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BAFFLING!!(update w/ pix) #768693
03/20/19 12:35 pm
03/20/19 12:35 pm
Joined: Dec 2007
Posts: 306
Waldorf, Maryland
Tiger Dale Offline OP
BritBike Forum member
Tiger Dale  Offline OP
BritBike Forum member

Joined: Dec 2007
Posts: 306
Waldorf, Maryland
As mentioned in my original thread I sourced baffle material from LA Choppers.

https://photos.app.goo.gl/KBtodVYrG7J8PXueA

It appears to be the same or very close

https://photos.app.goo.gl/VCUD4EvBd3yCRJcK6

The material will be inserted into the original housing

https://photos.app.goo.gl/Q9NTPcsn4CNmZqap8

I plan to weld the baffle material in the housing and then secure it in the pipe with a dab of JB Weld which should hold it into place

TD

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Re: BAFFLING!!(update w/ pix) [Re: Tiger Dale] #768759
03/21/19 12:39 am
03/21/19 12:39 am
Joined: Aug 2001
Posts: 4,721
Owego, NY, USA
Mark Z Offline
BritBike Forum member
Mark Z  Offline
BritBike Forum member

Joined: Aug 2001
Posts: 4,721
Owego, NY, USA
Just food for thought, another way to secure the baffle in the pipe would be to drill a small hole in the pipe, like 1/4", then drill and tap a corresponding hole in the baffle housing. Set screw from the outside secures the baffle. Hardly noticeable if it's on the bottom or on the side facing the wheel. (I didn't just dream that up - the baffles in my Rocky megas are secured that way.)

I've been following this thread because the baffles in my Rocky megas are similarly deteriorated, and I've been thinking of rebuilding them. Only thing is, the baffles are quite long. The silencers are 24", so the baffles are around 18".


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: BAFFLING!!(update w/ pix) [Re: Mark Z] #768798
03/21/19 2:06 pm
03/21/19 2:06 pm
Joined: Dec 2007
Posts: 306
Waldorf, Maryland
Tiger Dale Offline OP
BritBike Forum member
Tiger Dale  Offline OP
BritBike Forum member

Joined: Dec 2007
Posts: 306
Waldorf, Maryland
Thanks for the thought Mark. The mufflers are original and in quite good nick. Probably 90% so I really don't want to drill extra holes. I want to use JB weld for the same reason. Conventional welding would leave burn marks in good chrome.

My baffles measure 17" long. The baffle material comes in 24" length which is what I bought.

TD

Re: BAFFLING!!(update w/ pix) [Re: Tiger Dale] #768849
03/22/19 1:06 am
03/22/19 1:06 am
Joined: Aug 2001
Posts: 4,721
Owego, NY, USA
Mark Z Offline
BritBike Forum member
Mark Z  Offline
BritBike Forum member

Joined: Aug 2001
Posts: 4,721
Owego, NY, USA
I'm going to check this out some more, and measure my baffles. I think they're 1", which size is fairly affordable. It looks like the ends on mine must be welded or braised on.


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.
Re: BAFFLING!!(update w/ pix) [Re: Tiger Dale] #768854
03/22/19 2:15 am
03/22/19 2:15 am
Joined: Aug 2001
Posts: 140
Anchorage Alaska USA
M
Mitch Offline
BritBike Forum member
Mitch  Offline
BritBike Forum member
M

Joined: Aug 2001
Posts: 140
Anchorage Alaska USA
epoxy will not last.... too much heat. +1 for the mechanical connection

Re: BAFFLING!!(update w/ pix) [Re: Tiger Dale] #769991
04/03/19 2:20 am
04/03/19 2:20 am
Joined: Aug 2001
Posts: 4,721
Owego, NY, USA
Mark Z Offline
BritBike Forum member
Mark Z  Offline
BritBike Forum member

Joined: Aug 2001
Posts: 4,721
Owego, NY, USA
Thanks for the tip Dale; I caught the fever and bought a length of that SS baffle material. Now I can rebuild the baffles in my Rocky megaphones, or "trumpets" as some like to call 'em - one of those "long time on the back burner" projects. The only snag right now is that the new material is exactly 1" o.d., and the old pipe is around 1.09", so the pieces don't fit too well, but I think my welder can make it work.
[Linked Image]


Mark Z

'65(lower)/'66(upper, wheels, front end, controls)/'67(seat, exhaust, fuel tank, headlamp)/'70(frame) A65 Bitsa.

Moderated by  Allan Gill, Jon W. Whitley 

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