40 MM Rifled Breach Loader - Page 28 - Graybeard Outdoors
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post #271 of 276 (permalink) Old 12-03-2018, 09:44 AM
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Quote:
Originally Posted by GGaskill View Post
So who is wandering around down range in that flick?



Looks like Bigfoot!
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post #272 of 276 (permalink) Old 12-03-2018, 12:33 PM Thread Starter
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He is the second camera operator , with low light I need to get close to the target to time impact in high speed 1000 frames/sec. He was supposed get further behind the rock pile before he said ready. Video can show things you miss at the time. Won't miss it again.
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post #273 of 276 (permalink) Old 12-03-2018, 02:53 PM
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Brave spotter you have there,LOL


My projectiles are 2.4 inches long, weigh right at 1lb 11 ounces, and are of lead. I cannot find the photo of the target I shot at 100 yards a couple months back, it is on my computer somewhere and I will post it when I find it.. But the projectiles all went through perfectly clean and straight. My charge is just under 2 ounces of 1F


I did not have sights then. But two holes were touching, and the overall group if I remember right was not over around 6 to 8 inches between all four rounds. I thought that was pretty good with just aiming with the barrel. I think in capable hands it would shoot very, very well. Maybe someone with more patience and better eyes would help also.



The rounds are cast in a mold that JoeyV kindly gifted me. It has a cast in driving band around 1 /2 inch in width at the rear.


I may have covered all this before in another thread here. But I forget sometimes.,LOL
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post #274 of 276 (permalink) Old 12-07-2018, 07:04 AM
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Moose, I have been watching your video's trying figure out why it jumps so much. I had it in my mind that the tires were being compressed by recoil. Now after watching close it looks like the spade digs in and "flips" the gun up. Was that/is that normal for spades?
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post #275 of 276 (permalink) Old 12-07-2018, 09:54 AM Thread Starter
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Yes that is how spades deal with recoil , good example is the krupp 50mm.
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post #276 of 276 (permalink) Old 12-22-2018, 04:26 PM Thread Starter
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I think the bugs are out of my primer system now. With it being self ejecting it was leaving a bur on the rebound stroke. As I ground clearance on the outside firing pin it started to misfire on the 22cal primers . I set it now so the firing pins stop just clear of the primer pocket rim. With the firing pin now hitting the lip of the primer it is much more reliable .
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