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fytrplt
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Sun Dec 03, 2017 8:23 pm 
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My Piper pitot blade installation.

Inside wing showing beef up plate.
Image

Up is forward. Tape is on rivet line.
Image

Another view.
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Bob Highley
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James Grahn
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Sun Dec 03, 2017 9:18 pm 
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Thorp Central sells Thorp wheel pants.
Cubes


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Jeff J
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Mon Dec 04, 2017 6:40 am 
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fytrplt wrote:
My Piper pitot blade installation.


Thanks for posting the pictures. Very helpful.


Cubes, you will be my first call when I when I start looking for wheel pants.

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"The joke in aviation is, 'If you want to make a million, you'd better start with £10m.' " -Bruce Dickinson


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TonyNZ
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Mon Dec 04, 2017 8:14 pm 
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Jeff finally got some pics for you. Pretty much the same as Bob's. The external location is in the same place proportionally as would be found on early Cherokee hershy bar wing. A simple folded bracket rivited to the rib and an access panel if you don't have one close by. Hope the pics are attched OK.
Tony S
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Jeff J
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Tue Dec 05, 2017 1:10 pm 
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More good pictures. Thanks Tony.

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"The joke in aviation is, 'If you want to make a million, you'd better start with £10m.' " -Bruce Dickinson


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Binder
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Sat Dec 09, 2017 11:23 am 
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Thanks to both of you for the pics! Those are very helpful. Looks like quite a bit of work for existing aircraft.

Is there a source for those access panel mounts? I like how it's recessed. I'll have to put one of those in and most likely use cherry max to secure the mount to the rib as a river gun will not fit inside a competed wing. Might just be easier to use the solid piping and axel clamps on the last wing rib.

Cubes, I'll check the thorp central page for the wheel pants. Thanks!


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TonyNZ
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Mon Dec 11, 2017 11:37 pm 
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Hi Jeff
Sat down and sketched this which hopefully will explain how I did my access panels.
Cheers
Tony


Attachments:
Wing Panel.docx [33.41 KiB]
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Binder
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Wed Dec 13, 2017 8:09 am 
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Thanks tony!

I think a bigger challenge will be finding a way to secure the pitot mount inside the competed wing. Rivet gun won't fit so maybe cherry max rivets?


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fytrplt
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Wed Dec 13, 2017 10:58 am 
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How about construction grade epoxy? I have used JB Weld on such.

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Bill Williams
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Wed Dec 13, 2017 12:50 pm 
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The auto industry uses "panel bond" to glue fenders etc. on car when repairing sheet metal. Available from auto body supply. It works!


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Jeff J
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Wed Dec 13, 2017 6:35 pm 
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Binder wrote:
Is there a source for those access panel mounts? I like how it's recessed...!


Your Cherokee should have some examples you could copy. Cubes may have something he could sell you or one of the salvage yards may have some mount rings with panels if you prefer not to make them yourself. You can have them check panel thickness before you buy so you know it will be flush.

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James Grahn
 Post subject: Re: Retrofit Pitot Tube
PostPosted: Wed Dec 13, 2017 9:58 pm 
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We do have access panels and mount rings that are generally used for the wing access to Aileron bellcranks.
Cubes


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