Alexander H Macfarlane

US Patent:

20180208286, Jul 26, 2018

Filed:

Jan 24, 2018

Appl. No.:

15/879071

Inventors:

Alexander T. MacFarlane - Cambridge MA, US

International Classification:

B63H 5/07
B63B 35/79
B63H 21/22
B63B 35/85

Abstract:

A motorized fin booster system for surfboard or paddleboard or recreational small craft, consisting of at least one detachable motorized fin and at least one external, contour conforming and waterproof power supply are disclosed. The disclosed system allows for the addition and removal of electrically powered boost to nearly any board without permanent alteration of the board. The system integrates with widely used surfboard components; such as surf fins, leashes, ankle cuffs, and traction pads.