03-02-2019, 03:57 AM
I need to look at fabricating the exhaust for my car and my current plan (which could change) is a sports style pipe running along the nearside of the body. The body style I have gives me plenty of space to mount it there. Actually I have so much space it needs something there to break it up! I just need to make sure the wheel doesn't hit at full lock I think.
I know of this page that describes the origin Brooklands style silencer and fishtail: http://www.austin7club.org/How%20To%2011.htm
My thinking so far is 1 inch tube from the block into a 1 1/4 inch collector and from there into the muffler and a similar size tail pipe. The actual tube I have is sold as 25.4mm OD and the bigger pipe would be 31.8mm OD both with 1.2mm wall thickness so that seems about right. I would slit and taper the collector part.
The pipe seems so small and I know that silencer was only for Brooklands but I guess that is right for a small engine. I can work out the dimensions from the link above but was wondering if someone who has one can post general dimensions. My car isn't a replica of anything so I can make whatever I like that is in period and functional, it's doesn't have to be an exact copy of an original.
The pic on the radius arm thread reminded me to ask!
Simon
I know of this page that describes the origin Brooklands style silencer and fishtail: http://www.austin7club.org/How%20To%2011.htm
My thinking so far is 1 inch tube from the block into a 1 1/4 inch collector and from there into the muffler and a similar size tail pipe. The actual tube I have is sold as 25.4mm OD and the bigger pipe would be 31.8mm OD both with 1.2mm wall thickness so that seems about right. I would slit and taper the collector part.
The pipe seems so small and I know that silencer was only for Brooklands but I guess that is right for a small engine. I can work out the dimensions from the link above but was wondering if someone who has one can post general dimensions. My car isn't a replica of anything so I can make whatever I like that is in period and functional, it's doesn't have to be an exact copy of an original.
The pic on the radius arm thread reminded me to ask!
Simon