One day I wanted to build an inflatable sailboat but I had no money, so I tried a cheap solution, I used PVC pipe.
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Step 1: Materials
An inflatable boat, I used a Intex Seahawk 300 inflatable boat bad either will work, just adjust the measurements and fittings.
Frame and rudder
3m PVC pipe 40mm Brown
6m PVC pipe 32mm Brown
2 elbows 40mm
1 T 40mm
2 T 40mm/32mm
2 elbows 32mm
2 connections threadable 32mm
4-bladed paddle plastic
2.5 m aluminum tube of 1 3 / 4 "
2 x 3m aluminum tube of 3 / 4 "
6.5 m ripstop nylon 250 or a 3 x 4m polytarp
sewing nylon line
A ring of 1 1 / 2 "internal diameter (metal, wood or reinforced plastic)
4 stainless steel clamps 3 / 4 "
10m of 6mm rope