Today's Message Index:
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1. 06:15 AM - Re: Turnbuckles =?ISO-8859-1?Q?ain=99t?= cheap (tkreiner)
2. 09:21 AM - =?utf-8?Q?Re:__Turnbuckles_ain=99t_cheap? (Jack Textor)
3. 09:02 PM - Re: Turnbuckles =?ISO-8859-1?Q?ain=99t?= cheap (taildrags)
4. 09:11 PM - Re: Turnbuckles =?ISO-8859-1?Q?ain=99t?= cheap (taildrags)
Message 1
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| Subject: | Re: Turnbuckles =?ISO-8859-1?Q?ain=99t?= cheap |
Thats a neat way of tightening your drag and drag wires! Trading $1. For the sacrificial
cable rather than $20 for a turnbuckle makes great sense.
That said, when I zoom into the picture I only see a single wide crimp rather than
the triple crimp which is explained in AC 43.13. Perhaps this is just a demo
of the idea, and not the way your crimps will be when you actually assemble
the wing.
--------
Tom Kreiner
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=480598#480598
Message 2
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| Subject: | Re: ?Q?Re:_Pietenpol-List:_Turnbuckles_ain=99t_cheap? |
I too like the idea but wonder if the cable tensions change as the wood dries.
I can say I torqued the AN bolts on my wing after a couple years of hanging in
the rafters, every one needed tightening. Tom K, it appears Dan has one of the
wide crimpers, which Ive looked to buy but not found them.
Jack Textor
Sent from my iPad
> On Jun 2, 2018, at 1:10 PM, danoliver <danoliver909@gmail.com> wrote:
>
>
> The subject of turnbuckles and their cost is not new to this site. But Im gonna
bring it up once again. I think I found a way to eliminate the turnbuckles
on the drag and antidrag wires in the wings. If you look at the pictures of my
experiment below you can see that I simpy doubled up the cable and crimped the
ends at locations B and C. I tightened the turnbuckle and then crimped the sleeves
at A and D. After that I just cut out the turnbuckle to be used someplace
else. My question is to you all out there flying your Air Campers. Will these
cables need to be retightened over time or is it a set it and forget it kinda
thing?
>
> --------
> Dan O
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> Read this topic online here:
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> http://forums.matronics.com/viewtopic.php?p=480583#480583
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> Attachments:
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> http://forums.matronics.com//files/dd4e5012_b2aa_4436_85b0_3bcb4314baa3_440.jpeg
> http://forums.matronics.com//files/9eb24606_e6e8_4856_8161_916493de9b66_150.jpeg
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Message 3
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| Subject: | Re: Turnbuckles =?ISO-8859-1?Q?ain=99t?= cheap |
Jack; by "wide crimpers", what are you referring to? The conventional nicopress
tool makes three crimps close to each other in the single ferrule, all in one
pass. The hardware store crimper, as well as the hand-operated crimper that
Aircraft Spruce and others sell and that makes the crimp by the use of a crescent
wrench, box- or open-end wrench (ratcheting or not) turning a pair of bolts
that tighten down the crimping mandrels onto the ferrule, makes a single wide
crimp on the ferrule. All of the nicopressed cable connections on my airplane
are made with the conventional triple-crimp except for the ones that I made
on the tail brace wires when I replaced the galvanized cables with stainless.
I didn't have the big cable-cutter looking tool to make the triple crimp so
I use the hand tool which makes just one wide crimp on the cables.
--------
Oscar Zuniga
Medford, OR
Air Camper NX41CC "Scout"
A75 power, 72x36 Culver prop
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=480617#480617
Message 4
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| Subject: | Re: Turnbuckles =?ISO-8859-1?Q?ain=99t?= cheap |
Also, I can add my two cents to the question about the cable tension on the drag/anti-drag
wires. I acquired 41CC shortly after the test time was flown off
in 2004 and during every inspection from November 2004 till the present, including
demounting and remounting the wings several times in several different climates
and over time periods spanning several years, I have never detected any
change in the drag/anti-drag cable tension. The cables on 41CC are fitted with
turnbuckles but they remain safety wired in the position they were in when
Corky first covered them some 15+ years ago in Shreveport, Louisiana. They resided
in hot/humid San Antonio, Texas for 9 years and have been up here in cool
and dry Oregon for 7 years now with no apparent change in cable tension. I
think I would still install them if I were building from scratch, but experience
may indicate that initial tensioning fixed in place may be sufficient until
the wings are recovered.
--------
Oscar Zuniga
Medford, OR
Air Camper NX41CC "Scout"
A75 power, 72x36 Culver prop
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=480618#480618
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