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 My fondest memory was asking questions about Spirit and Opportunity to a NASA scientist while dressed up in a lion suit. - Adam Y. [more] |
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| My fondest memory was asking questions about Spirit and Opportunity to a NASA scientist while dressed up in a lion suit. - Adam Y. [more] |
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#12
21-01-2010, 17:59
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Re: Dog Gear?
Isn't there 2 inherent weaknesses in a AM shifter used as a release mechanism given the forces the kicker could be putting on the dog. There is a small 3/32 pin through the dog to connect it to the internal pull shaft. If you use the air cylinder connector, it has a tiny bearing with an smaller roll pin running against it. Last I heard both pins have occasionally broken using 26lbs of pull force with a 3/4 air cylinder. Now I hear people have to use 1.5" air cylinders to trigger a release. Surely those pins are going to break.
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