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I just about have the gearbox positioning where I want it. Currently the clutch spins freely inside the closed up primary. I need to get a little more adjustment forward so I can get a belt on easier. I will be using a 25mm 890 length AT10 belt initially. To get a 880 on, which I prefer, would put the gearbox really close to the timing case. It's already too close to run the oil lines over the top. Still may pursue the shorter belt in the future.The major plate reshaping work was done on the timing side plate and on the shift side of the gearbox case. I did all the work using baby steps so I didn't hog out anything and make it weaker. I have no issues with modifying the gearbox case for those that think is is a bad idea. The case is very thick where the shaping modifications need to be made. The other modification is lengthening the top adjustment slots in the plates in the forward direction.Once I get gearbox where I want it, I'll make up the add on plates for the lower gearbox mount. Probably finish up next week.Something else that makes moving the gearbox in and out of the frame dozens of times is taking some material off the top and bottom of the lugs to shorten the overall length of the gearbox a little. The TTi gearbox really fits nice by the way. The Manx mainshaft length is correct for a P11 and a belt clutch hub and diaphragm spring basket designed for use on a pre-Commando mainshaft.Pics later
I just about have the gearbox positioning where I want it. Currently the clutch spins freely inside the closed up primary. I need to get a little more adjustment forward so I can get a belt on easier. I will be using a 25mm 890 length AT10 belt initially. To get a 880 on, which I prefer, would put the gearbox really close to the timing case. It's already too close to run the oil lines over the top. Still may pursue the shorter belt in the future.
The major plate reshaping work was done on the timing side plate and on the shift side of the gearbox case. I did all the work using baby steps so I didn't hog out anything and make it weaker. I have no issues with modifying the gearbox case for those that think is is a bad idea. The case is very thick where the shaping modifications need to be made. The other modification is lengthening the top adjustment slots in the plates in the forward direction.
Once I get gearbox where I want it, I'll make up the add on plates for the lower gearbox mount. Probably finish up next week.
Something else that makes moving the gearbox in and out of the frame dozens of times is taking some material off the top and bottom of the lugs to shorten the overall length of the gearbox a little.
The TTi gearbox really fits nice by the way. The Manx mainshaft length is correct for a P11 and a belt clutch hub and diaphragm spring basket designed for use on a pre-Commando mainshaft.
Pics later
