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Dynon D-10A AOA?

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rparigor(at)SUFFOLK.LIB.N
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Posted: Fri Jul 21, 2006 10:32 pm Post subject: Dynon D-10A AOA?

I have a Dynon D10A I will be using on my Europa. I descided I will use

the supplied Europa Pitot/Static probes.



I am also installing a Europa Stall warning horn.



Think it is possable to hook up the stall warner port to the Dynon D10A

and get AOA information?



See page #3 and #7 for Europa stall warner port location:

http://www.europa-aircraft.biz/pdfs/modifications/Mod%2061a.pdf



See Dynon AOA blurb

http://www.dynonavionics.com/docs/D10A_Feature_AOA.html



Thx.

Ron Parigoris

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gmcjetpilot(at)yahoo.com
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Posted: Sat Jul 22, 2006 7:37 am Post subject: Dynon D-10A AOA?

 	  Quote: 	
		  posted by: <rparigor(at)suffolk.lib.ny.us (rparigor(at)suffolk.lib.ny.us)>



Think it is possible to hook up the stall warner 

port to the Dynon D10Aand get AOA information?

   
	


   

  May be. The trick would be to put the port in the 

leading edge to produce the same differential 

pressure as the Dyon probe, but that might be 

near inpossible. However you may get it to work 

as say just a stall indication? 

   

   

  The way I read it is they put the STALL PORT in 

  the leading edge so that at high angles of attacks 

it will produce a suction. I don't think the the Dynon

AOA probe with two ports (pitot and offset or differential 

AOA port) is designed so the AOA port has more 

or less pressure but no vacuum.  

   

  I have doubt that it will give GOOD AOA info thru 

the entire  range of angle of attack. It may be 

OK for say just one angle, say near stall. 

   

  The reason I think there may be a problem is the 

Europa method is in the leading edge. There is a 

lot of effect from the airfoil. It is quite different to 

be on the end of a AOA probe with flat or 

faceted faces. 

   

  If you could (and doubt this option is available) 

you could change the software of they Dynon. 

However I think the Dynon does allow you to 

make some adjustments or calibration thru 

the a flight test process.

   

  If it does not work you will not be out much. You 

just will not have a AOA. It's possible that if you 

put another port in a different location on the 

Wing L.E. than Europa specifies you may have 

better luck? You don't want to punch a bunch 

of holes in the L.E.

   

  Cheers George M



   

    

   

  

 

  



 



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