Comment on The Soviet Superplane Program That Rattled Area 51 (2011)parentComments−bigiain13yThe high efficiency of the ground effect starts dropping off sharply at 1/2 wingspan altitudes.(Anybody who's flown RC gliders will be very familiar with this.)
Comments
The high efficiency of the ground effect starts dropping off sharply at 1/2 wingspan altitudes.
(Anybody who's flown RC gliders will be very familiar with this.)