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Non-Gun DIY Projects and Customizations This section is for your DIY spearfishing projects and customization other then spearguns.

 
 
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Old 01-04-2017, 12:14 AM   #1
lagfish
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Join Date: Aug 2016
Posts: 45
Travel Float / Bag Stiffener Build

With an upcoming trip to Bali in mind, I wanted to have a hard float with enough volume for landing some bigger fish while also having a compartment that I can put my stuff in for shore dives. I also wanted to get a long bag with wheels as it was a pain in the butt carrying 40 lbs of gear in a long duffel bag. I bought a 166cm long snowboard bag with wheels from Burton on sale for $110 but it doesn't have any backbone - fine for carrying a snowboard but not good for spearguns and carbon fins.

Here is the bag I bought:


Closed:


So the idea was to make a travel float that can be configured to act as a backbone for the snowboard bag and collapsed and reconfigured to make a hard float. The bag is 5"-8" tall, which is big enough to put all the other gear that I have and I only need to check one bag which saves money and is convenient.

The total displaced volume for the float is 19L. With an estimated finished weight of 10lbs, it will provide 30 lbs of lift once completely submerged .

Here is the concept drawing for the float:
In bag configuration:


In float configuration:


The two pieces will be connected via bolts.
Other features:
-Bungee web over compartment
-Drain hole on compartment
-Removable large diving flag
-Removable Backpack strap on bottom

Last edited by lagfish; 01-04-2017 at 12:36 AM.
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