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Sparkplug temperature increase during hard acceleration

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Rubycon

Rubycon

Madame President
In the books it says "sparkplug temperatures increase rapidly during hard acceleration". What are the typical idle temps of the electrode tip/insulator and how fast and to what temperature do they reach when under WOT? Where would I find this information either the formula or curves from known data?
 
Originally posted by: Rubycon
In the books it says "sparkplug temperatures increase rapidly during hard acceleration". What are the typical idle temps of the electrode tip/insulator and how fast and to what temperature do they reach when under WOT? Where would I find this information either the formula or curves from known data?
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Dunno. Start with spark plug manufacturers and see if they have any public data on it?
 
Those numbers are going to depend on a lot of things. Heat range, tip design, and whether the plug is high-thread or standard all come to mind. There's also the engine's head design and compression ratio to take into account, as well as any forced induction (both type and amount).

JJ650's suggestion to check with the plug companies seems like the way to go to get a baseline though.

ZV
 
Thanks guys.

I'm looking at doing an ALGOR simulation and not finding the numbers I need. I thought this was a good medium complexity project before getting into taller things. 😉
 
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