Today's Message Index:
----------------------
 
     1. 08:53 AM - Ammeter spike (William Daniell)
     2. 12:32 PM - Re: Ammeter spike (Pete)
 
 
 

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Time: 
08:53:36 AM PST US
From: 
William Daniell <wdaniell.longport@gmail.com>
Subject: 
Ammeter spike
      
      I have a dynon skyview and the ammeter reads off the shunt per dynon
      manual.  My electrical system is standard europa without deviation and i
      have a rotax 912
      
      The last time a flew when i started the engine had a red x over the ammeter
      (ie not working) where it had worked on the previous flight.
      
      I pulled the alt 30A cb which reset the "instrument" and thereafter it read
      normally.  I left the 30A battery cb set during this process.
      
      My question:  When I pulled the cb the amp reading, once it came alive,
      spiked up to 60A.  I immediately reset the cb and everything settled back
      down to its normal readings.
      
      Is this spike normal?
      
      Thanks
      
      Will
      

Message 2


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Time: 
12:32:34 PM PST US
Subject: 
Re: Ammeter spike
From: 
Pete <peterz@zutrasoft.com>
      
      
      Depending upon where the large capacitor is, yes, it could spike like that of it
      was discharged.
      
      > On Oct 6, 2017, at 11:52 AM, William Daniell <wdaniell.longport@gmail.com> wrote:
      > 
      > I have a dynon skyview and the ammeter reads off the shunt per dynon manual.
      My electrical system is standard europa without deviation and i have a rotax
      912 
      > 
      > The last time a flew when i started the engine had a red x over the ammeter (ie
      not working) where it had worked on the previous flight.
      > 
      > I pulled the alt 30A cb which reset the "instrument" and thereafter it read normally.
      I left the 30A battery cb set during this process.
      > 
      > My question:  When I pulled the cb the amp reading, once it came alive, spiked
      up to 60A.  I immediately reset the cb and everything settled back down to its
      normal readings.
      > 
      > Is this spike normal?
      > 
      > Thanks
      > 
      > Will
      
      








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