[Electric Boats] Columbia 9.6 Diesel Electric Hybrid

 

I have posted pictures of my 1976 Columbia 9.6 Diesel Electric Hybrid demo boat.

http://groups.yahoo.com/group/electricboats/photos/album/1469361680/pic/list

The project included the installation of a rebuilt Yanmar 2QM15 of the same vintage. The boat had not moved from it slip for over 3 years and required a complete update of the interior but had great running and standing gear.

The engine was mounted 6 inched forward with an extension of the shaft because the engine stringers were not in the right place for the motor. The initial sea trials performance of the system has been good. The diesel and electric both push the boat at hull speed. At 4.5 knots the diesel will run the electric in generator mode at 1.2kw and that is about 25amps at 48v. At 25amps the electric will push the boat at 4.5 knots. Seems just about right

This is our 7.0 Weekender version without the clutch system. The boat has 100 AH AGM batteries with a QuickCharge SCO4825 (25 amp at 48v) charger.

Mike Gunning
Electric Yacht of Southern California

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