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I will try to post a photo later , but I am challenged in that area. Start with a 3/4 in. dowel , drill 3-4 small holes at about a 15 degree angle and drive an exacto blade into it at approx 2-1/2 in. up from the base adjust with spacers and thumb tacks in butt if needed. There is a thread here some where explaining it. My first one was made by Scott Kitteredge and I have made them for 20 and 410. I will look for that thread and maybe Scott or Pete Lester will have some information.
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Pat go to youtube and ask for loading the short 10, I believe it is by Pete Lester. On the bench you will see the tool I describe. Hope this helps.
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The blade is driven into the dowel and held by friction,as you insert the tool turn it as it reaches the mouth of the shell and as it begins to cut push down and continue to turn. It is so simple and easy it defies description. The blade is narrow and at angled to a point it is a number 11. 3 or 4 small holes drilled into dowel and the blade is driven in with a hammer, gently to a depth about half way through the dowel.
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Hmmmm a few questions What are the small holes supposed to do.....?Does it start a location on the dowel where the blade is supposed to go?. I guess Im not clear on how you gently drive the blade in with a hammer and not damage the blade....you see? is it a #11 exacto blade?
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Yes it is a #11 Exacto blade I used. The holes are a starter for the blade. Please go to the first post on this thread and watch the video Pete Lester made and you will see him use and explain it. I was mistaken in saying 3/4 dowel , it is 5/8. Pete will also explain how to make an adjuster for different makes of hulls.
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#8 | ||||||
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Get a dowel that fits snug and I put a single edge razor blade in at about a 15 degree angle. The blade needs to be tapped in with a hammer. First a thin knife blade is tapped in for a little bit to get the razor started. I also drill a hole in the end and install a machine screw, say a 8-32. This can be screwed in or out to fine tune the cut. If your shell is 3.5 and you want 2 5/8, put the dowel in the shell, with a pencil make a mark on the dowel, pull it out and subtract 7/8" and make another mark. This is where the blade sits about 15 degrees from perpendicular. I put the shell in my left hand and the dowel, with my thumb on the razor, in my right hand. I've found by slightly bending the top part of the razor [ the safe side ] I can make the razor feed in for a slow cut or a fast one. You may ruin a shell or two getting the feel for everything. A cheap table model wood cutting band saw from harbor Freight would work good, be quicker, and you could forget about playing around with dowels and blades.
Ron, I never had any luck with nitro powders in the Magtechs. I believe it's because of the lack of a crimp. My Accurate gunpowder handbook has a article about the importance of a good crimp and how it effects pressures. Before I sold 300 Magtechs I tried 28grs of PB - my normal load was around 18 to 20grs. I was still getting bloopers. I believe Charlie has had some success with them. God luck to all. Paul
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Paul Harm |
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Ron, I've never had any luck with nitro powders in the Magtechs. My Accurate powder reloading booklet has an article about the importance of crimps and how they effect pressure. There isn't much resistance by gluing OS cards in compared to a fold or roll crimp. I sold 300 Magtechs after trying to get good loads with smokeless. I believe Charlie has had some success with them. Let us know if you find a way to use them with nitro powders.
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Paul Harm |
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I don't believe the fault is the hull as I have used these same brass hulls for repeated reloadings and firings of pretty heavy loads of black powder and have never cracked a hull. The shots that I fired all felt and sounded normal -- and actually seemed mild compared to the black powder loads. You would think that the fact that "there isn't much resistance by gluing OS cards in compared to a fold or roll crimp" that the pressure would be even lower than 5700 psi. So it's a mystery to me why the hulls cracked -- perhaps without sufficient resistance the pressure curve moved higher up the case? Regardless of the cause I will not be wasting any more hulls at $7.50 per using them with that load again. It would be interesting to know if anyone else has had a similar experience. At this point I think I will save the brass hulls for vintage shoots and black powder loads (which are a lot of fun to shoot) and buy a few boxes of RSTs for hunting. Maybe at some point I'll experiment with trying to increase the resistance of the over shot wad by using a thicker card more solidly glued in. But's hard to believe a crimped plastic hull offers much resistance in comparison to the force required to push the entire payload from a dead stop to 1100 fps... Maybe the article you mentioned has an explanation? Thanks again -- I'll share anything else I learn, Ron
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We lose ourselves in the things we love; we find ourselves there too. -Fred Bear |
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