ryansoutham(at)hotmail.co
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 Posted: Wed Nov 12, 2014 11:58 am Post subject: Aerobatic wiring schematic |
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Hi all,
This is more directed at Bob but anyone else feel free to comment.
I have been in email discussion with Greg Jones at B&C about a few things on my Pitts Special and he suggested that Bob would be best to speak with about the Aerobatic Aircraft wiring schematic on their website, it was made mention that Bob originally drew it up.
Drawing number 420-506
http://www.bandc.biz/pdfs/420-506_Indexed_Diagram_with_BOM.pdf
http://www.bandc.biz/pdfs/420-506_REVB.pdf
I had a couple of questions.
Looking at the mag switch portion of the diagram. Should it not be drawn that the impulse magneto is the OFF-START/ON?
If the OFF-START/ON switch (Right Mag) is used and the start button engaged the starter would not power unless the Left Mag were also on.
Am I missing something here?
Might I also ask what the function of the momentary side of the mag switch is for - (ON)-OFF-ON?
I am running an SD-8 dynamo and my intention is to have no master solenoid (as shown in the schematic) and also not use a starter solenoid, I am using the Skytec NL starter and they have an option of wiring the starter using the internal solenoid of the starter. Does anyone foresee any problems here?
My biggest concern was having the starter engage and not be able to shut it off. I see the B&C starter has an Emergency Starter Off how does this disable their system as the way I see it, if the solenoid contacts welded themselves closed, the starter is still feed power.
I contacted Skytec and they said, due to the way their starter is made this can't happen so a starter 'kill' isn't required. If power is removed from the start solenoid the starter 'will' disengage, I guess the only real danger in this situation is a stuck start switch but turning off the master would solve that I guess if I fitted a starter warning engaged warning light.
Cheers,
Ryan
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