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Thread: Aluminium found.
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5th September 2020, 08:20 PM #1Most Valued Member
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Aluminium found.
I went to Capral on Thursday and bought a couple of slabs of aluminium, thickest I could get was 25mm, so I settled for that. That meant making a 10mm spacer. After waiting ages for the bandsaw to cut the slab down to a size that would fit in the four jaw I chucked the square slab and made it round, dished the underside to clear the crank bearing mount, bored a 60mm hole through the middle and drilled a couple of holes for mounting.
Next came the spacer: Turned down a 70mm round ally bar to fit inside the stator windings and turned down a couple of locators either side to locate the spacer under the stator and to locate the spacer inside the base, thus making sure the stator is mounted central. Drilled a few more holes and tapped them, then stuck it all together.
Drilling and tapping all these holes scratched the hell out of the ally, so I mounted spacer and base in the lathe again and used some emery to get rid of the marks.
Fits on the engine nicely, just have to file a woodruff down to match the 6mm keyway in the rotor to the 5mm keyway in the crank. After that, solder some terminals on the end of the stator leads, yeah I know, I'm a rebel.
Next job is to turn up a cam for the points. I'm going to convert the twin points system to a single, lots of messing around here trying to get the points firing at the correct intervals.
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