Rekall Incorporated@lemm.eeM to Hardware@lemmy.worldEnglish · 8 days agoWorld's first carbon fiber metro train hits the tracks in Chinawww.techspot.comexternal-linkmessage-square2fedilinkarrow-up119arrow-down10cross-posted to: technology@hexbear.nettechnology@lemmygrad.mltechnology@lemmy.mlpublictransport@slrpnk.net
arrow-up119arrow-down1external-linkWorld's first carbon fiber metro train hits the tracks in Chinawww.techspot.comRekall Incorporated@lemm.eeM to Hardware@lemmy.worldEnglish · 8 days agomessage-square2fedilinkcross-posted to: technology@hexbear.nettechnology@lemmygrad.mltechnology@lemmy.mlpublictransport@slrpnk.net
minus-squareJohnDClay@sh.itjust.workslinkfedilinkarrow-up5·8 days agoI wonder why? Sounds pricy. If you have overhead electrical, you usually don’t need very high efficiency.
minus-squareEheran@lemmy.worldlinkfedilinkarrow-up5·8 days agoWeight is pretty much irrelevant on tracks due to the extremely low friction. You can also regeneratively break. It does not make sense.
I wonder why? Sounds pricy. If you have overhead electrical, you usually don’t need very high efficiency.
Weight is pretty much irrelevant on tracks due to the extremely low friction. You can also regeneratively break. It does not make sense.