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View Full Version : Electric cars = SLOW


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Constant_Project21
03-29-2009, 02:00 PM
Heres a electric dsm http://www.youtube.com/watch?v=xbDo4ugXm8g
that thing looks mint for have 192k

Kevin 1G Drummer
03-30-2009, 01:33 AM
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.

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!

slowbubblecar
03-30-2009, 06:43 PM
That car is probably faster than most of the cars on this site...

DoughtCom
03-30-2009, 06:54 PM
that thing looks mint for have 192k

It's from Dallas it looks like :) No salt son.

john
03-30-2009, 11:46 PM
Iceminion - Check out the Tesla Roadster.

I would love to get behind the wheel of that "slow" electric car.

john
03-30-2009, 11:48 PM
That car is probably faster than most of the cars on this site...

No shit, it runs.

Pushit2.0
03-31-2009, 12:20 AM
You can not have HP with out RPM but yes you can have OMG torque w/o rpm. There is an electric drag bike that was close to what its ICE counter part did in the 1/4 mile.

~John

Febo
03-31-2009, 12:35 AM
no shit, it runs.

lmao!!!!!