Mechanics and Construction > Mechanics and Construction

motor and wheels combination

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mobz:
which is the best combination of a motor and the wheels?


120:1,
25 in*oz,   motor  (with  31.2mm (1.23in) diameter and 11.2mm wheels)
145 rpm,
5V, 88 mA

or

143:1,
43 in*oz,  motor (with  65mm (just under 2-5/8"), by 7.62mm wide(0.3")   wheels)
70 rpm,
5V, 57.6 mA

an explanation will be appreciated

Steve Joblin:
the best combination for what?  Are you trying to get speed or are your trying to get tourque?

mobz:
im trying to strike the balance between speed and torque,but too much speed will make the sensors to overshoot)

Steve Joblin:
Have you run through the calculators here... http://www.societyofrobots.com/calculator.shtml

Tsukubadaisei:
They are pretty much the same thing. From both combinations you will get about the same torque and speed, but the first is the best.

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