"Harvestor" Wing Design in UAV

Very interesting wing/propulsion system design I came across today. Notice during the flight sequence that Mr Peebles mentions its stability in turbulent air. This could prove specifically helpful for UAV designs which are intended to perform tasks in risky air space such as wildfire reconnisance and would assist imagry intelligence gathering missioned systems by reducing the the amount of motion control that would be necessary to support the telemetrey payload.

Tags: fanwing, harvestor, stable, uav, wing

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5 Comments

Comment by Xander on July 24, 2008 at 3:14pm: Wow, that's really neat! I wonder if there is any easy way to get fans that could be used for a device like this. I suspect making them from scratch would be beyond the capabilities of most DIYers.

Comment by Condor on July 24, 2008 at 3:31pm: Reminds me of the fans in some wall ac units.....but very cool excuse the pun. There is a youtube video of a wooden prototype. I wonder if they have a patent?

Comment by Sgt Ric on July 24, 2008 at 3:36pm: I had seen a surprisingly similiar blade layout in a rear window defroster fan in my old Datsun car several years ago.

I dissasembled it years ago to see how it worked (I do that alot) and marvelled at the light weight blades and frame for such a powerful fan.

I saw an article in RadioControlMagazine or ModelAircraftNews almost 10 years ago with diagrams for a model with wings made out of the same horizontal rotating blades.

The shroud around the fan would be critical to generating the required lift.

Comment by Wonko on July 24, 2008 at 3:50pm: Looks like they have filed for several patents for this:

http://fanwing.com/

But it also looks like they are looking for integration and control systems help. The fans themselves don't look that hard to make as there really isn't too much too them as far as I can see. Just many parts.

The best part about this project is that it confirms some aerodynamic theory I've recently digested. Very cool design.

Comment by Jack Crossfire on July 25, 2008 at 9:17pm: Peebles needs to put together some flight times vs equivalent conventional payloads.

"Harvestor" Wing Design in UAV

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