{"id":5038,"date":"2025-01-08T12:52:07","date_gmt":"2025-01-08T04:52:07","guid":{"rendered":"http:\/\/scubatechphilippines.com\/scuba_blog\/?p=5038"},"modified":"2025-01-08T12:52:07","modified_gmt":"2025-01-08T04:52:07","slug":"sidemount-diving-schools-history-heritage","status":"publish","type":"post","link":"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/","title":{"rendered":"What are the two styles of sidemount BCD design?"},"content":{"rendered":"\n<h1 class=\"wp-block-heading has-text-align-center\">What are the two styles of sidemount  BCD design?<\/h1>\n\n\n\n<p class=\"has-text-align-center has-medium-font-size\"><strong>Florida &amp; Mexican-cave <a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/which-sidemount-bcd-to-choose\/\">sidemount BCD<\/a> design principles<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p>Over recent years, a plethora of new sidemount BCDs have been released onto the diving equipment market. To the casual observer, the range appears wildly diverse. However, there are actually two primary &#8216;schools&#8217; of sidemount design heritage. These schools were shaped and refined by the environmental conditions and needs of the first pioneers of <a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-techniques\/\">sidemount diving<\/a>. <\/p>\n\n\n\n<p>The origins of sidemount diving come from sump exploration in the UK. Most of this exploration was dry caving, with only small submerged passages (sumps) that required scuba equipment. The UK sump divers typically carried small scuba cylinders, containing only sufficient volume for very short passages, often hung from the waist of their existing cave harnesses.<\/p>\n\n\n\n<p>The sidemount diving concept migrated to the cave diving communities in Florida and Mexico. These communities developed into<a href=\"https:\/\/gue.com\/blog\/the-evolution-of-sidemount-design-two-distinct-paths-shaped-by-florida-and-mexico\/\" target=\"_blank\" rel=\"noreferrer noopener\"> two distinct schools of sidemount system design<\/a>; based on their buoyancy requirements, cylinder characteristics (steel versus aluminum) and regional diving preferences.<\/p>\n\n\n\n<p>These two &#8216;schools of design&#8217;, <strong>Mexican-cave <\/strong>and <strong>Florida-cave<\/strong>, are very evident in sidemount BCD manufacturing today.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>When selecting a suitable sidemount BCD to purchase, you should bear in mind the history, design evolution and intended use of sidemount BCD designs. <\/p>\n\n\n\n<p>They can be quite specific for cold or warm water demands; especially in regard to cylinder material and buoyancy requirements.<\/p>\n\n\n\n<p class=\"has-text-align-center\"><\/p><p class=\"has-text-align-center\"><\/p><p class=\"has-text-align-center\"><\/p><p class=\"has-text-align-center\"><\/p><p class=\"has-text-align-center\"><\/p><p class=\"has-text-align-center\"><\/p><p class=\"has-text-align-center\"><\/p><p class=\"has-text-align-center\"><\/p><p style=\"text-align: center;\">Click here to read more about <a title=\"Sidemount Diving History\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-techniques\/#3_A_brief_history_of_Sidemount_Diving_Development\" target=\"_blank\" rel=\"noopener\">Sidemount Diving History<\/a><\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"300\" height=\"225\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sidemount-diving-history-1024x768-300x225.jpg\" alt=\"\" class=\"wp-image-5732\" title=\"sidemount-diving-history-1024x768\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sidemount-diving-history-1024x768-300x225.jpg 300w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sidemount-diving-history-1024x768.jpg 1024w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption class=\"wp-element-caption\">An early UK sump diving rig; the predecessor of modern sidemount.<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_80 ez-toc-wrap-center counter-hierarchy ez-toc-counter ez-toc-transparent ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title ez-toc-toggle\" style=\"cursor:pointer\">Article Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"Toggle Table of Content\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 eztoc-toggle-hide-by-default' ><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#What-is-a-Mexican-cave-sidemount-BCD-design\" >What is a Mexican-cave sidemount BCD design?<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#Mexican-cave-sidemount-BCD-key-features\" >Mexican-cave sidemount BCD key features<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#Mexican-cave-sidemount-BCD-pros-and-cons\" >Mexican-cave sidemount BCD pros and cons<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#Buy-my-%E2%80%98Sidemount-Principles-For-Success-ebook-now\" >Buy my &#8216;Sidemount Principles For Success&#8217; ebook now!<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-5\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#The-Florida-cave-sidemount-BCD-design\" >The Florida-cave sidemount BCD design<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-6\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#Florida-cave-sidemount-BCD-features\" >Florida-cave sidemount BCD features<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-7\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#Florida-cave-sidemount-BCD-pros-and-cons\" >Florida-cave sidemount BCD pros and cons<\/a><\/li><\/ul><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-8\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#Confused-sidemount-BCD-designs\" >Confused sidemount BCD designs<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-9\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#Buy-my-%E2%80%98Sidemount-Principles-For-Success-ebook-now-2\" >Buy my &#8216;Sidemount Principles For Success&#8217; ebook now!<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-2'><a class=\"ez-toc-link ez-toc-heading-10\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#About-The-Author\" >About The Author<\/a><ul class='ez-toc-list-level-3' ><li class='ez-toc-heading-level-3'><a class=\"ez-toc-link ez-toc-heading-11\" href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/sidemount-diving-schools-history-heritage\/#Purchase-my-exclusive-diving-ebooks\" >Purchase my exclusive diving ebooks!<\/a><\/li><\/ul><\/li><\/ul><\/nav><\/div>\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"What-is-a-Mexican-cave-sidemount-BCD-design\"><\/span>What is a Mexican-cave sidemount BCD design?<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>The Mexican style of sidemount system design is typically a minimalist and lightweight approach. It is generally used with aluminum cylinders which are ubiquitous in warm-water\/tropical environments. Mexican cave sidemount BCDs are most popular with warm-water\/wetsuit and traveling divers who visit tropical destinations.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mexican-cave-sidemount-BCD-key-features\"><\/span>Mexican-cave sidemount BCD key features<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Harness:<\/strong> \u00a0A &#8216;Hogarthian&#8217; inspired, bare webbing harness, using separate shoulder and lumbar plates connected via an adjustable length spine webbing strap.\u00a0 The adjustable spine length is necessary as the waist belt must be positioned low on the hips, to enable a suitable cylinder attachment point for aluminum <a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/ultimate-guide-sidemount-cylinder-trim\/\">cylinder trim<\/a>.<\/p>\n\n\n\n<p><strong>Lower cylinder attachment:<\/strong> D-rings on the rear and front waist-belt (or sliding D-rings) are necessary to shift the attachment point of aluminum cylinders as they transition from negative to positive buoyancy.<\/p>\n\n\n\n<p><strong>Upper cylinder attachment:&nbsp;<\/strong>Continuous, Loop, Sliding\/Floating Loop or Independent bungees.<\/p>\n\n\n\n<p><strong>Wing shape:<\/strong> Triangle, diamond, or rectangular\/horizontal bladders (lift focused over the hips, less up the torso)<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"556\" height=\"522\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2019\/08\/Meixcan-style-BCD-design.jpg\" alt=\"Sidemount BCD Mexican cave style design\" class=\"wp-image-16235\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2019\/08\/Meixcan-style-BCD-design.jpg 556w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2019\/08\/Meixcan-style-BCD-design-300x282.jpg 300w\" sizes=\"(max-width: 556px) 100vw, 556px\" \/><\/figure>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\">\n<p><strong>Example rigs:<\/strong>&nbsp;Razor 2.0, XDeep Stealth Tec\/Rec\/Classic, Apeks WSX-25\/45, UTD Z-Trim, Aquamundo.<\/p>\n\n\n\n<p><strong>Influential Proponents: <\/strong>Steve Bogearts, HP Hartmann, Steve Martin, Gary Dallas<\/p>\n\n\n\n<p>This is the evolution of sidemount pioneers who initially used lightweight hydration bladders (i.e. MSR) and converted truck or car inner tubes for their buoyancy requirements. These bladders were fixed onto a basic harness system for cylinder and weight attachment.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:20%\">\n<iframe style=\"width: 120px; height: 240px;\" src=\"\/\/ws-na.amazon-adsystem.com\/widgets\/q?ServiceVersion=20070822&amp;OneJS=1&amp;Operation=GetAdHtml&amp;MarketPlace=US&amp;source=ss&amp;ref=as_ss_li_til&amp;ad_type=product_link&amp;tracking_id=scubtechphil-20&amp;language=en_US&amp;marketplace=amazon&amp;region=US&amp;placement=B08SJM4LS8&amp;asins=B08SJM4LS8&amp;linkId=6ec563dab93c3e24af116ab4a8d999c3&amp;show_border=false&amp;link_opens_in_new_window=true\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-popups allow-scripts allow-modals allow-forms allow-same-origin\"><\/iframe>\n<\/div>\n<\/div>\n\n\n\n<p>Mexican Cave\/English style is defined through the common use of aluminum cylinders and thinner <a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/choosing-diving-suits\/\">wetsuits<\/a> for warmer\/tropical water diving. \u00a0This diving required less buoyancy and weighting requirement. It favored smaller, lighter rigs that could be used to penetrate through very small restrictions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Mexican-cave-sidemount-BCD-pros-and-cons\"><\/span>Mexican-cave sidemount BCD pros and cons<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p><strong>Pros<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>These systems are usually the most lightweight and low bulk.<\/li>\n\n\n\n<li>They are designed to handle aluminum cylinders well.<\/li>\n\n\n\n<li>Minimalist design suits &#8216;DIR&#8217; philosophy divers.<\/li>\n\n\n\n<li>Very modular and easy to modify or customize.<\/li>\n<\/ul>\n\n\n\n<p><strong>Cons<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Typically less buoyancy provision<\/li>\n\n\n\n<li>The tendency for the wing to &#8216;beach ball&#8217; (aka &#8216;turtle shell&#8217;) when fully inflated if carrying multiple cylinders)<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"450\" height=\"600\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/homemade-sidemount-bcd-tyre.jpg\" alt=\"Improvised sidemount BCD \" class=\"wp-image-5728\" title=\"homemade-sidemount-bcd-tyre\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/homemade-sidemount-bcd-tyre.jpg 450w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/homemade-sidemount-bcd-tyre-225x300.jpg 225w\" sizes=\"(max-width: 450px) 100vw, 450px\" \/><figcaption class=\"wp-element-caption\">The evolution of lightweight improvised sidemount rigs<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"640\" height=\"480\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/1604670_753775007967909_1067233921_n.jpg\" alt=\"Aquamundo | British \/ Mexico Cave School heritage sidemount BCD\" class=\"wp-image-5045\" title=\"Aquamundo | British \/ Mexico Cave School heritage sidemount BCD\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/1604670_753775007967909_1067233921_n.jpg 640w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/1604670_753775007967909_1067233921_n-300x225.jpg 300w\" sizes=\"(max-width: 640px) 100vw, 640px\" \/><figcaption class=\"wp-element-caption\">Aquamundo BCD &#8211; a modern example of the Mexican-cave sidemount school heritage<\/figcaption><\/figure>\n\n\n\n<p>Mexican cave-style BCDs historically struggled to supply a large buoyancy capacity without the bladder expanding too high (aka &#8216;turtle-shell&#8217; or &#8216;beach ball&#8217; effect) above the diver. &nbsp;More recent evolutions, such as the XDeep Stealth Tec, are now solving that problem through better design of the bladder to prevent or minimize the &#8216;beach ball&#8217; effect at full inflation. As a result, they are growing rapidly in popularity in the USA and Europe.<\/p>\n\n\n\n<div class=\"scuba-b4-h2-2\" style=\"margin-top: 10px;margin-bottom: 10px;\" id=\"scuba-1093772224\"><div class=\"scuba-adlabel\">Sponsored Link<\/div><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-9354033900485448\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-9354033900485448\" \ndata-ad-slot=\"2393012471\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"false\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><h2 class=\"wp-block-heading has-text-align-center\"><span class=\"ez-toc-section\" id=\"Buy-my-%E2%80%98Sidemount-Principles-For-Success-ebook-now\"><\/span>Buy my &#8216;Sidemount: Principles For Success&#8217; ebook now!<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-media-text alignwide is-vertically-aligned-top\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.buymeacoffee.com\/andydavistech\/e\/111242\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"794\" height=\"1247\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE.jpg\" alt=\"Sidemount: Principles For Success eBook\" class=\"wp-image-19341 size-full\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE.jpg 794w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE-191x300.jpg 191w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE-652x1024.jpg 652w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE-768x1206.jpg 768w\" sizes=\"(max-width: 794px) 100vw, 794px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-text-align-center has-pale-cyan-blue-background-color has-background\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><strong>My comprehensive guide to sidemount configuration and development as a diver.<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><strong>178 Pages. PDF format.<\/strong> <strong>Only $25<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><strong>Fully Illustrated!<\/strong><\/p>\n\n\n\n<p style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><strong>Chapters include:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/history-of-sidemount-diving\/\">Sidemount history<\/a>, design styles, and cylinder principles<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Harness and <a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/set-up-sidemount-loop-bungee\/\">bungee setup<\/a> and sizing<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Configuring deco\/stage cylinders<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Diagnosing cylinder trim problems<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Regulators and hardware<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Training and skillset development<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-palette-color-2-background-color has-background has-link-color has-medium-font-size wp-elements-2fdbe6e19180faefa5ef63024a636495\"><strong><a href=\"https:\/\/www.buymeacoffee.com\/andydavistech\/e\/111242\" target=\"_blank\" rel=\"noreferrer noopener\">Purchase eBook here!<\/a><\/strong><\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"The-Florida-cave-sidemount-BCD-design\"><\/span>The Florida-cave sidemount BCD design<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p class=\"has-text-align-left\"><\/p><p>The Florida cave style of sidemount BCD is typified by robust &#8216;big rigs&#8217;; generally used with higher capacity steel cylinders. They are popular with cold\/temperate-water sidemount divers in the USA and, less so, across Europe. <\/p>\n\n\n\n<p class=\"has-text-align-left\"><\/p><p>As they perform badly with aluminum cylinders, they are more rarely utilized in SE Asia, Central America, the Caribbean or Middle-East regions.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Florida-cave-sidemount-BCD-features\"><\/span>Florida-cave sidemount BCD features<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<p><strong>Harness:<\/strong> &nbsp;Typically an in-built harness to the sidemount BCD, with a hard or soft backplate, along with quick-release buckles and adjustments. No capacity to adjust the length of the harness &#8211; you can only lengthen the shoulder straps and let the backplate &#8216;hang&#8217; lower if you want the wing further down the back.<\/p>\n\n\n\n<p><strong>Lower cylinder attachment:\u00a0<\/strong>Butt-plate with rails, which is suitable for steel cylinders that will remain negatively buoyant for the duration of the dive. Not ideal for aluminum cylinders that should need re-positioning. A common, but ungainly, solution for aluminum cylinders on butt plates is to add weights to aluminum cylinders to overcome the positive buoyancy as gas is consumed.<\/p>\n\n\n\n<p><strong>Upper cylinder attachment: <\/strong>&#8216;Old-school&#8217; Loop, Independent w\/Bolt-Snaps and Ring (DiveRite style) bungees.<\/p>\n\n\n\n<p><strong>Wing shape: <\/strong>Donut and horseshoe bladders (lift distributed evenly along the torso), sometimes with wing bungee restraints.<\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter\"><img decoding=\"async\" width=\"556\" height=\"522\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2019\/08\/Florida-style-BCD-design.jpg\" alt=\"Sidemount BCD Florida cave style design\" class=\"wp-image-16236\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2019\/08\/Florida-style-BCD-design.jpg 556w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2019\/08\/Florida-style-BCD-design-300x282.jpg 300w\" sizes=\"(max-width: 556px) 100vw, 556px\" \/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Florida-cave-sidemount-BCD-pros-and-cons\"><\/span>Florida-cave sidemount BCD pros and cons<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:20%\">\n<iframe style=\"width: 120px; height: 240px;\" src=\"\/\/ws-na.amazon-adsystem.com\/widgets\/q?ServiceVersion=20070822&amp;OneJS=1&amp;Operation=GetAdHtml&amp;MarketPlace=US&amp;source=ss&amp;ref=as_ss_li_til&amp;ad_type=product_link&amp;tracking_id=scubtechphil-20&amp;language=en_US&amp;marketplace=amazon&amp;region=US&amp;placement=B00JG5YY3O&amp;asins=B00JG5YY3O&amp;linkId=b86eef584d23b2613ec014b493b86a03&amp;show_border=false&amp;link_opens_in_new_window=true\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" sandbox=\"allow-popups allow-scripts allow-modals allow-forms allow-same-origin\"><\/iframe>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:80%\">\n<p><strong>Pros<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Can deal with heavy steel cylinders<\/li>\n\n\n\n<li>The harness system is familiar to divers<\/li>\n<\/ul>\n\n\n\n<p><strong>Cons<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Dreadful for aluminum cylinders<\/li>\n\n\n\n<li>Bulkier and heavier<\/li>\n<\/ul>\n<\/div>\n<\/div>\n\n\n\n<p><strong>Example rigs:&nbsp;<\/strong>Armadillo, DiveRite Nomad, Hollis SMS100, SMS75, Halcyon Contour<\/p>\n\n\n\n<p><strong>Influential Proponents:<\/strong> Lamar&nbsp;Hires, Edd Sorensen, Rob Neto, Steve Lewis<\/p>\n\n\n\n<p>This is the evolution from sidemount pioneers who initially used home-converted scuba BCDs\/wing systems, typically in response to a higher buoyancy requirement from using steel cylinders\/higher weighting needed for temperate\/colder water exposure protection and thicker wetsuits.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"800\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sidemount-early-bcd-history-homemade.jpg\" alt=\"sidemount bcd\" class=\"wp-image-5729\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sidemount-early-bcd-history-homemade.jpg 600w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sidemount-early-bcd-history-homemade-225x300.jpg 225w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><figcaption class=\"wp-element-caption\">An early Florida-style sidemount conversion of a regular BCD<\/figcaption><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"612\" height=\"816\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sms100-sidemount-modified.jpg\" alt=\"sms100 sidemount modified american Florida cave school\" class=\"wp-image-5047\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sms100-sidemount-modified.jpg 612w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2016\/02\/sms100-sidemount-modified-225x300.jpg 225w\" sizes=\"(max-width: 612px) 100vw, 612px\" \/><figcaption class=\"wp-element-caption\">The Hollis SMS100 &#8211; a modern example of the American \/ Florida Cave school sidemount heritage<\/figcaption><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>The history and heritage of these two distinct schools do not preclude one style from being used effectively under different diving conditions. <\/p>\n\n\n\n<p>Indeed, one of the leading &#8216;British \/ Mexico Cave&#8217; style sidemount BCD manufacturers, XDeep, originates in Poland and their systems are regularly used for cold-water cave and mine diving. \u00a0Likewise, &#8216;American \/ Florida Cave&#8217; based sidemount BCD manufacturers, such as Hollis and DiveRite are also very popular in tropical vacation destinations.<\/p>\n\n\n\n<p>However, there is some debate that each sidemount BCD design does offer some distinct optimization, according to the environments where it originated. &nbsp;If a school of sidemount BCD design originated through the demands and needs of a particular environment, then it stands to reason that it will be the most optimal choice to be used in that environment.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"Confused-sidemount-BCD-designs\"><\/span>Confused sidemount BCD designs<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<p>Last, but not least, there is the <strong><em>Confused Design<\/em><\/strong> of the sidemount BCD design. These are sidemount BCDs that stem from one design heritage but are impotently &#8216;tweaked&#8217; to resemble the other. In essence, they are sidemount BCDs designed by manufacturers that do not understand the heritage of either school and produce something that had no coherent design strategy.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:66.66%\">\n<p>An example of this is the Hollis SMS50; which is a tropical (aluminum cylinder) capacity BCD, but which confusingly incorporates a butt-plate and rails attachment system that&#8217;s only suitable for steel cylinders<\/p>\n\n\n\n<p>It also comes supplied with over-powerful bungees that are only meant to bear the weight of high-capacity steel cylinders. Total over-kill for aluminum cylinders.<\/p>\n\n\n\n<p>Needless to say, warm-water divers using &#8216;<em>confused design<\/em>&#8216; rigs will encounter a myriad of frustrating problems when trying to get their system optimized and keeping their cylinders <a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/scuba-diving-techniques-hover\/\">in trim<\/a> throughout the dive.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:33.33%\">\n<figure class=\"wp-block-image aligncenter size-full\"><img decoding=\"async\" width=\"600\" height=\"800\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2022\/12\/hollis-sms50-edited.jpg\" alt=\"hollis sms50\" class=\"wp-image-18387\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2022\/12\/hollis-sms50-edited.jpg 600w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2022\/12\/hollis-sms50-edited-225x300.jpg 225w\" sizes=\"(max-width: 600px) 100vw, 600px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p class=\"has-confident-cloud-gradient-background has-background\"><strong>Read my article &#8216;<a href=\"https:\/\/gue.com\/blog\/the-evolution-of-sidemount-design-two-distinct-paths-shaped-by-florida-and-mexico\/\" target=\"_blank\" rel=\"noreferrer noopener\">The Evolution of Sidemount Design: Two Distinct Paths Shaped by Florida and Mexico<\/a>&#8216; published by InDepth Magazine.<\/strong><\/p>\n\n\n\n<div class=\"scuba-b4-h2-3\" style=\"margin-top: 10px;margin-bottom: 10px;\" id=\"scuba-3778987882\"><div class=\"scuba-adlabel\">Sponsored Link<\/div><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js?client=ca-pub-9354033900485448\" crossorigin=\"anonymous\"><\/script><ins class=\"adsbygoogle\" style=\"display:block;\" data-ad-client=\"ca-pub-9354033900485448\" \ndata-ad-slot=\"6151212517\" \ndata-ad-format=\"auto\" data-full-width-responsive=\"false\"><\/ins>\n<script> \n(adsbygoogle = window.adsbygoogle || []).push({}); \n<\/script>\n<\/div><h2 class=\"wp-block-heading has-text-align-center\"><span class=\"ez-toc-section\" id=\"Buy-my-%E2%80%98Sidemount-Principles-For-Success-ebook-now-2\"><\/span>Buy my &#8216;Sidemount: Principles For Success&#8217; ebook now!<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<div class=\"wp-block-media-text alignwide is-vertically-aligned-top\"><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/www.buymeacoffee.com\/andydavistech\/e\/111242\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"794\" height=\"1247\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE.jpg\" alt=\"Sidemount: Principles For Success eBook\" class=\"wp-image-19341 size-full\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE.jpg 794w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE-191x300.jpg 191w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE-652x1024.jpg 652w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2023\/01\/COVER-IMAGE-768x1206.jpg 768w\" sizes=\"(max-width: 794px) 100vw, 794px\" \/><\/a><\/figure><div class=\"wp-block-media-text__content\">\n<p class=\"has-text-align-center has-pale-cyan-blue-background-color has-background\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><strong>My comprehensive guide to sidemount configuration and development as a diver.<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><strong>178 Pages. PDF format.<\/strong> <strong>Only $25<\/strong><\/p>\n\n\n\n<p class=\"has-text-align-center\" style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><strong>Fully Illustrated!<\/strong><\/p>\n\n\n\n<p style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\"><strong>Chapters include:<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Sidemount history, design styles, and cylinder principles<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Harness and bungee setup and sizing<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Configuring deco\/stage cylinders<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Diagnosing cylinder trim problems<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Regulators and hardware<\/li>\n\n\n\n<li style=\"font-size:clamp(14px, 0.875rem + ((1vw - 3.2px) * 0.156), 16px);\">Training and skillset development<\/li>\n<\/ul>\n\n\n\n<p class=\"has-text-align-center has-palette-color-2-background-color has-background has-link-color has-medium-font-size wp-elements-2fdbe6e19180faefa5ef63024a636495\"><strong><a href=\"https:\/\/www.buymeacoffee.com\/andydavistech\/e\/111242\" target=\"_blank\" rel=\"noreferrer noopener\">Purchase eBook here!<\/a><\/strong><\/p>\n<\/div><\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n\n\n\n<div class=\"wp-block-columns alignwide is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-content-justification-center is-layout-constrained wp-block-column-is-layout-constrained\" style=\"flex-basis:25%\">\n<p><\/p>\n\n\n\n<figure class=\"wp-block-image aligncenter size-medium is-resized is-style-default\"><a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/andy-davis-technical-diving\/\"><img decoding=\"async\" width=\"300\" height=\"296\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2018\/03\/Cartoon-Andy-900x900-1-300x296.png\" alt=\"Andy Davis Technical Sidemount Wreck Diving Subic Bay Philippines RAID Courses Training\" class=\"wp-image-6812\" style=\"width:225px;height:222px\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2018\/03\/Cartoon-Andy-900x900-1-300x296.png 300w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2018\/03\/Cartoon-Andy-900x900-1-1024x1009.png 1024w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2018\/03\/Cartoon-Andy-900x900-1-768x757.png 768w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2018\/03\/Cartoon-Andy-900x900-1.png 1280w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-constrained wp-block-column-is-layout-constrained\" style=\"flex-basis:75%\">\n<h2 class=\"wp-block-heading has-text-align-center\"><span class=\"ez-toc-section\" id=\"About-The-Author\"><\/span>About The Author<span class=\"ez-toc-section-end\"><\/span><\/h2>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full\"><a href=\"https:\/\/buymeacoffee.com\/andydavistech\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"274\" height=\"77\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2022\/12\/bmc-button-1-1.png\" alt=\"\" class=\"wp-image-27046\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2022\/12\/bmc-button-1-1.png 274w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2022\/12\/bmc-button-1-1-250x70.png 250w\" sizes=\"(max-width: 274px) 100vw, 274px\" \/><\/a><\/figure>\n\n\n\n<p><a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/andy-davis-technical-diving\/\">Andy Davis<\/a> is a <a href=\"https:\/\/scubatechphilippines.com\/raid-diving-courses-philippines\/raid\/\">RAID<\/a>, PADI TecRec, ANDI, BSAC, and SSI-qualified independent <a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/what-is-technical-diving\/\">technical diving<\/a> instructor who specializes in teaching <a href=\"https:\/\/scubatechphilippines.com\/sidemount-courses\/\">sidemount<\/a>, <a href=\"https:\/\/scubatechphilippines.com\/technical-diving-courses\/\">trimix<\/a>, and <a href=\"https:\/\/scubatechphilippines.com\/technical-diving-courses\/\">advanced wreck<\/a> diving courses.<\/p>\n<\/div>\n<\/div>\n\n\n\n<p>Currently residing in <a href=\"https:\/\/scubatechphilippines.com\/scuba_blog\/subic-bay-wreck-diving-sites\/\">Subic Bay, Philippines<\/a>; he has amassed more than 10,000 open-circuit and CCR dives over three decades of challenging diving across the globe.<\/p>\n\n\n\n<p>Andy has published numerous diving magazine articles and designed advanced certification courses for several dive training agencies, He regularly tests and reviews new dive gear for scuba equipment manufacturers. Andy is currently writing a series of <a href=\"https:\/\/www.buymeacoffee.com\/andydavistech\/extras\">advanced diving books <\/a>and creating a range of <a href=\"https:\/\/www.redbubble.com\/people\/andydavistech\/shop\">tech diving clothing and accessories<\/a>.<\/p>\n\n\n\n<p>Prior to becoming a professional technical diving educator in 2006, Andy was a commissioned officer in the Royal Air Force and has served in Iraq, Afghanistan, Belize, and Cyprus.<\/p>\n\n\n\n<p>In 2023, Andy was named in the &#8220;<a rel=\"noreferrer noopener\" href=\"https:\/\/gue.com\/blog\/sidemount-andy-davies\/\" target=\"_blank\">Who&#8217;s Who of Sidemount<\/a>&#8221; list by GUE InDepth Magazine.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-text-align-center has-palette-color-7-color has-vivid-red-background-color has-text-color has-background has-link-color wp-elements-dd81a6de961563c5bf17302e4376cbd2\"><span class=\"ez-toc-section\" id=\"Purchase-my-exclusive-diving-ebooks\"><\/span>Purchase my exclusive diving ebooks!<span class=\"ez-toc-section-end\"><\/span><\/h3>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/buymeacoffee.com\/andydavistech\/e\/233191\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"652\" height=\"1024\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/03\/Gas-Management-Book-Cover-Image-652x1024.jpg\" alt=\"Gas Management For Scuba Divers Book\" class=\"wp-image-26264\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/03\/Gas-Management-Book-Cover-Image-652x1024.jpg 652w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/03\/Gas-Management-Book-Cover-Image-191x300.jpg 191w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/03\/Gas-Management-Book-Cover-Image-768x1206.jpg 768w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/03\/Gas-Management-Book-Cover-Image-96x150.jpg 96w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/03\/Gas-Management-Book-Cover-Image.jpg 794w\" sizes=\"(max-width: 652px) 100vw, 652px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/buymeacoffee.com\/andydavistech\/e\/233171\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"652\" height=\"1024\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/Shearwater-Gradient-Factors-ebook-652x1024.jpg\" alt=\"Become A Shearwater Power User Book\" class=\"wp-image-26382\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/Shearwater-Gradient-Factors-ebook-652x1024.jpg 652w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/Shearwater-Gradient-Factors-ebook-191x300.jpg 191w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/Shearwater-Gradient-Factors-ebook-768x1206.jpg 768w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/Shearwater-Gradient-Factors-ebook-978x1536.jpg 978w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/Shearwater-Gradient-Factors-ebook-95x150.jpg 95w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/Shearwater-Gradient-Factors-ebook.jpg 1200w\" sizes=\"(max-width: 652px) 100vw, 652px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/buymeacoffee.com\/andydavistech\/e\/111242\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"652\" height=\"1024\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/COVER-IMAGE-652x1024.jpg\" alt=\"\" class=\"wp-image-26656\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/COVER-IMAGE-652x1024.jpg 652w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/COVER-IMAGE-191x300.jpg 191w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/COVER-IMAGE-768x1206.jpg 768w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/COVER-IMAGE-96x150.jpg 96w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/COVER-IMAGE.jpg 794w\" sizes=\"(max-width: 652px) 100vw, 652px\" \/><\/a><\/figure>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile is-layout-flex wp-container-core-columns-is-layout-28f84493 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/buymeacoffee.com\/andydavistech\/e\/262907\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"652\" height=\"1024\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/07\/BPW-Book-Cover-Image-652x1024.jpg\" alt=\"A Comprehensive Guide to Backplate &amp; Wing BCDs\" class=\"wp-image-26808\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/07\/BPW-Book-Cover-Image-652x1024.jpg 652w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/07\/BPW-Book-Cover-Image-191x300.jpg 191w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/07\/BPW-Book-Cover-Image-768x1206.jpg 768w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/07\/BPW-Book-Cover-Image-96x150.jpg 96w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/07\/BPW-Book-Cover-Image.jpg 794w\" sizes=\"(max-width: 652px) 100vw, 652px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/buymeacoffee.com\/andydavistech\/e\/260377\" target=\"_blank\" rel=\"noreferrer noopener\"><img decoding=\"async\" width=\"652\" height=\"1024\" src=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/The-Path-To-Proficiency-Book-Cover-Image-652x1024.jpg\" alt=\"Diving Psychology The Path to Proficiency: Mental Strategies for Scuba Divers (eBook)\" class=\"wp-image-26633\" srcset=\"https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/The-Path-To-Proficiency-Book-Cover-Image-652x1024.jpg 652w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/The-Path-To-Proficiency-Book-Cover-Image-191x300.jpg 191w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/The-Path-To-Proficiency-Book-Cover-Image-768x1206.jpg 768w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/The-Path-To-Proficiency-Book-Cover-Image-96x150.jpg 96w, https:\/\/scubatechphilippines.com\/scuba_blog\/wp-content\/uploads\/2024\/05\/The-Path-To-Proficiency-Book-Cover-Image.jpg 794w\" sizes=\"(max-width: 652px) 100vw, 652px\" \/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity is-style-dots\"\/>\n<p id=\"rop\"><small>Originally posted 2018-11-05 06:10:28. <\/small><\/p>","protected":false},"excerpt":{"rendered":"<p>There are two styles of sidemount BCD: Mexican cave &#038; Florida cave. Understanding the differences allows the best choice for your needs.<\/p>\n","protected":false},"author":2,"featured_media":18377,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[518],"tags":[791,88,98,717,718,293,1019,631,629,882,1017,187,256],"class_list":["post-5038","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-sidemount-diving_articles","tag-cylinders-for-scuba-diving","tag-dive-equipment","tag-dive-gear-design","tag-dive-kit-setup","tag-english","tag-florida-diving","tag-mexican","tag-mexican-cave-style-sidemount-configuration","tag-scuba-diving-history","tag-side-mount","tag-sidemount-bcd","tag-sidemount-cave-diving","tag-sidemount-diving-advice"],"blocksy_meta":{"styles_descriptor":{"styles":{"desktop":"","tablet":"","mobile":""},"google_fonts":[],"version":6}},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>What are the two styles of sidemount BCD design? - Andy Davis Sidemount Technical Wreck Diving Blog<\/title>\n<meta name=\"description\" content=\"There are two styles of sidemount BCD: Mexican cave &amp; Florida cave. 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