REFLECTOR: Progress

John Dibble aminetech at bluefrog.com
Fri May 18 20:46:18 CDT 2012


Jack,

See attached pic.  I believe #5 is what cuts power to the EI when the 
mag switch is turned to the off position.

John

On 5/18/2012 8:32 PM, John Dibble wrote:
> Jack,
>
> The fancy electronics I referred to are not part of the EI, rather a 
> separate component like a relay or something.  Sorry I can't be more 
> helpful.
>
> John
>
> On 5/18/2012 7:11 PM, Jack Prock wrote:
>> Hi John,
>> This is the same that I have... I will have to look at the Rose EI 
>> schematic.
>> Maybe my problem is not a problem at all and it's all in my head.... 
>> so many things running around
>> in there, and so few brain cells to handle them!!
>> Thanks
>> Jack
>> *From:* John Dibble <mailto:aminetech at bluefrog.com>
>> *Sent:* Friday, May 18, 2012 8:46 AM
>> *To:* Velocity Aircraft Owners and Builders list 
>> <mailto:reflector at tvbf.org>
>> *Subject:* Re: REFLECTOR: Progress
>> I have one Rose EI and the "mag" switch is wired identical to a 
>> regular mag switch.  When I turn the switch off, fancy electronics 
>> that I don't understand cut power to the EI.  Don't know if this will 
>> help.
>>
>> John
>>
>> On 5/17/2012 11:33 PM, Jack Prock wrote:
>>> Hi,
>>> I am working on the final design of my electrical system and was 
>>> wondering if anyone has used a standard
>>> keyed ignition (OFF-Left-Right-BOTH) when set up with one mag and 
>>> one electronic ignition system?
>>> Up until today, I was thinking that I could use a standard aircraft 
>>> keyed switch, but I didn't realize that the mag is shut off by
>>> grounding out one of the leads. This means that when the keyed 
>>> switch is in the off position, the two terminals and the center
>>> post are actually connected. And when in the BOTH position, the two 
>>> terminals and the center post are not connected.
>>> I can think of a way to use the keyed switch... but the motion of 
>>> the key turns from right to left, not left to right. I would just need
>>> to create a new label and use a relay for the Mag connection. This 
>>> would have the added benefit of not having the mag wire
>>> anywhere near the radios to cut down on e-noise. I just don't like 
>>> the opposite key rotation.
>>> Are people with electronic ignitions using a two simple switches?  
>>> 1) Elec-IGN   2) MAG
>>> Do you have a key/lockset at all?
>>> Any input would be helpful.
>>> Thanks,
>>> Jack
>>>
>>>
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>
>
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