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Re: Team 125 Ball Shooter Prototype!
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Originally Posted by MORT~11
We used a variable power power supply to power the motor, so the motor was running at 9Volts or 3/4 power, and there was a reduction on it to the shaft which was 2:3, so overall it was running at around 2250 rpm. The ball shot 19 ft at a 20 degree angle, so we are hoping for this weekend, to get it at 35 degrees and see how it works out for us!
Also it is a one wheeled design for simplicity, and the sheer fact that 1 is easier to prototype than 2. The wheels spinning are two of the 6" skyways side by side to give the ball 2 contact points.
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with a 6" dia wheel and 2250 rpm you exceeded the max velocity. 2250 with a 6" wheel is 58.90 ft/sec or 17.95 m/sec and the limit is 12 m/sec. 
__________________
David Kolberg
2014- Mentor Iron Giants 5069
2004-2010 Coach SBotz Team 1327
2000-2003 Mentor Team 135
2016 St. Joe District Event Winner
2009 WFA Boilermaker
2008 Driving Tomorrow's Technology
2005 Innovation in Control
2005 IRI Spirit of Indiana
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