[PSUBS-MAILIST] HDPE Sub hull…?

[Dean Cropp via Personal_Submersibles]

Hi everyone..

I an still toying with two designs of PSUB, one larger, steel and with an AUX diesel engine 3PAX…. But also with a smaller 2PAX more mobile system and have been looking into the possibility of using HDPE as a hull material for a small 100msw PSUB

http://www.vinidex.com.au/products/pe-pipe-systems/pe-pressure-pipe/

There is off the shelf (Sort of) 1000mm OD pipe here in Australia with a 60mm wall thickness but I have also come across a 1360mm-OD and 1650mm-OD pipe again with 60mm wall thickness that may be available. HDPE can be welded, drilled and tapped quite well and using fittings/penatrators made of delrin with o'ring seals has worked well on some camera housings I have made.

Has anyone looked further into this? is the wall thickness enough to just have bulkheads instead of stiffeners? no corrosion problems and it is super slippy in the water!

I have always looked at having HDPE battery pods, what not the whole sub?


Dean Cropp

~ Underwater DOP ~ Ocean Wrangler ~ 
		Sydney : Australia

p: 0416287833  (Int p: +61 416 287 833)
e: croppycam at bigpond.com
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