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Re:torque to weight ratio?

  • Andy2640
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11 Mar 2019 18:21 #204455 by Andy2640
Replied by Andy2640 on topic Re:torque to weight ratio?

Lambert wrote:

Andy2640 wrote: "Its always power that is moving things. That's why your car doesn't accelerate through the garage wall when you torque up the wheel nuts"

Ok Busta, you can shoot me too. But that makes 0 sense to me.

EDIT: Aim for my heart please fella's. Make it quick ;-)


Ok so, power is the metric of applying force over time. Eg horse power is the amount of time it takes one horse to lift a given mass vertically over a given distance. More horses mean the same mass is moved the same distance in less time or that more mass could be moved by one horse in a greater time.

Torque is the metric of applying force over distance . Eg being able to move a given mass at a given distance hence Newton meters and pounds feet.

I can easily apply the maximum torque that a Jimny motor can directly to a wheel using a socket and breaker bar against a wheel nut but I can't apply that same force over enough time to be able to launch the car through the wall of the garage.

The motor applies its 100 Nm of torque every revolution once it's running and into it's torque curve and I can match that for one rev but the motor also performs upto 6500 revolutions a minute, I have no chance of matching that level of force over that duration.



Education is a wonderful thing. Great stuff!!

Thanks guys!

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