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#16
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Re: Throwning the ball over the over Pass
Cd = 0.1 for Reynolds number ~666k (10m/s)
http://simscience.org/fluid/red/reynolds.html Turn CD into a Force at velocity x by using info from here: http://en.wikipedia.org/wiki/Drag_coefficient Extra credit Integrate air drag loss to peak of trajectory and you get an idea of how many joules extra kick to give it vs doing this in a vacuum. Regards Frank |
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#17
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Re: Throwning the ball over the over Pass
Quote:
"Storage achieved by deformation of ROBOT parts. Teams must be very careful when incorporating springs or other items to store energy on their ROBOT by means of part or material deformation. A ROBOT may be rejected at inspection if, in the judgment of the inspector, such items are unsafe." It is probably safe to assume that a robot which stores enough energy with steel springs, latex tubing, etc. to throw a track ball over the overpass might have trouble passing inspection because of the safety issue of, for example, the possibility of releasing this energy suddenly into someone's head. |
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