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Primary and B/U Alt Fields on Master Bus

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nuckolls.bob(at)aeroelect
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Posted: Thu May 13, 2021 7:26 pm Post subject: Primary and B/U Alt Fields on Master Bus

At 04:43 PM 5/13/2021, you wrote:

  	  Quote: 	
		  Bud,



 I put everything on one bus except a couple of tiny loads which are attached to a small always-on bus. Here are  all of my wiring diagrams. The fileÂ 



  [img]https://drive-thirdparty.googleusercontent.com/16/type/application/pdf[/img]   Â engine.pdf

 Â is the one that has the bus architecture and the alternators. 	
 

    Figure Z-13 shows the optimal application of

    the diminutive SD-8 into a two alternator

    system. On of the design goals was to

    eliminate the battery contactor load of

    approx 0.6 to 0.8 amps when flying on

    battery only. Eliminating that load was

    also useful for maximizing available

    energy from the SD-8.



    If you're not going to have an e-bus,

    the tie both alternators to the main bus

    as depicted in Z-12.



    Have you done a load analysis of the

    easily anticipated failure conditions

    for formulate your plan-b 

    flight configuration?



 

 

   Bob . . .



   Un impeachable logic: George Carlin asked, "If black boxes

   survive crashes, why don't they make the whole airplane

   out of that stuff?"

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