destructdisc@lemmy.world to Fuck Cars@lemmy.worldEnglish · 6 days agoEverything eventually becomes train.lemmy.imagisphe.reimagemessage-square32linkfedilinkarrow-up1497arrow-down17
arrow-up1490arrow-down1imageEverything eventually becomes train.lemmy.imagisphe.redestructdisc@lemmy.world to Fuck Cars@lemmy.worldEnglish · 6 days agomessage-square32linkfedilink
minus-squaregrue@lemmy.worldMlinkfedilinkEnglisharrow-up34arrow-down1·6 days agoIt’s not just friction, it’s also the space per passenger (aka number of passengers relative to vehicle size). That’s why airplanes and bicycles work too, despite not being iron rolling on iron.
minus-squarefartographer@lemmy.worldlinkfedilinkEnglisharrow-up21arrow-down1·6 days agoPlanes have a historically bad record testing their friction coefficient against iron
minus-squareHasturInYellow@lemmy.worldlinkfedilinkEnglisharrow-up11arrow-down1·6 days agoUsually rather short tests.
minus-squarefrank@sopuli.xyzlinkfedilinkEnglisharrow-up12·6 days agoBikes are low friction as heck, the rolling resistance of a wheel on a road is low with that small amount of weight. So yeah, amount of machine per passenger (which in a car is often only 1 person) and amount of infrastructure it takes to support that per person
It’s not just friction, it’s also the space per passenger (aka number of passengers relative to vehicle size). That’s why airplanes and bicycles work too, despite not being iron rolling on iron.
Planes have a historically bad record testing their friction coefficient against iron
Usually rather short tests.
Bikes are low friction as heck, the rolling resistance of a wheel on a road is low with that small amount of weight.
So yeah, amount of machine per passenger (which in a car is often only 1 person) and amount of infrastructure it takes to support that per person