1935 VH Silencer split

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ian.scott
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1935 VH Silencer split

Postby ian.scott » Sat May 06, 2017 5:46 pm

VH-fishtail-5.jpg

I was on a biking holiday in Yorkshire this week and on the first days run my CZ Vintage Replica made 316 fishtail silencer split again along the top seam.
This is the second time, obviously being a 500cc it gives the silencer quite an amount of pressure cycles. It has a Velo baffle tube welded closed at the end and to the exhaust pipe.
I'm wondering what to do to stop it splitting again after I repair it this time.
I found it was too noisy to run without any baffle.


Ian
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VH-fishtail-5.jpg
Last edited by ian.scott on Sun May 07, 2017 11:41 am, edited 2 times in total.

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simon.holyfield
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Re: 1935 VH Silencer split

Postby simon.holyfield » Sat May 06, 2017 5:58 pm

Is there any way you could use an absorbent wool rather than a baffle, reducing the pressure in the silencer? Either that or reinforce the joint with a plate - turning a butt joint into a lap joint.
cheers

Simes

'51 Square Four, '58 Huntmaster, '42 W/NG, http://ariel-square-four.blogspot.com

ian.scott
Holder of a Waxed Cotton Anorak
Holder of a Waxed Cotton Anorak
Posts: 594
Joined: Sat Jan 07, 2012 9:22 pm
Location: Oxfordshire
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Re: 1935 VH Silencer split

Postby ian.scott » Sat May 06, 2017 8:47 pm

I think some absorbent wool might help once I manage to get it welded back together ,it might cushion the expansion from the exhaust.


Ian


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