sgc wrote:
drmini in aust wrote:
The spark though will go to ground rather than fire a plug, in this case it's arcing thru the plastic rotor to the steel spindle.
Yeah, I get that, it's just the bit about not having continuity across a solid brass conductor that is befuddling
Perhaps in my p*ssed off state I have not explained myself entirely.
Now that I am composed....
When I was staticly setting up the timing I measured from No 1 plug lead to the HT lead, confirming the rotor button was indeed contacting No 1 contact on the dizzy cap. It was O/C.
Working late, in the dark covered in sweat and rushing things, in my haste I did not think to take a close up look at the rotor button with a torch as
I assumed being brand new it was ok....
Now that Ive had chance at work to inspect it. No there isnt a fracture, yes the majority of it is a dead short. However as the video shows, it is intermittently O/C or high ohms between the centre section where the dizzy cap contacts, and the outter contact. It megga'd fine from the contact to the plastic, no breakdown in insulation up to 1000v.
