| Gallery, Projects and General > Project Logs |
| Building the Minimag |
| << < (16/19) > >> |
| Bogstandard:
I just knew you lot would have me dancing about with curly hair (what I have left of it) and the a**e of my pants on fire. Just to answer Jack's question. The 'sweet spot', depending on your required direction of rotation is just as the rotor 'goes over the top', you can feel it being forced away forwards. The spot is that the points should just be starting to open somewhere between then and about ten degrees after, you need to tweak to find the point of best spark. It took me no more than 10 minutes playing about to find the optimum position. During my dark session, I was driving it with a portable drill, and noticed that the contact points did flash occasionally, about once every five or six seconds, suggesting that a condensor might be needed to suppress that, but I can attest that none is required for normal running, there were plenty of sparks flying about on the plug tip with a 0.040" (1mm) gap on the plug and 0.010" (0.25mm) gap on the points. I hope that answers most of your questions. I hope to start back on the flame licker tomorrow. John |
| madjackghengis:
Hi John, thanks much for clarifying all of that, glad to hear it sparks across forty thousandths, that should fire well under compression. I'm looking forward to your flame sucker getting back on schedule. This has been a very enlightening build log, thanks much. :nrocks: jack |
| Dean W:
Was an informative build thread, John. The finished item looks the part, too. Very nice. Thanks! |
| John Stevenson:
I like the nice touch of the strain relief. John S. |
| krv3000:
WELL dun brill work :) :) |
| Navigation |
| Message Index |
| Next page |
| Previous page |