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Old 01-28-2007, 10:36 PM   #31 (permalink)
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Join Date: Jul 2006
Location: Clinton, MO

Quote:
Originally Posted by jwigum View Post
If you wanted, you could hollow out and then cap the shaft. That would reduce the moving mass.
That is probably a better way to do it as oposed to shrinking the piston area but it also brings in a few more things to puzzle over. The larger circumfrence (sp? I'm not even really trying on this one) will create more drag on the o-ring and the added cost of milling/turning could be prohibative.

Purely to argue with my preveous comment and to add another counterpoint to it - who cares, After you (towards me of course) mill out all the extra metal in the bolt, the back block, switch to an aluminum pump rod and aluminume cocking rod and cocking rod lug, then you can complain about the extra wieght from a fatter ram shaft.

Quote:
I'm sorry, but I could have sworn I just saw a pneu-assist electro pump BKO...
yup, I forgot to like to the others, this gallery should have about all my pics of it. http://www.putfile.com/organizeimages?album=23586

The pics of it on the plexy glass with the bread boards wired into it where taken when I had it up and going. That is the closest it has been to a finished project The bottom pic with the 3.5 oz tank was the first board I made for it. It was still open bolt and almost completly stock.
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