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03-20-2009, 08:49 AM
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Join Date: Nov 2005
Posts: 73
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Home Made AOA?
About a year ago I saw a thread here that showed how someone made their own Pito/AOA. It was as simple as a couple pieces of tubing...one straight and the other bent down on an angle. I think they used it with their Dynon.
I have looked, but can't find it again...anyone remember this know where to look?
Thanks,
Dan
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03-20-2009, 12:51 PM
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Join Date: Jul 2007
Location: Litchfield Park, AZ
Posts: 1,017
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AOA
__________________
Carlos in Arizona
EAA Chapter 538 www.chapters.eaa.org/eaa538
Wittman Tailwind W8 N53CH (built & sold)
Pazmany PL-1 N2029 (bought & sold)
RV7 - N537TC (reserved & building)
Emp, Wings & Fuse done - working on FWF
"The air is an extremely dangerous, jealous and exacting mistress. Once under the spell most lovers are faithful to the end, which is not always old age." - Winston Churchill
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03-20-2009, 05:05 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Quote:
Originally Posted by DanB
About a year ago I saw a thread here that showed how someone made their own Pito/AOA. It was as simple as a couple pieces of tubing...one straight and the other bent down on an angle. I think they used it with their Dynon.
I have looked, but can't find it again...anyone remember this know where to look?
Thanks,
Dan
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I just made one for my -6 a few months ago. Works great.
I took my standard RV pitot and J-B Welded a second tube nesting behind it and bent the forward end down 60 degrees.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
Last edited by Mel : 03-21-2009 at 06:41 AM.
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03-20-2009, 05:48 PM
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Join Date: Nov 2005
Posts: 73
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AOA
Thanks Mel,
Just what I needed to get started.
Dan
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03-20-2009, 06:57 PM
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Join Date: Feb 2005
Location: Victoria B.C.
Posts: 1,265
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Quote:
Originally Posted by Mel
I just made one for my -6 a few months ago. Works great.
I took the standard RV pitot and J-B Welded a second tube nesting behind it and bent the forward end down 60 degrees.
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There you go Mel, I knew you were a frugal guy. Good on you! |
03-20-2009, 07:00 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Quote:
Originally Posted by Norman CYYJ
There you go Mel, I knew you were a frugal guy. Good on you!
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I also have a heated version that involves duct tape and a 12V hair dryer. (Experimental Only!)
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
Last edited by Mel : 03-20-2009 at 07:03 PM.
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03-20-2009, 07:16 PM
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Join Date: Feb 2005
Location: Victoria B.C.
Posts: 1,265
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That's why your wife is not speaking to you these days. Great idea though. I might make a suggestion , make it removable so that in the event of ice on the wings you can use it to defrost them before flying.
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03-20-2009, 08:48 PM
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Join Date: Jan 2005
Location: Clarion, Pennsylvania
Posts: 549
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Mel, did you then insert a t-fitting into the pitot line and run a branch to your AOA indicator, along with a second line from your new tube?
-Andy
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-Andy Turner
RV-10 N784JC
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03-21-2009, 06:40 AM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,762
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Nope!
Quote:
Originally Posted by aturner
Mel, did you then insert a t-fitting into the pitot line and run a branch to your AOA indicator, along with a second line from your new tube?
-Andy
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My original pitot line is unchanged. I just added the AOA line.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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03-21-2009, 02:24 PM
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been here awhile
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Join Date: Dec 2004
Location: North Alabama
Posts: 4,300
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Quote:
Originally Posted by aturner
Mel, did you then insert a t-fitting into the pitot line and run a branch to your AOA indicator, along with a second line from your new tube?
-Andy
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Quote:
Originally Posted by Mel
My original pitot line is unchanged. I just added the AOA line.
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I believe Mel is using his "custom" AOA probe with a Dynon EFIS. The Dynon only requires a single line from the AOA probe since it already has a pitot line attached to it for the EFIS functions. If building a standalone AOA, yes, you would need to tee into the existing pitot line for the AOA high pressure port and also add the line for the low pressure AOA probe. |
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