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What is the major difference between a high-speed and a high-torque drill?
Wiki User
∙ 13y ago
The speed of a drill is defined as how many RPM's of the chuck.
The TORQUE of a drill is defined as how many "ft/lbs" the chuck can transfer to a drill bit.
Imagine the drill has a pulley connected to the chuck and the pulley has a radius of 1 ft. Connect a string to the pulley and see how much weight the drill can lift.
If the drill could lift 25 pounds using that 1 ft radius pulley, it is developing 25 ft/lbs of torque.
The weight may be lifted very slowly or very rapidly, depending on the RPM's of the chuck, but the torque will be determined by how much weight the drill would lift.
Both are important characteristics of a drill. If the motor is weak, the manufacturer may use gearing to provide more torque, but if the chuck is turning slowly, you won't get much work done.
If the motor is larger, the manufacturer may not need to use gearing to give you the same torque.
Wiki User
∙ 13y ago
Wiki User
∙ 10y agothe output speed is the major difference
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