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#76696 01/09/08 01:56 PM
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Sidelock
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Though someof you all might find the following comaprisons of handling footprint for differing Parkers interesting.

12 ga #2 frame 34" bbls 14 5/8" LOP: 8# 1/2 oz, 6 1/4" balance to trigger, 2.40 unmounted swing, 9.95 mounted swing, and 11.77 half weight radius

12 ga #2 frame 28" dam barrels 14 3/8" LOP: 7# 15 oz, 4 5/8" balance, 1.54 unmounted, 7.72 mounted, 9.48 HWR

12 ga #1 1/2 frame 28" barrels 14 1/4" LOP: 7#, 4 1/4" balance, 1.38 unmounted, 6.55 mounted, 9.56 HWR

16 ga #0 frame 28" barrels 15 3/8" LOP: 6# 7 oz, 4" balance, 1.30 unmounted, 6.49 mounted, 9.67 HWR

20 ga #0 frame 30" barels 14 1/8" LOP: 6# 10 oz, 4 5/8" balance, 1.53 unmounted, 6.61 mounted, 10.35 HWR

Look at the influence of barrel length on balance and on swings. Look at the influence of frame size on weight.

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Uh oh....

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Hell I don't even know what all that means. I just shoot 'em.....


Destry


Out there at the crossroads molding the devil's bullets. - Tom Waits
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Rocketman, with all due respect - I'm don't know what the numbers mean other than LOP, barrel length, and weight and don't think I want to know anymore. All I care about is how it feels when mounting and swinging. I own Parkers with # 1 , 1 1/2 , 2 , and 4 frames - they all swing great - the 10ga #4 frame has very thick barrels and is quite heavy. Paul

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Great stuff there, Rocketman. Like the others though I haven't the slightest idea what the data translates to. I just pick 'em up and shoot 'em and see very little difference in any of 'em. I am often amused at our gun club observing how some shooters fret over the tinest things and feel if they can make a change of 1/8" somewhere it'll be the magic cure to their ills. For heavens sake, it's a shotgun that throws chunks of lead all over the place. Just shoot it!


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I think the peanut gallery is stumped ol'boy!
Better spell it out for us.

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Rocketman
You've discussed this engineering data before, but I didn't really look at it. The problem I'm having now is understanding the significance of the numbers I'm seeing, for instance "9.95 mounted swing" 9.95 what? What are the units and what is the significance? Is 9.95 better then 7.72? What is a half weight radius?
I agree, I did find the influence of barrel weights interesting, however without knowing how to interpret the numerical data and its ramifications I'm afraid you lost me.
Steve


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I am afraid I too don't understand the significance of the data. Different barrel weights, frame sizes, barrel lengths, I would expect to have different handling characteristics and dynamic "feel". I just acquired a 1916 No. 2 Frame DHE with 34" barrels (marked 3.5) that weigh in at 3lbs. 11.5oz; and O/A weight of 8lbs. 8/10ths of an ounce. The gun is only a few ounces lighter than my 32" Perazzi MX8 and actually feels very similar in the way it moves. Every shooter seems to have a personal preference for how a gun feels, and other than a gun being obviously muzzle heavy, butt heavy, or a dead weight in the hand, how can the data help? It all sounds very interesting, but how would I get such data if I were considering a purchase and would it be the kind of information that might affect my decision? Just curious.


"I hate rude behavior in a man. I won't tolerate it" - Capt. Woodrow Call
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I think we've beat this around before. IMHO, it's simply too much contemplation. It's like trying to apply math and statistics to sex....sure, you can do it, but why would in the world would you want to?

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Sharpsrifle,

You hit the nail on the head with your comment, "every shooter seems to have a personal preference for a how a gun feels" - i.e., how they like a gun to feel when they swing it. Rocketman's calculations allow one to quantify that dynamic "feel".

There is no "right" or "wrong" number for feel - one man may find a gun too whippy while another thinks the same gun is a "wand." The swing calculations allow you to put a number on how YOU like a gun to swing in the same way you can put a number of how much you want a gun to weigh. The units of measure aren't as important as the relative numbers.

It takes some noodling through to understand what the numbers are telling you when you first look them over, but they are useful (if you are into that sort of thing.)

I had Don swing a few of my guns on his machine last year. The numbers confirmed what my feel was telling me - i.e., I prefer a gun that take a litle more effort to swing.

Ken

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