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Bobby, I don't think they have a weld-on boss, but you can use the one I've got. It's 1/8" NPT thread and the probe can be adjusted for depth of protrusion in the exhaust pipe. You can weld the bottom part with the 1/8" NPT thread permanently into the pipe and still use the adjustable feature with the probe
On Jan 29, 2006, at 1:11 PM, Bobby J. Hughes wrote: Buly, Did the Microair probes come with the weld on boss? If not, do you remember what size threads? Thanks, Bobby (waiting on parts, ordering more parts)
John, I have installed one Microair probe for each rotor. Got them from Aircraft Spruce. Adjustable for depth, cost about $25-26 each and guaranteed for life?
On Jan 19, 2006, at 8:13 PM, John Downing wrote: Before all this discussion on lag and lead, I hadn't given much thought to monitoring the EGT. But it looks like it is time to order up the probes and the instrument. If something is happening, it needs to monitored. Thanks for all the heads up information. JohnD
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