flango to Technology@lemmy.worldEnglish · 8 hours agoDonut Lab's New Motor Brings Power to the Wheel Hubspectrum.ieee.orgexternal-linkmessage-square11fedilinkarrow-up189arrow-down12file-text
arrow-up187arrow-down1external-linkDonut Lab's New Motor Brings Power to the Wheel Hubspectrum.ieee.orgflango to Technology@lemmy.worldEnglish · 8 hours agomessage-square11fedilinkfile-text
minus-squareJWBananas@lemmy.worldlinkfedilinkEnglisharrow-up17arrow-down2·7 hours agoYay, more unsprung weight! 🙄 Meanwhile in South Korea… https://youtu.be/Nd6C0y8xc20
minus-squareIlovethebomb@lemm.eelinkfedilinkEnglisharrow-up1·edit-236 minutes agoIsn’t that exactly the same idea though? The motor is now on the chassis, but the reduction gear is still a lot of weight. Race cars have gone as far as having inboard brakes to reduce unsprung mass, moving the gearing out to the wheel is silly.
Yay, more unsprung weight! 🙄
Meanwhile in South Korea…
https://youtu.be/Nd6C0y8xc20
Isn’t that exactly the same idea though? The motor is now on the chassis, but the reduction gear is still a lot of weight.
Race cars have gone as far as having inboard brakes to reduce unsprung mass, moving the gearing out to the wheel is silly.