12-27-2012, 07:12 PM
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#21
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Quote:
Originally Posted by ithacaartist
Glenn,
I think postino's talking about two different methods, and the one with the gun at that angle in the pic would be for the scale/meter thing he's pulling it with. Loops of string around the toggle knobs and a weight that can be varied on the other end would be an entirely second method--and I think when he says barrel pointing up, it means straight up. You'd be hanging onto the barrel and dangling the weights from the toggle knobs until they rack back to the limit of the cycle. This way, gravity is doing its thing at the same angle you'd apply the force to draw the toggle back, relative to the pistol itself. One could use a fish scale or similar, one end fastened to the floor, in line with the toggle strings. Loop the loops, pull up on the barrel, and take note of the reading on the scale when the toggle moves all the way back. I guess you could do this in a horizontal setup, too; but make sure it all lines up the same way as the dead weight setup...or clamp the barrel in a padded vise and pull on the far end of the scale, etc. etc.
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Yes.
Quote:
Originally Posted by Karl
I have a 1900 AE shooter and have been following this thread with interest. I use reduced loads with light bullets in an effort to prevent damage. Regarding the method of measuring spring tension:
Would it not be more accurate and consistant to measure by inserting a soft aluminum or brass rod in the barrel and measure by pushing it against a scale?
KFS
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Sounds good to me! I don't have a scale.
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