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1935 VH Silencer split

Posted: Sat May 06, 2017 5:46 pm
by ian.scott
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

Re: 1935 VH Silencer split

Posted: Sat May 06, 2017 5:58 pm
by simon.holyfield
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.

Re: 1935 VH Silencer split

Posted: Sat May 06, 2017 8:47 pm
by ian.scott
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