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AeroElectric-List Digest: 25 Msgs - 04/22/08

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CardinalNSB(at)aol.com
Guest

Posted: Wed Apr 23, 2008 1:26 pm Post subject: AeroElectric-List Digest: 25 Msgs - 04/22/08

...B) Decide that violation of 91.217 is an acceptable risk and feed the  

transponder from the non TSO'd altitude encoder contained in the Dynon  unit.....



  

 Well, how does one decide that the real physical risk of a non-TSO's over  a TSO product is acceptable?  How could I, even if I understood all  the tso testing and general electronics manufacturing business, make fact based  assessments as to the reliability of any electronic equipment unless I had a lab  and testing lab essentially?  

  

 I'm sure there is anecdotal evidence of the Dynon's reliability.   And I understand we might want to behave in ways that mitigate against a single  failure ruining my day.  But in a pinch, what tells me to trust one  instrument over another in a serious moment, especially when the error is not so  great to be obvious?    Skip 

 



 

  



Need a new ride? Check out the largest site for U.S. used car listings at AOL Autos.

  [quote][b]

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BobsV35B(at)aol.com
Guest

Posted: Wed Apr 23, 2008 3:06 pm Post subject: AeroElectric-List Digest: 25 Msgs - 04/22/08

Good Evening Skip,

  

  Do you intend to have only the Dynon for altitude information?



  

  I will not be flying IFR without having a standard altimeter for reference,  but that is part of my risk assessment.

  

 Here is my thought trail.

  



 What harm will befall me if the Dynon sends false information to the  transponder? 

  

 Or, --- What harm will befall me if the Dynon does not send any data to the  transponder? 

  

 When I have had a transponder send bad data (From fully certified and  TSO'd equipment by the way) to the FEDs, they have told me about it and asked  that I turn off the altitude function.

  

 So far, that has seemed to be within the acceptable risk that I am willing  to take.

  

 Whadda Ya think?

  

 Happy  Skies,



Old Bob

AKA

Bob Siegfried

Ancient Aviator

628 West  86th Street

Downers Grove, IL 60516

630 985-8502 

Stearman  N3977A

Brookeridge Air Park LL22

  

  In a message dated 4/23/2008 4:28:31 P.M. Central Daylight Time,  CardinalNSB(at)aol.com writes:

  	  Quote: 	
		        ...B) Decide that violation of 91.217 is an acceptable risk and feed    the 

transponder from the non TSO'd altitude encoder contained in the Dynon    unit.....



    

   Well, how does one decide that the real physical risk of a non-TSO's    over a TSO product is acceptable?  How could I, even if I understood    all the tso testing and general electronics manufacturing business, make fact    based assessments as to the reliability of any electronic equipment unless I    had a lab and testing lab essentially?  

    

   I'm sure there is anecdotal evidence of the Dynon's reliability.     And I understand we might want to behave in ways that mitigate against a    single failure ruining my day.  But in a pinch, what tells me to trust    one instrument over another in a serious moment, especially when the error is    not so great to be obvious?    Skip 

   



	






Need a new ride? Check out the largest site for U.S. used car listings at AOL Autos.

  [quote][b]

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