Quote:
Originally Posted by Justin Shelley
I believe those are the smaller wheels, not the pneumatic. If someone is spinning that pneumatic wheel over 4,000 RPM then the are lucky they still have a wheel.
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The TechnoKats robot this year uses the pneumatic tires from AndyMark. I think the operator typically calls for 3000 RPM, but it can go to 5000 on command without trouble.
Quote:
Originally Posted by Ian Curtis
I think many people are running tires at 1:1 off a CIM and just assume they are getting close to a no-load free speed. If they were to put a tachometer on it I bet they would find their true rotation rate is significantly slower.
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The final output wheel on the TechnoKats shooter has a Spinbox in "overdrive" configuration on a MiniCIM motor. It definitely exceeds 5600 RPM when run full power (the cRIO stops getting a good signal from the encoders above that rate).
The wheels are well balanced (though there is still enough vibration to matter) and there is a shield in place to keep debris from flying out if something comes apart at speed.