...for mikes wl......so im making a sprocket with firstly a special offset to suit the new gearbox, secondly, one that will fit the standard wl crankshaft and thirdly will accommodate a duplex setup for the triumph gearbox.
heres part one...the original triumph crank sprocket.....and a section i machined up to fit the rear of that sprocket. im going to anneal the sprocket and then take out the inside section to allow me to fit nut home.


3 comments:
doing a simular thing to go 45 - bsa box. watching with interest. i was thinking of geting a custom sprocket made up from scratch rather than joining 2 with the offset. is the plan to seam weld either side of the sprocked onto the new spacer?
exactly......but getting it true is going to be hard.....ill have a go....if i cant do it then ill go another route.
I guess you'd have to press the assembly together in a lathe, hold it together with the tailstock and get it running true, then seam it together on the lathe.... Would be relatively easy if it weren't for the offset!
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