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Dynon AOA homemade 1 of 3

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rparigor(at)suffolk.lib.n
Guest

Posted: Tue Sep 18, 2007 6:52 am Post subject: Dynon AOA homemade 1 of 3

Figured this may be of interest, it is a paste from Aeroelectric

Newsgroup.



Will try and attach pics in 2 more.



Ron Parigoris



Date:  Monday, September 17 2007 11:51 pm 

From:  Tim Shankland <tshankland(at)sbcglobal.net>  

To:  avionics-list(at)matronics.com  

Reply-To:  avionics-list(at)matronics.com  

Subject:  Avionics-List: AOA for your Dynon 

Full Headers:  Display Headers 

Attachments:  Part 1 noname (TEXT/PLAIN 7bit 1207 bytes) Hide 

Part 2 101_1466small.jpg (IMAGE/JPEG base64 338548 bytes) View 

Part 3 101_1467small.jpg (IMAGE/JPEG base64 444246 bytes) View 



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For all of you who have or are thinking of buying the Dynon and think

you would like to be able to use the angle of  attack indicator it

doesn't have to cost another $200. I bought my Dynon for the attitude

display and everything else was gravy. It wasn't until after I was

flying with it I even realized that it have the AOA option. Being a

builder oh and cheap too, I though $200 was a lot to pay so I looked

into Dynon's and other AOA devices. Well anyway I made my own probe,

cost nothing time about an hour or so and I can report it works great.

Attached are a couple of pictures of the installation. The trick to ease

of fabrication is that I used copper tubing, easier to solder together.

The pitot tube is at a right angle to the support tube and the

additional tube is angled 45 degrees down. To hold it I made a slot in

the circular piece of 1/8 inch aluminum, I used my mill but it can be

done with a drill and careful file work.. Mine as a snug fit to which I

added epoxy. By the way don't start on how that copper is going to

corrode with the aluminum I keep my plane inside and dry and I haven't

seen any at other interfaces in the past year.



Tim Shankland

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UVTReith(at)aol.com
Guest

Posted: Wed Sep 19, 2007 8:13 am Post subject: Dynon AOA homemade 1 of 3

Hi Tim Shankland and Ron Parigoris,

  

 This is a great story with the AOA device for the Dynon, but I cannot open  pictures or so.

 Can you send some more info again?

  

 I'm using the EFIS-D100 and have the Europa stall warner tubingsystem  installed.

 I thought, when I connect the stall warner tube also with the AOA  port and the Pitot tube also with the Pitot port of the instrument, that  this would be ok. In this case I have both - a superb display in my EFIS and a  sound machine above my head.

  

 Do I missed something? Is my solution not working?

 Some Input from experts are warmly welcome.

  

 Best Regards,

  

 Bruno Reith

 monowheel XS, smart-Brabus + Warp Drive Prop

 Nearly ready, instrument + Com/Nav installation and final check  is on the list now.

     [quote][b]

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rparigor(at)suffolk.lib.n
Guest

Posted: Wed Sep 19, 2007 8:40 am Post subject: Dynon AOA homemade 1 of 3

Hi Bruno



"This is a great story with the AOA device for the Dynon, but I cannot

open pictures or so. Can you send some more info again?"



My Library ISP bounced the pics because they are too large. I tried to

send through my Hotmail account, and bounced because I am not signed up to

Europa Newsgroup.



I sent to you direct from Hotmail. If you can please try and post them to

this thread for others.



Stall warner goes lower pressure near stall, where AOA input for Dynon is

looking for higher pressure near stall.



Don't know what you are going to get with Dynon if you input reverse what

is called for. 



Ron P.

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josok-e(at)ukolo.fi
Guest

Posted: Wed Sep 19, 2007 10:10 am Post subject: Dynon AOA homemade 1 of 3

Hi Ron, Bruno

Well, i tried it today finally, that is using the stall warner for the Dynon AoA warner. It does not work. I was hoping that the Dynon would register difference without polarity. It does notice polarity. Ron you were right about it. I have the original Dynon tube, will install that later. 



Regards,



Jos Okhuijsen

Visit -  www.EuropaOwners.org

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