Quote:
Originally Posted by Richard Wallace
Your cannon barrel bore diameter would need to be about two feet to accept the ball -- that is about 450 square inch cross-section area. Robot rule <R82> limits working air pressure to 60 pounds per square inch. The ball weighs about 2.75 pounds.
The numbers do not appear favorable for launch.
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450*60 = 27000 lbf! I think that is quite some power, unless that is the wrong formula!
27,000 lbf would probably be enough to move a big-rig! I wonder what would happen to the ball!
Just remember: The compressor is a decent-sized motor in charge of storing a ton of energy as compressed gas. Over time, this power builds up until you have stored, for example, 100 watts of energy which you release it within a second! I think that would be:
100w*60s*60m = 360,000 watts per hour are delivered!
THAT IS DANGEROUS!
If we can transform our culture to the point where girls swoon over guys as they pull their dremel off their belt and carve some speed holes in a smooth fluid motion, I think FIRST is half way to its goal. When we get the guys to swoon over the girls for their hot moves on the 5-axis, we have won. - EricVanWyk [more] 
05-01-2014, 19:54
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