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March 26, 2020 By admin Leave a Comment

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July 22, 2014 By admin Leave a Comment

Full Scale Forward Swept (FS) Propeller Blade Test

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.

September 3, 2012 By admin Leave a Comment

Winner’s Circle

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.
https://www.facebook.com/photo.php?v=10201378469238078

Boat Name: Ground Rattler

:: 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

:: 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

:: 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

:: 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

:: 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

:: 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

:: 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

Whirl Wind Goes to Iraq

Airboating in Iraq. It’s easy, Right?

When Faron Floyd from American Airboat Corp. Called and ask if I wanted to go to Iraq and re-assemble some airboats and teach airboat operations, my first thought was; where the hell is any water? As visions of the Rat Patrol sailing accross the sand dunes momentarily wandered through my mind. (I just dated myself) The American Military would do the prcurement for the airboats and the British Military would be my employer. I figured hey, teaching Iraq’s to assemble and operate airboats wouldn’t be much different than what I’ve done here in the States. Right? Well, one would think that’d be the case, unless you throw in something called logistics and a language barrier.. I was really knocked down down a couple of notches on the ol’ “I know what I’m doing” factor when i had to use 2 yes, count em”, two interpreters wore ski masks the entire time we were in class (due to threats made to their lives and the lives of their families if they worked for the british) so i couldn’t even see by their facial expressions if they understood what I was saying before they translated it to the students.. What a fun way to teach…. But I digress……. want MORE??? click here.