ysrracer
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Posts posted by ysrracer
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I'm getting in some practice for the Salt Lake City match. I'm shooting my S&W 627. .38 Short Colt, 160gr Bayou, 3gr of Clays, Starline brass, Federal SPP.
At 25 yards with two hands, all in the A zone on a USPSA target.
Strong hand at 10 yards, aiming at the center of the A, all in the A zone.
Weak hand at 10 yards, aiming at the center of the A, all six inches high, six inches right. (Think 2 o'clock on a clock face)
If I aim at the lower left corner of the A zone, all in the center.
It's obviously operator error, but what the heck am I doing wrong?
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On 3/18/2024 at 4:03 PM, 4n2t0 said:
Thanks to everyone who took the time to reply, I'll update the thread when I solve the problem.
I just had a thought. Remove the shell plate. Place an empty shell on top of the platform. Run it up.
Does it tilt in?
If the top of the platform is at a right angle to the center line of the die it shouldn't.
Next put the shell plate on without the spring and ball. Tighten it down all the way. Run it up.
Does it tilt in?
Let's remove the variables.
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14 hours ago, 4n2t0 said:
That must be it! I've been doing it right for decades, but started doing it wrong in the last 3 weeks. Problem solved!!! lol.
Obviously I'm joking, hence the smiley face. Keep us updated.
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59 minutes ago, Miranda said:
I was sitting here puzzling on this and thought here is a list of things that could directly
tilt a case or some how cause this.
bottom of case not square
schmootz in the carrier plate lifting the brass.
bent plate
broken (bent or cracked) press
bent ram
top of ram dented or deformed
detent ball or notch worn past tolerance
weak detent spring
shell plate advance not advancing properly
something moving the shell plate during stroke
die not square to press
a notch on mouth of die snagging case
are there more?
I am thinking about the advice to tighten the lock rings
of the dies with the press at the top of the stroke and with all
5 stations cased.
It is a pretty simple machine.
the problem should not be all this hard to find.
miranda
#6 Operator error?
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9 hours ago, 4n2t0 said:
No worries.
I've already loaded and shot 17gr. It felt and performed identical to 16.7gr, which was to be expected. Still no visible signs of pressure.
Next up, 17.7gr! Yahoo!
17.7 ? My book maxes out at 17 for a 158gr bullet.
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Take off the shell plate. Are the two Allen bolts that hold the platform to the shaft tight?
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On 3/12/2024 at 4:45 PM, 4n2t0 said:
Awesome, thanks. It's still a little too chilly up north for that kinda stuff.
Cheers!
I'm heading to up Fairbanks for a few weeks. I'll have to chrono it when I get back.
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Have you tried new brass? I chased a .38 Short Colt issue of crushing primers, only to finally find out it was the brass.
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12 minutes ago, 4n2t0 said:
Anywho, I'm going to load 17gr, because, well, why the hell not! lol. I'll get chrono data in the summer and update this thread at that time.
I'll chrono it on Thursday, and post it.
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54 minutes ago, Joe4d said:
Hey what manual is that a paste from ?
That's a good question. Here's another snap
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When I was a kid, I swear factory .357 was a 125gr bullet going 1425fps.
Has that changed?
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Old max used to be 17 grains, new max is 16.7.
Go figure.
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Zero to none. You're assuming every bullet is sized to exactly the same thousandth of an inch.
And you're assuming your barrel is exactly the same diameter the entire length.
Only one way to find out. Load some of each, and chrono them.
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On 3/4/2024 at 10:11 PM, Dr Mitch said:
Dillon 750. Go right to an autoindexing press. It’s much safer and faster. Don't buy a single stage press, ever, and only buy a 550 if you can’t afford a 750.
I'm thinking of learning to fly, should I start on a 747?
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Cool, it's gonna be fun !!
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7 minutes ago, Carmoney said:
(And for the record, a practiced shooter can quickly reload with the weak hand without slapping the cylinder closed every freaking time.)
I'm right handed, and hold the gun in my right hand. I load with my left hand as I would with a semi auto.
Is that a weak hand reload?
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41 minutes ago, bigdog02 said:
Small update
Went to the range - took 5 different varieties of ammo, from hot 158gr factory to my pmc 132, federal 130s.
I did everything from 6 round dumps, 1 reload 1, controlled pairs, etc.
Not a single light primer. No delayed hammer falls at all.
Very well might have been that shim binding the hammer once it became cupped.
I seem to be having issues with my trigger pull contributing all this as well. Stock main spring and a 15lb rebound, I need to be more conscious of my trigger pull.
All great input from everyone - hopefully all solved.I've found that range trips and shooting a match are two vastly different things, with vastly different outcomes.
Ymmv
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Yep, agreed. The reason I'm not winning all these Revo matches is the trigger return speed / splits
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Ok, serious reply. Every tractor mechanic with a rat-tail file thinks they're a "gunsmith". Most of them don't know what they're doing.
No offense to any actual tractor mechanics
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2 minutes ago, MWP said:
Ok- serious question. How are you wearing these parts out?
I must be doing something wrong. Other than swapping a good firing pin out for a good firing pin, I barely clean the guns.
You're just not that fast on the trigger
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Operator error
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3 hours ago, Bosshoss said:
Sorry but will have to say this is so far off that I thought I was on the S&W forum for a while.
The old forged part guns are a pain to work on as the specs are all over the place and them never having issues is hilarious as they had just as many issues as the newer guns including canted barrel that were then pinned canted.
MIM parts are heat treated to the same depth as the forged part guns and the parts are much more consistence and will last just as long as forged parts.
S&W had some bad MIM when they first started using it but got the process figured out and now it if good to go.
Please don't bring logic, reason and experience to an internet discussion
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Operator error, you're bumping the cylinder release.
Strong hand, weak hand, operator error?
in Revolver Forum
Posted
Tried? I only shoot "full gangsta" style