400 mile electric RV

free radical wrote:

TomD62 wrote:
... Electric motors make the same torque at 0RM as they do at full speed, 0RPM is where you really need the the HP of a ICE, not at top end, aside from hill climbing.

Incorecto ,
at 0 rpm nothing happens bc motor isnt turning,
Try 1 rpm ! :)

You can still have torque with no rotation -- torque is what starts the rotation, if you really had 0 torque at 0 rpm, you'd never start moving! Think of a beam style torque wrench, as long as you're pushing on the handle, you're imparting torque that you can measure on the scale, even if the bolt is not moving.

At 0 RPM you have 0 horsepower (since HP is the product of torque and RPM) but the instant the shaft starts moving, then you have HP.