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Curt Thompson
Joined: 09 Jan 2009
Posts: 18
Location: Redmond, WA, USA
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 Posted: Fri Feb 08, 2013 8:24 pm Post subject: Drill a hole in the spar |
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I have a question related to the attached picture. I would like to run some wires and pitot lines from in front of the spar to behind the spar. What do you think about drilling a hole where I put the arrow, putting in a grommet, and running the stuff through?
Curt
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dougsnash
Joined: 14 Apr 2008
Posts: 281
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| Posted: Fri Feb 08, 2013 8:41 pm Post subject: Drill a hole in the spar |
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Generally, I would say no to drilling in that region. Your best bet would be to come through a lightening hole further out and come through the ribs aft of the fuel tank.
Best bet would be to ask Caleb at the factory.
Doug M
CH 701 from scratch
Sent from my iPad
On 2013-02-08, at 11:22 PM, Curt Thompson <charlievictor102(at)hotmail.com (charlievictor102(at)hotmail.com)> wrote:
[quote] <![endif]--> <![endif]-->
I have a question related to the attached picture. I would like to run some wires and pitot lines from in front of the spar to behind the spar. What do you think about drilling a hole where I put the arrow, putting in a grommet, and running the stuff through?
Curt
<IMG_0938.jpg>
[b]
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rvsimons
Joined: 18 Jan 2013
Posts: 22
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| Posted: Fri Feb 08, 2013 10:58 pm Post subject: Drill a hole in the spar |
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I have not built my wings yet but would agree with Doug. Any extra holes will weaken the spar. This look close to the wing attachment point. I would keep as much of the integrity here as possible.
Vance Simons
701 from kit
Spokane, WA On Feb 8, 2013 8:42 PM, "Doug MacDonald" <dougsnash(at)yahoo.com (dougsnash(at)yahoo.com)> wrote:[quote] Generally, I would say no to drilling in that region. Your best bet would be to come through a lightening hole further out and come through the ribs aft of the fuel tank.
Best bet would be to ask Caleb at the factory.
Doug M
CH 701 from scratch
Sent from my iPad
On 2013-02-08, at 11:22 PM, Curt Thompson <charlievictor102(at)hotmail.com (charlievictor102(at)hotmail.com)> wrote:
| Quote: |
I have a question related to the attached picture. I would like to run some wires and pitot lines from in front of the spar to behind the spar. What do you think about drilling a hole where I put the arrow, putting in a grommet, and running the stuff through?
Curt
<IMG_0938.jpg>
ist" target="_blank">http://www.matronics.com/Navigator?Zenith701801-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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[b]
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Vance Simons
Post Falls, Idaho
Zenith 701 |
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john.marzulli(at)gmail.co
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| Posted: Sat Feb 09, 2013 7:53 am Post subject: Drill a hole in the spar |
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I have a grommet and pass through for the pitot\AOA lines on the tiny inside most rib. From there there is plenty of room to move the lines into the cabin where ever you want.
[url=http://www.marzulliphoto.net/Other/701-Spring-Progress/16468612_zhWpp#!i=1239269363&k=eNG6N&lb=1&s=A]http://www.marzulliphoto.net/Other/701-Spring-Progress/16468612_zhWpp#!i=1239269363&k=eNG6N&lb=1&s=A[/url]
John Marzulli
http://MarzulliPhoto.net/
http://701Builder.blogspot.com/
On Fri, Feb 8, 2013 at 10:58 PM, Vance Simons <vancesimons(at)gmail.com (vancesimons(at)gmail.com)> wrote:
[quote]
I have not built my wings yet but would agree with Doug. Any extra holes will weaken the spar. This look close to the wing attachment point. I would keep as much of the integrity here as possible.
Vance Simons
701 from kit
Spokane, WA On Feb 8, 2013 8:42 PM, "Doug MacDonald" <dougsnash(at)yahoo.com (dougsnash(at)yahoo.com)> wrote:
| Quote: | Generally, I would say no to drilling in that region. Your best bet would be to come through a lightening hole further out and come through the ribs aft of the fuel tank.
Best bet would be to ask Caleb at the factory.
Doug M
CH 701 from scratch
Sent from my iPad
On 2013-02-08, at 11:22 PM, Curt Thompson <charlievictor102(at)hotmail.com (charlievictor102(at)hotmail.com)> wrote:
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ist" target="_blank">http://www.matronics.com/Navigator?Zenith701801-List
tp://forums.matronics.com
_blank">http://www.matronics.com/contribution
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[b]
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Curt Thompson
Joined: 09 Jan 2009
Posts: 18
Location: Redmond, WA, USA
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| Posted: Fri Feb 15, 2013 4:03 pm Post subject: Drill a hole in the spar |
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Attached is a picture of how I eventually ran the wires and lines. I made a strain relief to make a tight bend in the inner most nose rib.
Curt
From: owner-zenith701801-list-server(at)matronics.com [mailto:owner-zenith701801-list-server(at)matronics.com] On Behalf Of Curt Thompson
Sent: Friday, February 08, 2013 8:23 PM
To: zenith701801-list(at)matronics.com
Subject: Drill a hole in the spar
I have a question related to the attached picture. I would like to run some wires and pitot lines from in front of the spar to behind the spar. What do you think about drilling a hole where I put the arrow, putting in a grommet, and running the stuff through?
Curt
[quote][b]
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