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Originally Posted by sammysnail
[Linked Image]
(Non-functioning link to the second picture in the thread).

Two mufflers in series? Is this a motorcycling first?[/quote]

[Linked Image from thevintagent.com]
Probably just a prototype , mock-up solution
Wankels have a hotter-louder exhaust ... because the combustion gases are exited sooner , just after the power stroke
( 4 Cycles hold the the exhaust for a whole piston stroke allowing better heat transfer )

BSA on eBay
quinten #885807 07/17/22 4:00 pm
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Gotta wonder why they'd put a rack and steamer trunk (and what appears to be a license plate?) on a mock-up prototype?

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Originally Posted by Steve Erickson
Gotta wonder why they'd put a rack and steamer trunk (and what appears to be a license plate?) on a mock-up prototype?

To carry something that is useful for test runs.


Amateur Loctite enthusiast.
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Spanners and a BFH?

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Thermos of tea
the Daily Racing Form
pipe and slippers
and a bacon sarnie

quinten #885932 07/18/22 6:07 pm
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Mustn't forget the Spotted Dick...

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