ended8월 12일· 1 sources
DARPA heavy lift challenge ends with winner at a 3.84:1 payload to weight ratio
Why it matters
Avidrone Inc. won the DARPA Lift Challenge on Sunday with the Katana, a conventional single-main-rotor helicopter that weighed 13.3 kg (29.3 pounds) and hauled 51 kg (112.4 pounds) of cast iron around...
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