- online supplier of sailing gear and boat supplies.

 Call toll free - (877) 379-2248

Register | Login                 

Brand name sailing gear at discount prices.

Request a Martec Prop Recomendation

Personal Information:
Line 2:
Postal Code:
Email address:

Boat Information:

Engine Brand & Model No.:

Horse Power:

at R.P.M.s:

Gear Reduction:

Shaft Diameter:

Rotation (viewed from astern looking forward)

Right Hand/clockwise:

Left Hand/counter clockwise:

Was boat manufactured in the United States?

If not, then you will also need to determine:

1) taper on the shaft:

2) shaft nut threads:

3) shaft diameter:

4) size of key way:

Please contact us regarding a foreign built boat, as we have some dimensions on file.

Which of the following applies:

fin keel with shaft & strut installation:

shaft exist directly from keel:

prop sets in aperture:

Check Clearance - Measure From End of Shaft Nut Threads.
Amount of clearance from tip of blade to hull should be 15% of overall diameter of prop, i.e.;
15" dia. prop would require 9-3/4" measurement from center of end of shaft to hull.
Radius of one blade 7-1/2"
+ 15% of diameter  2-1/4"

to hull (blades open):

to rudder (blades closed):

to skeg (arc blades describe when opening):

Note: Martec folding propeller sets farther aft on shaft than fixed propeller.  

Helpful Information:
What type of prop are you interested in?

Boat Make or Designer:

Overall Length:



What Type (e.g. 3-blade/2-blade Fixed) and Combination (diameter & pitch) Size Propeller is now in use on boat?
Performance Yacht Systems
919 Bay Ridge Road
Annapolis, MD  21403

Toll free: 1-877-379-2248
Local: (410) 267-8681


Home | Manufacturer Index | Advanced Search | Show Cart | Checkout
Anchoring/Docking | Clothing | Communications | Electrical | Electronics | Engine/Props | Interior/Galley | Maintenance | Navigation | Plumbing/Pumps | Rigging | Safety | Sailing Hardware
About Us | Contact Us | Delivery | Order Tracking | Privacy | Returns | Terms of Sale

Copyrightę1997-2012 -