@PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish • 18 hours agoMiners showing a bomb dropped on them via airplane by company thugs, Battle of Blair Mountain, USA, 1921lemmy.worldimagemessage-square18fedilinkarrow-up1301
arrow-up1301imageMiners showing a bomb dropped on them via airplane by company thugs, Battle of Blair Mountain, USA, 1921lemmy.world@PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish • 18 hours agomessage-square18fedilink
minus-squareTWeaKlinkfedilinkEnglish9•17 hours agoThat’s way too fast, you need a speed of 3600 RPM to generate at 60Hz (3000 RPM for 50Hz).
minus-square@Madison420@lemmy.worldlinkfedilinkEnglish4•12 hours agoWoah we went some torque too, ≈15k happens to be a nice multiple of 3 so just gear reduce it down to 3k.
minus-square@D1G17AL@lemmy.worldlinkfedilinkEnglish2•9 hours agoSiphon off the excess into a flywheel and then use that to drive the turbine.
minus-square@weker01@sh.itjust.workslinkfedilinkEnglish4•edit-214 hours agoWell depending on the torque we could use some transmission or produce at a bit above 400Hz and use large frequency changers.
That’s way too fast, you need a speed of 3600 RPM to generate at 60Hz (3000 RPM for 50Hz).
Woah we went some torque too, ≈15k happens to be a nice multiple of 3 so just gear reduce it down to 3k.
Siphon off the excess into a flywheel and then use that to drive the turbine.
Well depending on the torque we could use some transmission or produce at a bit above 400Hz and use large frequency changers.