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Hello Solo1, this testing machine is only for viewing the pellet. The pellet has not been polished. The testing machine rotates round. The hollow turns eccentrically. The two cones are out of round. The pressing tool is slightly displaced, therefore the cones are slightly displaced. You can...

You can measure and weigh and after sorting all pellets are the same. You will not find the cause for good or bad precision this way. And now, look and think. NoLimits

Hello @all, hello okieairgunner. I'm sorry I'm not on this forum often. I keep having questions about what I use to check the symmetry of the pellets. A few years ago I developed a device to check the concentricity of the Hollo era. But only for Cal.177 pellets. It's fine for flat head match...

Hello. Weighing the pellets is a quick and easy test. Same weight equals same volume, but unfortunately not the same shape. And this is the problem. A mechanical imbalance or an aerodynamic asymmetry can be present with the same weight. Weighing only slightly improves the accuracy and flyers are...

Hi there, Please excuse my late news. I have a lot of work to do right now. I'm preparing for the German shooting championships (supported rest shooting). Thanks for your interest. The test device (the test method) was developed mainly for Olympic disciplines for caliber .177 (flat head...

Hello BackStop, I answer with some uncertainty. I have really done a lot of tests with symmetrical and unsymmetrical pellets. Fackt is, the unsymmetry (unbalance) can not be eliminated by different speeds. An unbalanced pellet remains an unbalanced pellet. Just as an unbalanced car tire remains...

Hello Strever, that's a good question. Normally, only flat-head pellets and some short round-head pellets are tested. The length of these pellets still have a good relationship to the calibre dimension and the clamping sleeve. Here are a few examples with flathead and roundhead pellets. ...

Hello. The eccentricity of hollow or head are different for flat head and round head pellets. With round head pellets, the skirt can also be eccentric, but the head is heavier. Therefore, I rather check the head, but this is more difficult to assess. With AA and JSB pellets, the eccentricity...

@bandg I agree that sometimes weighing still makes sense. Same weight means same volume. Different weight means different volume. But how displaced the shape of the bead is (given the same weight) cannot be determined by weight, only by symmetry. @steve123 There is a little problem there. My...

Hello, today I make the last step. I'll show you the most common mistake that can cause poorer precision or a flyer with pellets. If the head of the pellet is bad, the hit is also bad. More precisely, it is the eccentricity or the concentricity of the pellet head. A good pellet. A bad...

Hello, step by step we work our way from the back to the front to the head. Today I'll show you the shifted cones. This defect is not present in all makes. AA and JSB pellets rarely have this defect. That's it for today. Next time I will show you what to look for in AA and...

Hello, thank you for your interest. Today I would like to go a little step further. (I will show you my test machine a little later. Have a little patience.) First, I would like to show you a real example of a pellet with a slanted rear end. This does not happen often, but even with premium...

Hallo, I live in Germany. Sorry I do not speak English well. Reading works better. That's why I like to read in this forum from time to time. I shoot air rifle and air pistol in .177 caliber for many years. I like to share my experience and knowledge that some European sport and benchrest...

Hello, I apologise for my late reply. I've done a little research. For the small trader, it is not expedient to ship test tubes and heavy packages to the USA. Shipping costs, customs papers and long warehousing are too costly. It would be better to find a general importer of pellets in the...

Hi there. As I said, I don't sort by shape defects. The problem is. If a pellet has shape defects, experience has shown that the whole can or the whole lot has this defect. Many shooters do an ammunition test first. Experience shows that good ammunition does not have this shape shift, or only...

Yes I can. It is not the way to sort pellets. But it is a good way to show the shape defects.

Hello, and thanks for the attention. Today we will take a closer look at the waist. Did you see it in the last example ? The edge of the waist changes back and forth. H&N Baracuda I will show you a weak example. H&N Trophy The corner of the waist changes a little. You can also see...

nomojo65, that is correct. In the second example, the Hollow needs a good look. 😉 Today, two other extreme examples. From a very bad pellet and from a very good pellet. H&N Baracuda: JSB (AA) Exact Here, too, rotation shows us the difference. Many good and bad factors are...

Hello from Germany, Sorting by looking is good. But the rotation shows the difference. The hollow of a cheap pellet The hollow of a JSB pellet The hollow of another JSB pellet Do you see the difference? NoLimits