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 IMO the main idea behind FIRST is for the mentors and students to work together to produce a machine that the students could never have produced on their own. - Tim Sharp [more] |
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#13
31-01-2008, 12:03
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Re: Are any teams planning on shooting the ball?
we are generating a vacuum by the same means a shop vac would. We have been able to generate a vacuum of 26 inches of water using a multistage fan with the Fischer Price minus the gearbox. The conversion factor for vacuum is about 24 inches to 1 psi and based on the area of the cup we are using thats over 100 lbs of force on the ball. The rules specifically state that vacuums of this nature are permitted. I guess I wasn't clear in my explanation the cylinders are only for shooting the ball not pulling a vacuum. As of last night we decided to use three of the 3/4' bore cylinders to fire the ball.
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