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The heart of the Sea-Cycle & Water Bike is the compact, highly efficient patented drive unit.


SEA-CYCLE Drive Units - $865 each

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Inside look at the Sea-Cycle Drive Unit


SEA-CYCLE Drive Unit (cut-away views above)

Stats (estimated):

HEIGHT:  36" total, 12" from top to deflection plate & 24" to bottom, pedals are 4" from top & 9 1/2" above deflection plate

DEPTH: 7 1/2" to 8 1/2" at deflection plate, protrusion with prop is 11"

WIDTH: 3" at top, 4" at deflection plate, 16" with pedals

DRAFT: 20" when used in conjunction with our hardware

GEAR RATIO: 6 to 1

--Pedal cadence of 60 to 80 the output shaft rpm = 360 to 480.

--Pedal cadence of 100 the output shaft rpm = about 600.


TRIM ADJUSTMENT: Infinite when used in conjunction with our hardware

PROPS: Available 12 to 16" X 3" blade

CHAIN: #25 Bicycle chain & sprocket available from us

REMINDER:  Always remove drive units while not in use & keep drive units in an upright position to avoid loss of oil.  Drive units should never be submerged past the splash guard. New drive units should have the chain tensioned after 1 hour, 2-3 hours & checked after 6 hours.  Chain should be checked at least 1 time per month after that for home use and a minimum of weekly in resort/commercial use.  Regularly check drive shaft for tangled debris to avoid damage to O-Ring that keeps it water tight.

Shipping Specs:  45' X 15" x 13" @38 lbs



Composition: Plastic

Sizes: 12" - 16" X 3"

Pitch: 22 degrees

Accomodates a 1/2" shaft

Attaches: pin (not included)




INCLUDES 17 pieces:

6 - Special use allen wrenches

2 - Special use screwdrivers

3 - Special use wrenches including Spanner Wrench to remover outer lower drive

1 - Crank shaft arm puller

1 - Chain breaker

2 - Chain Master Links

2 - 6 ounce bottles of Royal Purple non-emulsifying drive oil with applicator cap

Subject to change without notice.

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