EGT
What is ideal EGT reading for 912 ULS? How much difference between carburetors is acceptable?
What is ideal EGT reading for 912 ULS? How much difference between carburetors is acceptable?
by Capt. Siva, » 4 years ago
EGT: Max. 950 °C (1742 °F)
The exhaust gas temperature (EGT) on a Rotax 912 series of engines with both ignition circuits active should read 1470 degrees F (800 degrees C) and should not exceed 1560 degrees F (850 degrees C) .
These readings should be taken by EGT probes located 2.76 inches (70 mm) down stream of the exhaust flange.
The back pressure at takeoff should be 2.9 psi or 0.2 bar
Idle EGT depends on rpm, fuel and location of fresh air /cooling air hit the engine. In puller case and pusher case is also depends on EGT.
but keep eyes on Maximum range for engine safety and healthy life.
visit the old thread....
https://www.rotax-owner.com/en/912-914-technical-questions/125-912uls-egt-differences?start=10
by Scott Tietmeyer » 4 years ago
Thanks, great info. I believe it will help solve my overheating problem.
by Capt. Siva, » 4 years ago
Dear Scott Tietmeyer »
practical thanks as mentioned in screen short, is required for Leaderboard, please
https://www.rotax-owner.com/en/912-914-technical-questions?view=leaderboard
by Roger Lee » 4 years ago
For EGT probe. Look at the Installation manual. Section 78-00-00 page 9.
100mm (3.94 inches)
Hi Xing,
Where did you see 70mm or 2.76 inches?
Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell
by Tom Wilson » 4 years ago
I saw the same on Google.
http://www.ultralightnews.ca/advisories1/912advisories/912egt2.jpg
It's reliable.
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