Smallest helicopter-world record
Tuesday, December 16th, 200875-year-old Gennai Yanagisawa, who runs an electronics equipment company in Matsumoto, central Japan, has created a 75kg (165-pound) one-man aircraft which sets the world record for the smallest helicopter.
Yanagisawa's helicopter is the smallest model in the world in terms of weight and its rotor length of 3.9 metres.
The first prototype he created in 1995 hovered [...]