I am reluctant to just start cutting holes in the Leading Edge of the Wing. Sooo I thought I would ask for advice from builders how they installed their pitot tubes. It looks like it ought to go in the area where the lift strut comes into the wing. Thx. Rolly Clark
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How to Install the Pitot Tube in a QB Wing
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The idea is to keep it out of the prop wash and flap disturbance areas. Otherwise put it where you will have access to install / remove / inspect. Mine is in the outboard bay, others have put it in the bay just outboard of the strut attach with good results.
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Something I saw, albeit on a Kitfox IV, on pitot placement was locating it ahead of, and near the strut attachment point.
The thinking behind this was so that the strut would provide some protection to the tube as people walked around and under the wing.
John Massaro
Plans Building LSA - 091
Arizona
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Last edited by jaredyates; 01-13-2020, 10:24 AM.
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Originally posted by Zzz View PostEric, I noticed your pitot tube looked to extend about 12" past the leading edge. Is there a minimum length for that? Is there any aeronautical principle that requires a minimum distance from the leading edge? Maybe for "clean" air?
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Originally posted by ZzzEric, I noticed your pitot tube looked to extend about 12" past the leading edge. Is there a minimum length for that? Is there any aeronautical principle that requires a minimum distance from the leading edge? Maybe for "clean" air?
Eric Newton - Long Beach, MS
Bearhawk Tailwheels LLC
Bearhawk Manuals
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Has anybody installed the leading edge boom type pitot? I would like to do so but haven’t found any references for installation. I’m not sure how to seal up the hole in the front, support the boom, etc. Any pictures/experience would be greatly appreciated!Almost flying!
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It just seems that the underwing pitot is much better supported. There are plenty of mounting masts available, and it looks like if you want to have heat, that may be the only way to go. I have a heated under wing pitot standing by for installation, but just haven't had a chance to swap it out yet. When I get back to a computer I can look at my building log to try and find the photos of how I mounted the boom style pitot. It works, but it isn't particularly elegant.
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Hi AKKen07, I inherited my wing with a hole through the LE for the boom mount, and a combined P/S boom to match, so I thought I'd stick with it. Battson also convinced me about the merits of Dynon AOA probes, which only come with the under-wing type. So my plane will have both.
I'd always go with the under-wing type. It's easy enough to modify one of the inspection panels to accept it - search this forum and you'll see pictures of my effort, plus all the info I squeezed out of Dynon and the other builders about where to position this sort of probe. Haven't flown yet, but I'd definitely go underwing again, if only because if you change your mind / probe, you only have to change the panel, not patch the hole in the leading edge.
JamesThe Barrows Bearhawk: Who knew my wife could get jealous of a plane?
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