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Homemade AOA help

 
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Michael Valentine



Joined: 09 Jan 2006
Posts: 108
PostPosted: Tue Jul 04, 2006 4:01 pm    Post subject: Homemade AOA help Reply with quote
To those of you that have made your AOA from the plans at CH601.org:
I had Scott make me a probe and now I have to find the tubing to fit.
The drawing says 3/16 plastic tubing - I have finally figured that
3/16 must be the I/D, correct?

Assuming that is correct, I have found vinyl tubing that is 5/16 O/D
and 3/16 I/D, but I wanted to use more rigid tubing, like
polyethylene. Has anyone found that kind of tubing at a HomeDepot or
such? I have looked at places like Wicks and Aircraft Spruce - they
often don't list an inner diameter - at least I have had trouble
figuring which one is correct.

If you have rigged your probe and gauge, please let me know what kind
of tubing you used and, if possible, your source.

Thanks, Michael Valentine

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p.mulwitz(at)worldnet.att
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PostPosted: Tue Jul 04, 2006 5:08 pm    Post subject: Homemade AOA help Reply with quote
I used the 1/4" OD nylaflow tubing from Aircraft Spruce, and made
connections with 1/4" ID rubber tubing and home-made clamps. The
clamps are a couple of turns of heavy safety wire twisted tight with
the safety wire pliers. This same combination works for the
pitot/static probe too.

I'm sure there are many other satisfactory choices for this
application. Take a look: http://www.aircraftspruce.com/menus/ap/tubing.html

Paul
XL fuselage
Quote:
To those of you that have made your AOA from the plans at CH601.org:
I had Scott make me a probe and now I have to find the tubing to fit.
The drawing says 3/16 plastic tubing - I have finally figured that
3/16 must be the I/D, correct?



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moorecomp(at)yahoo.com
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PostPosted: Wed Jul 05, 2006 5:14 am    Post subject: Homemade AOA help Reply with quote
Michael,

I believe you will find the poly tubing used for
hooking up the icemaker in your fridge/freezer may be
the correct size. I saw that it is listed as 1/4" O.D.
at Ace Hardware.

Craig Moore

--- Michael Valentine <mgvalentine(at)gmail.com> wrote:

Quote:

Valentine" <mgvalentine(at)gmail.com>

To those of you that have made your AOA from the
plans at CH601.org:
I had Scott make me a probe and now I have to find
the tubing to fit.
The drawing says 3/16 plastic tubing - I have
finally figured that
3/16 must be the I/D, correct?

Assuming that is correct, I have found vinyl tubing
that is 5/16 O/D
and 3/16 I/D, but I wanted to use more rigid tubing,
like
polyethylene. Has anyone found that kind of tubing
at a HomeDepot or
such? I have looked at places like Wicks and
Aircraft Spruce - they
often don't list an inner diameter - at least I have
had trouble
figuring which one is correct.

If you have rigged your probe and gauge, please let
me know what kind
of tubing you used and, if possible, your source.

Thanks, Michael Valentine

do not archive

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savannah174(at)msn.com
Guest
PostPosted: Wed Jul 05, 2006 7:50 am    Post subject: Homemade AOA help Reply with quote
Michael, I bought the 3/16 ID tubing at home depot (20 ft roll) for $2.49.
Cheers
RJ
---

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