SOHC.co.uk Forums > CB500/550
500 K cafe racer conversion - build thread
Ewan 500 K1:
Another rake / trail calculation. (Edit .. this was with original rear shocks on. The photo says "new shocks" top left, but that was a mistake !)This time I took some photos of the bike. First placing the bike on a plank of wood. Then printed out the photos and drew a centre line on the fork and using the plank as the horizontal drew a line along its edge. Then I used a decent protractor to measure the castor angle (angle A in the attached photo). Out of four different photos (2 of each side) the castor angle was consistently between 65 and 66 degrees giving a rake angle (R on attcahed photo) of 24 to 25 degrees and a calculated trail of 93.2 to 99.5mm ...... a much more acceptable result that using the crude pole measuring methods above. Just waiting for a mate to loan me an inclinometer to measure the angle of the forks to the horizontal now to see how that compares. .... . Just need to to put the new rear shocks on and use the photo/protractor method to see how the standard shock result compares with the longer rear shock result .. and repeat using the inclinometer method.
Norniron:
Here here oddjob,lifes too short and so is the summer
Ewan 500 K1:
ye cannae hurray a murray ... not planning to be on the road till 2014 :P
Captain Snakebite:
Just a quick question Ewan.
Early in the thread you mentioned Morris Minor hubs? Are there Minor bits that go onto a 550?
Cheers,
Owen
matthewmosse:
The 550 rear brake lining can crack up sometimes giving a nasty feeling brake and need for a new hub, or if you have a lathe then you machine out the cracked steel liner and insert a mini or morris minor drum - takes a wee while and some care but I've done it on my 500/4 sidecar outfit and that has seen quite a lot of milage since. I think that will be where morris minor bits will have come into it.
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