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scuba tank size to buy....HELP!

Discussion in 'Anything Airgun Related' started by sirok, Feb 2, 2008.

  1. sirok

    sirok Guest

    I don't know anything about these things so I'm going to have to ask you all...yet again for some advice.

    I've selected the Airwolf with the 500cc bottle...and this shop also has scuba tanks being sold....

    They only sell 7 litre tanks, although having researched the internet I know 12 litre tanks exist - for those that use tanks to refill their PCP rile...what size do you recommend and would I be better off buying it in a scuba shop. Don't want to get ripped off in an airgun shop cos I don't know what these things sell for.

    Also I presume I'l have to buy a connector or adaptor to link the two.

    Please let me know what I should buy, will I get enough from a 7 litre tank in terms or refills? That plus the adapter what sort of price should I be looking to spend??

    Cheers;)
     
  2. topcat

    topcat Posting Addict

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    Location:
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    you want 12 litre 300 bar try getting second hand as long as its got plenty of test left on it
     
  3. Buzz

    Buzz Banned

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    I wanted a 300 bar 12 ltr tank and they are available at around £250 for a new one, but when I went to get my rifles, scope and tank they only had a 7ltr, which I paid just under £200 for new. If you intend taking the tank out with you then I would say a 7 ltr tank is easier to transport and at only £2.50 to refill, I think it's economical enough. I am very lucky though due to the fact I have a dive shop only 5 minutes from home.
     
  4. topcat

    topcat Posting Addict

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    buzz he wont get many fills if using 7 litre to fill 500cc bottle but if you are close to a dive shop for refills then it wont be as bad
     
  5. a1gunner

    a1gunner Pro Poster

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    check that your dive shop can fill 300bar bottles first if they cant then its pointless spending more for a 300 bar bottle.
     
  6. Andy

    Andy Administrative Staff Member Founder

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    Yep 12L 300 bar with micro bore hose and your airwolf if new should come with an adaptor to fit onto the hose then you just snap onto your gun to fill.
    Make sure that you have a shop local that can fill to 300bar many only do 232bar.
    You also need a removable "compressed air on board" sticker/badge for when transporting your cylinder in a car. ([SIZE=-1]Legal requirement for all transporting cylinders)
    The sticker must be removed when your not transporting a cylinder.
    [/SIZE]
     
  7. anim al

    anim al Member

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    air tank

    hi m8,
    got my tank from guns international at barnsley,
    excellent shop,nice people,
    cost £200 and comes with fiittings,12l 3oobar

    al
     
  8. sirok

    sirok Guest

    thanks for all the help guys.

    I came across this online calculator which gives you an idea of how many refills you can get depending on your rifle from a given bottle

    http://www.airgun-hq.co.uk/AirgunTools/tabid/54/Default.aspx

    looks good but Ive no idea if it is reliable for a rifle pressure of 215bar it says
    i get 9 refills from 12ltr 300 bar tank,
    5 refills from a 7ltr 300bar but
    1 refill for a 12ltr 232 bar tank and a 7ltr 232 bar tank???

    guess I've a trade off to make between refills and transportation for the 7 ltr and 12 ltr.....but I'm clueless as to the physical size of each so its difficult to know.

    I've noted down the only diving shop in Luxembourg so I'll call them Monday to see if they fill 300 bar
     
  9. milo2005

    milo2005 Engaging Member

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    Location:
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    300 bar 7L,10L,12L:up::up:
     
  10. Buzz

    Buzz Banned

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    My 7ltr 300bar tank is approximately 70cm's tall including the regulator and approx. 14 cm's in diameter.

    I think the 12ltr is the same diameter but taller, so it's going to be something like 70*12/7 = 120 cm's tall.
     
  11. sirok

    sirok Guest

    Thanks a lot for the measurements of the physical tank Buzz. It gives me a good idea and I'll think it over the next few days.

    Have also more or less decided on the swivel harris bipod and the Daystate airstream III silencer for the airwolf
     
  12. Andy

    Andy Administrative Staff Member Founder

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    I got an airwolf 400cc bottle and fill to 190 bar then refill at 100bar and get 35 fills from a 12L 300 bar cylinder. :)
     
  13. sirok

    sirok Guest

    Just to let you all know, I bought today a 10 liter 300 bar tank for EUR 318...which should give me a 9 full charges:D

    Now I only have to be patient til Saturday when I'll get the airwolf!
     

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