Per cylinder EGT monitoring
#23
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EDIT: my ktype EGT probe uses a 1/8NPT adapter. It shouldn't adversely affect it...hmmmm.
#26
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What manifold do you have?
Got a coolant reroute?
Duel feed fuel rail?
Turbod and if so, what injectors?
And lastly-- the biggie: What temperature variance have you seen between your cylinders? What's the max you've ever seen?
All the previous questions make the answer to the last question useful
thanks
#29
M: A few questions---
What manifold do you have?
Got a coolant reroute?
Duel feed fuel rail?
Turbod and if so, what injectors?
And lastly-- the biggie: What temperature variance have you seen between your cylinders? What's the max you've ever seen?
All the previous questions make the answer to the last question useful
thanks
What manifold do you have?
Got a coolant reroute?
Duel feed fuel rail?
Turbod and if so, what injectors?
And lastly-- the biggie: What temperature variance have you seen between your cylinders? What's the max you've ever seen?
All the previous questions make the answer to the last question useful
thanks
Manifold: The semi-new cast manfold. gihttp://www.bellengineering.net/product_info.php?products_id=36
Coolant re-route: Yes.
Duel fuel-rail: I never duel with a fuel rail - they spray fuel in my eyes and I always lose. But I do have a dual-feed rail that I never duel with. <grin>
T28 turbo, oversize valves headwork, 550 injectors.
#2 and #3 consistently about 100 F (about 50C) higher than #1 and #4. I don't have a cam sensor so I no sequential injection, i.e.. can't tune it out with fuel.
You wee asking such specific questions -- do you have specific experience with this?
#35
It is important to note that many of the older EGT probes (aircraft and automotive) are slow reacting to EGT changes. JPI was one of the first to use modern fast reacting EGT probes. I've flown EGT equipped aircraft with both the old Westech style probes and the new JPI style fast reacting probes and there is NO comparison.
I think one may be able to find a fairly robust EGT analyzer (e.g., fast reacting probes with data logging) by looking at the niche manufacturers for the experimental aircraft market. This equipment does not need to meet FAA specs/require FAA certification. Accordingly, "experimental" engine instrumentation/analyzers are cheaper and often have more features than the certified versions.
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