Force required to rotate spindle.

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A six sigma project is underway to reduce endbreaks in textile beaming by measuring the force required to rotate spindles. The project involves 1,000 spindles, each equipped with a wooden brake to control speed variations. The goal is to standardize the force applied by all wooden brakes. The discussion seeks recommendations for devices that can measure torque and apply a constant rotational force while tracking revolutions over time. Finding the right measurement tool is crucial for achieving uniformity in spindle operation.
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I am working on a six sigma project to reduce endbreaks in Beaming (textile). I am trying to find a device to measure the force required to rotate a spindle. There are 1000 spindles that hold packages that are transferred to a beam. Each spindle has a wooden brake that applies a force to the spindle to reduce free wheeling with variations in speed. I want to set up all spindles the same. Does anyone know how to measure the torque required to rotate the spindle?
 
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I guess I am looking for something that can apply a constant rotational force and look at how many revolutions in a certain time period. I am trying to get all the wooden brakes to apply the same force. Anybody know what device I can use?
 
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