I agree. During mag runnup at times the left mag misses. Leaning is always done on all ground operations. After leaning at high RPM's the problem clears up. Did our Annual over the weekend and found a lower plug filled with oil.
Jim N3439H FDK ----- Original Message ----- From: Hartmut Beil To: [email protected] ; Techlist Ercoupe Sent: Tuesday, August 04, 2009 2:24 AM Subject: RE: [ercoupe-tech] Curiosity question Dan. Check the spark plugs. The lower ones might be oily. Hartmut ------------------------------------------------------------------------------ To: [email protected] From: [email protected] Date: Mon, 3 Aug 2009 21:46:08 -0500 Subject: [ercoupe-tech] Curiosity question Since my brakes have failed and I can't run up at usual rpm, I ran it up to about 1000 rpm and it was very rough on one mag. Tried each mag during takeoff roll and again in flight and it is smooth at the higher rpm's. Doesn't make sense to me as I would expect a weakness to show up at higher rpm's. Anyone have an explanation....or should I start worrying about the health of my mags? (Fairly new Slick mags.) Dan Caliendo Ercoupe Mach 0.14 3658H ------------------------------------------------------------------------------ Windows Live™: Keep your life in sync. Check it out.
