UK Monster Owners Club Forum .: Technical :. Cans, Tyres, Brakes, etc. » Oval carbon can sleeve.

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Old 19-05-2019, 12:06 PM   #1
utopia
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Oval carbon can sleeve.

I'm looking to rebuild the carbon can on my newly restored Sil Motor exhaust.
Can anyone suggest a source for replacement oval can sleeves in carbon fibre ?

I have found round section carbon sleeves which the manufacturers claim to be flexible enough to become oval when used with oval end caps .. but I'm sceptical.
It seems to me to be rather likely that the central portion of the sleeve will want to retain its original round shape.
In lieu of finding a proper, oval shaped sleeve, does anyone have any experience of using round carbon sleeves on oval end caps ?

I suppose I could use a different sleeve material which may give me more options to get the oval shape but for now I would prefer to replicate the original carbon sleeve because the original can, though a bit battered and previously shortened, does look good on the bike.
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Old 19-05-2019, 12:55 PM   #2
Albie
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http://www.pjengineering.co.uk/products.php?cat=5
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Old 19-05-2019, 12:57 PM   #3
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http://www.pjengineering.co.uk/products.php?cat=5

Anything here worth a look or a phone call?

I have in my mind someone in Lincolnshire who does just sleeves... It'll come to me.
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Old 19-05-2019, 03:05 PM   #4
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Quote:
Originally Posted by Mr Gazza View Post
http://www.pjengineering.co.uk/products.php?cat=5

Anything here worth a look or a phone call?

I have in my mind someone in Lincolnshire who does just sleeves... It'll come to me.
These peeps perhaps?
http://www.aa16.co.uk/
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Old 19-05-2019, 05:40 PM   #5
Mr Gazza
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It was SP Engineering that I was thinking of, who are in Frome Somerset, near Lincolnshire!
They don't appear to do just sleeves?
https://www.spengineering.co.uk/
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Old 19-05-2019, 08:09 PM   #6
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These peeps perhaps?
http://www.aa16.co.uk/
Same guys I would suggest, localish as well.
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Old 23-05-2019, 08:22 AM   #7
Ezio
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Originally Posted by utopia View Post
I have found round section carbon sleeves which the manufacturers claim to be flexible enough to become oval when used with oval end caps .. but I'm sceptical.
It seems to me to be rather likely that the central portion of the sleeve will want to retain its original round shape.
I had some replacement sleeves from SP Engineering for my ovals and they were indeed round when supplied. I even phoned them up to question the fit but they assured me that's how they do it.

Mine are quite short though so I see your concern about the centers on longer ones opening up.

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Old 23-05-2019, 11:13 AM   #8
utopia
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Thanks for all your replies, chaps.
I'll have a phone round and see what the score is.

Ezio .. your feedback is very helpful .. just the sort of experience that I was looking for.
My existing can is about the same length as yours and although I intend to lengthen it a little, it will still be a few cm shorter than normal.
Maybe that will assist my cause.
Your can certainly looks fine in the pic.

I did find myself toying with a titanium sleeve which came up on ebay the other day.
But that was round too and the vendor suggested that it would easily adapt to oval endcaps.
So maybe I'm worrying unnecessarily.
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Old 23-05-2019, 11:38 AM   #9
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The only experience I have with carbon cans is with Termignoni for both Monster and 916 (same sleeve size BTW) which are oval and I can definitely say that you would not be able to deform them in any way as they are quite thick and very strong/stiff.

Other brands maybe more compliant though...?
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