PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 1 month agoVought-Sikorsky VS-300 helicopter in tethered flight, USA, 1939lemmy.worldimagemessage-square8linkfedilinkarrow-up182arrow-down10
arrow-up182arrow-down1imageVought-Sikorsky VS-300 helicopter in tethered flight, USA, 1939lemmy.worldPugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 1 month agomessage-square8linkfedilink
minus-squareWaterWaiverlinkfedilinkEnglisharrow-up4·edit-21 month 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.