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Regulator Help Please!!!!

Discussion in 'Anything Airgun Related' started by jay5488, Mar 10, 2014.

  1. jay5488

    jay5488 Donator

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    I'm looking to get some more shots from my BSA Ultra, however, the rifle itself in unregulated form is absolutely bang on the money!!
    29 shots from a 180 bar fill and they all for within a 10p piece (bench rested).
    So i was either going to fit a 320mm cylinder from a scorpion or regulate it, simple, or so I thought!! With the cylinder I need to change my moderator as I won't fit so this will end up costing me a few quid!
    So the I looked at regulators, firstly I'm not spending almost the same money again as I spent buying the rifle on a service, which I don't need as my rifle is spot on, and regulator!!
    So I've been looking at the Robert Lane regs, these look ok but I worry about drilling a hole in the cylinder as this is a pressure vessel holding up to 250 bar of air!
    Does anyone use one and need I worry about weakening the structure of the cylinder?? Does it need re testing??? Just a few questions if anyone has any answers!!

    I'm very close to flogging the lot and getting a Prosport at the moment!!!

    Cheers

    Jamie
     
  2. mattyts

    mattyts Donator

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    Have you thought about buying a larger,un regulated PCP Jamie? obviously it won't be as consistent as a regg'd gun but its just an idea....

    Also,I don't think that drilling the hole should be an issue,RL regs have had a lot of success and i'm sure if there was some safety concern,it would have been found and production ceased :)
     
  3. jay5488

    jay5488 Donator

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    I don't want to get rid of it Matty, as I was saying to you and your dad, it's a bang on rifle and it really is a case of point and shoot!! Just getting frustrated with everywhere I ring wanting to charge me over £200 for a reg fitting, I wasn't bothered about drilling the cylinder when I spoke to yourself and Steve but someone has down a seed of doubt in my head now..... Grrrrr..... LOL.....
     
  4. SW-Novice

    SW-Novice Engaging Member

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    wouldn't drilling cause not only a site for possible failure but require a recertification of the pressure vessel?
    Also wouldn't you need to strip the cylinder completely to make sure that there wasn't any debris inside.
     
  5. jay5488

    jay5488 Donator

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    I don't know??? That's why I'm asking!!
     
  6. SW-Novice

    SW-Novice Engaging Member

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    Which Ultra is it?
     
  7. jay5488

    jay5488 Donator

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    It's a single shot ultra, without MMC
     
  8. SW-Novice

    SW-Novice Engaging Member

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    latest model?
     
  9. jay5488

    jay5488 Donator

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    Yeah, bolt action without the pressure gauge!!
     
  10. Dynamite

    Dynamite Donator

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    Hi jay I've got a bsa ultra in .25!
    It's the mmc, and I got mine regged by dave welham, I now get 52 full power shots,
    well worth the £200-nick
     
  11. jay5488

    jay5488 Donator

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    I don't doubt for a minute the reg is worth it, I'm also not having a dig for the amount it Costs but rifle £320 + £200= £520 another £100 and I'd have an R10!!
    I nearly bought mine in .25, proper blokes caliber!!!
     
  12. Dynamite

    Dynamite Donator

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    Ha yea!
    learn holdover.......or miss!!
    i only use it up to 20yds with the wtc on it...great combo!
    I needed to reg mine tho as the power curve showed with 24grain pellets...on longer shots.
     
  13. terry1001

    terry1001 Major Poster

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    The Rob Lane regulators are well tried and very good and are available for diy fitting. The body of the regulator has 2 O ring seals between the high and low (regulated) pressure zones in the cylinder and the cylinder vent hole is drilled between them. The pressure in this area is normal atmospheric pressure, unless one of the O rings fails when it would leak air at cylinder or regulated pressure and alert you to the fact that a service was required.
    The air cylinder has to be removed from the rifle for fitting and the hole is drilled at this time. There are detailed videos showing all this on the Robert Lane Design YouTube channel and these are well worth a look. Robert himself is abery helpful guy.
    I have only fitted one to an air arms s410 and know nothing about the internals of bsa rifles so I can't advise you on any of the issues regarding tuning the rifle to get the best out of the regulator, you are likely to need to adjust hammer and firing valve springs. The regulator itself takes up some space in the cylinder so you can't actually get as great a volume of air into a regulated cylinder but you can fill it to the maximum fill pressure and it will give consistent results right down tho the set pressure of the regulator which is how you get more usable shots.
    I would strongly suggest you contact Rob Lane through Youtube or his ebay pages to get his advice on whether or not your rifle will benefit from having a regulator fitted.
     
  14. scultra

    scultra Busy Member

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    18.13g jsb @ 11lb..........Simples :up:
     
  15. Akita177

    Akita177 The Absolute State of Britian podcast

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    The good thing of a tench reg is it doesnt take up any room in the air cylinder which is good with the cylinder being so small and air being at a premium as it is.
    Never shot a SE(bolt action) ultra thats been regulated so cannot comment on that, though was very impressed on our old MMC Ultras it more then doubled the shot count on my .22 with zero power curve:D
    The Tench Ultra reg has proven to us to be very reliable and robust and after a tin on pellets through it very very consistent over the chrono.
    Weather its worth the cost is up to you im afraid.
     
  16. jay5488

    jay5488 Donator

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    Thanks for that guys, I spoke to rob who mentioned he is in the process of designing a smaller reg to suit the ultra so I won't lose as much air space, just waiting for the springs being delivered, as stated above I can just see the price spiralling up and away!!
    It looks like the scorpion cylinder and no moderator is the way to go from here then!!

    Thanks for the help

    Jamie
     
  17. rkr

    rkr Posting Addict

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    Get a rifle length cylinder and 28mm diameter silencer. That will give you a huge amount of shots (100+ in .22) and you can DIY it all in 15 minutes. Regulator needs higher fill pressure and those intube regulators with their expansion chamber will eat away a lot of airspace in the tube making it problematic with the short tube you have. With 200mm long silencer the airtube will be just 1-2cm shorter than the silencer.
     
    Last edited: Mar 11, 2014
  18. jay5488

    jay5488 Donator

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    I've been looking at the 325mm tube, which is almost double the length of mine now which is 170mm
     
  19. mattyts

    mattyts Donator

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    Might aswell rename it the BSA Musket :eek:
     
  20. jay5488

    jay5488 Donator

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    It's just gonna be a big ass air cylinder with a little gun on top..... Lol
     

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