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Thu, Feb 10, 2005

HeliExpo '05: Comanche Is Dead, But...

...Its Technology Lives On

By ANN Senior Correspondent Kevin "Hognose" O'Brien

When handed lemons, good engineers make lemonade, and that's just what Sikorsky has done with the remnants of the RAH-66 Comanche program, cancelled last year (and still in close-out negotiations between the Pentagon and contractors, including project lead Sikorsky).

Lessons learned from the Comanche rotor system, which Sikorsky called a "Gen III" rotor, have been incorporated in other machines' rotor systems, including the S-92, the UH-60M upgrade, and the S-76D.

Fly-by-wire expertise honed on Apache is now designing a fly-by-wire system to meet Canadian demands for the Canadian Maritime Helicopter project (the Sikorsky S-92 won the competition).

It was a terrible blow losing the Comanche contract, which was 20 times the size of the higher profile Marine One competition. But the technology used in the ill-fated Comanche keeps resurfacing in Sikorsky's commercial and military aircraft.

FMI: www.sikorsky.com

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