Pellet testing |
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 1710 |
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Weighed 1000,4 rejected for skirt damage.
As scales only do to .00 allowing .005 either side of weight. 95% approx fell into the 1.02,1.03,1.04 grms. 1.04 definitely having more than 1.03grms but not by much. 1.02grams less than that but all close, sort of 385,290,225 Of the 5% left 8 were 1.06grams 40% 1.01gram and 60% 1.05grams. |
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 1710 |
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Turns out I got 6 tins.
He has a carton and a half left. How much is in a carton? Recons went to warehouse to have a look nothing close to the numbers I have him. Then got to the back and there they were. So Im thinking they grabed box or 2 from a differnt run/dye to fill the order. Dye 2. If you use them and want the batch number and place pm me. |
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 1710 |
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I'll get another 5 tins if he has the same run number. Waiting to hear.
I'd be quite happy to have a bigger stash of sorted hunting pellets. 400/500 be nice. |
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Pauly5
Senior Member Joined: 10 Mar 2013 Location: Titahi Bay Status: Offline Posts: 1183 |
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Great when you find a good pellet.
I remember when I was in the UK at the FT worlds, there were guys there buying trays of tins of pellets. The pellet suppliers would send them a couple different batches, then if they liked them they would buy up large, like 10,000 pellets worth.
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 1710 |
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Well I'm totally impressed.
Those are the 2 most constant weight and head size I've ever seen in tins. Working off 1.03grms as stated pellet weight. Approx 100 of 500 fell into the 1.01grm and 1.05/1.06grm weight, head size still unsorted. Of the the 400 approx left,they all fell into 1.02-1.04grm. Of that 40 odd fell into the 5.51 and 5.54mm head size. Rest were 5.52mm and 5.53mm. The later having considerably more. Clean tins half a dozen damaged. If the gun likes these I'll be stocking up on this batch number if I can. |
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 1710 |
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Other tin had a few more 1.01 and 1.05grm 2 damaged.
Rest all in that .02 to .04 with a lot falling on .03. |
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 1710 |
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Well just sorted through the first ever tin of cometa exact jumbo. .22, 1.030grams(15.90 grains)
Pretty happy with first tin. 3 shot. 4 rejected on skirt damage. 4@1.06grams 19@1.05grams 15@1.01grams So that leaves 200 approx, either .01gram above or below stated weight. Roughly 60 odd each in 1.02/1.03 grams 80ish in 1.04 grams. Thats probly the most even weight distribution around the pellet weight I've had. Be interesting to see next tin and head size. Tidy well cast pellets as well. Edited by kruzaroad - 06 Apr 2024 at 11:37am |
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kruzaroad
Senior Member Joined: 02 Jul 2022 Location: Hastings 4 now Status: Offline Posts: 1710 |
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There's a differance in density in the metal.
Drilling from behind and thinnind the walls, including the front wall. When the front wall hits and it encounters resistance and wants to stop and the mass of heavier metal behind it keeps pushing into it. It wouldn't be bonded to the alloy. I've used mercury in lead pellets the same way with a wax seal and its pretty dam impressive. But that is a heavy liquade metal and a soft metal skin. Accuracy wasn't something I tested but I imaging it would be sad over distance. You'll also see in some videos fmj leaving there jackets behind in mediums but the lead core continues. Gun and bullet tests reviews. |
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RangerPete
Senior Member Joined: 18 Apr 2023 Location: Cambridge. Status: Offline Posts: 541 |
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Kruza wrote:
Have been toying with idea of hollowing out an alloy and replacing with lead. I have a sneaking suspicion that the lead will turn into a shower of fragments as it punches through the alloy on contact with the target. I didn’t quite follow your thinking, are u talking about drilling out the front (making a hollow point, which is a bit of an oxymoron), or drilling out from the back into the skirt? With my experience from powder burning bullets that use solids made from monolothic brass, copper, and even aluminum, and different construction techniques using harder metals combined with lead, u can either use the harder metal for controlling the expansion of the lead, or u can use the lead to add weight to the alloy for penetration. If you drill out the front and make an alloy pellet into a hollow point, then fill the hollow point with lead, you will effectively have made a soft nose pellet. When fired one of two things will happen: depending on the thickness of the walls of the alloy “cup” holding the lead, they could open up, deform, and give controlled expansion of the lead as the pellet penetrates and dumps its energy into the target, (this would be perfect pellet performance), OR, the lead and the alloy will separate on impact, the lump of lead will penetrate the target and the lighter alloy pellet will penetrate less (or not at all). If you drill out the back of the pellet and fill it with lead, you have created a heavy alloy pellet, effectively a “solid”. The alloy is very hard (but not brittle) and will not deform when it hits hard bone, and with the weight of the lead pushing it, it should penetrate like a MoFo! I dont think the lead will smash through the head of the alloy pellet, u can’t use a soft metal to break through a harder metal, I think it will all hold together and just keep penetrating. My 2 cents worth. |
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Walk quietly, but carry a big stick.
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RangerPete
Senior Member Joined: 18 Apr 2023 Location: Cambridge. Status: Offline Posts: 541 |
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Testing is always very interesting.
I recon we could have a dedicated pellet testing section on the forum, under reviews - pellet testing. There should be a standard info format at the start of each review that in includes: Airgun make, model Caliber Pellet make Model Weight Muzzel velocity Distance to target Target medium. |
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Walk quietly, but carry a big stick.
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