Actually, the "COIL" may or may NOT be a fable, it may well have the capability to achieve 40,000 volts on its HV terminal, but youre right, most old tractors probably fire the plugs at more like 10,000 to under 20,000 volts. I guess its safe to say firing of the plugs at 40,000 volts in low compression gasoline tractor engines with plug gaps in the 0.020 to 0.040 range IS INDEED LIKELY A FABLE LOL
The actual voltage necessary to cause current to arc jump across a spark plug gap depends on THE PLUG GAP,,,,,,,,,THE COMPRESSION,,,,,,,THE MEDIUM (fuel type and mixture) IN WHICH THE ARC OCCURS and we dont have that info in front of us.
Yep the HV in those old cathode ray tv tubes could really cause some poppin n crackin n snappin OUCH LOL
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Today's Featured Article - The Nuts and Bolts of Fasteners - Part 2 - by Curtis Von Fange. In our previous article we discussed capscrews, bolts, and nuts along with their relative hardness and thread sizes. In this segment we will finish up on our fasteners and then work with ways to keep them from loosening up in the field. Capscrews, bolts and nuts are not the only means of holding two parts together. When dealing with thinner metals like sheet tin, a long bolt and
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