Seahawk - Feathering Propellers Seahawk - Folding Propellers
Home Feathering Props Folding Props VariProp Propellers Propeller Estimation Testimonials Zinc Anodes & Parts SAE Shaft Tapers Dealers Contact us
Choosing a Propeller Instructions & Old Models Trobuble shooting Dimensions Pitch estimation Common Questions Glossary/Materials The Autostream story About Seahawk Warranty Form

Seahawk Sailboat Propellers
Once you have printed this form, please complete it and fax it to +61 (3) 9761 0727

Seahawk Propeller Estimation Form
(Please complete and submit this form)

We are happy to offer selection advice on propellers for sailboats, without obligation.

Please note that the better the information you can provide to us, the better our advice to you will be.

(If you prefer to print & fax this form to us then please open the printable version or PDF version.)

As a bare minimum, to be able to calculate sizing, we require all items marked in bold underlined text.

We may respond via one of our Distributors, or Dealers dependant on application, please notify us if this is not acceptable to you.
Make/Model/Design of Vessel
Hull Type
Keel Type

Displacement
(best estimate of actual sailing weight)

tons / tonnes Lb's Kg's
Waterline Length Feet Metres
Engine Make & Model
Engine CONTINUOUS rated output KW @ RPM
Engine MAXIMUM rated output KW @ RPM
Single or Twin ENGINE
Single or Twin PROPELLERS
Shaft Drive or Saildrive
Gearbox Reduction Ratio
If unsure, please provide all details from the
Identification plate on the gearbox in the notes box below
:1 (eg. 2.63 )
Shaft Size
Shaft Taper

Shaft Rotation
Counter Rotating Propellers
Description of your current Propeller? Diameter X Pitch
Number of Blades
Max. Speed with this Propeller

Knots MPH KPH

Would you like a Folding or Feathering Propeller?

Feathering Folding
Name of Yacht
Your Name
Address
State
Postcode (Zip Code)
Country
Phone BH
Phone AH
Fax
Email Address
   
REQUIRED DETAILS for NON-STANDARD SHAFT TAPERS

Please fill in this section for dimensions from the shaft OR the following section for dimensions from your propeller
A: Thread Diameter
B: Taper Small end Diameter
C: Keyway Width
D: Shaft Diameter
E: Taper Length
F: Thread Length
G:Thread Pitch
Above measurements are in
inches mm
 
OR
 
EXISTING PROPELLER HUB DETAILS
A: Taper Length
B: Keyway Width
C: Taper Small end Diameter
D: Taper Large End Diameter
Above measurements are in...
inches mm
     
SHOULD YOU SUSPECT THAT CLEARANCE MAY BE A CONCERN, PLEASE SUPPLY THE FOLLOWING MEASUREMENTS
A: Approx Angle in degrees
B: Tip of shaft to nearest obstruction
C: Centre of shaft to Hull
Above measurements are in...
inches mm