REFLECTOR: Avionics bus switch

[Mark Magee]

Hi Don,
Scan archive, in-depth conversation on new electronic busses/breakers vs
mechanical about a year ago.
Mark Magee
N34XL XLFG

On Tue, Mar 19, 2013 at 6:50 AM, Don Johnston <numa at comcast.net> wrote:

> Yes, I've been on Aeroelectric for quite a while. And it's Bob "Nuckolls".
> **
>
> I was looking for what other builders are doing.
>
> -Don
>
> On Tue, Mar 19, 2013 at 3:31 AM, Chris Barber <cbarber at texasattorney.net>wrote:
>
>>  Aeroelectric.com has discussed this issue before. If you have yet to
>> discover this resource run by Bob Knuckles, I suggest you spend some time
>> there.
>>
>>  Chris.
>>
>> Sent from my iPhone 5
>>
>> On Mar 19, 2013, at 2:13, "John Dibble" <aminetech at bluefrog.com> wrote:
>>
>>   Most of the time having the avionics on won't be a problem.  However
>> if you have a difficult start due to cold weather or a low battery, the low
>> voltage could cause you to lose stored data.  After this happened to me,
>> I've always turned my engine monitor on after engine start.  I don't feel a
>> need to have engine data for the 1st few seconds.
>>
>> John
>>
>> On 3/18/2013 7:37 PM, Don Johnston wrote:
>>
>> Because of institutional memory, OWT, etc. I'm trying to decide how to
>> handle the avionics bus.
>>
>> Since the first day I sat in an airplane, I've always been told to never
>> turn on the avionics until the engine is running lest to fry all the
>> expensive, delicate, precious electronic devices.  Then again, I was also
>> told to never run LOP, land without flaps, or taxi faster than an
>> 80-year-old man can walk. :-)
>>
>> Since I'm going to have all the engine info on GRT displays, there is no
>> way to see the actual engine information unless the avionics are on before
>> engine start.
>>
>> So how are you guys getting engine info in a pure electronic panel
>> environment? Separate, clean, protected bus for avionics? Ignore it since
>> it's an OWT?  So other solution?
>>
>> -Don
>>
>>
>>
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