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 FIRST is just a single step in a multi-step process. Rome wasn't built in a day, and neither are solutions to the world's problems. - Tim Baird [more] |
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| FIRST is just a single step in a multi-step process. Rome wasn't built in a day, and neither are solutions to the world's problems. - Tim Baird [more] |
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Needed Cylinder Math
Hi there, we did the following math and I would like to check it over because it seems a bit fishy:
We are using: 21.5" 1" PVC tube where the axis of rotation is about 1.5" from one end we believe that it is about 1 lbs total. On that axle there will be a sprocket which we currently have at 5" diameter. We plan to have the piston connected by chain to the sprocket to make a 90 degree rotation. What size sprocket/piston do we need, what pressure? We calculated that we would need a 1.5" bore piston with a 4 inch stoke at 40 PSI to have a balance (No safety factor at 40psi, up to 60psi would be our safety here), is this all correct? Last edited by Lawry Goldstein : 15-01-2008 at 17:11. Reason: Bad Spelling - :-( |
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