Quote:
Originally Posted by Ajmalian
All sounds well and good with your research, however I do have one more little query which has a lot to do with your research. Besides the increase and decrease in weight, does diameter of the rim affect dyno figures? I mean if I was to put 22" or 24" rims,I understand I am adding weight so yes technically I should be losing HPs...but what if I had slapped on light weight 22" wheels, ones that equate to be the same or lighter than 20" wheels with tires mounted on in both cases, then what would the results be on the dyno? What do you reckon?
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Physics. If your 22s weigh the same as 20s, but the weight is concentrated farther away from the axis, it takes more torque to turn them. If they weigh less, it could take the same or less power to turn them.
It takes more power to swing a 4 foot pole with a 10 lbs weight on the end than it does to swing a 6 foot pole with a 10lbs weight on the end.