You know how razors are better with extra blades? Apparently, so are helicopters. At Sikorsky, they've been planning on a revolutionary coaxial blade arrangement for a while. The first test flight the other day was a big success. The final product is a helicopter that is expected to travel at close to 300 MPH.
Some background on the X2 Coaxial arrangement from Sikorsky:
www.sikorsky.com
News release on the recent test:
www.sikorsky.com
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