Bigad 136 Posted April 4, 2015 Report Share Posted April 4, 2015 Had My trusty bsa t10 for a few years it's used weekly and I have learnt the rifle and scope and pellet combo not changed a thing for years it gets served properly by a gun smith as its a work tool for me. I was starting a new tin of pellets so as standard trip to the range to make sure its pellet on pellet zero but rather than my 55yard been 2 mill dot down it was only 1 thought it might have been a flyer so took another shot and same again got my eldest step daughter to try it too and she confirmed it too. The only thing different this time to anyother is the air I got my bottle filled up with was from a diving shop and what they said was breathing air I guess the gun shop that normally fills it up use air not fit for breathing underwater if that's possible but if this is the case should it change the trajectory of my shots. Can anyone spread any light on this Quote Link to post
clabedoo 59 Posted April 4, 2015 Report Share Posted April 4, 2015 Had My trusty bsa t10 for a few years it's used weekly and I have learnt the rifle and scope and pellet combo not changed a thing for years it gets served properly by a gun smith as its a work tool for me. I was starting a new tin of pellets so as standard trip to the range to make sure its pellet on pellet zero but rather than my 55yard been 2 mill dot down it was only 1 thought it might have been a flyer so took another shot and same again got my eldest step daughter to try it too and she confirmed it too. The only thing different this time to anyother is the air I got my bottle filled up with was from a diving shop and what they said was breathing air I guess the gun shop that normally fills it up use air not fit for breathing underwater if that's possible but if this is the case should it change the trajectory of my shots. Can anyone spread any light on this My limited knowledge of compressed air suggests that moisture will affect the density - to whit it follows that the air will be "harder" if its dry. Ask anyone who uses air tools what its like in the winter when the moisture can affect how well they work. Just a guess really but that is what could be going on - although I am happy to be corrected as always Quote Link to post
jocky 198 Posted April 4, 2015 Report Share Posted April 4, 2015 you should always and only use dried air. ether from a dive bottle or a hand pump with a filter on. if you use any other your gun will start rusting inside. what do you normly fill up with. 1 Quote Link to post
jok 3,436 Posted April 4, 2015 Report Share Posted April 4, 2015 Mate. Air is air. I've dived a lot and had a lot of my mates fill cylinders at the shop. Same air. Think about it. A compressor takes air from the air that we breath normally, compresses it and fills our tanks. Not really science. Something could be wrong with your barrels or more likely a build up in the suppressor which a lot of people don't remove and clean regularly. Worth a look at I think. Jok. Quote Link to post
moxy 617 Posted April 4, 2015 Report Share Posted April 4, 2015 Put simply No. However the temperature of the air will offer a slight variance in output. The difference I wouldn know but I remember reading that a target tart on another forum looked into it. From what I can recall the variation was marginal. Nothing to loose sleep over in the normal world If you load a consistent volume of air into a sealed space and release it. You should get the same out. As per the sweet spot or reg allows. Blah blah. I would recheck your zero. Barrel. Silencer etc. To say it's serviced regularly by a gunsmith means nothing mate. Lol. I bought a pre charged apparently serviced and tuned by one of the best. My butcher could have done better with a meat clever. Quote Link to post
Bigad 136 Posted April 4, 2015 Author Report Share Posted April 4, 2015 To be honest it's shooting better now cause it's got a flatter trajectory just seemed odd how a have always got my 3ltr bottle filled by a gunshop then when it gets done at a diving shop the gun suddenly changed the way it shoots Quote Link to post
Coypu Hunter 486 Posted April 5, 2015 Report Share Posted April 5, 2015 To be honest it's shooting better now cause it's got a flatter trajectory just seemed odd how a have always got my 3ltr bottle filled by a gunshop then when it gets done at a diving shop the gun suddenly changed the way it shoots Sounds like they banged it against something. I'd check the scope mount screws, stock screws, silencer alignment... Quote Link to post
villaman 9,982 Posted April 5, 2015 Report Share Posted April 5, 2015 Might be the new tin of pellets ,even if they are the same ones you have been using 2 Quote Link to post
Bigad 136 Posted April 5, 2015 Author Report Share Posted April 5, 2015 The zero is bang on at 30 it just seem not be dropping off as quick makes my hunting easy going out tonight will see how well I do Quote Link to post
Bunnyblatter 1,012 Posted April 5, 2015 Report Share Posted April 5, 2015 Could be a slight difference in the pellets mate You say you've started a new batch then maybe its nothing to do with the air but rather the pellets Quote Link to post
Bigad 136 Posted April 5, 2015 Author Report Share Posted April 5, 2015 Could be I use accupell my barrel loves them Quote Link to post
risingfriend 1,042 Posted April 6, 2015 Report Share Posted April 6, 2015 my first thoughts would be power change if you have not already get it over a chrono 1 Quote Link to post
treecreeper 1,136 Posted April 6, 2015 Report Share Posted April 6, 2015 as above, if its the same at zero but flatter further out you either have a more efficient or lighter pellet or your powers gone up. Quote Link to post
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