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Gamera II HPH Tethered Hover for 70 seconds!

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Published on Aug 9, 2012

Team Gamera flight tested modifications to their Gamera II human-powered helicopter for 3 days in early August at the University of Maryland Comcast Center. This modified "Gamera 2.1" vehicle featured increased rotor blade radius (and larger airframe truss arms to match), improved cockpit ergonomics, as well as a much-improved transmission drive-train system. These flights were not observed by NAA/FAI officials and were conducted purely for engineering assessment. The main goal was to reach 60-second hover endurance at any altitude. Gamera II was maxing out at 50 seconds in June trials, even when tethered.

This video, taken August 8th 2012, shows a tethered hover reaching an amazing 70 seconds with pilot Kyle Gluesenkamp. There are 4 people in the center keeping the airframe from drifting as well as from rotating (yawing). This would not be necessary in a larger space or if we had more time to balance the vehicle. The 5th person is recording the transmission with a high-speed camera to assess the drive-train system.

Team Gamera will be free-flight testing this vehicle in a larger space on August 28, where official NAA/FAI observers will be present to certify any flights that may break the current 49.9-second record (set in June with Gamera II).

The project's goal is to win the American Helicopter Society's Igor I. Sikorsky Human Powered Helicopter Competition, also known as the AHS Prize or the Sikorsky Prize. The requirements, set in 1980 and not yet completed by anyone, are to hover for 60-seconds and momentarily reach an altitude of 3-meters (10 feet).

For more details:
http://www.vtol.org/awards-and-contes...
http://www.agrc.umd.edu/gamera/

Thanks for watching and stay tuned for more from Team Gamera!

Other active human-powered helicopter teams:
http://www.aerovelo.com/
http://ntsworks.com/

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