SpudFiles

I would use those metal adjustable bands to secure it. The kind that is used for securing rubber tubes and that kind of thing. Just drill into the plywood, and wrap those around the pipes.

EDIT: Or, in a pinch, you could just use zip-ties!

Hose clamps?I personally would use bolts with teflon and epoxy.

just build a sort of rack for them out of a 2x6 like this and them secure them with rope

coudnt I use thos things that you use to mount pipes onto walls?

they dont come in 4'' i dont think. even if they did, i wouldnt trust it on a raft.

then i could use the all-american fix it tool. DUCT TAPE! lol i could usea bunch of huge hose clamps.

instead of pressurizing the inside would it float better if you created a vacuum in it?

pat123 wrote:instead of pressurizing the inside would it float better if you created a vacuum in it?

someone already brought that up, but the answer is yes, it would float better.

Only marginally more than leaving it unpressurised.

Also introduces the issue of having a vacuum if you get a leak on water. It'll suck water into the piping and that'll be worse than leaving it unpressurised.

be better to put a few psi in them so if it dod leak you could tell with a gauge

I would fill it to maybe less than 5 psi and test the results on the water.

maybe fill them with that filler foam??? would that help?

MisterSteve124 wrote:wow no joke I seriously was just about to do this with my friend but 4" end caps are really expensive which is dumb. I think that 4-6 would be fine. Then just put a sheet of plywood on top of it and bolt it down.

3inch fittings fit inside 4inch pipe. Its harder to make it look nice, since I always have trouble cutting pipe straight. But, it's a little cheaper. ABS or cell core PVC would work fine for this also, so that cuts the cost a little.

Pressurizing won't increase boyancy. Something will float at long as it weighs less than the water it displaces. Pressurizing to tell if it leaks isn't too bad an idea though. Just a single hole and soapy water. Afterwards, put a plug in the hole with teflon tape.

u cud also get polystyrean(did i spell it right?) and put that underneath the raft, i no that works well bcoz my cousin did it!

pyrogeek wrote:

MisterSteve124 wrote:wow no joke I seriously was just about to do this with my friend but 4" end caps are really expensive which is dumb. I think that 4-6 would be fine. Then just put a sheet of plywood on top of it and bolt it down.

3inch fittings fit inside 4inch pipe. Its harder to make it look nice, since I always have trouble cutting pipe straight. But, it's a little cheaper. ABS or cell core PVC would work fine for this also, so that cuts the cost a little.

Pressurizing won't increase boyancy. Something will float at long as it weighs less than the water it displaces. Pressurizing to tell if it leaks isn't too bad an idea though. Just a single hole and soapy water. Afterwards, put a plug in the hole with teflon tape.

Cellcore ABS would be a lot better than PVC in any form for this project. It wouldn't just cut the cost, it would also cut the weight down dramatically.