Quote:
Originally Posted by swwrobotics
We are doing a one-wheel design that uses the new six inch wheels that came in the kit of parts and a flap on the top to adjust the angle the ball comes out of.
We were just worried that a high gear ratio wouldn't have enough force to launch several balls and it would be hard to get back up to speed.
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How much compression were you putting on the ball?
Other than the fact that the tread pattern on the 2012 KOP wheels chews up the foam basketballs, any single-wheeled shooter with six inch wheels (when directly driven from a CIM) should
easily be able to shoot the balls a more than adequate distance.
Simply changing the gear ratio won't solve this problem; the real problem is probably related to ball compression, shooter hood design, and/or misalignment/binding/friction in the moving parts of the shooter.
FYI: The 2.7:1 gear ratio is what is inside the CIMulator from Banebots. There will likely be a fair amount of teams using this gearbox this year, as this gearbox makes a 775 or 500-series motor "emulate" the output characteristics of a CIM motor. This allows teams without a lot of machining resources to keep their CIM motors in their drive train and use "emulated" CIM motors elsewhere on their robot.