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Futura SpeedTubes need Help
Ive been dealing with my speedtubes leaking? blowing out regularly. New leaks move around- so bad patching is not the problem. Perhaps my over HP is part of the problem but Ill blame it on design/ thinner fabric. its the PVC releasing from the fabric. I'm told the speed tubes fail on most all the futuras. It's the last two inches at the transom.
So Im thinking of one of two options. Make two foam replicants and shove them in the sleeves/pockets that are attached to the hull like the inflatable speed tubes do.
Or fill the speed tubes with flexible foam.
I know all the problems with both of these versions but I have to do something. Im told to order new speed tubes takes 4 months. I do have one new speed tube that was a warranty replacement I never needed to use. I figure I can get enough for it on ebay to someone desperate. It will pay for my replacements.
So the questions I have.
1- Does anyone know of an expanding foam that is flexible but firm like a body board foam? (Boogie Board)
This solution will require a two part fiberglass mold to keep the pvc speed tube from over expanding and tearing open while foam is expanding. That I can make.
2- Im looking at sheet foam from the family of foam types again like Boogie boards to laminate together with glue. Sheets come 2" thick. But I can't seem to get info on what glue is right. Lots of bad info on youtube, but I want the inside a bodyboard factory kind of Intel.
3- Anyone know about boxing and martial arts helmets foam and the plastic dip they use to skin them? This would work very well. I have a source for the foam. I think it's the same stuff used in "life vest belts" from the 50's for water skiing.
Any info will help. thx
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