WANT A PRECISE ENGINEERING PROPOSAL AND QUOTE?

SPW ENGINEERING can analyze your data and transmit a propeller specification to our Maine office. We will contact you ASAP. This process normally takes three (3) working days.

The Quote and Proposal you will receive represents decades of SPW's experience as the premier European manufacturers of automatic feathering propellers. When you choose a VARIPROP for your boat you have consciously decided upon excellence in design, strength and durability- and performance!- that no other propeller can provide. We are proud to have been chosen by SPW to introduce these superb propellers here in the USA.

Get a free quote for your boat: Click here!

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NOTICE:
VariProp USA will NOT DELIVER goods to addresses outside the U.S. If your boat's home port is in Canadian waters, please contact the Canadian distributor of VariProp and VariFold propellers at: www.NautilusVariprop.ca .
If your boat's home port is in US waters, please contact us at info@varipropusa.com

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Basic Features and Benefits of All Feathering Propellers

When the engine is turned off, the waterflow rotates the blades automatically into the feathered position.

BENEFITS:

• Drag is almost eliminated and speed increases 15% to 20%, depending on wind conditions

• Propeller turbulence vanishes and a substantially enhanced rudder effect is achieved

When shifting into reverse, less than one shaft rotation turns the leading edge of the blades 180 degrees

BENEFITS:

• Efficiency (thrust) in reverse is equal to forward, unlike all fixed propellers You get improved stopping power "Prop walk" (the paddle wheel effect) is reduced, giving you better maneuverability and control when docking and anchoring


Unique Features of
VARIPROP

Independently adjustable external pitch control.
Forward and Reverse pitches can be changed in just seconds- even underwater

BENEFITS:

• Custom fine tuning of reverse thrust vs. totally eliminating prop-walk. (For most owners, eliminating prop-walk is more important than maximizing reverse thrust.)

• VariProp allows you to customize that balance for optimum control, maneuverability and safety

• Independent fine tuning of forward thrust means that VariProp delivers the best possible performance (speed, thrust, fuel economy) in forward without compromising reverse performance… and vice versa!

SoftStop Shock Absorbing Multidisc Brake (patented) built into the VariProp hub

BENEFITS:

• Dramatically reduces shock loads on gearbox and drivetrain, permits shifting at higher speeds without damage, preserves preset pitches by eliminating hard limit stop impacts

• The entire drive train benefits: longer Cutless bearing life, minimized wear on gearbox, clutch plate, bearing

Superb German precision engineering in a custom
made prop vs. mass-produced competitors.

BENEFIT:

• Each prop is consistently 100% up to stringent specs for reliable, smooth and efficient operation.

• Gears are 35% - 50% larger and stronger than competing props

• Quality is assured by compliance with DIN EN ISO 9001 international manufacturing standards

As a final step, each propeller is dynamically
balanced by hand to perfection

BENEFIT:

• Smoother, quieter running with absolutely zero vibration

Shortest hub: VariProp's hub is flush with the forward
edges of the blades, and barely protrudes past the aft edges

BENEFITS:

• VariProp will fit into the smaller prop apertures of older traditional "full keel" yachts- not possible with most competing propellers

• Line cutters- SPURS or solid types- can be mounted very close to the VariProp blades - the ideal position. This is a huge advantage for boats operating in areas with fields of lobste