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Whirl Wind PropellerWhirl Wind Propeller

Whirl Wind Propellers, USA

Without a method of converting the power produced by the engine into useful thrust an aircraft would just be sitting still and creating a lot of noise and not get anywhere. In the past, all kinds of different propeller designs were tried: sometimes flat wooden blades, from one bladed counter weighted to multiple blade models rotating at various speeds.

Variable pitch propellers have a distinct advantage compared to fixed pitch models. This translates into a more fuel efficient, higher performing aircraft with much improved rate of climb and shorter takeoffs for those tight places!

WhirlWind Propellers Corporation is manufacturing a complete line of composite ground adjustable aircraft propellers for the light sport, experimental aircraft category. They were established in 1995 to meet the growing demand for composite constant speed propellers on the market.



About Whirl Wind

The company's facility is equipped with the latest in engineering design tools and composites manufacturing equipment.

Whirl Wind Propeller Assembly

Since the beginning, Whirl Wind has earned high praise from airshow performers, aerobatic competitors, air racers and sport aviators for propeller performance and reliability they demand. From their humble beginnings of manufacturing blades from wood/composite overlay to today’s advance patented all composite closed mold net-shape blade manufacturing process. Up until now, Whirl Wind Propellers has manufactured over 25000 blades.

Whirl Wind is a truly vertically integrated company, using latest CAD solid modeling, FEA simulation, and CNC machining, proprietary composite molding process to laboratory destructive testing and on aircraft vibe surveys. But most importantly, they are just as passionate about airplanes as we are!

Technology

The aerodynamics, pressure and velocity profiles, and three dimensional flow patterns through an aircraft propeller are an order of magnitude more complex than the airflow acting on an equivalent but non rotating wing. To optimize propeller thrust and maximize achieved aircraft performance, the design must balance numerous factors including blade area, aspect ratio, and velocity profile.
With this in mind, the company employs the most technologically advanced computer flow modeling tools, and incorporates custom designed proprietary airfoil sections from root to tip in every blade they produce.

Propeller Blades

Whirl Wind Propeller Assembly

Whirl Wind manufacturers blades for the following engine makes and models:

  • Jabiru 2200 and 3300 engines
  • Lycoming
  • Continental
  • Rotax 912 up to 915 series
  • UL Power 260 and 350
  • Viking Aircraft Engines 110 and 130

Note that this list is not definitive as new makes and models are developed continuously. Contact Whirl Wind for more information.

Constant Speed

Whirl Wind blades are also used by several manufacturers of constant speed assembly propellers, one of them is Airmaster Propeller Ltd. from New Zealand, they use these blades with their electric controller with amazing results! Read more on that on our Airmaster page.

Service Letter, Oct 2020

The 300 Series propeller hubs may allow the piston O-ring to extend beyond the cylinder at the high-pitch position resulting in immediate, heavy oil leakage and O-ring damage. Read all the details in the SL-300-3B_72-091620 service letter or have a look at the 300 Series Service Letter Wirl Wind YouTube video.


Company information

Whirl Wind can be contacted at the following addresses:

Whirl Wind Propellers Corporation
1800 Joe Crosson Drive, Ste C
El Cajon, CA 92020, USA
+1 (619) 562-3725
[email protected]
whirlwindpropellers.com/aircraft
www.facebook.com/whirlwindpropellers
www.youtube.com/user/WhirlWindPropellers

Text and images used with permission (pending) of Whirl Wind Corp.

The next link shows a video tour of the factory and how these blades are made from pre-preg carbon fiber. For more detailed blade and pricing information we refer you to the website of Whirl Wind.

written by EAI.





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