Re: diamond stacks

Doc Wrote:
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> Thank you Gentlemen: The pictures I have been
> able to review fail to demonstrate any rivet lines
> as in Chris' picture. The original blueprints do
> not state if the stack is to be riveted,
> welded/soldered or lapped. I have wondered if
> there was a single row of rivets along the rear of
> the stack, so as to hide the rivets for aesthetic
> purposes.
> In my "model", (4" scale ) I hope to use a round
> pipe (about 4" diameter) as the solid stack and
> place the sheetmetal diamond stack over it,
> allowing me to alter appearances to my taste.


Check out Cass. That line uses that same basic style of spark arrestor, and the seams are also difficult to see, although present if you find a much zoomed-in photo.