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Thread: Spring Gun Tuning

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  1. #1
    Join Date
    Aug 2011
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    Thornlands
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    33

    Hw99s

    Just purchased my first ever air rifle, and it's twangy. Any ideas on how to fix this. Also is a silencer a good add on to get? Can anyone suggest a good silencer to fit the weihrauch hw99s. Should I shorten to carbine length? Sorry for all the questions I'm new to this.
    Any help will be appreciated

  2. #2
    Hsing-ee's Avatar
    Hsing-ee is offline may also be employed in conjunction with a drawn reciprocation dingle arm, to reduce sinusoidal repleneration
    Join Date
    Dec 2001
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    Glasgow
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    Quote Originally Posted by Goodguyj View Post
    Just purchased my first ever air rifle, and it's twangy. Any ideas on how to fix this. Also is a silencer a good add on to get? Can anyone suggest a good silencer to fit the weihrauch hw99s. Should I shorten to carbine length? Sorry for all the questions I'm new to this.
    Any help will be appreciated
    Read the first post on this thread, this tells you how to do a simple tune which will help reduce twang. The other things you can do are fit a piston sleeve (discussed near the top of the thread) and/or fit a custom spring/guide kit.

  3. #3
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    Tuning guide

    This is the best Tuning Guide that I have found on the net,you will need to translate.

    http://www.co2air.de/wbb3/index.php?...47091&pageNo=1

    look at the pictures before you translate or the translator will block them

  4. #4
    Hsing-ee's Avatar
    Hsing-ee is offline may also be employed in conjunction with a drawn reciprocation dingle arm, to reduce sinusoidal repleneration
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    Quote Originally Posted by shootingmad View Post
    This is the best Tuning Guide that I have found on the net,you will need to translate.

    http://www.co2air.de/wbb3/index.php?...47091&pageNo=1

    look at the pictures before you translate or the translator will block them

    Problem is that you need a translator to translate the translation -

    'Are we then about how we optimize the disassembled parts, complement and re-assemble. chip flow-locking optimize here only briefly, as already discussed in a separate thread . -The chip flow is allowed to transmit on its grid at runtime no forces on the run, as they deform the barrel minimal, which, however, because of the enormous "lever arm" makes the target distance noticeable. - The chip flow must be at always the same in his record run engage, otherwise changes the "jumping" of the rifle by the bounce shock. It is therefore a much softer spring is used, thereby also the arresting and releasing the chip flow proceeds much easier and more enjoyable, and it is sharpened, the front end of the mandrel - slightly smaller in diameter, slightly rounded, a little smoother.'

    I think my tuning guide is a bit easier to follow! Perhaps you are fluent in German and can understand the original.

  5. #5
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    Aug 2011
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    Thornlands
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    My once twangy weihrauch HW99s is now as quiet as a mouse, Thanks to Steve Pope for the V-Mach Kit and a massive thanks to UkNeil for fitting it for me. It now shoots a dream.

  6. #6
    Join Date
    Oct 2011
    Location
    Liverpool
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    Great guide I've got an old BSA Meteor that needs a good clean so I'll give it a go!

  7. #7
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    Nov 2011
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    Des Moines, Iowa, USA
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    That's a gem. Worth translating by all appearances.

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