Karem Tests Full-Scale Rotor For Optimum Speed Tiltrotor

Karem’s full-scale, 36-ft.-dia. proprotor has been ground tested in Victorville, California.
Credit: Karem Aircraft
A full-scale proprotor incorporating the key features of Karem Aircraft’s Optimum Speed Tiltrotor (OSTR) concept has run on a ground rig in Victorville, California. Tests of the 36-ft.-dia. rotor are supported by funding from the U.S. Army’s Joint Multi Role (JMR) technology demonstration. Although...

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