30 May '14, 9am

Pratt & Whitney say Commercial Electric Aircraft Require Innovations Not Yet Invented

Pratt & Whitney say Commercial Electric Aircraft Require Innovations Not Yet Invented

Though electric aircraft technology continues to improve, an engineer at Pratt & Whitney says the technology must make revolutionary leaps before being applicable to commercial or military aircraft. P&W has looked into electric aircraft and determined that three technological “miracles” must occur before electric flight goes mainstream, Alan Epstein, P&W's vice president of technology and environment, tells reporters. First, battery technology must improve by 50 to 100 times, says Epstein, noting that a commercial aircraft like a Boeing 737 require about 10MW of energy during cruise. Battery-powered aircraft could be viable with current technology only “If you want to fly one-hundredth of the distance in the same size airplane,” says Epstein, who made his comments during a question and answer session at the company’s Connecticut headquarters earlier this week. P&W has also...

Full article: http://www.electric-vehiclenews.com/2014/05/though-electr...

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