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Found this in an old parts list:
5K pot 1/8 in sh. Hosfelt CM46434 $2.50 ea
5K pot 1/8 in Allied 753-9538 392-JB Clarostat 6.20 ea /25
5K pot ¼” Jameco 13995 5.95 / 10 (for re-design)
1/8” knob Jameco 138384 1.09 @10
So you definitely want a 5K ohm (5,000 ohm) potmeter.
Other than being linear, physical size won't matter.
Finn
On 11/16/2020 3:39 PM, David Leonard wdleonard@gmail.com wrote:
Hi All,
I have just completed an engine rebuild. This issue was caused by a crack in the T2 exhaust manifold that melted a coolant line and a fuel line, causing an engine fire.
I landed safely and had to rebuild the engine because the o-rings melted from the coolant loss.
Im trying to get the new engine running again. Compression is great, spark is great and I have triple checked the timing. I am getting some amount of fuel but no combustion. I have narrowed the problem down to a few possible issues.
During the rebuild I replaced the 5ohm potentiometer that controls the mixture because the knob was broken off. So I possibly mis-wired the replacement potentiometer, it is not actually compatible, or I damaged the board when I trimmed it to allow the new one to fit. I wonder if anyone has one lying around I could borrow to test this link in the chain.
Thanks
Dave Leonard
Turbo 13B RV-6
858-254-3357
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