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Altra-Air Fan with WhalePower Technology

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Uploaded by on Jun 23, 2009

The Altra-Air Fan now features WhalePower Technology.
www.enviranorth.com
1.877.771.7766

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  • What happens when you combine leading and trailing edge tubercles like with the humpbacks? Can you can even better improvements especially in terms of stall angle?

    Secondly, could you sell this technology in separate rc wings or complete rc airframes? I'd love to have the high-alpha performance and soft stall for my rc planes.

    Thanks.

  • Combing our technology with trailing edge tubercles is not recommended as it is not efficient. The air flowing over the cross-section of the blade is already funnelled and separating from the blade at the trailing edge. Also you would add to the thickness of the blade thus changing the proprieties of the Bernoulli effect i.e. less lift thus less efficiency.

    As for your RC Wings, we only utilze this technology for our HVLS fans.

  • Out of curiosity, do you have a reversable model? (It's nice to have control of when and where fans are pushing air up or down)

  • Thank you for your inquiry. Yes, all of our fan models can operate in both forward and reverse.

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All Comments (23)

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  • @sunnorthsystems - thanks! Naturally, they are way ahead of me on that score. Hopefully this technology leads to much more efficient wind turbines!

  • @daispy101 - that's a great question. Our friends at WhalePower Technology would be better suited to answer that for you. Just google "WhalePower" and you will see more information then you could possibly imagine. The technology is simply amazing.

  • I'm curious to know if you could add tubercles to, say, a wind turbine, and increase it's operational efficiency or output at lower wind speeds?

  • @enviranorth

    Thanks for answering!

    Too bad that you won't do RC-stuff. About the trailing edge tubercles I don't actually agree. In my mind it would further accelerate the flow at the trailing edge by having a second funneling effect. I think this could delay stall even further, in the same way "blown flaps" do (look it up on wikipedia). And it would certainly decrease spanwise flow and associated turbulence/inefficiency. Have you tested double tubercles or is that proprietary information?

  • Please contact us for local distributor information.

  • @enviranorth could you please give me the address for Malaysian distributor for Altra-Air Fan?

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