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Unread 05-02-2017, 16:16
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DonRotolo DonRotolo is offline
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FRC #0832
Team Role: Mentor
 
Join Date: Jan 2005
Rookie Year: 2005
Location: Atlanta GA
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Re: How do you shoot so fast?

Quote:
Originally Posted by Alex Chamberlin View Post
I'm seeing a lot of shooters shooting faster than ours, so the question is how did they get PID to return so fast ( >4 balls per second).
Our team is using an 8in pneumatic wheel direct drive to a cim, and we are getting about 1.5 balls per second when waiting for PID.
Direct drive may be sub-optimal, depending on your target wheel speed. Try to have the CIM running at about 50% speed when your wheel is at full speed.

This allows the motor to have sufficient "headroom" to pour in the power when needed.

We are running a 775 at 5:1 reduction, wheel speed is about 1000 RPM* on an 8" solid wheel. Our shot doesn't go much higher than the fuel inlet (by design).

*(I may be mistaken on this value, but I don't think it is higher than 2000 RPM)
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