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pitot tube

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icubob(at)gmail.com
Guest

Posted: Tue Nov 03, 2009 10:12 am Post subject: pitot tube

hi all,

  what inside diameter for a piot tube is being used successfully?

  thanks bob noffs

  [quote][b]

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propellerdesign(at)tele2.
Guest

Posted: Tue Nov 03, 2009 12:05 pm Post subject: pitot tube

It doesn't matter what diameter, the static +  dynamic pressure will be the same.

  

 Jan

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lcfitt(at)sbcglobal.net
Guest

Posted: Tue Nov 03, 2009 12:08 pm Post subject: pitot tube

Bob,



My factory pitot tube from Kitfox is 0.25" od and 0.182 id. aluminum tube.



Lowell

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icubob(at)gmail.com
Guest

Posted: Wed Nov 04, 2009 11:46 am Post subject: pitot tube

thanks lowell,

  i am thinking of using nylaflo tubing to the pitot , made of alum.

  i guess i will have to do a little mix and match to get the alum. fittings to all fit together.

  bob noffs

 On Tue, Nov 3, 2009 at 2:03 PM, Lowell Fitt <lcfitt(at)sbcglobal.net (lcfitt(at)sbcglobal.net)> wrote:

 [quote]--> Kitfox-List message posted by: "Lowell Fitt" <lcfitt(at)sbcglobal.net (lcfitt(at)sbcglobal.net)>

 

Bob,



My factory pitot tube from Kitfox is 0.25" od and 0.182 id. aluminum tube.



Lowell

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icubob(at)gmail.com
Guest

Posted: Wed Nov 04, 2009 3:02 pm Post subject: pitot tube

another question................what is being used to connect the pitot to the cabin? something semi rigid like nylo-seal or soft , flexible tubing that can be hose clamped to a ''barb''?

  bob noffs

                              

  [quote][b]

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lcfitt(at)sbcglobal.net
Guest

Posted: Wed Nov 04, 2009 4:37 pm Post subject: pitot tube

Bob,



The typical material is polyethylene tubing.  Check the fittings on the 

instruments for fittings and size, mine is 1/4 od.  As I recall, with the 

simple bent aluminum pitot tube a short length of 1/4" ID tubing is used to 

connect the two in the wing. I plan on using some kind of sealant there. 

Maybe Fuellube and a couple of nylon wire ties.



Lowell

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icubob(at)gmail.com
Guest

Posted: Thu Nov 05, 2009 5:00 am Post subject: pitot tube

hi lowell,

  is your ''poly'' tubing soft and flexible, secured with a hose clamp or is it semi rigid , requiring the compression fittings?

  thanks , bob noffs

  [quote][b]

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occom

Joined: 26 Aug 2006
Posts: 404

Posted: Thu Nov 05, 2009 12:55 pm Post subject: pitot tube

HI Bob, Mine is slipped over the aluminum pitot  tube about 1.5" and secured with a zip tie. at the ASI it goes inside a 1/4" ID  soft clear fuel type line which bridges between the Black poly line and the ASI  barbed fitting. Zip ties over both. There is no high pressure here, you are  unlikely to ever see even a 1 full PSI over static pressure. 

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