Thanks, Al. I will protect the ground connections. The battery is new and was checked by the guy who did my alternator and mags. I double checked the battery myself (new Concorde sealed battery).
Thanks. Frank Nelson N51DV - 415C TOA --- In [email protected], "Al Demarzo" <noshit...@...> wrote: > > Don't forget to shoot the ground connections with CorrosionX or ACF50. That will help with any corrosion problems. And your people checked the battery properly, correct? > > > ----- Original Message ----- > From: fnelson913 > To: [email protected] > Sent: Sunday, February 22, 2009 4:33 PM > Subject: [ercoupe-tech] Re: Radio Interference > > > John, thanks for the "heads-up" on the mag shut down test. > > I am now convinced that I have intermittent grounding problem. I > could not replicate the problem today that was a solid problem > yesterday. It must be a loose wire somewhere. Both handheld and > cockpit radios performed well (both with a little engine noise) but > didn't get to a garbled state. I ran the engine for nearly thirty > minutes at various RPM and still could not repeat the problem. > > I will do an inspection of the engine next to look at grounding > connections. > > Thanks. > > Frank Nelson > N51DV - 415C > TOA > > --- In [email protected], "John Cooper" <john@> wrote: > > > > One thing that is oft overlooked is the shielding on the P leads. > Those > > shields must be grounded at the mag switch and the mag switch to the > > airframe. > > > > If you shut the mags off at 2000 RPM, do not turn them back on > while the > > engine is still spinning [fast] as the exhaust will be full of gas > fumes and > > you can blow it clean off the airplane. You can purge the fumes by > spinning > > the engine (mags off) slowly with the throttle wide open. > > > > John Cooper > > Skyport Services > > www.skyportservices.net > > >
