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Z-11

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vaughnray(at)bvunet.net
Guest

Posted: Fri Apr 13, 2007 9:04 am Post subject: Z-11

Dang!

  

 I had not seen Rev 11 of the Z drawings. I  will incorporate this into my dual alternator schematic. The internal  Rotax alternator will be used as an auxillary, which means the electricity  that it generates will be absorbed by the 22mF capacitor unless the 40amp  eternal regulator fails. Am I right?

  

 Vaughn Teegarden

    [quote][b]

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mprather(at)spro.net
Guest

Posted: Fri Apr 13, 2007 10:45 am Post subject: Z-11

Vaughn,



I don't think that's precisely right..  Whichever alternator has a

regulator with the highest setpoint voltage (it's unlikely the setpoints

will be exactly equal) will provide all of the system power up to 100% of

the current it's capable of at that voltage.  The other alternator will

only deliver power to the system when the system voltage drops below that

alternator's setpoint voltage.



I gather the Rotax alternator is actually a permanent magnet dynamo.. 

Anytime the system voltage is above the regulator setpoint, the

regulator's connection between the dynamo output and the buss is opened

(gated off).  The AC voltage seen on the output of the dynamo will rise to

some peak value and remain there (50V?).  I don't think any capacitor is

involved.

Regards,



Matt-

 	  Quote: 	
		   Dang!



 I had not seen Rev 11 of the Z drawings. I will incorporate this into my

 dual alternator schematic. The internal Rotax alternator will be used as

 an auxillary, which means the electricity that it generates will be

 absorbed by the 22mF capacitor unless the 40amp eternal regulator fails.

 Am I right?



 Vaughn Teegarden

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Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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nuckollsr(at)cox.net
Guest

Posted: Fri Apr 13, 2007 2:32 pm Post subject: Z-11

At 01:04 PM 4/13/2007 -0400, you wrote:



 	  Quote: 	
		  Dang!



I had not seen Rev 11 of the Z drawings. I will incorporate this into my 

dual alternator schematic. The internal Rotax alternator will be used as 

an auxillary, which means the electricity that it generates will be 

absorbed by the 22mF capacitor unless the 40amp eternal regulator fails. 

Am I right?



Vaughn Teegarden


	




    Figure Z-11 is a single alternator system. If you want to combine

    a robust belt driven alternator with a permanent magnet backup

    (like the 18A machine on the Rotax) consider Z-13/8.



    The latest revisions of all the Z-drawings is available from

    the website at



http://aeroelectric.com/whatsnew.html



    Bob . . .



        ----------------------------------------

        ( IF one aspires to be "world class",  )

        ( what ever you do must be exercised   )

        ( EVERY day . . .                      )

        (                  R. L. Nuckolls III  )

        ----------------------------------------

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nuckollsr(at)cox.net
Guest

Posted: Fri Apr 13, 2007 2:37 pm Post subject: Z-11

At 01:04 PM 4/13/2007 -0400, you wrote:



 	  Quote: 	
		  Dang!



I had not seen Rev 11 of the Z drawings. I will incorporate this into my 

dual alternator schematic. The internal Rotax alternator will be used as 

an auxillary, which means the electricity that it generates will be 

absorbed by the 22mF capacitor unless the 40amp eternal regulator fails. 

Am I right?



Vaughn Teegarden


	




  Ooops. I missed the earlier posting with power distribution

  diagram. Ignore the earlier post on this thread.



        Bob . . .



        ----------------------------------------

        ( IF one aspires to be "world class",  )

        ( what ever you do must be exercised   )

        ( EVERY day . . .                      )

        (                  R. L. Nuckolls III  )

        ----------------------------------------

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vaughnray(at)bvunet.net
Guest

Posted: Sat Apr 14, 2007 9:04 am Post subject: Z-11

have attempted to incorporate the new rev 11  rotax alternator system into my dual alt system, as Mike Gregory suggested. PDF  file attached. I have also incorporated several changes made by list members  because they made too much sense to ignore. BOB, does this give me security in  the air. Thank you all.  

 Vaughn Teegarden

 Europa XS mono, Rotax  914

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