One-man flying space hopper could become the 'air car' of the future80kg machine can take off vertically like a jump jet 9 x$ B5 Y2 V( @7 b2 @
Powered by Lithium Ion batteries " G0 y# Y0 {& _9 zInventor claims the 16-rotor machine will make helicopters 'obsolete 8 o d3 k0 q/ ?2 k. q; r0 c/ I+ S4 E
Could be used for 'air sports' - or even as a flying car 8 C+ P/ c" V1 `8 e 1 X" }/ Y) P) n7 Z, Z+ C0 j: Y2 L) _3 RBy Emma Reynolds5 P7 R2 v Z- h* ?. w1 j3 k+ {( T$ i
5 P& v! G# m c# S$ T4 BLast updated at 1:32 PM on 4th November 2011 ; A! S/ h* f; D7 ?' j) b德国工程师Thomas Senkel和朋友打造出世界首架载人电动“直升机”,日前首次试飞飞行了1分30秒。+ W: U- q# W4 l
它跟传统直升机不同之处在于有16个螺旋桨并且是露天的,使用的锂电池大约可用20分钟,若遇故障还. o; G A9 |2 M9 C- R1 X% Z6 q
可跳伞。该直升机可用于急救和航拍。 ! H( A) w% M* W4 { h % F8 y3 V. G) ~- o+ E6 W# W$ e: a* F+ ^5 V, q# S* i
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