Experimental class helicopter comprised of Lycoming engine, semi-rigid teetering main rotor with a titanium spindle and composite rotor b...
Experimental class helicopter comprised of Lycoming engine, semi-rigid teetering main rotor with a titanium spindle and composite rotor blades, teetering tail rotor with titanium blades titanium shaft and spindle, and titanium shaft and helical gear driven main transmission with over-running sprag clutch.

http://www.safarihelicopter.com/
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