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LOUD NOISES!!!

Discussion in 'Anything Airgun Related' started by Relgubmot, Apr 11, 2014.

  1. Relgubmot

    Relgubmot Donator

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    The business end of my BSA Super 10 mk3 (177) makes more noise than a noisy thing that's been sent back to the noise factory for making too much noise.

    I have a weirauch silencer fitted and have tried an MWSS200, which made it louder.

    Took it to my RFD who tried a couple of others (Decimeater, BSA VS) and they both made it louder.

    Chronoed it and it came back at 12.4 on magnums, did some fettling, took it to 11.8 on magnums, still just as loud.

    The next thing I'm going to try is fitting a full length barrel as I have a very short (think carbined-carbine) carbine barrel fitted.

    Any opinions? Does a longer barrel mean less shouty loudness from the business end?
     
    Last edited: Apr 11, 2014
  2. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    Are you saying it was louder with a silencer fitted??? Any of the above mods should do a good job of taming the muzzle crack right down, with a long or short barrel!
     
  3. Ichabod Armacost

    Ichabod Armacost Donator

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    Ah yes, back to phut boxes again, just don't understand it at all, air rifles only go phut quietly, why do people want 'em to go phut quieter still, lord knows what you lot would do if you had black powder burners? I had a shoot with a neighbours PCP thingy the other day, it was horrible, it didn't do owt but make a sort of fart noise, it didn't even kick not even minutely, it just went paarrrp. It felt like a dead thing in me hands. If you got a phut gun that makes a proper crack or bang I would rejoice in it and be eternally grateful!

    Ok, look, I admit I am old school, probably very old school really, but I like to shoot summat that feels like it's got some life in it.....innit.:)
     
  4. Relgubmot

    Relgubmot Donator

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    Sorry no, louder than the Weirauch. It's a hell of a lot louder with no silencer at all, but louder than previous guns I have owned such as the S200, Hatsan etc.
     
  5. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    ah yes, shooting at sensible airgun ranges without one will result in one bagged rabbit and every man and his dug running for cover:):)
     
  6. Ichabod Armacost

    Ichabod Armacost Donator

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    I like the sound of that!:cool: .......Seriously though, have you heard a "silenced" 17 HMR or .22 LR, they are much louder than a phut gun without a silencer...........How do you think those blokes get on?:)

    Just in case I get accused of trolling, I am really not, I guess I just missed out on the time all this silencing thing happened. I suppose, me not being a hunter, it's all just passed me by. I just don't understand why so many of you think an air rifle needs silencing, have I mistakenly wandered into the Noise Abatement Society forum?:) Surely I am not the only one that thinks silencing air rifles is OTT?
     
  7. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    Ok, have you tried getting someone else to shoot it for you (loaded) as you stand 30y down range? A silenced air rifle can still seem pretty loud in an enclosed space, shop, house, shed!!
     
  8. Stevie Darling

    Stevie Darling Sexual tyrannosaurus

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    Are they not shooting a bit further than 30y?
     
  9. David M

    David M Donator

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    I think if you've tried a Weihrauch and one of Matts that's about as good as you'll get it...!
     
  10. Lee67

    Lee67 Posting Addict

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    Tbh I think my r10 is rim fire loud....fitted the vc silencer and it's still got a good crack...but down range I told it's very quiet!
     
  11. Kenbarcon

    Kenbarcon Donator

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    I have to use a moderator on my permission, there are several horses which cost a lot more than any of the guns on here. So if i want to shoot one rabbit let alone a few i have to use one.
    But then again we have had this discussion before.
     
  12. Relgubmot

    Relgubmot Donator

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    OK definitely confirmed that Ichabod does not want to use a moderator..

    Moving on, longer barrel, quieter gun?
     
  13. mattyts

    mattyts Donator

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    People who want to use silencers,use them...

    People who don't, don't have one..personally I have 1 on my hunting rifle,to rule out any factors of shot noise if nothing else
     
  14. trumpetier

    trumpetier Pro Poster

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    I have always shot pcp,s in .177 but recently i aquired a s400 classic length in .22....now my 400 carbine in .177 with a AA silencer was not that quiet but in .22 with longer barrel and same AA mod.....wow what a difference. I dont no if it was the clibre change, barrel being longer or a combination of both.
     
  15. Jackroadkill

    Jackroadkill Donator

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    Possibly both, as a .22 will be more air efficient (ie, less air used to propel the pellet out of the barrel), and a longer barrel tends to be more efficient as well, so adding the two factors together means (possibly) less air blast, and therefore less noise.
     
  16. shr1mp

    shr1mp Donator

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    If its anything like an R10, with the shorter the barrel, the reg has to run at a higher pressure to acheive the same velocity out of the barrel.
    Chances are with a full length barrel you'll have to turn the reg down and it will probably be quiter.
    Note i said probably :)

    Sorry cross posted with Jackroadkill.
     
    Last edited: Apr 11, 2014
  17. Tripleteer

    Tripleteer Donator

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    I have a Weihrauch moderater fitted on my Superten and it's whisper quiet. Never actually fired it without a mod on it.
    atb Paul.
     
  18. Relgubmot

    Relgubmot Donator

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    Full length or carbine barrel?
     
  19. Ichabod Armacost

    Ichabod Armacost Donator

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    Well maybe I should have Googled a bit more, the following seems as good an explanation as any, I don't hunt, so I have no idea about them, sorry if my sense of humour and lack of knowledge offended anyone.

    ----------------------------------------------------------------------------------------------------------------------------------------------------------------

    To some people it might seem strange that you would need a silencer for an air rifle. After all, unlike firearms or shotguns, theres no explosion when you pull the trigger. So whats the point of having a silencer?

    If youve ever stood next to someone firing a springer or PCP you will hear a sharp crack from the muzzle. Thats the compressed air expanding after it has pushed the pellet out of the barrel. This can disturb the quarry youve been so careful to stalk, or if you are shooting in your backyard, it can disturb your neighbours. Both these scenarios can be avoided by fitting a silencer to you airgun.

    Silencers are also called moderators. This is because the cylindrical device that many airgunners fit to their rifle barrels moderates the sound, rather than totally silencing it. Its true to say that some moderators do a better job than others.

    For example, precharged airguns can be more effectively moderated than spring- powered airguns. Thats because most of the power developed by the action on a PCP is a small tink of the valve opening and closing. The noisy part comes when the compressed air leaves the barrel, but its relatively easy to damp this down.

    A spring gun has all the commotion of the spring expanding and crashing into the end wall of the compression chamber. It produces a medley of sound similar to a drunk staggering home through a junk yard. The only way to lessen this calamitous racket is to take your springer to a skilled gunsmith who will polish and tweak the internals to make them smoother; or buying a springer with synthetic bearings like the Air Arms Pro-Sport or Weihrauch HW97.

    You would be forgiven for thinking its only worth silencing a PCP because the noise of the internals of a springer will give the game away even if you had a moderator fitted to the end of your barrel. But what the shooter hears when he or she takes a shot is not what your quarry hears. A rabbit busy munching grass will only hear the twangs of a springer as something distant and unthreatening. The first thing he will know about your shot - if your springer is moderated - is when the pellet hits The Moderator home. Thats because the sound behind the pellet will have been muted by the moderator.

    The moderator can also make the sound directional. This is why after knocking one rabbit down another rabbit quite close by you can often take a shot at another. Apart form his mates weird break dancing, the other rabbit will be blissfully unaware of your presence because the sound of the shot was channelled so specifically to the target.

    So are moderators only of use to hunters? No. Backyard airgunners can benefit from them as well because muted shots are less likely to disturb their neighbours. In competition noisy rifle reports can disturb competitors, leading to unnecessary friction, so all airgunners can benefit from moderators.

    THE CHOICE

    There are plenty of moderators to choose from. Some are just a chamber where the air behind the pellet is allowed to expand before exiting the muzzle, thus reducing the crack. More effective ones use a series of baffles, which can be purpose-shaped metal, and plastic. One renowned silencer uses a hair curler. These baffles grab small quantities of excess air until the air behind the pellet emerges from the barrel with the wind knocked out of it.

    Whatever type and size of silencer you use make sure its a perfect fit over the muzzle and is in perfect alignment with the bore of the barrel. If the muzzle of your airgun is not already threaded, a screw on silencer is best fitted by a gunsmith, but simpler sleeve-fit designs can just slide on to the barrel and be fixed in place by tightening a grub screw. Its always best to fit a silencer before you go to the trouble of zeroing your rifle because the moderator can have a very slight effect on velocity and also trajectory of your pellet, which can push your zero out.

    The only down side of a silencer is that it can make your rifle rather long and unwieldy and this would explain the move towards carbines in recent times. However, companies like Daystate have started to develop new silencers, like the Airstream. It has some of its volume in front of the barrel and some overlapping it, which means the total volume of sound moderation is large, but because part of it fits over the barrel, it is shorter and less likely to unbalance the rifle.

    A silencer is a basic, but essential bit of kit for both hunters and back yard plinkers and they dont have to cost the earth. Prices are around 30 upwards, but because of the Violent Crime Reduction Act silencers can no longer be sold through the post, but must be bought in person.
     
  20. Trouserferret

    Trouserferret Donator

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    Longer barrel, larger calibre and effective moderation will have you a "silent" gun.

    It's all in the above post, good bit of reading. I've a Prairie that sounds like a rimfire without a mod. Stick on a Weihrauch and you wouldn't know I was there. My .22 springer is not nearly as quiet with the same mod fitted, but it's .22 yet a carbine.
     

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