Acuspell 329 Posted March 7, 2012 Report Share Posted March 7, 2012 Like any unregged rifle, there will be a sweet spot. I had a Scorpion,it was superbly accurate for 60 shots, One of the most accurate air rifles I have had. One ragged hole at 50 yards with Defiants (!) Anyhow, we digress. I expect you over filled it and then zeroed on the filled pressure. If you fill it to 180 bar and NO MORE it will be spot on down to about 120 bar. The difference is minimal. A regulator will simply allow you to over pressurise (to 200bar) and shoot down to jst above regulator pressure (set at about 95bar ish) say 105 bar? Or 110 anyway. That is where the extra shots come from, there is no magic about it, you are protecting the hammer from the pressure of the fill and allowing it to run in air of constant pressure, that is all. Without a regulator you can get very consistent results by having good valving and well balanced springs on valve and hammer. Thatis what the Scorpion SE is,essentially it just has better valves and spring sets. I did regulate my AA410 with one of Tench's.Or rather he did! It was superb, 120 shots per fill and dead on for every one of them. He did fiddle the valves and springs at the same time, so it isn't just a matter of bolting a reg in the way and everything will be fine.The whole system has to be balanced, and that is what you pay the money for. It is quite time consuming. Once the correct recipe is found, it is easy to replicate, just like baking acake...1 of these and a couple of those...and a bit off here.....It is finding out where the best balance lies that is the clever bit, not screwing a tube with some spring washers in it onto the back of the cylinder! My Huntsman doesn't have a regulator, but it shoots superbly evenly across the fill range because the attention has been paid to the valving and spring tensions. It doesn't need a regulator.If one were fitted a few more shots from each end of a higher fill pressure would result, but you can get that by having more volume as well - more volume, not more pressure! Quote Link to post
kpr1969 7 Posted March 7, 2012 Author Report Share Posted March 7, 2012 I did a good pull through an put about 25 mags through it the other day, it had been filled during my previous plink session, (My garden is exactly 25yards so thats my zero), and had about 5 mags through so it was probably at mid sweet spot. As i racked up the mags I could noticably see the pellets dropping down to what in the end was about 2 inches below zero so I gave it a fill... I've been filling to 190 as advised by the previous owner...and then firing a mag or 2 and just checking where they were hitting, some of these pellets are dropping or going high by a good 6 inches, after a few mags I'll aim for the target and see where the pellet hit, at this stage they are usually just a few clicks out... after this the groups are exceptional bar the very odd flyer (accupels) for about 4 or 5 mags and then start slowly dropping off. My thinking is that a regulator will get rid of those 1st few mags and last 'dropping off' mags. Is this the case... or am I kidding myself? Quote Link to post
Acuspell 329 Posted March 7, 2012 Report Share Posted March 7, 2012 (edited) 4 or 5 magazines in a T10 = 40 - 50 shots. Give it 5 either end and there are your 60 good shots. You've found the sweet spot. 50 good shots. 60 if you squeeze it to the last drop! Don't forget, you only have a small volume cylinder on there. That is pretty good as it is. A regulator would give you more shots, yes, because the high pressure end of the fill can be used to full effect, an extra 30 shots perhaps?? For the cost of the regulator and fitting it (tuning the hammer spring and valve seating to suit) are those extra shots between a top up worth it to you? Personally I just keep her filled to the optimum. After 50 shots 2 minutes pumping is hardly inconvenient. Edited March 7, 2012 by Acuspell Quote Link to post
kpr1969 7 Posted March 8, 2012 Author Report Share Posted March 8, 2012 Yeah but the 1st couple of mags = 20 and the last 2 or 3 mags when the pellets are dropping and dropping so eventually your on 1.5 milldots or more holdover at 25 yards, that's approaching 50 pellets that are not hitting what I'm aiming for ... isn't 90+ shots hitting what I'm looking at better than that? Quote Link to post
zini 1,939 Posted March 8, 2012 Report Share Posted March 8, 2012 (edited) No Andy purely air rifles buddy set at 11.9 foot pounds or below. No FAC I'm sorry. Si. I know mate....was pulling your dinger Not had much to do with them tbh mate.... both mine seems good enough as they are with consistency Darryl Nothing wrong with your HW100 Darryl especially that .22 i shot the other day anyway. With 14 shots of .22 H and N Fields at 27 yards i got a group smaller than a 5p when we measured it, and it was witnessed by 2 others on here too. Blazing accuracy and more than you could ever ask of a sub 12. Si. Edited March 8, 2012 by zini Quote Link to post
Marksman 934 Posted March 8, 2012 Report Share Posted March 8, 2012 No Andy purely air rifles buddy set at 11.9 foot pounds or below. No FAC I'm sorry. Si. I know mate....was pulling your dinger Not had much to do with them tbh mate.... both mine seems good enough as they are with consistency Darryl Nothing wrong with your HW100 Darryl especially that .22 i shot the other day anyway. With 14 shots of .22 H and N Fields at 27 yards i got a group smaller than a 5p when we measured it, and it was witnessed by 2 others on here too. Blazing accuracy and more than you could ever ask of a sub 12. Si. So very true mate!! Darryl Quote Link to post
Recommended Posts
Join the conversation
You can post now and register later. If you have an account, sign in now to post with your account.
Note: Your post will require moderator approval before it will be visible.