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Date: Thu, 26 May 2005 16:11:38 -0400
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From: "Lorn H. Olsen" <lorn@dynacomm.ws>
Subject: Re: B&C BC-100 Battery

Matt,

I had NO electric and therefore no transponder, no lights, no nuttng. =20=

The weather was good 600 miles ahead. The weather was all =20
thunderstorms where I was. I could navigate well with my Garmin 296. =20
I didn't see a problem continuing in cruise  mode. I know that I =20
didn't want to shoot an approach where I was with no aircraft electrics.

Lorn

> From: "Matt Hapgood" <matt.hapgood@alumni.duke.edu>
> Date: May 25, 2005 5:34:01 AM GMT-04:00
>
> You may be glad you had mags, but I'm not sure that in the same =20
> situation I would continue flight.  Did your battery charge =20
> sufficiently to provide power to the transponder, navigation =20
> lights, etc?
>
> Matt
>
>
>> After about 20 minutes of flying the current into the battery went =20=

>> from 20 to 30 to 40 to 50 amps before the alternator circuit =20
>> breaker (CB) blew. I shut off the master and let everything cool =20
>> off for 15 minutes. I am sure glad that I have magnetos. I hand =20
>> flew the plane using my handheld Garmin. I then reset the CB, =20
>> turned on the master and then the alternator. The system charged =20
>> for about 3 minutes and then shutdown again. I turned the charging =20=

>> system back on every 10 minutes for the next 2 hours and finally =20
>> the charging current went below 40 amps and stayed on. I tested =20
>> the battery temperature by hand and estimate that the battery got =20
>> to about 140=B0F.
--
Lorn H. 'Feathers' Olsen, MAA, DynaComm, Corp.
248-345-0500, mailto:lorn@dynacomm.ws
LNC2, O-320-D1F, 1,000 hrs, N31161, Y47, SE Michigan