Above the Waterline

Marine Outfitter

805 455 8444

The Racer  - Lightweight Propulsion

3 KW continuous, 5 KW intermittent for race boats up to 7,000 lbs.

4.7 KW continuous, 9 KW intermittent for race boats up to 15,000 lbs.

PRICE:  Available on request.

USES:   In shore racers

CONFIGURATION:   Lightweight, all-electric

VOLTAGE:  48 volts

POWER:   up to 4.7 KW continuous, 9 KW surge

RANGE:  up to 4 nautical miles

REGENERATION:  Yes

WEIGHT:  motor and gearbox from 80 lbs, total weight from 340 lbs.

DESCRIPTION: 

Mars Permanent Magnet Brushless DC motor, Sevcon controller, Emerson Reduction Gear,  3 Odyssey PC 2150 - 100 a.h. batteries, coupling, throttle, control circuit wiring harness, contactor, battery gage with hour meter and fuse holder.

Electric Racer Weight Comparison (with Lithium Ion batteries)

Diesel Racer

A typical 30 foot raceboat has two Group 31 batteries installed, one for starting the diesel motor and one for the house and weigh 120 lbs.

A 21 h.p. Yanmar diesel weighs 287 lbs.

3 gallons of diesel weighs 18 lbs.

The 20 gallon diesel tank, filters, hoses, etc weigh another 40 lbs.

Total Weight of the diesel and accessories is about 465 lbs.

Electric Racer

48 volt "Thunder Sky"  100 amp hour Battery weighs 120 lbs

Electric Drive with gearbox:  Add 80 lbs.

Wire, Cable, Controller, Charger, and converter:   Add 50 lbs.

Total Weight of Electric Drive and Accessories:   250 lbs

Total Weight loss:  215 lbs.

Range :  4 nautical miles -  plenty to get too and from the racecourse. 

House loads for navigation etc are provided by the dc-dc converter or another house battery.

 This website is powered exclusively by Solar Power  -  That's good for your environment!

Email James at       or telephone 805 455 8444

Above the Waterline, Ltd.,    6 Harbor Way # 226, Santa Barbara, CA, 93109, USA