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Inmate Central Inmate Central, where civil and family-friendly discourse about off-audio topics (other than religion and politics) is welcome. |
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In Reply to: Car fix-it question posted by FenderLover on September 16, 2014 at 06:57:46:
The idea behind corrosion and erosion resistant metals used for center electrodes is to allow a smaller, or 'fine wire' electrode that will enable an arc to jump at a lower voltage than a larger electrode. The tougher metals will last longer than would the basic stuff.
A great example of this can (could?) be found at the San Francisco Exploratorium. Two sets of electrodes are wired to a neon transformer. One set has round balls, the other set has cones with their points pointing at each other.
The balls and cones can be moved toward each other, where an arc is struck, then moved away from each other stretching the arc until lt is extinguished.
It can be clearly seen that the cones strike an arc from a greater distance, and will stretch it further than the ball shaped electrodes.
I think fine wire sparkplugs are more useful for 'pull-start' yard and marine engines than in modern cars, who knows?
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- RE: Car fix-it question - Craiger56 12:26:37 09/16/14 (0)
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