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From: Lorn H Olsen <lorn@dynacomm.ws>
Subject: Re: Legacy B&C Batteries

Dear Nvatp,

Below is an article that I wrote in May of this year. The battery is =20
still working just fine.

Lorn

> From: Nvatp@cs.com
>
> Any of you dual electric Legacy guys care to share your experiences =20=

> with the B&C battery? Can anyone recommend another brand they're =20
> happy with?
>
> Begin forwarded message:
>
>> From: Lorn H. Olsen <lorn@dynacomm.ws>
>> Date: May 24, 2005 4:20:03 PM GMT-04:00
>> To: Lancair List <lml@lancaironline.net>
>> Subject: B&C BC-100 Battery
>>
>> I purchased a boat in Slidell, LA (New Orleans) and was there all =20
>> last week. Come Saturday, as I went to start the plane, I noticed =20
>> that I had left the master on for 5 days. First came the hand =20
>> prop, the engine started but the battery was so dead that it =20
>> couldn't put out enough current to start the alternator. Next I =20
>> borrowed jumper cables and restarted the engine, took off and =20
>> climbed out, heading back to Detroit.
>>
>> 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.
>>
>> When I landed I put my battery tender on the battery. The battery =20
>> tender said that the battery was 80% charger and went to work on =20
>> the balance.
>>
>> Yesterday I went to the airport and started the plane twice. Both =20
>> times had good high speed rotation.
>>
>> What a great battery.
>>
>> Two years ago, on the advice of Tim Hedding the head engineer at =20
>> http://bandcspecialty.com/, I purchased a BC-100 battery. Tim only =20=

>> said that he had had fewer complaints about the BC100 than about =20
>> many other batteries. I now agree with Tim.
>>
>> The BC-100, 25 AH is not the same size as the Gill is replaced. I =20
>> had to have a battery case made. I am now glad that I did. I was =20
>> replacing my Gills every 1 to 2 years.
>> --
>> 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
--
/---------------------------------------------------------------\
| Lorn H. Olsen, MAA, President    |  mailto:lorn@michusa.com   |
| DynaComm, Corp.                  |   Voice:  248-478-4300     |
| 21042 Laurelwood Street          |   FAX:    248-741-8005     |
| Farmington, MI  48336-5052       |   Mobile: 248-345-0500     |
|---------------------------------------------------------------|
| for info: mailto:info@dynacomm.ws or: http://www.dynacomm.ws/ |
\---------------------------------------------------------------/