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E-Bus Avionics Switch ?

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billschlatterer(at)sbcglo
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Posted: Mon Jan 09, 2006 6:04 pm Post subject: E-Bus Avionics Switch ?



Just thinking? On any of the Endurance Bus drawings. Other than the "don't

really need it" discussion and parts count issue, what would the downsides

be of adding a S704 contactor between the D25 and E-Bus so that you

effectively used the whole E-bus as an Avionics bus. This would assume that

the E-bus load can be easily carried by the S704 which I think is rated at

20 amps and has low continuous draw. It would actually save several

switches for EFIS systems like the GRT which are not internally switched.

Comments appreciated.

Thanks Bill S

7a Ark

Wiring as we speak

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lhelming(at)sigecom.net
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Posted: Sat Jan 14, 2006 5:12 am Post subject: E-Bus Avionics Switch ?

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sportav8r(at)aol.com
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Posted: Sat Jan 14, 2006 8:44 am Post subject: E-Bus Avionics Switch ?

Exactly what I'm planning, and for the same reasons (keeping GRT EFIS off during cranking, etc.)  I will / should have my Excel file finished by tonight, showing this architecture with relay feed for both the primart and backup e-bus feed paths, as well as a way to share one OVP crowbar module automatically between two alternators (main and SD-.

 

-Bill B 

 

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