Tread Mills

Knight Shot has limited stock @ clearance prices for all kinds of Home and Commercial Treadmills for both Gyms and Commercial use.

The importance of RPMs.

Rotations per Minute (RPMs) is really important in motor design. The relationship between continuous horsepower and RPM is torque. This is the most significant factor when determining the best suitable motor for you needs. The lower the RPM of a motor, the more torque it will have – torque being the measure of a tendency to cause rotation; in other words, the power to turn. This allows the motor to last longer. I strongly recommend a motor with an RPM rating of 4000 or lower, but never more than 5000.

This is crucial because this is where a lot of manufacturers begin to play with, and boost, the ratings above 2.5 in to the 3.5 and 4 HP range. In a lot of those cases, if we examine the plate stamped on the treadmill, you will find RPM ratings in the 7000 to 8000 range. This is how they can get away with these bloated HP rating numbers. These motors are spinning way too fast and working way too hard to last the years you should expect out of a quality treadmill. RPM tinkering is only one way in which a manufacturer can boost the horsepower rating of a treadmill.

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