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Jabiru Engines
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Topic starter
21/04/2020 8:29 pm
I have a J230D with a 3300A engine. When I do my run-up checks and apply carb heat there is no change at all to engine RPM. I have checked the operation of the carb heat mechanism and it appears to be working ok. Is this normal? I am used to Cessna aircraft where you certainly get an RPM drop with the application of carb heat.
27/08/2020 7:58 am
Hello Ron,
Yes some Rpm drop with carby heat is normal. It should be about 20 or 30 rpm at 2000rpm, so you have to watch carefuly.
