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Any decent multipumps out there?

Discussion in 'Anything Airgun Related' started by Caturday, Apr 20, 2013.

  1. Caturday

    Caturday Engaging Member

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    Can anyone give me the low-down about multipumps? It seems to me like they have the benefits of a PCP, no recoil and without the disadvantages of worrying about fills. Are there any decent multishot pumps out there. Any idea why they don't seem to really have caught on?

    Cheers
     
  2. littlefeller

    littlefeller Well-Known Member

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    i once had a parker hale dragon (wish i had kept it now) single stroke pumpup, there have been a fair few on offer over the years, think the disadvantage is pumping effort. would be great to have a precharged with a small pump on the side to keep it topped up.
     
  3. anikid

    anikid Engaging Member

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    because they are low powered- around 6~7ftlbs for a lot of pumping compaired to a single stroke springer that get 12ftlbs
    thats my opinion but you have asked a good question there.
     
  4. littlefeller

    littlefeller Well-Known Member

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    my dragon was 12ftlbs, but was also a heavy gun to lug around
     
  5. littlefeller

    littlefeller Well-Known Member

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    oh yeh and you needed arms like popeye to pump it. didnt daystate do a 2 pump 12ftlbs rifle too.
     
  6. JD

    JD Donator

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    I've had this idea in my mind for quite awhile and the only person who could devolop and make it, would be John bowkett.

    I'm sure he's made something along these lines before and would ( at what cost ? ) make you one.

    A 5 mag multi shot pump up, 20 or so pumps and away you go, with 5 useable shoots under your belt, with the option of topping up at any time.

    Why this design has never reached the market place, is beyond me to reason, WHY NOT ?
     
  7. scultra

    scultra Busy Member

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    Because we have a 10mag with 10 useable under ya belt and NO NEED TO TOP UP option as you prob got another 20 under ya belt...:). JD youre a one..:up: ;)
     
  8. JD

    JD Donator

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    Self contained, I'd need to be with a reply like that,

    Bottle fed and hand me that pump, there's nothing like a self contained plonker, oh sorry I mean rifle. LOL
     
  9. littlefeller

    littlefeller Well-Known Member

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    would rust be a problem with this idea, but then again normal pumpups dont seem to suffer. seems the ideal gun, even if it just held 3 or 4 shots, some times you just need that extra despatch shot that you dont get with current pumpups, you could just top up after every shot and keep the other 3 under your belt for the unforseen
     
  10. littlefeller

    littlefeller Well-Known Member

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    here it is - daystate sportsman
    [​IMG]
     
  11. Kwhite1981

    Kwhite1981 Busy Member

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    The fx independence is also a pumper not used one but has had good reviews from what ive read apart from being a bit heavy
     
  12. JD

    JD Donator

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    No decent current pump ups in the market place ?

    The Webley rebel is abit of a fail, the Paradigm never got made, Sharps no longer available new.

    Mohawk, Dragon & Sportsman all out of production.

    £1000 for the FX inde, so it's pcp or nowt. : (
     
  13. jolo-bolo

    jolo-bolo Donator

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    Try for some of the older crosman magnums I have a 2200 magnum they puts out 11.6 with premiers on 9 pumps I never pump it over that.
    But if you want a pumper I want this one
    http://www.gun star.co.uk/Air-Rifles/English-Made-gun-for-sale-gs132500.aspx take out the space from between gun and star.
     
  14. JD

    JD Donator

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    You lend me the money, i'll let you know how it performs ; )
     
  15. El Caro

    El Caro Posting Addict

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    Its a Titan Mohawk multipump with Daystate stock, trigger and breechblock:confused::)
     
  16. El Caro

    El Caro Posting Addict

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    http://sphotos-a.ak.fbcdn.net/hphotos-ak-snc7/395064_482516061793274_999830131_n.jpg
    [​IMG]
    John Bowkett's (Official) Fan page
    Liked · 11 November 2012



    A few years ago I made up an experimental working jig for a pcp with a built in pump. This is not new for me as I developed a similar set up using Titan Mohawk components when I was a partner in that business. Because of my associations with BSA I made this working jig using a Scorpion as a base. All of the BSA model range use the Scorpion as a base since the S10 went out of production so this would have fitted in with production if the idea was accepted. The original jig was aimed at overseas markets and was therefore high powered with a 23" barrel. There is another pump up pcp on the market that works at high pressure and uses a complex and expensive to make multi-stage pump. By using a low working pressure multi-stage pumps are not required. Even the long export version I mentioned earlier worked at a low maximum of 1400psi and produced 5 shots at around 24-25 ft/lbs depending on the pellet used.
    I have been busy with development work building up my design "bank" and decided to revisit the pump pcp but as a 12 ft/lbs lighter, shorter rifle than the high power version. I reduced the barrel length to 18", the air reservoir and the maximum working pressure but kept a shot count of at least 5 equal before pumping is required to top up. This version works at 1000 psi maximum and so is very easy to pump. It actually gives six shots with a single figure spread at 11.6 ft/lbs. If all six shots are fired it then requires eight easy pumps to top up. Topping up can be at any point in the cycle. There is a pressure relief valve fitted to limit the maximum pressure and it is also a shot indicator. This is a variation and upgrade of the one I used on the Spitfire. It is exceptionally quiet to shoot, there being little in the way of muzzle blast due to a couple of factors.
    You may say why? I always try to use these working jigs in such a way as to get the maximum knowledge out of them. In this case it was used as a test bed for a variety of developments that transfer over to high pressure "normal" pcps and CO2 guns. The self regulating valving is of particular interest for me. I have to stop myself at that point otherwise I will give too much away!
    I doubt anything will come of a 12 ft/lbs pump pcp but the base it has provided for some other little developments has been very useful. They will come onto the market in existing air rifles. I wont be working with BSA under their current management so dont look there!
     
  17. JD

    JD Donator

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    Well spotted El caro, now I wonder who would have gone to the trouble of doing this transformation ?

    El caro your a wind up merchant, as you already knew didn't you, that it was JB.

    I for one would be the first in line to buy a multi pump pcp, like the kind JB talks about on his face book page if they came into prodution, although asking JB to make one on commission wouldn't be out of the question, if money allowed.
     
    Last edited: Apr 20, 2013
  18. El Caro

    El Caro Posting Addict

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    Probably, as thats off his fanpage:D.
     
  19. gedfinn

    gedfinn Busy Member

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    Last edited: Apr 20, 2013
  20. ovy4213

    ovy4213 Pro Poster

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    BAR have a Titan JB1 side lever single stroke pneumatic in .177 for £295 at the moment, looks decent.
     

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