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Advice HW 97k Under Power.. Suggestions?

Discussion in 'Anything Airgun Related' started by shears20, May 25, 2015.

  1. shears20

    shears20 Donator

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    Evening Guys..

    I have recently acquired a 22. HW97k (2002) it's in good nik.. feels pretty sweet to cock. Smooth and not to bad on the recoil. Only downside is its a little low on power..

    I put it over the Combro and out of the pellets I had available H&N FTT seemed to generate the most power but still only reaching around 9.7ft/lb

    What would be the best course of action? I'd ideally like to be around 10.5ft/lb minimum..
    Also If you recommend a tuning kit what are people's opinions on the V-Mach and Welsh Willy Kits? Which one would you buy?

    Thanks for any input guys.
     
  2. 177

    177 Donator

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    We don't tend to discuss increasing power on the open forum for obvious reasons, however, a strip, degrease, debur and lube, and a new breech seal would probably buy you that little bit extra. A new piston seal may be required too, but you won't know that until you tear the gun down.

    I'd take a WW kit over V-Mach unless you need the piston seal that comes with the V-Mach kit.

    I'd take a wonky donky kit over both, given the option...
     
  3. shears20

    shears20 Donator

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    I've not heard of the wonky donky kit.. I'll look it up. Thanks for the heads up regarding discussing power increase.. Obviously makes sense.
    Apologies admin!
    I should of stated I am in no way looking to push this rifle over 12ft/lbs.. in fact I don't want to go over 11ft/lbs as I don't want to compromise the smooth function of the rifle. A happy medium of around 10.5 would be ideal.
    I'll try the things you have mention 177.
    Thanks for your advice.
     
  4. SteveO

    SteveO Top Poster

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    Try RWS Superdomes for power, these usually produce the most in testing on my springers.
     
  5. BiggaJ

    BiggaJ Donator

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    That's the first time I have read anyone mentioning... Not to talk about increasing power levels on here, suppose you learn something new everyday.

    From what I have read since becoming a member of this forum, increasing power of many different rifles and pistols have been discussed. Suffice to say, as long as the gun remains legal and taking into account whether the OP has an FAC or not.
     
  6. M5AFX

    M5AFX Donator

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    i think maybe .177 meant we dont advise people on how to increase power/modifications in open forum.

    from the forum rules,
    (Power) It is not permitted to discuss power modifications on the open forum, or decreasing power as reverse engineering leads to potential problems
     
  7. Tinbum

    Tinbum Delusions of adequacy

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    Take the spring out and roll it on a flat surface. If it's straight it's fine, just replace the seal and/or add preload.
     
  8. Jackroadkill

    Jackroadkill Donator

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    Discussion of improving performance is fine; the OP didn't ask "how can I make my rifle more powerful"; there's a subtle difference, I suppose!

    I would say that if you want to do the work yourself, get a WW kit and fit it yourself after degreasing and deburring, and re-lubricate using the products supplied with the kit. If you want to get someone else to do it, get Wonky Donky to work his magic; piston lightening, fitting a bearing, shortening the stroke, resizing the transfer port, fitting a better piston seal etc.
     
  9. shears20

    shears20 Donator

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    Thanks for all the input gents. Much appreciated. If anyone has a contact email for wonky donky could you please pm me it.. Il drop him a message see what price I'd be looking at etc.
    Thanks again guys
     
  10. Jackroadkill

    Jackroadkill Donator

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    PM on the way.
     

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