TheRaven Posted May 6, 2013 Report Share Posted May 6, 2013 Just wanted some input here, before I pursue this further with my flight school. The flight school checklist for the CTLS calls for testing the carb heat during run-up, presumably resulting in a visible drop in rpm. Only thing is, there is barely a visible drop, say 10 rpm, which is within the normal fluctuation I see as I sit there anyway. When I mentioned this to my CFI, he didn't seem to think it was any cause for concern, and said the drop in rpms resulting from carb heat is usually very slight. However, this seemed a bit too slight to me, and I'd like to know if the carb heat is really working. So I consulted with the POH, and was surprised to find, unless I'm missing something, that the pre-takeoff checklist doesn't even call for testing carb heat. Any thoughts? Link to comment Share on other sites More sharing options...
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