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Gun power question

Discussion in 'Anything Airgun Related' started by Sparkyjon, Feb 23, 2014.

  1. Sparkyjon

    Sparkyjon Engaging Member

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    Ok this could be a quick one,

    I have a storm in .177 and a stealth in .22 , the storm has one bottle the stealth has two bottles , are all these bottles interchangeable with each other or would the .22 ones affect the power out if put on the .177 and vice versa.
     
  2. cloverleaf

    cloverleaf Super Moderator Staff Member Mod/Admin

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    Not sure about the interchangeability of the bottles, however IIRC the exhaust valves are on the bottles so swapping them around might cause changes in muzzle energy..
     
  3. Alex.mc

    Alex.mc Busy Member

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    The top hat valve assembly will be set-up for differing calibres, so you will likely get different results.
    It's possible that you might go overpower using the .177 bottle on the .22........ and underpower the .177 using the .22 bottle.

    What the differences might be I don't know as I'm no expert on Stealths, but it would be risky without chronoing to check.

    Hope this helps.
     
  4. Clubshot

    Clubshot Clubshot

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    Aware from known owners -

    Power depends on Top Hat Fitted

    Aware many have a Special Bottle - not stored in normal Gun bag -

    Reason they are number one Police Bait - as known to be easerly worked on

    BOB/R
     
  5. oliver13

    oliver13 Donator

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    What he said, the cylinders will go in either gun but the power will depend on the individual set up of the valve - there are some after market valve parts & a couple of different marks of components which muddy the waters some what, but it would be best never to get a cylinder off a .177 anywhere near a .22 rifle.
     
  6. Sparkyjon

    Sparkyjon Engaging Member

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    Ok as it goes it's the other way around .22 cylinder on a .177 , I've got a chrony here , and I know all about the top hat turning and all the mods, but am in no way interested in fac , if it's minimal difference and still legal I might just interchange them but if it's noticeable I'll have to keep them for each one. I'll probably sell the third on and just keep them set to each gun.

    Ok thanks thought I'd ask to make sure before I do anything and start chronying things I guess it's trial and error ...
     
  7. Alex.mc

    Alex.mc Busy Member

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    I guess the answer would be to fit the .177 bottle to the .22..... stick in a heavy pellet, Bisley Magnum etc. and chrono it?

    If it's over then seperate them properly and don't allow the two to be mixed up!
     
  8. Sparkyjon

    Sparkyjon Engaging Member

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    Yeah that's the plan I've got some bisleys here for that reason alone , I wouldn't use them for hunting. My main gun is the storm that's .177 and the one with only one bottle , I was hoping to have two bottles for that and one for the stealth or interchange , but I'm sure I can set the top hat for two to work on the storm and leave the stealth one set as it should be.
     
  9. oliver13

    oliver13 Donator

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    I don't think you will get them set up quite the same, but unless your chasing single hole groups at 60M it will be fine for ordinary airgunning.
    I've got a .177 Storm & a spare bottle for it that was on a .22 Stealth, I can't get them exactly matched over the chrono in FPS, but in real life it doesn't matter - if it wasn't for the date stamps you can't tell them apart.
     
  10. secretagentmole

    secretagentmole Low down, dirty and quiet...

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    On ones where the power is controlled by the bottle. On Rapids, BSA Super and R 10s and the like you can swap bottles all day long, all you will do is knacker the o ring eventually!
     
  11. Alex.mc

    Alex.mc Busy Member

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    Not wishing to hijack the thread.......... but how do you owners of both calibres feel about the two calibres? I have a Stealth in .22 with the 12" barrel. My calibre preference would be for .177(maybe .20?), but of course I have the option to go that route reletively easily.
    Do you prefer the one to the other? Or is that purely a calibre choice?
     
  12. Sparkyjon

    Sparkyjon Engaging Member

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    I prefer my storm , two reasons it's customised by me and it's .177 just my preferred calibre , the stealth is completely bog standard I like it but I'm going to use it for ratting and after dark work as it's lighter , and I've got a walnut stock and grip on my storm so if I fall there's less to damage.
     
  13. Biker_Bob

    Biker_Bob Active Member

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    I tried this a while ago, I even found it difficult to swap 22 bottles on a 22 gun.
    Since the firing valve is in the bottle you'll never get two bottles to perform exactly the same.
    I've heard about the 22/177 valve differences but I find it difficult to believe that there is a difference. In the 177 gun the hammer spring will just have more preload.
    I guess if you took the bottles apart and made sure that they had exactly the same valve arrangements and then set the top hats up with a micrometer you'd get somewhere close and probably somewhere useable.
     

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