Prop,54" 1 x 4 with knots 5 or 7 degree pitch at tip, motor oil finnish. Tape drive motor will run a portable tv.
Tail is sawn from a plastic barrel bottom. All tubing is from bicycle frames.

Furl pivot is a front fork and bearing.

Yaw is also a front fork.

Tail boom disconnects with a seat poast and clamp.

Different mill out for testing.

9 blade 12 footer leaning against shed.

Last pic, 17' kyak built from old garage siding. Library book plans by George putz, what a name!
Now to see if this up loads.