Uploaded March 2024 | Updated September 2026, 1 week ago

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For some this is hard to do. Maybe it's the phone audio quality or the app setup?

Tune your belts to the right force and may the force be with you!

Looking for 29LBS tension, GT3 belts, ~114hz

https://calculator.academy/belt-tension-frequency-calculator/
GT2 6mm belt use .0083 for mass,
GT2 9mm belt use .0132
GT3 9mm use .01485

Belt tension in LBS is based on double shear or not and position of the motor pulley in reference to the base of the motor. Most motors can only take ~7lbs is single shear.
GT2 belt, 9mm spec is 9-12lbs
GT2 belt, 6mm spec is 6-8lbs
GT3 belt, 6mm spec is 15-20LBS
GT3 belt, 9mm spec is 25.5-34lbs

Using Andriod, spectroid.