3 ms·
As EVs proliferate to work vehicles we'll likely see 2spd and maybe 3spd gearboxes for the same reason trucks have multiple gear ranges. There is a point at wh
by throwaway0a5e 4y ago
As EVs proliferate to work vehicles we'll likely see 2spd and maybe 3spd gearboxes for the same reason trucks have multiple gear ranges. There is a point at which a simple high/low planetary gearset with a simple engagement mechanism has better tradeoffs than an electric motor that can operate happily and reliably throughout the entire torque/speed range you need (which is the same reason your cordless drill has two gears).