![]() ![]() ![]() ![]() Everything you've said is perfectly fine and your practical test is well done. I'm not trying to argue or defend my product or criticize your testing. Yes you will gain or lose a point here and there, but you could statistically compensate by just choosing a larger bullet diameter for scoring. Generally the random errors that remain are just minor noise, and could go one way or the other. The random errors are the problem, and only if they are large relative to the grouping performance of the rifle. There is no valid claim for a higher score because the e-target display is what you were adjusting based on. But when you go to the target and measure the bullet holes, you will see a difference. It's invisible when you are shooting, the same for everyone, and completely irrelevant from a competition perspective, because you read the wind based on feedback. It's like having a bullet with a slightly lower BC, or a scope that adjusts 0.24 moa per click instead of 0.25, or wind flags that are slightly heavier, or scoring rings that are slightly smaller. ![]() You make corrections accordingly and get the score you deserve. It's not random, it's proportional to the wind speed, which means from the shooter's perspective, the wind seems to be ~1% stronger than it really is. When the wind blows to the right, in general the shot will be reported slightly to the right. This is likely a case of the wind distorting the shockwave in the air, something which will always be there regardless of the frame construction. I don't have an explanation for these errors, but I'm fairly confident that they are physical. At this point I use your e-target system as a tool to help my wind reading skills, with load development and do enjoy the ease of the setup and use. I am not an engineer and know very little about how they work but I am a pretty good carpenter and can guarantee that my target frame is not moving nor flexing in the strings I have posted. It is not fair to advertise this or any electronic target as being accurate to the millimeter when tested in a lab environment, we all shoot in the real world and thus we and the electronic target are subject to mother nature and more specifically the wind. I had posted this thread to get feedback from others using your system not trying to bash any system nor manufacturer. You made it very clear in our last email trail that the wind causes error with ALL open sensor electronic targets, regardless of how well the frame is constructed. The target frame is very solid and not rocking back and forth in a target carrier but mounted with very stable legs spanning 4 feet. The two screenshots I posted were shot first thing in the morning with the wind flags barely moving, hard to shoot in better conditions. These strings along with the others that I had emailed you previously show every shot with 5 stars for accuracy at the target, I believe the previous backup I emailed you showed 4 stars on only one shot. My target frame is only 4' x 4' made from half lapped 2 x 4's and have stable base that does not move nor deflect in winds under 20 mph. This is Brian and I have emailed back and forth with you right after receiving my Shotmarker. There's always a reason for errors and usually it's just the target is rocking back and forth a little bit. If you are getting variation in quality, pitch, or yaw angle, this will point to exactly the cause of the error. They should be within half a degree or so. You can export the CSV and graph the pitch and yaw angles over time. Look at the star quality of the shots (they should all be 5 stars) and look at the variation in the reported pitch and yaw angles. Open those saved strings and open the sensor monitor. These results show real world performance in the condition you were in, but without detailed accounting of these variables the results are not applicable to someone else. It's not really practical to test the system by simply shooting and posting photos because you are not really testing the system, you are testing your target frame in the conditions at the time. If you shoot on a calm day, your frame is perfectly straight, rigid, and not moving, then your results will be much better. For example, if the wind is blowing and rocking the target back and forth, it will produce some small amounts of random error. However your results may vary due to physical variables outside of its control. The sensors are precise enough to be dead nuts accurate. The system itself is accurate to within a millimeter. It's hard to line up the photo exactly and it's pretty blurry but you can sort of see some of them are off by quite a bit, but most are good. ![]()
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