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News Link • Science, Medicine and Technology

Project Firefly

• arclein
While both the cruising speed of 79 knots and the gross weight of 2150 lbs are comparable to the S-300C helicopter, the big issue, as with electric cars, is range. The demonstrator has an expected flight time of 15 minutes (compare this to the 3.7 hrs the S-300C gets from its

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