Whirlwind Propellers - Composite Adjustable Airboat Propellers

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March 26, 2020 By admin Leave a Comment

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Filed Under: News

July 22, 2014 By admin Leave a Comment

Full Scale Forward Swept (FS) Propeller Blade Test

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WhirlWind Propellers had developed a full scale forward swept (FS) propeller blade for proof of concept testing. This is the first full scale forward swept (FS) propeller blade to be manufactured and tested (that we are aware of). The FS Propeller is currently in testing phase and we will share the results. Testing will focus on noise reduction and efficiency increases.

For decades the theoretical benefits of forward swept propeller blade designs have been discussed in the aerospace engineering community. Testing of wind tunnel models and CFD models have shown potential performance improvements and noise reduction for the forward swept propeller blade design. Aerodynamic tip losses plague propeller efficiency and performance, and the forward swept design attempts to address those losses. There have been several attempts to address tip losses using other propeller blade design modifications, such as winglets and fences, but these types of modifications have actually resulted in more drag on the propeller blade and loss in performance.

Filed Under: News

September 3, 2012 By admin Leave a Comment

Winner’s Circle

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We are a proud sponsor of NAADR (National Association of Airboat Drag Racing)

Whirlwind Propellers gives race teams an unfair advantage.

 

Race Results April 12, 2014 – Whirlwind Propeller Winners

Class Place Owner Boat Name
Unlimited Automotive 1st Gerald Sherner Ground Rattler
Modified Aircraft 4 Cyl 1st Roger Walters Swamp Dragon
Modified Aircraft 6 Cyl 1st Billy Joe White Devil in the Bottle
Promod Aircraft 4 Cyl 1st Roger Walters Swamp Dragon
Promod Aircraft 6-8 Cyl 1st Jerry Cypret Bullet Proof
Sportsman Class 2nd Terry Lee

:: Boat Driver: Ricky White


Boat Name: Bullet Proof

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:: Boat Driver: Jerry Cyrpet
:: Jerry Cyrpet races with the blades from Whirlwind Propellers, but he is not sponsored by Whirlwind Propellers.
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Boat Name: Ground Rattler

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:: Boat Owner: Gerald Sherrer
:: Boat Driver: Travis Sherrer
:: Engine: SB 434, 750hp, 300 hp nitrous, 2.88 Stinger reduction
:: Hull: Lou Hawthorn
:: Propeller: 3-blade Whisper Tip EX 78″
:: Race Class: Car Motor Race Boat, Unlimited


Boat Name: Steppin Upp

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:: Boat Owner: Pete Peterson
:: Boat Driver: Pete Peterson
:: Engine: SB Chevy, Gear Reduction
:: Hull: Steppin Upp
:: Propeller: 3-blade Whisper Tip EX 76″
:: Race Class: Modified Car Motor, Unlimited


Boat Name: Hulk

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:: Boat Owner: Ike Rainey
:: Boat Driver: Josh See
:: Engine: GO-480
:: Hull: Chuck Hawk
:: Propeller: 3-blade Whisper Tip EX 76″
:: Race Class: Pro Mod 6 Cyl, Unlimited


Boat Name: Swamp Dragon

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:: Boat Owner: Roger Walters
:: Boat Driver: Roger Walters
:: Engine: 4 Cyl Lycon-nental
:: Hull: Dragon Hull
:: Propeller: 2-blade Whisper Tip 69″
:: Race Class: Modified 4 Cyl, Unlimited Pro Mod 4 Cyl


Boat Name: Marshin

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:: Boat Owner: Billy Jo White
:: Boat Driver: Billy Jo White
:: Engine: 6Cyl Lycoming 540
:: Hull: Marsh Master
:: Propeller: 6-blade WhirlWind Razor 70″
:: Race Class: Modified 6Cyl Aircraft, Unlimited Pro Mod 6Cyl Aircraft


Boat Name: Tater Chip

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:: Boat Owner: Terry Lee
:: Boat Driver: Terry Lee
:: Engine: 4 Cyl Lycoming 360
:: Propeller: 4-blade WhirlWind Razor 70″
:: Race Class: Modified 4 Cyl


Boat Name: Bad Habit

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:: Boat Owner: Lou Hawthorne
:: Boat Driver: Lou Hawthorne
:: Engine: SB V8
:: Hull: Lou Hawthorn
:: Propeller: 3-blade Whisper Tip EX 78″
:: Race Class: Car Motor Race Boat, Unlimited


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Whirlwind Propellers Corporation
1 Propeller Place
Piqua, OH 45356
[email protected]
Ph. (619) 562-3725

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