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Thread: alu or steel . or hand?

  1. #1
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    Default alu or steel . or hand?

    looking for best and safest way to refill.

    NEW TYPE alu: if something wrong will only crack first but not expode?

    steel : if something wrong will expode straight away?

    hand pump : slow and hard labour but safe. nothing will go wrong but break?


    currenty i m use a old type alu made in 1993.

  2. #2
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    Hi boondock

    I use a hand pump (FX) and although it is a bit labour intensive in the beginning after a couple of sesions it realy ain't all that bad. A lot of people are against the hand pump because of concerns regarding moisture etc. but I have felt the rifle tank getting hot when decanting from a scuba tank and IMHO think that this also could lead to moisture being trapped in the rifle. My pump has class beads and a built-in water trap (the beads catch the condensation). I bleed the pump dry about 5 times when I fill my rifle.

  3. #3
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    every one fill need release moisture for 5 times?

    what is price for fx hand pump?

  4. #4
    Sharp Shooter
    Protea FT Team '06

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    hi boondock, ive used both hand pumps and scuba tanks... They say that the hand pump is scary to use because of the moisture it builds up, but i used one for about 6/7/8 months, and i opened up the guns tank, and it was perfect... took a white lappie and ran it through there, not a hint of brown...
    So i think thats a bit Exaggerated...
    anyhow, labour is cuck... but always having air is cool, you never two low on air.... unless you have a broken arm or something....

    pumps go for about R1800

  5. #5
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    My father-in-law organised me a giant cylinder with 8kg of instrument grade air (no moisture) from Afrox - problem is I can only get 150bar out of it. Will never run out for ages though!

  6. #6
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    doesn't the diving cylinder come with burst disc? if something wrong will release the pressure instead of blow up the whole thing.

  7. #7
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    anyone have a pic of the hand pump? How long does it take to fill up your rifle?

  8. #8
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    I release the moisture often to be on the safe side, it is not compulsory. I shoot my rifle down to about 100bar and the refill. This will take me from 80 to 100 pumps to get back to 190bar and takes me about 5 to 10 min. The slower you fill the better cause if the pump gets hot more moisture will build up.

  9. #9
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    Sounds like hard work ...
    shoot for 10 minutes, pump for 10 minutes ...

  10. #10
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    say about 1 pump 1 bar. make a lot of sense. just treat it as a gym equipment rather.

  11. #11
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    erm, where did you hear about the aluminium bottles that crack before exploding in your face?

    ...

  12. #12
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    warrick said that.

  13. #13
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    Maybe there was a misunderstanding?
    A crack or fracture will become a tear that will lead to it looking like a rose, all in probably 0.000001 milliseconds.

    ...

  14. #14
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    which one should i go for? new alu/new steel/new pump?

  15. #15
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    Well I won't tell you what you should spend your hard earned cash on, but here's my opinion....

    Pump - noways I'm too old and too lazy for that.

    Aluminium - search the web for alu tanks, in spec, that have gone bang.

    Steel - it's heavy, it rusts but it lasts long specially if it's not going into salt water.

    Like I said IMO.

    ...

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