I'm new to the AA S510 FAC .22 cal. Mine does just over 900 fps (32 ish fpe) with 18.1 grain JSB's. What is a typical shot count on this rifle at full power with an ES of, say, 30 - 35 fps? How much of an increase in shot count would this rifle get at about 25 fpe or 800 fps with the 18.1 gr pellets?
Here... This is what mine did with RWS Hobbys. A descending shot chart appears normal for this rifle... Disappointing in this price point. As you can see, you've got 15 shots from max fill pressure before velocity starts to fall. It needs a regulator.
Here is some data I have on mine shooting JSB 18's. 34 shots under 3% spread at 80% power. This is normally where I keep it.
Quote from: Jking on February 06, 2015, 08:51:06 AMHere is some data I have on mine shooting JSB 18's. 34 shots under 3% spread at 80% power. This is normally where I keep it.Jking, I see you have some pretty specific measurements of fill pressures. Are you using the rifle's gauge to read this or another (tank?) gauge? While I do have a chrony I've not had the time to run the tests with my AA s510 (.22 also) that you have. I've had two-feet of snow on the ground here since January. I've been filling mine to 200 bar and then shooting down to 150. Based on what I see in your graphs maybe I should be following the 180-135 routine?{ EDIT }I did find a photo of some shot strings. I plugged them into chair gun pro and got this graph. BTW this was a 30-shot string at 50% power shooting 18 grain JSBs. Because of the time of day (losing light) was not able to record the 4th magazine:
Anyone with an idea on what could be the problem wih this S510?How do we fix this to behave like the ones above?
Quote from: petkyp on February 06, 2015, 12:38:26 PMAnyone with an idea on what could be the problem wih this S510?How do we fix this to behave like the ones above?What fill pressure are you going to and what setting (power adjuster) are you using? I'm not familiar with the pellet your shooting but I'm guessing it's really light. You probably need to turn the power adjuster down, them pellets are smokin!! I'd try some JSB 19.9's or 18.1's. Adjust the gun to about 80% power and fill to 175 to 180 and see how it does.jk