# Torque to speed reduction ratio

• bcarver
In summary, torque to speed reduction ratio is a measure of the decrease in rotational speed that occurs when torque is applied to a system and is typically expressed as a decimal or percentage. To calculate it, divide the output speed by the input speed. This ratio is significant because it affects the efficiency of a system and plays a crucial role in mechanical systems by determining the amount of torque needed to achieve a desired speed. It can be adjusted by changing the gear ratio or using different types of gears, which can impact the performance and efficiency of the system.
bcarver
hi,I was wondering if anybody would know the following:

If I have a 200hp motor that has 600ft/lbs of torque at 1750 rpm
and reduce the speed to 190 rpm with pulleys 9.2:1 does that
give me 600ft/lbs x 9.2 = 5520 ft/lbs torque @ 190 rpms?

thanks

Yes, minus losses due to friction in the pulley system.

for your question. Yes, the torque to speed reduction ratio can be calculated by multiplying the original torque (600 ft/lbs) by the reduction ratio (9.2). This would give you a new torque of 5520 ft/lbs at the reduced speed of 190 rpm. However, it is important to note that this calculation assumes ideal conditions and does not take into account any energy losses or inefficiencies in the system. It is always best to consult with a qualified engineer or use specialized software to accurately determine the torque and speed outputs in a specific system.

## 1. What is torque to speed reduction ratio?

Torque to speed reduction ratio is a measure of the decrease in rotational speed that occurs when torque is applied to a system. It is typically expressed as a decimal or percentage.

## 2. How is torque to speed reduction ratio calculated?

To calculate torque to speed reduction ratio, divide the output speed by the input speed. This will give you the ratio of how much the speed decreases when torque is applied.

## 3. What is the significance of torque to speed reduction ratio?

Torque to speed reduction ratio is important because it helps determine the efficiency of a system. A higher ratio indicates a greater decrease in speed for a given amount of torque, which can impact the performance and overall effectiveness of a system.

## 4. How does torque to speed reduction ratio affect mechanical systems?

Torque to speed reduction ratio plays a crucial role in mechanical systems, as it determines the amount of torque needed to achieve a desired speed. A lower ratio may require more torque, while a higher ratio can result in less torque being required.

## 5. Can torque to speed reduction ratio be adjusted?

Yes, torque to speed reduction ratio can be adjusted by changing the gear ratio in a system or by using different types of gears. This can impact the overall performance and efficiency of the system.

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