03-30-2009
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#10
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Join Date: Nov 2005
Location: Cottage Grove
Drives: Silver '02 IS300, Blue '06 Suzuki SV1000
Posts: 5,293
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Re: Electric cars = SLOW
Quote:
Originally Posted by MustGoFaster
Torque is a measure of force. It is possible to apply force with no reaction/movement. 100% TQ at 0 RPM IS correct. Hydraulic motors can do the same thing.
If they weren't able to apply TQ at 0 RPM, they would never start moving.
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Quote:
Originally Posted by Halon
Beat me to it 
Our servo motors for the refueling machines we build are a good example of 100% torque at 0 RPM. You can hang a fuel assembly off the hoist, with no brakes applied, and it will still not move. The motor has not been given a command to move, so it will apply as much torque as it neccessary so that the hoist does not move. You can hook up a hand wheel and try to crank the hoist up/down, but nope. It will apply full torque if it needs to, to hold that thing right where it is. Full torque at 0 RPM. |
I guess that's true. I didn't think about it like that!
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'02 Lexus IS300
'06 Suzuki SV1000: Back on the road and ripping hard as ever!
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