A tourist version on Lake Wakatipu, Queenstown NZ.
Speed and direction control is achieved by a rotating switching drum. It has three speeds both ways, heater element wire providing the two resistors.
The four buffers are knitted
by myself from string and stuffed with old panty hose.
Having only one wheel driving is at times a problem, especially when leaving the water, but generally its performance is adequate. It generates interesting
reactions from young children when entering the water and floating away.