FuriousPhoen1x Posted January 2, 2011 Report Share Posted January 2, 2011 The m20C I'm flying lately has gotten a raw deal lately it seems. We had the annual done last month, (owned the airplane for 2 years now), and it's been having various random problems. It got cold down here in Texas (for us!) Dipped a little below freezing on a day when we wanted to go flying in the morning. With a battery charger on the battery, it will charge up and start after having the charger on it for less than 2 minutes. However, without the charger it really won't even spin the prop more than half a turn. Big bummer. What kind of battery do ya'll use? Any ideas what may be cause the battery issue? Maybe the A&P left a wire loose somewhere that would be causing it to discharge or maybe its just the cold? We've been trying to make sure the magnetos are turned all the way off and not in a semi-on position just to make sure. About the prop, right after it's annual(and a new gasket around the engine seal) the gauge for the RPMS acted weird. Right after annual we took it on a 4 XC's about an hour up and back to do the transponder check and fo rme to pick up my girlfriend. We noticed no RPM issues, on takeoff and climb the rpms were above redline. However, we let it sit for less than a week and tried to fly it again. On takeoff(and this was a cold day, around 32F) the rpm's wouldn't get past 2500. Then the day after that they wouldn't get past 2650. It's staying at 2650 these days. Climbs well, cruises well, but the gauge doesn't read where we think we "remember" it. Any thoughts, ideas or questions are appreciated Quote Link to comment Share on other sites More sharing options...
moodychief Posted January 2, 2011 Report Share Posted January 2, 2011 Check my posting on "Don't throw your Generator away!" and see if it sounds similar to your problem. How old is your battery? I use a Concorde in my '63 C model. Quote Link to comment Share on other sites More sharing options...
FuriousPhoen1x Posted January 4, 2011 Author Report Share Posted January 4, 2011 Well, I think the battery was replaced last year. But from what I can tell, the C has an alternator which doesn't match up with your problem. I guess the battery needs to be replaced and then we'll see if we notice anymore problems! Quote Link to comment Share on other sites More sharing options...
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