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OAT probe location

 
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Gordon Anderson



Joined: 16 Apr 2012
Posts: 41
Location: Switzerland
PostPosted: Mon May 20, 2013 12:15 pm    Post subject: OAT probe location Reply with quote
Old subject revisited, but I'm curious about whether placing the OAT probe under the right side horizontal stabilizer is much less accurate than in the "correct" position eg. in the wing inspection panels.

I mainly want to avoid adding 4 spliced junctions to make the wires long enough to reach the wings. (The sensor resistance is 15kOhm at RT so I understand that the joints shouldn't affect the reading significantly, they just aren't "nice".)

Does anyone have any data to say what the difference in temperature readings between these 2 locations would be on the RV-10?

Thanks!

Gordon Anderson

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jesse(at)saintaviation.co
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PostPosted: Mon May 20, 2013 2:09 pm    Post subject: OAT probe location Reply with quote
I can't talk about actual differences in temperature, but I have used both locations and have been happy with the results. I have used the naca inlet for the front air vents and that was not good. I would certainly prefer the wing, but under the HS on the right side woud be my next choice. You may get a little higher reading there due to the potential heat coming off the cowl, especially if you have the gills/vents on the right side of your cowl.

do not archive

Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com
C: 352-427-0285
F: 815-377-3694

On May 20, 2013, at 4:14 PM, Gordon Anderson <mregoan(at)hispeed.ch> wrote:

Quote:


Old subject revisited, but I'm curious about whether placing the OAT probe under the right side horizontal stabilizer is much less accurate than in the "correct" position eg. in the wing inspection panels.

I mainly want to avoid adding 4 spliced junctions to make the wires long enough to reach the wings. (The sensor resistance is 15kOhm at RT so I understand that the joints shouldn't affect the reading significantly, they just aren't "nice".)

Does anyone have any data to say what the difference in temperature readings between these 2 locations would be on the RV-10?

Thanks!

Gordon Anderson








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