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Aluminium tube or carbon fibre

Printed From: Kiwi Airgunners
Category: For Sale / Wanted
Forum Name: Wanted
Forum Description: Are wanting to buy something? try in here first
URL: www.kiwiairgunners.co.nz/forum_posts.asp?TID=1013
Printed Date: 23 Nov 2024 at 9:35am
Software Version: Web Wiz Forums 10.14 - http://www.webwizforums.com


Topic: Aluminium tube or carbon fibre
Posted By: Stuart
Subject: Aluminium tube or carbon fibre
Date Posted: 10 May 2024 at 11:08am
I’m after about half a meter of 25-26 diameter aluminium black anodised tube or carbon fibre 
To make barrel shroud come suppressor just wondering if anyone has anything suitable they would want to part with.
Cheers 
Stu



Replies:
Posted By: KiwiTR6
Date Posted: 10 May 2024 at 8:31pm
Hi Stu.

I just received  2 x 500mm lengths of 30mm OD carbon fibre tube from AliExpress yesterday for the same application, just under NZ$40 delivered.

Smaller sizes also available and the quality is superb if you're interested.  I purchased the 2mm wall thickness.

https://vi.aliexpress.com/item/1005006390580191.html?spm=a2g0o.order_list.order_list_main.36.76341802ZRx2Zk&gatewayAdapt=glo2vnm


-------------
FX Wildcat MK111 BT Sniper .25
FX Dreamline Classic .22
Diana Outlaw .22
Cometa Fenix 400 .177
Weihrauch HW50 .177
Crosman 2240 PCP Custom .22
Crosman 2250 PCP Custom .22
Brocock Grand Prix .22


Posted By: Stuart
Date Posted: 10 May 2024 at 9:14pm
Hi Kiwi
Not worked with carbon fibre before but would be good to see how it machines.
Are you using both lengths? I have an old bsa s10 carbine pcp with a large suppressor
On it and I want to improve looks weight and noise if possible.
Cheers 
Stu


Posted By: KiwiTR6
Date Posted: 10 May 2024 at 9:23pm
Hi Stu.

Yes that'll be fine, I don't have an immediate use for the second length which you can have for $20 plus courier.  PM me you details and I'll work out the freight cost.

Cheers


-------------
FX Wildcat MK111 BT Sniper .25
FX Dreamline Classic .22
Diana Outlaw .22
Cometa Fenix 400 .177
Weihrauch HW50 .177
Crosman 2240 PCP Custom .22
Crosman 2250 PCP Custom .22
Brocock Grand Prix .22


Posted By: Stuart
Date Posted: 10 May 2024 at 10:35pm
I will have a quick measure up in the morning just to see if it will be ok and then get back to you.
Thanks.
Stu


Posted By: Stuart
Date Posted: 14 May 2024 at 9:52am
All sorted thanks


Posted By: Pauly5
Date Posted: 16 May 2024 at 3:39am
Keen to hear how you go machining it. I use a hacksaw to cut it then mill the end to length and perpendicular. It get's fine burrs from the fibres, but a fine file or sandpaper works ok to remove them.
I suspect it will work out better if it was supported maybe with a wooden dowel.


Posted By: kruisn
Date Posted: 16 May 2024 at 10:26am
How would a person go about making a compressor for an air rifle out of carbon fibre or aluminium?
and would it make a lot of difference?
Question


Posted By: kruzaroad
Date Posted: 16 May 2024 at 10:47am
Are you talking about a compressor tank or building the the actual compressor out of it?


Posted By: kruzaroad
Date Posted: 16 May 2024 at 1:13pm
https://youtu.be/0Wj34GNI_90?si=rBo4ZpgvR4SPt99Q
Something like this?


Posted By: kruisn
Date Posted: 16 May 2024 at 2:13pm
OOOps sorry (Angry predictive text?) I meant "suppressor" as in the topic above. I was curious how to build 
one and if they were practical and useful.



Posted By: Pauly5
Date Posted: 16 May 2024 at 6:55pm
They are good for making supressors, as the tube is true and lightweight.

They do have a sharper tone, as the wall is quite thin though. I have made a few, and have just used flat washers as baffles with hair curlers supporting a felt like material. This works well enough for lower powered guns, but I don't think its efficient on higher powered guns.

I would like to try a shaped baffle insert, but you end up using a lot of material just to cut the baffle shape out of a solid bar of alu, or delrin.


Posted By: kruzaroad
Date Posted: 16 May 2024 at 7:23pm
Think to your barrel may help decide.
I've had 2 of Pauly5 suppressors.
Both carbon fiber, both went on crossman barrels, which were rather thin so the carbon fiber was great due to weight.
Definitely for the 1322 as the barrel is longer.
Read an artical or watched a video on a suppressor and the baffles were at 60" I think it was, that was because it was high power and apparently that angle took a lot of pressure away from the baffle as it wasn't flat.


Posted By: Pauly5
Date Posted: 16 May 2024 at 7:37pm
Yes, I had heard someone describe that the air hits the washers, but the angle did what you say Kruz. Definitely my next project when I get some more suitable material.


Posted By: kruzaroad
Date Posted: 16 May 2024 at 7:53pm
Should have grabbed the air chief. Could have mucked around with Drilling holes along end of barrel and making a suppressor that went length of barrel.
Its nicely wrapped up in plastic, sealed with tape and sitting in farm tip now. (I couldn't bring myself to just throw it over the bank as it was )



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