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    Vudoo V-22S Single Shot BR/F-Class Action

    Hi Rick, I don't want to derail this thread, but I wanted to make a few quick comments. Rests utilizing roller bearings have been around a long time. I personally know of at least 4 different variations over the last 40 years or so. In recent years the most popular has been the one...
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    Vudoo V-22S Single Shot BR/F-Class Action

    Yes, that's Ivan's One-Piece rest he designed and fabricated. The controls are similar to most of the rests we use, but he's incorporated some innovative features that are unlike some others. I'll leave it up to Ivan to explain farther if he wishes, because I'm not sure what he considers...
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    Aerodynamic Jump with 22lr.

    I'd be more than happy to share what I've learned with a fellow shooter. I'll see if I can send a PM to you with my email addy. I also see where we're not all that far apart. I live in Cozad, NE. Here's a pic of my tunnel shortly after it was constructed. Landy
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    Aerodynamic Jump with 22lr.

    Hey Rick, LOL....Don't applaud too hard cuz I'm self-taught in Ballistics and Statistics! Someone like say McCoy would describe my tunnel and methodology as a "Red Neck" solution for gathering data. I've spent and incredible amount of time and money in an attempt to be as good as I can with...
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    Aerodynamic Jump with 22lr.

    Hi Rick, Yes, the 1990 report by McCoy at the Aberdeen BRL is a serious study by perhaps one of the greatest ballisticians in modern times. However, as pointed out in the report, it was a "limited firing program". The small sample sizes in the testing leads to higher statistical uncertainties...
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    Aerodynamic Jump with 22lr.

    Hi orkan, Unless I were to explore some of the more esoteric and/or smaller aerodynamic forces in play such as say "Spin Drift" for example, the science involved is well proven and backed up by empirical data for predicting projectile behavior in both left and right twist barrels. For all...
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    Aerodynamic Jump with 22lr.

    Here's another example of "Aerodynamic Jump" that I did back in the winter of 2008. Two targets were placed 25 yds from the bench and were aligned with the wind perpendicular to the course of fire (+/- 15 deg's). 25 shots fired at 279 deg's followed by a second 25 shots fired at 99 deg's. 4...
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    So you think you can shoot?

    jbell, I use a combination of very sophisticated analytical and statistical software packages to quantify accuracy and precision in a ballistic testing facility I built quite a few years ago. The screenshot above is from Jeff Block's OnTarget TDS: OnTarget TDS Features and as you noticed...
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    So you think you can shoot?

    Wayne, A 695....Ouch! Is that a record low score for you? LOL I'll also bet you indeed had more fun than me. I was upside-down using a cutting torch and sledge hammer to change out a fried bearing on a 4" shaft. I'm getting to old for that kind of stuff! I had no fun whatsoever! Did you have...
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    So you think you can shoot?

    jbell, It's sometimes interesting to make comparisons of unsanctioned informal shooting against the data/scores available for the two largest BR organizations. I used your target for no other reason than the fact it's the first one posted in this thread. In this case, I've plotted the shots...
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    Gunsmithing Latest. . .

    Chad Internet down. On my phone (PITA). Got both packages & have everything. Landy
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    Gunsmithing Latest. . .

    Chad, Our latest project arrived safe and sound to my doorstep yesterday. The weather is crappy cold and we're in the middle of a snow storm today, but I may get it to my tunnel this weekend if the weatherman is correct and attempt a little preliminary testing. Thanks, Landy
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    Gunsmithing 10x custom rifle from Duboies PA

    Re: 10x custom rifle from Duboies PA To the best of my knowledge, Jerry Stiller has never had any connection to 10X Custom Rifles in Dubois, PA. http://www.10xcustomrifles.com/index.html They are two seperate manufacturers and have always been so. Landy
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    Gunsmithing Lets talk Barrel timing...curve of bore @ 12oclock

    Re: Lets talk Barrel timing...curve of bore @ 12oclock Chad’s method of finding the bore curve is essentially the same as the one Dr. Geoffrey Kolbe of Border Barrels has explained to me for an easy method of making a determination. It’s also possible to use inserts with a very small iris...
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    Gunsmithing Does this muzzle look right?

    Re: Does this muzzle look right? It’s a one piece Lothar Walther barrel threaded for a can or silencer with an approximate 0.32” counterbore. There’s no liner and the rough tooling on the crown of the counterbore will have no effect on accuracy. Landy
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    Gunsmithing 308 Win shorty remix

    Re: 308 Win shorty remix Chad, Sent an email a couple of weeks ago. Need an update please. Thanks, Landy
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