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Maybe daft question but...

 
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stephen vestuti



Joined: 05 Jul 2011
Posts: 62
Location: Wales, UK
PostPosted: Sun Sep 09, 2012 9:21 am    Post subject: Maybe daft question but... Reply with quote
Can anyone answer as to weather the standard Europa factory wing fitted stall warner
could be connected instead as an AoA indicator? Eg. to the AoA pneumatic
input of one of the Efis systems,

Steve #630

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rparigoris



Joined: 24 Nov 2009
Posts: 796
PostPosted: Sun Sep 09, 2012 11:18 am    Post subject: Maybe daft question but... Reply with quote
Hi Steve
The Dynon input for AOA needs greater pressure for higher AOA, not less like the Europa stall warner provides.
I'm not flying yet, but here is my plan for home grown AOA probe:
http://www.europaowners.org/main.php?g2_itemId=28926

Ron Parigoris
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jimpuglise(at)comcast.net
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PostPosted: Sun Sep 09, 2012 12:40 pm    Post subject: Maybe daft question but... Reply with quote
Steve-

Logic tells me "no." The Europa warner is digital, in that it depends on the angle of the air meeting it to flip it up, where it makes contact. The difference in AOA between where it is in the down position and where it is in the up position is probably very small. I have the Dynon AOA and it depends on the pressure differential between the two probes. As AOA increases, the pressure on the "normal" input is reduced, and the pressure on the lower probe is increased.  The internal computer compares them and gives you AOA.
Jim Puglise
N283JL

From: "stephen vestuti" <s.vestuti(at)gmail.com>
To: europa-list(at)matronics.com
Sent: Sunday, September 9, 2012 1:21:16 PM
Subject: Maybe daft question but...

--> Europa-List message posted by: "stephen vestuti" <s.vestuti(at)gmail.com>

Can anyone answer as to weather the standard Europa factory wing fitted stall warner
could be connected instead as an AoA indicator? Eg. to the AoA pneumatic
input of one of the Efis systems,

Steve #630


Read this topic online here:

http://forums.matronics.cbsp; -Matt Dralle, List Adm=========

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jrgowing(at)bigpond.net.a
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PostPosted: Sun Sep 09, 2012 11:48 pm    Post subject: Maybe daft question but... Reply with quote
Thank you Lisa
JR

From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of rparigor(at)suffolk.lib.ny.us
Sent: Monday, 10 September 2012 5:17 AM
To: Europa
Subject: Re: Maybe daft question but...

Hi Steve
The Dynon input for AOA needs greater pressure for higher AOA, not less like the Europa stall warner provides.
I'm not flying yet, but here is my plan for home grown AOA probe:
http://www.europaowners.org/main.php?g2_itemId=28926

Ron Parigoris
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stephen vestuti



Joined: 05 Jul 2011
Posts: 62
Location: Wales, UK
PostPosted: Mon Sep 10, 2012 2:07 am    Post subject: Re: Maybe daft question but... Reply with quote
Ok, it looks like it's not possible
without major modification and even
then it will need intense set up,

thanks,
Steve #630

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