Determine the torque of a driver if driven is known

  • Thread starter leeu56
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In summary, the conversation discusses the use of two angle drives to determine the required input torque for a driver wheel with a diameter of 6 meters and an expected rpm of 4. The drives are set at ratios of 40:1 and 10:1, with the driven side producing 1600 rpm at 3,300nm. The required input torque on the driver side can be determined by multiplying the torque at the driven end by a factor of 400, accounting for potential friction losses. The speaker expresses surprise at the high amount of torque required.
  • #1
leeu56
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I have a driver wheel at 6 meters diameter, expected Rpm=4, Torque=?,

Using two angle drives, at ratios of 40:1 and 10:1 inline (in>4rpm x 40=160rpm>out) & (in>160rpm x 10=1600rpm @3,300nm) driven side,

Can somebody please help to determine the required input torque on the the driver side
 
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  • #2
If the rpm goes up by a factor of 400 due to gearing, the torque must decrease by a factor of 400. Therefore if you somehow measure 3300 nm at the driven end, the torque of the driver is 400*3300 nm. However, this assumes there are no friction losses in the gearing. The driving torque will be greater than 1320000 nm due to the losses.
 
  • #3
Well that puts my nose out of per-portion, thank you for your reply
 

FAQ: Determine the torque of a driver if driven is known

What is torque and how is it related to driving?

Torque is a measure of the rotational force applied to an object. In the context of driving, torque is what allows a driver to accelerate and maintain control of a vehicle.

How is the torque of a driver determined?

The torque of a driver is determined by calculating the product of the driver's force and the distance from the driver's hand to the center of rotation, known as the moment arm.

What units are used to measure torque?

Torque is typically measured in units of newton-meters (N*m) or foot-pounds (ft*lbs).

How does knowing the torque of a driver impact vehicle performance?

Knowing the torque of a driver can help determine the maximum acceleration and turning capabilities of a vehicle. It can also aid in understanding how much force is needed to maintain control of the vehicle in different driving situations.

Can the torque of a driver be changed?

Yes, the torque of a driver can be changed by altering the force applied or the distance from the hand to the center of rotation. This can be done through changes in the gear ratio, weight distribution, or other mechanical adjustments.

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