Backdraft silencer

[welshmikie]

I have a backdraft silencer on my rm8 varmint. But it’s not very quiet is there anyway to make it quieter thanks

[bighit]

is it hollow inside of is there baffles inside?

you could get some hair curlers and some felt pad and fit that inside if its just a hollow tube .

This type curlers




You could fit a few inside each other to make more of a baffle with the felt around the bigger one . Plus the odd washer that is close to the diameter of your pellet but with a few mm extra for alignment issues

thread here

http://www.airgunbbs.com/showthread....Empty-silencer

[Benelli B76]

Those backdrafts are for use in Scotland to warm your hands in cold weather. Fit a Weihrauch silencer, cold, but super quiet.

Baz

[welshmikie]

is it hollow inside of is there baffles inside?

you could get some hair curlers and some felt pad and fit that inside if its just a hollow tube .

This type curlers




You could fit a few inside each other to make more of a baffle with the felt around the bigger one . Plus the odd washer that is close to the diameter of your pellet but with a few mm extra for alignment issues

thread here

http://www.airgunbbs.com/showthread....Empty-silencer

Hi yep totally hollow inside so will get some felt and curlers. Thanks for the advice

[bighit]

Hi yep totally hollow inside so will get some felt and curlers. Thanks for the advice

The back draft could be mounted two ways . Nigel Allen shows it here https://youtu.be/2Bh3ddmkazc?t=2m26s

[bucketboy]

I just watched the video.

Seriously, 112dB..

I have exactly the same meter, just built a carbon shroud for .22 rapid.... 48.6dB

Bb

[lensman57]

I have a backdraft silencer on my rm8 varmint. But it’s not very quiet is there anyway to make it quieter thanks

For a back draft silencer to work properly it has to be of considerable size. Think about the usual OEM shrouds that hardly ever work and the after market fat ones that do a better job. My suggestion is also to accept an extra 5" on the end of the barrel and use a conventional silencer armed with hair curlers.

A.G

[Shedder]

The back draft could be mounted two ways . Nigel Allen shows it here https://youtu.be/2Bh3ddmkazc?t=2m26s

At about 9:22 in that video there is a close up of the breech of the air rifle - is it me or does the bore look off centre?

[bighit]

At about 9:22 in that video there is a close up of the breech of the air rifle - is it me or does the bore look off centre?

Angle of the camera I think.

[bucketboy]

At about 9:22 in that video there is a close up of the breech of the air rifle - is it me or does the bore look off centre?

The breech block is machined at an angle so the counter bore gives more of a chamferat the top.

Bb