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Jasco Alternator and Panel Ground Questions

 
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stearman456



Joined: 14 Aug 2010
Posts: 49

PostPosted: Wed Aug 18, 2010 2:37 pm    Post subject: Jasco Alternator and Panel Ground Questions Reply with quote

I'm brand new around here, still reading Bob's book for the first time, and just tooling up to wire my Stearman restoration. I have two questions:

1) The wiring diagram available online for it is kinda poor, but can anyone confirm for me that a 14 v/50 amp Jasco 6555T-1 alternator will work with the B&C LR3C-14 controller? I think it will but the online alternator schematic is rather crude.

and

2) If using the B&C firewall bus kit, does the avionics ground bus Bob talks about (the panel bus) ultimately tie into it?

thanks,
Dan
warbirds(at)shaw.ca


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PostPosted: Wed Aug 18, 2010 3:13 pm    Post subject: Jasco Alternator and Panel Ground Questions Reply with quote

I believe that the avionics ground bus ties to the B&C with 5 20 gauge wires.  I just happened to be reading that section the other day.  I was wondering though, if I have enough real estate on the larger ground bus, and all of my avionics are a foot away, should I still use the D-sub bus, or should I just use the other tabs instead?

On Wed, Aug 18, 2010 at 6:37 PM, stearman456 <warbirds(at)shaw.ca (warbirds(at)shaw.ca)> wrote:
[quote] --> AeroElectric-List message posted by: "stearman456" <warbirds(at)shaw.ca (warbirds(at)shaw.ca)>

I'm brand new around here, still reading Bob's book for the first time, and just tooling up to wire my Stearman restoration.  I have two questions:

1)  The wiring diagram available online for it is kinda poor, but can anyone confirm for me that a 14 v/50 amp Jasco 6555T-1 alternator will work with the B&C LR3C-14 controller?  I think it will but the online alternator schematic is rather crude.

and

2)   If using the B&C firewall bus kit, does the avionics ground bus Bob talks about (the panel bus) ultimately tie into it?

thanks,
Dan
warbirds(at)shaw.ca (warbirds(at)shaw.ca)




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BobsV35B(at)aol.com
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PostPosted: Wed Aug 18, 2010 3:55 pm    Post subject: Jasco Alternator and Panel Ground Questions Reply with quote

Good Afternoon Dan,

I do not know whether the B&C alternator controller will work or not. However, the Jasco folks will send you a wiring diagram for your Stearman that is right up to date. The original Jasco installation on my Stearman was done when no radio was anticipated. They now have a newer wiring diagram to be used when a radio is to be installed. I have found the Jasco folks to be very nice to work with.

Will we see you at Galesburg?

PS The B&C folks are also first class. I would not hesitate to call and ask them if you do not already have the Jasco Alternator Controller.

Happy Skies,

Old Bob
AKA
Bob Siegfried
Downers Grove, Illinois
Stearman N3977A
Buzz number 325

In a message dated 8/18/2010 5:40:49 P.M. Central Daylight Time, warbirds(at)shaw.ca writes:
Quote:
--> AeroElectric-List message posted by: "stearman456" <warbirds(at)shaw.ca>

I'm brand new around here, still reading Bob's book for the first time, and just tooling up to wire my Stearman restoration. I have two questions:

1) The wiring diagram available online for it is kinda poor, but can anyone confirm for me that a 14 v/50 amp Jasco 6555T-1 alternator will work with the B&C LR3C-14 controller? I think it will but the online alternator schematic is rather crude.

and

2) If using the B&C firewall bus kit, does the avionics ground bus Bob talks about (the panel bus) ultimately tie into it?

thanks,
Dan
warbirds(at)shaw.ca


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n8zg(at)att.net
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PostPosted: Wed Aug 18, 2010 4:12 pm    Post subject: Jasco Alternator and Panel Ground Questions Reply with quote

Dan -

Welcome!
I would expect most any wound-field alternator to play well with the LR3C.
A call to the manufacturer is in order.

If you choose to mount an avionics ground buss, it should tie directly to
the firewall-mounted ground buss.

Neal

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stearman456



Joined: 14 Aug 2010
Posts: 49

PostPosted: Wed Aug 18, 2010 7:38 pm    Post subject: Re: Jasco Alternator and Panel Ground Questions Reply with quote

Thanks for the help, guys. Rereading Bob's book I see now where the Avionics ground bus does tie to the main ground either with the three 20 gauge or two 14 gauge wires.

Won't see you at Galesburg this year Bob, but maybe in '12.

I'd sure like to use the LR3C-14 after reading about it (besides I already bought one!) as it looks like an overall simpler installation and comes complete with the OV protection and low voltage warning.

Dan


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