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Human Powered Boats (HPB) - pedal power

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COLA GONDOLA-
This boat was assembled from 3 liter PET bottles. When done and pressurized to 5 PSI it weighed in at 14 lbs. Pressurization was required to provide the necessary rigidity to the pontoons. It was interesting, but difficult to turn. Air leaks remained a continual problem. It is assembled using the same technology described on the network for producing large water rockets. Building several huge water rockets provided the idea for this boat. Complete construction details can be found here- Complete construction details.
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PEDAL POWERED 1938 KAYAK-
This boat was quickly assembled from my grandfather's old kayak. It has a Hobie pedal mechanism installed. This 16 foot kayak will move along at almost 5 MPH. Quite efficient and comfortable, but in spite of repetitive attempts to make it lighter it still weighs in at about 65 lbs.
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BIC WHEEL-
This is an old Bic windsurfer with the pedal mechanism from an adult tricycle installed upside down on the deck. The paddles were manufactured from Luann subflooring plywood with several coats of varnish. It is extremely comfortable, but very low to the water, so occasionally it splashes the operator, particularly when going upwind. On an 80 degree day it is my boat of choice. It makes a pleasant plop-plop sound that is reminiscent of a fine jitterbug fishing lure. If there were great white sharks on our lake it would be history in an instant! Construction details can be found here- Construction details.
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