Glen, I'd start with a new Batt, they have a way of dieing when stored for long periods. Larry C. N3452H. --- Glen Davis <[EMAIL PROTECTED]> wrote:
> Gang > > Please help me diagnose this problem: > > Acft just came out of a 9 month restoration project, > about 1200 hours. Battery was charged before the > first flight. On first flight, battery voltage > indicator (ECI digital gauge) showed only 11.5 volts > on start up (Now remember, I just charged this > battery the night before). During first flight, > voltage slowly climbed to 13 volts after about 30 > minutes of flight. On landing, voltage indicated > again only 11 volts. > > Day two. Same as day one, on start up battery > indicated 11 volts. During flight voltage increased > to 13 volts THEN the overvoltage warning light came > on and the digital display indicated 15.6 volts. I > reduced power and voltage immediately dropped to 13 > volts. On landing, it went back to 11 volts. > > I suspect the problem is the voltage regulator but > might it be: > > 1. A weak battery? > 2. An alternator problem? > > What should be my next step...measure the voltage > coming out of the alternator? > > Something else? > > Thanks > > Glen > > > > Glen Davis > 917 297 1111 > www.ishootpictures.com > www.ercoupepilot.com
