Interesting on EBay

Back in 2004 when I first shot against the British Match Rifle team, quite a few of them had strain gauges set up on their barrels & I assumed that they had a 43 lurking over their neck of the woods somewhere.

BTW, in our terms match rifle is shot off the belly with a .308 Winchester calibre rifle at 1000, 1100 & 1200 yards, so you can expect that somewhat assertive loads were sometimes used to go the distance.

You can see the rules here: http://www.matchrifle.org/About_Match_Rifle.htm
 
Jerry H said:
I have used the 43 in the past and with the acoustic mikes, it can plot the bullet impact. I like the RSI unit much better though as it technically superior and a lot cheaper.

https://www.shootingsoftware.com/pressure.htm
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I'm bidding on it just for the acoustic target.....I already have a 43 but although Oehler promises to "service what they've sold" they're not exactly helpful, IMO they really regret having ever made the personal ballistic laboratory units.

I'm sure there's a hacker somewhere who could make me more targets, heck a couple of my own kids could do it if they had the interest.... but for me, the acoustic targets themselves are worth gold. I don't even much care about the pressure stuff. We used it, went "OK, cool, but what about (barrel tightness/ lubrication/receiver thickness/thread contact/shank diameter/barrel nutting etc etc etc)" and never bothered again.
 
Got scooped at 5 seconds from close........ "too slow joe"

I'm not too good at the ebay thang...
 
jackie schmidt said:
Heck, all I want to know is how fast they are going.
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LOL..

I've got this long-running innernet bet about bullets "going to sleep" where folks claim they own rifles which "shoot tighter groups at longer distance."

I've had graphing cards set up for 10yrs, people don't believe the data. But with acoustic targets you can measure different distances ON THE SAME BULLETS/GROUP.

Nobody can argue with that!

So my range is wired for sound........

:)
 
Really ???

Alinwa don't say that out loud over a 6mmbr, they will try to silence you. I had a load that would shoot better at 200 than 100 and no one will believe me. I have seen it with arrows, if the rest is not perfect it will come of the rest sideways but as it travels and rotates it will straighten out.
 
ebb said:
Alinwa don't say that out loud over a 6mmbr, they will try to silence you. I had a load that would shoot better at 200 than 100 and no one will believe me. I have seen it with arrows, if the rest is not perfect it will come of the rest sideways but as it travels and rotates it will straighten out.
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ebb,
I'll have to go with Al. I've heard it said but never proven that a rifle will shoot tighter groups at 200 that 100, but how? I don't know about arrows.
 
I don't know anything about arrows and very little about bullets.....but I've had a couple of barrels that were competitive at 200 and not stand a chance at 100. Sadly, you often have to shoot both yardages so it didn't matter much. Whether it was me or the rifle...it sure seemed that way!!! I used to try to figger out why that was because it appeared impossible...among other things I've encountered.
 
Wilbur said:
I don't know anything about arrows and very little about bullets.....but I've had a couple of barrels that were competitive at 200 and not stand a chance at 100. Sadly, you often have to shoot both yardages so it didn't matter much. Whether it was me or the rifle...it sure seemed that way!!! I used to try to figger out why that was because it appeared impossible...among other things I've encountered.
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So you're saying it shot smaller groups at 200 than 100?
 
Butch Lambert said:
ebb,
I'll have to go with Al. I've heard it said but never proven that a rifle will shoot tighter groups at 200 that 100, but how? I don't know about arrows.
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It's entirely possible to have more vertical at 100 than at 200.....this is how "tuning" works. The slower bullets arc higher than the faster bullets to hit the same hole at 200yds....

But this has NOTHING to do with all the nonsense about projectiles "tightening up"
 
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