Slipstream and Autostream Propellers

Seahawk, Martec Engineering and Austral Propellers combined forces to introduce the Slipstream Folding Propeller and the Autostream Feathering Propeller in the early 2000’s.  These family-owned companies have been in the marine industry since the 1940’s.


The Slipstream and Autostream are 100% stainless steel construction.  Blades and body are 316L (low carbon 316 alloy), with a large surface area of the blades providing excellent thrust.  Both propellers have self-service kits available when it’s time to refurbish the propeller.


Manufactured in Australia, through getaprop.com these propellers ship anywhere in the world, usually in 7-10 business days.

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Autostream Self Feathering Propeller 20"

Autostream Self Feathering Propeller 20"

20" Autostream 3 Blade Self Feathering Stainless Steel Propeller fits shaft diameters 1" thru 1 3/8"..

$4,441.00

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Autostream Self Feathering Propeller 15"

Autostream Self Feathering Propeller 15"

15" Autostream 3 Blade Self Feathering Stainless Steel Propeller fits shaft diameters 1" thru 1 3/8"..

$4,108.00

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Slipstream Folding Propeller 3B-14"

Slipstream Folding Propeller 3B-14"

14" Slipstream 3 Blade Folding Stainless Steel Propeller fits Saildrives & shaft diameters 1" th..

$3,061.00

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Slipstream Folding Propeller 2B-14"

Slipstream Folding Propeller 2B-14"

14" Slipstream 2 Blade Folding Stainless Steel Propeller fits Saildrives & shaft diameters 1" th..

$2,506.00

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Slipstream Folding Propeller 2B-19"

Slipstream Folding Propeller 2B-19"

19" Slipstream 2 Blade Folding Stainless Steel Propellers for Sail-drives & shaft diameters..

$2,636.00

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Autostream Self Feathering Propeller 16"

Autostream Self Feathering Propeller 16"

16" Autostream 3 Blade Self Feathering Stainless Steel Propeller fits shaft diameters 1" thru 1 3/8"..

$4,161.00

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Slipstream Folding Propeller 3B-15"

Slipstream Folding Propeller 3B-15"

15" Slipstream 3 Blade Folding Stainless Steel Propeller fits Sail-drives & shaft diameters..

$3,101.00

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Slipstream Folding Propeller 2B-15"

Slipstream Folding Propeller 2B-15"

15" Slipstream 2 Blade Folding Stainless Steel Propeller fits Saildrives & shaft diameters 1" th..

$2,532.00

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Slipstream Folding Propeller 2B-20"

Slipstream Folding Propeller 2B-20"

20" Slipstream 2 Blade Folding Stainless Steel Propellers for Sail-drives & shaft diameters..

$2,662.00

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Autostream Self Feathering Propeller 17"

Autostream Self Feathering Propeller 17"

17" Autostream 3 Blade Self Feathering Stainless Steel Propeller fits shaft diameters 1" thru 1 3/8"..

$4,215.00

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Slipstream Folding Propeller 3B-16"

Slipstream Folding Propeller 3B-16"

16" Slipstream 3 Blade Folding Stainless Steel Propellers for Sail-drives & shaft diameters..

$3,127.00

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Slipstream Folding Propeller 2B-16"

Slipstream Folding Propeller 2B-16"

16" Slipstream 2 Blade Folding Stainless Steel Propeller fits Saildrives & shaft diameters 1" th..

$2,558.00

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Autostream Self Feathering Propeller 18"

Autostream Self Feathering Propeller 18"

18" Autostream 3 Blade Self Feathering Stainless Steel Propeller fits shaft diameters 1" thru 1 3/8"..

$4,334.00

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Slipstream Folding Propeller 3B-17"

Slipstream Folding Propeller 3B-17"

17" Slipstream 3 Blade Folding Stainless Steel Propeller fits Sail-drives & shaft diameters..

$3,166.00

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Slipstream Folding Propeller 2B-17"

Slipstream Folding Propeller 2B-17"

17" Slipstream 2 Blade Folding Stainless Steel Propeller fits Saildrives & shaft diameters 1" th..

$2,585.00

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Autostream Self Feathering Propeller 19"

Autostream Self Feathering Propeller 19"

19" Autostream 3 Blade Self Feathering Stainless Steel Propeller fits shaft diameters 1" thru 1 3/8"..

$4,388.00

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Slipstream Folding Propeller 3B-18"

Slipstream Folding Propeller 3B-18"

18" Slipstream 3 Blade Folding Stainless Steel Propeller fits Sail-drives & shaft diameters..

$3,192.00

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Slipstream Folding Propeller 2B-18"

Slipstream Folding Propeller 2B-18"

18" Slipstream 2 Blade Folding Stainless Steel Propellers for Sail-drives & shaft diameters..

$2,610.00

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