Seahawk
Low Drag Stainless Steel Feathering and Folding Sailboat and Yacht Propellers
Seahawk Pty Ltd
41 London Drive Bayswater 3153
Victoria Australia
Phone 03 9761 1633 Email info@seahawk.com.au
Open 8am to 4:30pm Mon-Thurs
Open 8am to 2:30pm Friday
Home Gallery Anodes/Parts Dealers Warranty Form Propeller Repairs Propeller Recommendation
Price List
Closed Fridays during Winter
Seahawk is closing next year
June 30 2023
S2 Sail Drive Autostream are sold out.
S2 Autostream production has now finished.
Autostream S1/S2 3 blade feathering Yacht propellers
Feathering Propeller Features :
- Strong reverse thrust better than a folding or fixed blade propeller
- All major parts cast in 316 and 2507 stainless steel
- Easy to replace bronze and acetal bushes
- S2 model has a rubber insert to absorb shocks and can be replaced
- Simple external pitch adjustment
- Sizes from 15 to 20 inches diameter
- Rated for up to 75 horse power
- S1 model fits taper shafts up to 1-3/8 inches diameter
- S2 model fits 17 Spline Sail drives
- S2 fits 109mm Gearcase Sail Drives like :
Volvo 130/150 and Yanmar SD20 SD31 SD50 SD60 - S2 model does not match :
small 89mm Lombardini Sail Drives and
small Volvo 120s Sail Drives
S1 Autostream Shaft drive feathering propeller manual
S2 Autostream Sail drive feathering propeller manual
Autostream Feathering Propeller flyer
Check your S1 propeller blade angle is 18 degrees
Check your S2 propeller blade angle is 18 degrees
Read the Yachting Monthly propeller test
S1 Autostream fitting template
S2 Autostream fitting template
Slipstream S5 3 blade folding Yacht propeller
S5 Folding Propeller Features :
- Less chance of catching kelp and ropes than a feathering propeller
- All major parts cast in 316 stainless steel
- Easy to replace bronze blade bushes
- Sizes from 14.5 to 18.5 inches diameter
- Rated for up to 75 horse power
- S5 model fits taper shafts up to 1-1/2 inches diameter
Read the Yachting Monthly propeller test
S5 3 Blade Folding Manual
Slipstream S7 3 blade folding sail drive Yacht propeller
S7 Folding Propeller Features :
- Less chance of catching kelp and ropes than a feathering propeller
- All major parts cast in 316 stainless steel
- Easy to replace bronze blade bushes
- Rubber insert to absorb shocks can be replaced
- Sizes from 14.5 to 18.5 inches diameter
- Rated for up to 75 horse power
- S7 model fits 17 spline sail drive shafts like
- Volvo 130/150 and Yanmar SD20 SD31 SD50 SD60
Read the Yachting Monthly propeller test
S7 3 Blade Folding Manual
Slipstream S4 2 blade folding Yacht propeller
S4 Folding Propeller Features :
- Less drag than a 3 blade folding or feathering propeller
- Less chance of catching kelp and ropes than a feathering propeller
- All major parts cast in 316 stainless steel
- Easy to replace bronze blade bushes
- Sizes from 14 to 20 inches diameter
- Rated for up to 75 horse power
- S4 model fits taper shafts up to 1-1/4 inches or 30mm diameter
Price List
Read the Yachting Monthly propeller test
S4 2 Blade Folding Manual
Sliptream folding propeller flyer
Slipstream S6 2 blade folding sail drive Yacht propeller
S6 Folding Propeller Features :
- Less drag than a 3 blade folding or feathering propeller
- Less chance of catching kelp and ropes than a feathering propeller
- All major parts cast in 316 stainless steel
- Easy to replace bronze blade bushes
- Rubber insert to absorb shocks can be replaced
- Sizes from 14 to 20 inches diameter
- Rated for up to 75 horse power
- S6 model fits 17 spline sail drive shafts like
- Volvo 130/150 and Yanmar SD20 SD31 SD50 SD60
Read the Yachting Monthly propeller test
S6 2 Blade Folding Manual