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Unread 14-12-2005, 08:36
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Doug G Doug G is offline
Coach / Teacher
FRC #0701 (Robovikes)
Team Role: Coach
 
Join Date: Dec 2002
Rookie Year: 2001
Location: Fairfield, CA
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Re: Check out our cannon bot!

Quote:
Originally Posted by greencactus3
there are solenoid ones. which would mean they are fast.... but apperently according to a link someone else posted before, those solenoids still arent fast enough. im planning to get a standard solenoid one soon. see what i can make outta it. i have some big plans for next spring.
We just used a standard off the shelf sprinkler valve that has a diaghram and is actuated by a knob manually or by a solenoid. The solenoids are supposed to operate at 24 VAC. But after some experimentation we found a single spike relay connected to just 12-13 VDC on the robot works fine. At first we thought we were going to have to configure an additional power supply, but in the end we didn't Now to rig up a motor to a compresser to charge our two large tanks - hmmm, might need a deep cycle marine battery as well.

I heard about Elk Grove's (1147) T-Shirt Launching robot at the Kings game - if you do it again let us know (not ride your coat-tails, but to promote robotics of course) we'd be happy to join you out there.
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