PugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 5 months agoMiners showing a bomb dropped on them via airplane by company thugs, Battle of Blair Mountain, USA, 1921lemmy.worldexternal-linkmessage-square18fedilinkarrow-up11arrow-down10
arrow-up11arrow-down1external-linkMiners showing a bomb dropped on them via airplane by company thugs, Battle of Blair Mountain, USA, 1921lemmy.worldPugJesus@lemmy.worldM to HistoryPorn@lemmy.worldEnglish · 5 months agomessage-square18fedilink
minus-squareTWeaK@lemm.eelinkfedilinkEnglisharrow-up0·5 months agoThat’s way too fast, you need a speed of 3600 RPM to generate at 60Hz (3000 RPM for 50Hz).
minus-squareweker01@sh.itjust.workslinkfedilinkEnglisharrow-up0·edit-25 months agoWell depending on the torque we could use some transmission or produce at a bit above 400Hz and use large frequency changers.
minus-squareMadison420@lemmy.worldlinkfedilinkEnglisharrow-up0·5 months agoWoah we went some torque too, ≈15k happens to be a nice multiple of 3 so just gear reduce it down to 3k.
minus-squareD1G17AL@lemmy.worldlinkfedilinkEnglisharrow-up0·5 months agoSiphon off the excess into a flywheel and then use that to drive the turbine.
That’s way too fast, you need a speed of 3600 RPM to generate at 60Hz (3000 RPM for 50Hz).
Well depending on the torque we could use some transmission or produce at a bit above 400Hz and use large frequency changers.
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.