blakel
Joined: 24 Oct 2007
Posts: 5
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 Posted: Sun Mar 02, 2008 10:05 am Post subject: Yak-List Digest: 12 Msgs - 03/01/08 |
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Yak-List Digest Archive
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Total Messages Posted Sat 03/01/08: 12
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Today's Message Index:
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1. 01:25 AM - cable tension (Jerry Painter)
2. 09:19 AM - Re: cable tension (Walter Lannon)
3. 10:40 AM - Re: cable tension (Roger Kemp M.D.)
4. 11:11 AM - Re: cable tension (Brian Lloyd)
5. 01:58 PM - Re: cable tension (Brian Lloyd)
6. 05:36 PM - Re: cable tension (Walter Lannon)
7. 05:36 PM - Re: cable tension (Walter Lannon)
8. 07:02 PM - Re: cable tension (fish(at)aviation-tech.com)
9. 07:31 PM - Re: cable tension (Roger Kemp M.D.)
10. 08:07 PM - Re: cable tension (Roger Kemp M.D.)
11. 11:04 PM - Official Yak-List FAQ (Frequently Asked Questions) (Matt Dralle)
12. 11:05 PM - Official Yak-List Usage Guidelines (Matt Dralle)
________________________________ Message 1 _____________________________________
Time: 01:25:37 AM PST US
From: "Jerry Painter" <wild.blue(at)verizon.net>
Subject: cable tension
Dan--
Take a look in your AC 43-13. There's a table of typical tensions for
various standard cable sizes and strand counts at different temps. Don't
have one here or I'd give you the page. They're all English (not metric)
sizes so you may have to do a little interpolating. Or maybe Brian or Ma
rk
can give you the modulus of expansion for steel (sometimes the little gra
y
cells fail me, but I think its about .01'/100'), which is about the same
as
for concrete, and the formula for catenary sag vs. tension (if that has
anything to do with it) so you could calculate it. Just kidding.
Wish I could go to SnF, tho it be looka like spring lately roun hya.
Sometimes. Maybe.
Jerry Painter
chief pilot, CFI, A&P, airport bum,
permanent latrine orderly &c.
Wild Blue Aviation
Arlington Municipal Airport (KAWO)
Hangar A-6
19203 59th Dr. NE
Arlington, WA 98223
425-876-0865
JP(at)FlyWBA.com
http://www.FlyWBA.com
________________________________ Message 2 _____________________________________
Time: 09:19:01 AM PST US
From: Walter Lannon <wlannon(at)persona.ca>
Subject: Re: cable tension
Good Morning Jerry;
I can't recall seeing a tension table in 43-13. As I understand it cable tension
is affected by thermal expansion of aluminium airframe structure probably more
than the cable itself. If so a "generic" table would be of little value and
may be counter productive.
However, I have been known to be wrong so will check 43-13 later and get back.
It is definitely starting to look like spring is here!
Cheers;
Walt
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