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nuckolls.bob(at)aeroelect
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 Posted: Sun Aug 14, 2016 4:20 am Post subject: Battery/ Starter cables |
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At 02:22 AM 8/14/2016, you wrote:
| Quote: | --> AeroElectric-List message posted by: "chris Sinfield" <chris_sinfield(at)yahoo.com.au>
Guys just got my Spruce order sent down under.. You don't what to know the shipping price.
Anyway I ordered some colored battery wire thinking it was 4awg and find out its 6 awg.
How critical is the difference given that the piper sport is wired 6awg and my aircraft is a simple vfr Dynon with a Jab 3300. All bobs drawings have 4 AWG but my limited understanding thinks 6 would do the job.
What do you all think.? Battery , master sol , start sol to starter?
Chris |
If you measured all the 6AWG wires
and added them up, what's the total?
6AWG is 0.4 milliohms/foot or 40mv/ft
voltage drop at 100A. So something like
5' of loop-length in a 6AWG cranking
circuit would drop 0.200 volts. Not a
serious loss. Longer paths, cold temps,
higher currents would have different
conditions but not by much. You're
probably fine.
BTW, welding cable is fine wire for
cranking circuits and you can probably
get that stuff locallly.
Bob . . .
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chris Sinfield
Joined: 28 Nov 2006
Posts: 270
Location: Sydney Australia
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| Posted: Sun Aug 14, 2016 5:26 am Post subject: Re: Battery/ Starter cables |
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Thanks Bob.
When I looked at length it was no longer than 3 feet battery to starter motor.
All your drawings had 4AWG not sure why that was and so I just had to ask.
Chris.
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chris Sinfield
Joined: 28 Nov 2006
Posts: 270
Location: Sydney Australia
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| Posted: Sun Aug 14, 2016 5:26 am Post subject: Re: Battery/ Starter cables |
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Thanks Bob.
When I looked at length it was no longer than 3 feet battery to starter motor.
All your drawings had 4AWG not sure why that was and so I just had to ask.
Chris.
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