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Historic 1st Electric Helicopter Flight By S.L. Fuller September was a successful month for Tier 1 Engineering as its battery-powered manned helicopter reached three milestones, according to a company news release. On Sept. 13, the modified Robinson Helicopter R44 performed its first...
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Tier 1 Engineering announced today that its battery-powered manned helicopter program achieved a successful first hover on Tuesday, September 13th, a first hover taxi on Wednesday, September 14th and a record five minute cruise flight to 400 feet altitude with...
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Historic 1st Electric Helicopter Flight Posted on October 3, 2016 | Tier 1 Engineering Press Release Tier 1 Engineering announced that its battery-powered manned helicopter program achieved a successful first hover on Tuesday, Sept. 13, 2016, a first hover taxi on Wednesday, Sept. 14, and...
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By Nick Flaherty A full size helicopter powered by lithium-ion batteries has taken off in what the developers believe is the first such flight. The helicopter, a used Robinson R44 modified by Tier 1 Engineering (Costa Mesa, CA), flew for a five-minute cruise...
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By Nick Flaherty The helicopter, a used Robinson R44 modified by Tier 1 Engineering, flew for a five minute cruise flight to 400 feet altitude with a peak speed of 80 knots. "I'm very pleased to achieve this historic breakthrough in aviation," said Glen Dromgoole,...
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