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Old 6th November 2009 | 03:08
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riff_raff
 
Joined: Sep 2007
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From: USA
Dave Jackson and Graviman,

Under the JHL/JFTL program, Sikorsky received some funding for continued study work on their VDTR (Variable Diameter Tilt Rotor) concept, and Lockheed-Martin/Karem got money to study their OSTR (Optimum Speed Tilt Rotor) concept. The former uses a variable diameter rotor system to achieve both efficient, high forward flight speeds and excellent hover performance, while the latter uses an advanced rigid rotor and multi-speed transmission to do the same.

If Carter is successful in convincing congress and the Pentagon to continue funding these very promising efforts, you both may get what you want.

Regards,
riff_raff
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