schizoidman@lemmy.zip to Electric Vehicles@slrpnk.netEnglish · 5 days agoOttawa considering scrapping tariffs on Chinese electric vehicleswww.ctvnews.caexternal-linkmessage-square36fedilinkarrow-up1114arrow-down12
arrow-up1112arrow-down1external-linkOttawa considering scrapping tariffs on Chinese electric vehicleswww.ctvnews.caschizoidman@lemmy.zip to Electric Vehicles@slrpnk.netEnglish · 5 days agomessage-square36fedilink
minus-squareSaveTheTuaHawk@lemmy.calinkfedilinkEnglisharrow-up3·3 days agoThere is not much R&D to invest in EVs. Motors are 98% efficient and any technical advances come from battery suppliers. No transmissions, no emissions to meet, etc.
minus-squareUnderpantsWeevil@lemmy.worldlinkfedilinkEnglisharrow-up1·3 days ago Motors are 98% efficient Most electric motors are designed to run at 50% to 100% of rated load. Maximum efficiency is usually near 75% of rated load. Thus, a 10-horsepower (hp) motor has an acceptable load range of 5 to 10 hp; peak efficiency is at 7.5 hp.
There is not much R&D to invest in EVs. Motors are 98% efficient and any technical advances come from battery suppliers. No transmissions, no emissions to meet, etc.
Most electric motors are designed to run at 50% to 100% of rated load. Maximum efficiency is usually near 75% of rated load. Thus, a 10-horsepower (hp) motor has an acceptable load range of 5 to 10 hp; peak efficiency is at 7.5 hp.