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Unread 24-07-2014, 21:36
chrisfl chrisfl is offline
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Re: Pneumatic Restrictions & Improvments

We had a pneumatic catapult. I found a way to actuate a 2in bore, 10in stroke at the speed of a 3/4 in bore, 4in stroke. So, staying within the regulations, we had the strength of a 2in bore with the speed of a small, 3/4in bore.