PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 4 months agoVought-Sikorsky VS-300 helicopter in tethered flight, USA, 1939lemmy.worldimagemessage-square8fedilinkarrow-up179arrow-down10
arrow-up179arrow-down1imageVought-Sikorsky VS-300 helicopter in tethered flight, USA, 1939lemmy.worldPugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 4 months agomessage-square8fedilink
minus-squareWaterWaiver@aussie.zonelinkfedilinkEnglisharrow-up4·edit-24 months agoThat 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 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.