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Pitot tube

 
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cjhukill(at)cox.net
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PostPosted: Wed Dec 26, 2007 9:20 am    Post subject: Pitot tube Reply with quote

John

The Dynon heated Pitot/AOA probe that I have must be different than yours, as the new heated ones have about 1/8 inch thickness of nickel steel where the screws go into, and drilling / tapping them was not an issue. The plumbing and wires are in the center where they aren't likely to be hit with the drill going in, although I would certainly watch my depth while drilling, as it states in the instructions.

Chris Hukill



From: "johngoodman" <johngoodman(at)earthlink.net (johngoodman(at)earthlink.net)>
Chris, I'm going the same route, except I was foolish enough to put it where Van's
probe went. The aileron push tube is a problem there but manageable. Fortunately,
I was warned, so I'll pass it on. The Dynon tube's metal - where you screw
it to the Gretz mount - is very soft and thin. Drilling is not too bad but
tapping the holes for screws must be done very carefully.
John
[quote=" I installed the new Dynon heated pitot / AOA probe, which is fabricated
from nickel and it looks like a real quality unit. I plan on at least one
Dynon box, which will give me visual and aural AOA / stall warning. The probe
also is temperature controlled for low current draw, and has fault annunciation
on a Dynon box, or a stand alone LED if not using a Dynon box. My experience
with the Dynon system I have in the RV8 couldn't be better. The system is
rock solid, and loaded with features.

Chris Hukill
shaving bottom wing skins to fit
/quote]

--------
#40572 QB Wings, QB Fuse arrived
N711JG reserved

[quote][b]


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johngoodman



Joined: 18 Sep 2006
Posts: 530
Location: GA

PostPosted: Thu Dec 27, 2007 9:20 am    Post subject: Re: Pitot tube Reply with quote

Chris,
I guess I didn't make it clear. Mine is just like yours. Drilling was a minor issue but tapping must be done very carefully because the metal is so soft.
John

Quote:
The Dynon heated Pitot/AOA probe that I have must be different than yours, as the new heated ones have about 1/8 inch thickness of nickel steel where the screws go into, and drilling / tapping them was not an issue. The plumbing and wires are in the center where they aren't likely to be hit with the drill going in, although I would certainly watch my depth while drilling, as it states in the instructions.

Chris Hukill


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patrick.pulis(at)seagas.c
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PostPosted: Thu Dec 27, 2007 2:27 pm    Post subject: Pitot tube Reply with quote

Hi guys, I have the same pitot. Could you please tell me what size
drill and tap you used for your pitot in order to enable mounting to the
Gretz mount.

Many thanks in anticipation.

Patrick
#40299 VH-XPP
Adelaide, South Australia

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johngoodman



Joined: 18 Sep 2006
Posts: 530
Location: GA

PostPosted: Thu Dec 27, 2007 6:33 pm    Post subject: Re: Pitot tube Reply with quote

patrick.pulis(at)seagas.c wrote:
Hi guys, I have the same pitot. Could you please tell me what size
drill and tap you used for your pitot in order to enable mounting to the
Gretz mount.

Many thanks in anticipation.

Patrick
#40299 VH-XPP
Adelaide, South Australia

--


Patrick,
I'll have to check my notes but I think I drilled it out to a #6 screw. Got stainless steel ones from Aircraft Spruce.
John


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patrick.pulis(at)seagas.c
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PostPosted: Thu Dec 27, 2007 8:07 pm    Post subject: Pitot tube Reply with quote

Thanks John, I'd appreciate the drill and tap size when you get a chance
- no hurry.

Wishing you a safe and happy new year mate.

Regards

Pat

Do Not Archive

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dlm46007(at)cox.net
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PostPosted: Fri Dec 28, 2007 4:01 am    Post subject: Pitot tube Reply with quote

I suggest the "Aircraft Maintenance Handbook". All the stuff you ever wanted
to know and then some. One of the books on the original book list for my A&P
license. Mine is at the hangar or I would find the size for you

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