I have a Shamrock20 ('84). I came with a 71C Velvet drive attached to a Ford 302. Motors completely rebuilt (now) and I've turned my attention...
This is a personal try in hull and boat design, made with Blender 3D. The start project can be downloaded here....
Mk1 pivotal Drive a go anywhere propulsion great for shallows or open seas. Any HP any size boat. Lift drive from helm or let it look after...
A component that could be used for a Cam.A.Propulsion Pivotal Drive retractable shaft drive for power boats.
If you want to go to all of the interesting places you need a boat and propulsion drive that is adaptable for all conditions.
With a Pivotal Drive the drive is up on the trailer and automatically lowers as the boat is launched just start the motor and sail away and the...
surface drive parts
Surface drive parts ready for welding
A Hal Kelly design being modifided to run a motorcycle engine with surface drive
A Hal Kelly design with a mock-up of a home built surface drive
Simple rope steering works always. Two drives can be steered via a cross bar. No hydraulics in the water. If you need hydraulics, mount them on...
Quad engine 55 foot endurance race RIB, designed for 100 knots running on biofuel. For more information see www.linleyswangp.com or...