The best would be to have second test set of probes and gauge. But I haven't.
Note that EGT reading in flydat is switching for about 8s from left to right side (you can see left/right arrow).
I curious why I have highest temperatures cross. Naturally would be to have lower reading on PTO side (in case od cooling air).
I'll try to clean/inspect probes and verify if they are connected in good order (PTO/MAG, L/R).
When probes start to go bad cleaning won't help. It is an internal problem with the thermal-couple. If it were me I wouldn't look at the carbs causing such a big and wild swing, but the electrical side.
Roger Lee LSRM-A & Rotax Instructor & Rotax IRC Tucson, AZ Ryan Airfield (KRYN) 520-349-7056 Cell
Uhm, the best is to swap probes and see. If bad reading will travel through display it will be problem with engine, if it will stay - the probe is faulty.
The problem is I have short wires and I have to disassembly cockpit for loose wires. A lot of work... but I can to do this.
If not electrical it can be a problem with bad burning? For example bad compression on one cylinder?
I tested a month ago cylinders and compression was equal (in norm) on each. I have only tool to make compression test (not leak down test).
Engine after gearbox rebuild works smooth, if believe egt orders "faulty" cylinder is no 3 and on this cylinder I have CHT probe and reading is normal (about 82*C when 10*OAT).
Wires and probes are for analyze, it's sure.
I was reading that similar problem can occur when there is air leak on intake. I have carb flanges replaced a year ago and new o-ring on right side (I sent to rotax a month ago my cylinder head for replace pushrods shields). I put new o-rings but maybe intake manifold not fit exactly..
What is the method for check leaks? I heard about using startup spray and observe rpm's.
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