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Allen Fulmer
Joined: 10 Jan 2006
Posts: 79
Location: Alexander City, AL
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 Posted: Sun Sep 16, 2007 10:51 am Post subject: "Fat wire" termination on Z19/RB and Subaru engine |
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All the pictures of battery contactor hot side terminations seem to be at
the starter contactor on either side of the firewall. And then usually
connected to Main Bus from there via smaller wire per drawing.
On the Eggenfellner Subaru H6 firewall forward package the starter contactor
on the starter.
I can't seem to visualize what the common fat wire coming forward from the
rear mounted battery contactors (Z-19/RB architecture) will attach to?
Will it need to pass through the firewall and continue straight to the
starter solenoid (contactor) before coming back with smaller size wire to
the main bus?
Or should I have an insulated bus bar on cockpit side of firewall that fat
wire attaches to on its way to the starter contactor on the starter? (The
stud on ATC fuse panels seems too small to attach fat wire terminator to?)
This would keep feed to main bus out of the engine compartment which seems
like a good idea.
Or any other suggestions? Pictures.
Thanks,
Allen Fulmer
RV7 QB Fuselage/Finish kit
Alexander City, AL
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_________________
RV7 QB Fuselage
Eggenfellner H6 on orde
N808AF reserved
Alexander City, AL |
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Dennis Glaeser
Joined: 10 Jan 2006
Posts: 53
Location: Rochester Hills, Michigan
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| Posted: Sun Sep 16, 2007 5:06 pm Post subject: "Fat wire" termination on Z19/RB and Subaru engine |
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Allan,
You asked: "Will it need to pass through the firewall and continue straight
to the
starter solenoid (contactor) before coming back with smaller size wire to
the main bus?"
That's exactly what I did on my H6. I then ran an 8AWG wire from the
solenoid to a Current Limiter, and then to the Alternator.
I took my feed for the primary bus by splicing an 8AWG wire on to the 'fat'
6AWG wire before it goes through the firewall, so that I only have only the
6AWG wire going through the firewall.
Dennis Glaeser
RV-7A - H6 installed, Fuselage painted and at the airport, painting the tail
feathers now, wings next. Waiting for my prop and cowl ducts.
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