Homemade Clamps From Plastic Pipe

You can never have enough clamps, especially when building a boat.
Here's Platt Monfort's method of making your own from plastic pipe.

Any plastic pipe will work. This is black ABS. Polypro would be nice. Never use PVC for anything. Get the size and thickness of pipe to match your clamping needs. Cut the rings wide enough to give you the clamping force you need and so you can spread the clamp with your hands.

Use whatever kind of saw you like.

Link all your springy clamps together and go around wailing "I forged it link... By... Link...."

To use it, just spread the jaws and clamp it onto your workpiece. To get more force, wrap some rubberbands around it. That's a bright idea from Numberandom

You'll never run out of clamps again! Even a cockpit coaming is easy. That's a "Pax 20" kayak kit from CLC boats.

You'd never guess what would come from under that forest of clamps.
A few hours after gluing, the clamps come off, and after a little sanding and a coat of epoxy,
here's the finished cockpit ring. Oohh! Ahhh!