RCU Forums - Plug Identification?

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Rcpilot

10-01-2005 08:20 PM

Plug Identification?

RCJ6Y
RCJ7Y
RCJ8Y

Do the different numbers indicate different heat ranges?

If so, which would be the HOT plug and which would be the COLD plug?

Or am I just WAAAAY off here?

When would it be appropriate to use a Hot or Cold plug?

I fly at about 4200-4500' elevation and am using Zenoah G-45, G-62 and GT-80 engines and a Fox 3.2 engine. I run pumped gas--87 octane. I run all my engines on non-synthetic oil at 40:1.

Thanks

tkg	10-01-2005 09:54 PM

RE: Plug Identification?

RCJ2Y COLDEST===RCJ9Y HOTEST

Supermod56

10-01-2005 11:50 PM

RE: Plug Identification?

I try to use the coldest plug I can get away with without fouling, prevents detonation problems.
Tom

Rcpilot

10-02-2005 01:51 AM

RE: Plug Identification?

Thanks guys.

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