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Bagtic has that right. And what we want is to do the minimum damage to the animal while making it not get away. And of course we want it reliably done.

I started trying to work on a terminal...

I dont know what to make of it, but google maps showed my hunting property with my new cabin and trailer there, then reverted it to before those were there. I am happy enough not to have cabin...

620 mph should be around 930 fps, just a little high for a navy, which lists at 840fps. Mebbie he was using hot loads, or light ammo for trick shooting. Wild Bill's biography was the first book I...

I hate that I can't make fun small explosives without it being a freakin felony or wmd charge. There should be a different country for people who dont need a police state. Oh.. that's why the usa...

Hmm. worked pretty well for me. perhaps you have to take a serious whack at it. Try getting a heat transfer textbook. Amazon sells them.

Thx for the cord burn rate chart. I copied it and will see...

I think it is a good question. I worked up a spreadsheet to do internal ballistics and I use it for all my loads. The basic formulations as described in quickload work quite well, and by doing a 30%...

Initial results show that doubling the weight dropped the energy by 25%. Some of that went to deforming the rear pellet that gets all the pressure.
Lowering the weight by 12% dropped the energy by...

I have trained 4 of my 5 kids on guns. They get buck bb guns at age 6. We have quite a few at this point. I tried an airsoft gun, a pistol, but the older girl just kept pointing it at the boy when...

I measured the head. The skirt is gonna expand anyway. I am gonna be bummed if there is such an 'optimal' energy weight and it's that low. Hammering momentum transfers behave like that due to the...

Its an xman ruger magnum 22. It has a .217 lead in. The pellet loading section is the tightest and it opens up past that and slides freely. The twist is 1:20, with my 50 grain bullets at 500 fps,...

OMG! That's awesome. I dont think i fully understand the cross sectional details, but I was amazed that you got good ignition down that longof a flashtube. I think I am gonna have to read this in the...

I wish they just gave the physical dimensions of the powder grains, as well as size distribution and percent air space. That would be useful to me.

Yeah the brass liner approach is a high road though expensive. I was thinking of using a bit of canvas as mold release and anti-tear wrapped around the wax dowel. Maybe t-shirt material would have...

I tested the filler primer to up-size bullets. Nope, bad accuracy. I guess the primer is just not strong enough to keep stability. As a lubricant, it was ok, and within the standard deviation of Lee...

I don't think that teaching things that work in bullet casting really requires faulty physics. It simply requires relating what is really known, with some humility.

Learning bullet casting from...

Yeah, I was thinking that pure lead, if pushed in the bore and allowed to creep anneal a skosh, would have a really stable bearing area. I am not trying to hunt anything bigger than fat squirrel with...

Bondo is polyester resin filled with talc for good sanding. Neither has a sneeze of toughness. One shot and it would go to pieces and be rattling around in the case and falling out. Even just getting...

If you only want to go up .002 on diameter to use a slightly undersize bullet, you might try something I am in testing with. A single quick coat of grey filler primer produces a thickness of about...

I wonder if all the powder IS actually burning and not just getting ejected after being heat degraded and busted up good. If you measure the powder flake sizes, what are they? I have never managed to...

Ah, awesome, some of you guys have tried it and found that casting compound shooting stress was an issue, as was sizing strain. Casting compound definatelty wont get 'stuck' in the bore at decent...

Awesome tips guys! Don't worry too much about the shooting skills. I have and shoot nearly everyday at least one of xbow, hunting bow, buck bb gun, xman pump air gun, gamo silent cat .177, 22LR, AR,...

country, yeah that is what I was wanting to do. But I dont have a lathe so would just plug the primer hole with the cut off dowel tip. I can drill out the primer hole later if some leaks in. The only...

Yeah, changing the cutting angle would fix it. And worth it if I am gonna do 50 cases or 100. Hah, and you can tell by feel it's not a standard case because it's so heavy.

Lead as casting agent... Physically it would work. How to build it? I was going to pour through the neck, start the dowel, the flip it over and home the dowel plugging the primer hole, letting the...

Haha, there are always the posters that say get expensive unavailable powder and use lots of it or just quit shooting...I struggle for a polite response. ...er, I guess thats what they do, so I thank...