PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 18 hours agoVought-Sikorsky VS-300 helicopter in tethered flight, USA, 1939lemmy.worldimagemessage-square8fedilinkarrow-up172
arrow-up172imageVought-Sikorsky VS-300 helicopter in tethered flight, USA, 1939lemmy.worldPugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 18 hours agomessage-square8fedilink
minus-squareWaterWaiver@aussie.zonelinkfedilinkEnglisharrow-up2·edit-26 hours agoThat (chinook-style solution) only works if both rotors are the same size and speed. Perhaps Sikorsky’s tethers to the ground worked around the problem for that photo anyway. Not sure.
That (chinook-style solution) only works if both rotors are the same size and speed.
Perhaps Sikorsky’s tethers to the ground worked around the problem for that photo anyway. Not sure.