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Control Cable Question

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LHusky

Joined: 19 Jun 2008
Posts: 86
Location: Madras, Oregon

Posted: Mon Aug 04, 2008 5:06 am Post subject: Control Cable Question

Can someone tell me if the control cables are galvanized or  stainless?  Zenith wants $71.00 for 100 feet, but I am finding it for under  $30.00 for 250 feet for galvanized, so I am thinking I am missing something  here.  Does it have the PVC coating on it?  Any help or suggestions on  this would be great.  I want to get it ordered and start  rigging!!   Airplane noises are much cooler if parts move!!!!!   

  

 Larry Husky 

 Madras, Oregon

  

  



Looking for a car that's sporty, fun and fits in your budget? Read reviews on AOL Autos.

  [quote][b]

jaybannist(at)cs.com
Guest

Posted: Mon Aug 04, 2008 5:21 am Post subject: Control Cable Question

Larry,

 

 My cable, from ZAC, is galvanized.  When doing price comparisons, just be sure you are comparing apples and apples.  "Aircraft cable" is not always really aircraft grade cable.  Some venders call it that because it is the right size and "looks" like aircraft cable.  Its kind of like "piano wire". You wouldn't put piano wire from Home Depot in a Steinway, would you?.

 

 Jay in Dallas

 

   

 

   

 

 --

psm(at)att.net
Guest

Posted: Mon Aug 04, 2008 6:54 am Post subject: Control Cable Question

Hi Larry,



 The kit cable is not coated with vinyl.



 I have compared the stainless cable with galvanized in the hardware store.  The difference is profound.  The stainless is much smoother and more flexible.  I suspect it would last a lot longer and maintain its length a lot better than the galvanized.



 I suppose you could use either one on your plane.  If your goal is to get minimum cost with reasonable safety then the galvanized might be the best choice.  On the other hand, if you want the nicest feeling plane you can get I suspect the stainless would be a better choice.



 Good luck,



 Paul

 XL getting close



 

 At 06:06 AM 8/4/2008, you wrote:



 [quote]Can someone tell me if the control cables are galvanized or stainless?  Zenith wants $71.00 for 100 feet, but I am finding it for under $30.00 for 250 feet for galvanized, so I am thinking I am missing something here.  Does it have the PVC coating on it?  Any help or suggestions on this would be great.  I want to get it ordered and start rigging!!   Airplane noises are much cooler if parts move!!!!!  

  

 Larry Husky 

 Madras, Oregon

  

  [b]

daveaustin2(at)primus.ca
Guest

Posted: Mon Aug 04, 2008 8:32 am Post subject: Control Cable Question

I've been lurking on the control cable subject and  will add my comments - I'd check with the FAA as a start.  Up here in  Canada there are strict requirement standards on them by our FAA, one of which  is that they must have the minimum count of wires in each sub-wind and a  minimum number of sub-winds to the cable.  I've tried to find the actual  specs but cannot put my hand on them.  Anyone else out there can come up  with the specs?  

 Wouldn't galvanized tend to crack and let moisture  in and develop rust or a weak spot?

 Dave Austin  601HDS - 912, Spitfire Mk  VIII

    [quote][b]

pdn8r(at)yahoo.com
Guest

Posted: Mon Aug 04, 2008 8:47 am Post subject: Control Cable Question

Galvanized cable does not rust.  That's why boat trailers for use in salt water are made of galvanized steel.  Both galvanized and stainless are available in like sizes from the supply houses.  Both are mil spec.



Here's the link for the cables from WIcks. 



http://www.wicksaircraft.com/catalog/product_cat.php/subid=5439/index.html  



Bill PaganEAA Tech Counselor #4395

--- On Mon, 8/4/08, Dave Austin <daveaustin2(at)primus.ca> wrote:

[quote]From: Dave Austin <daveaustin2(at)primus.ca>

Subject: Re: Control Cable Question

To: zenith601-list(at)matronics.com

Date: Monday, August 4, 2008, 12:31 PM



       I've been lurking on the control cable subject and  will add my comments - I'd check with the FAA as a start.  Up here in  Canada there are strict requirement standards on them by our FAA, one of which  is that they must have the minimum count of wires in each sub-wind and a  minimum number of sub-winds to the cable.  I've tried to find the actual  specs but cannot put my hand on them.  Anyone else out there can come up  with the specs?  

 Wouldn't galvanized tend to crack and let moisture  in and develop rust or a weak spot?

 Dave Austin  601HDS - 912, Spitfire Mk  VIII

            [quote][b]

LHusky

Joined: 19 Jun 2008
Posts: 86
Location: Madras, Oregon

Posted: Mon Aug 04, 2008 12:46 pm Post subject: Control Cable Question

Thanks for all the replies.  That helps a lot.  I am going to  order some tonight.  

  

 Larry

  

  In a message dated 8/4/2008 9:47:47 A.M. Pacific Daylight Time,  pdn8r(at)yahoo.com writes:

  	  Quote: 	
		                      Galvanized cable does not rust.  That's why boat          trailers for use in salt water are made of galvanized steel.  Both          galvanized and stainless are available in like sizes from the supply          houses.  Both are mil spec.



Here's the link for the cables          from WIcks.          



http://www.wicksaircraft.com/catalog/product_cat.php/subid=5439/index.html           



Bill PaganEAA          Tech Counselor #4395

---          On Mon, 8/4/08, Dave Austin <daveaustin2(at)primus.ca>          wrote:

          	  Quote: 	
		  From:            Dave Austin <daveaustin2(at)primus.ca>

Subject: Re:            Control Cable Question

To:            zenith601-list(at)matronics.com

Date: Monday, August 4, 2008, 12:31            PM



                                  I've been lurking on the control cable            subject and will add my comments - I'd check with the FAA as a            start.  Up here in Canada there are strict requirement standards            on them by our FAA, one of which is that they must have the minimum            count of wires in each sub-wind and a minimum number of sub-winds            to the cable.  I've tried to find the actual specs but cannot put            my hand on them.  Anyone else out there can come up with the            specs?  

           Wouldn't galvanized tend to crack and let            moisture in and develop rust or a weak spot?

           Dave Austin  601HDS - 912, Spitfire            Mk VIII

 	  Quote: 	
		  



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Looking for a car that's sporty, fun and fits in your budget? Read reviews on AOL Autos.

  [quote][b]

n4546v(at)mindspring.com
Guest

Posted: Mon Aug 04, 2008 1:12 pm Post subject: Control Cable Question

Hello Bill:

  

 Would you think it fair to add that the galvanizing  on both the cable and the boat trailer steel are coatings that protect the  ferrous base metals from rusting as long as the integrity of the coating is  maintained?  If the coating is compromised through wear or damage, the base  metal is then unprotected and can certainly rust.

  

 Stainless steel, on the other hand, is a very  corrosion resistant base metal that resists rust without a coating.   Note:  Even stainless steel is not "rust proof".  In extremely harsh  conditions, it will corrode as well, but there are many grades of stainless,  many of which are very corrosion resistant.

  

 What are the arguments of Galvanized verses  Stainless aircraft cables?

  

 Regards,

  

 Randy, Las Vegas

  

  

 [quote]    

   



                    Galvanized cable does not rust.  That's why boat          trailers for use in salt water are made of galvanized steel.  Both          galvanized and stainless are available in like sizes from the supply          houses.  Both are mil spec.



Here's the link for the cables          from WIcks. 



http://www.wicksaircraft.com/catalog/product_cat.php/subid=5439/index.html           



Bill PaganEAA          Tech Counselor #4395

          	  Quote: 	
		              	  Quote: 	
		   	


	
[b]

raymondj(at)frontiernet.n
Guest

Posted: Mon Aug 04, 2008 1:23 pm Post subject: Control Cable Question

Galvanized steel, cable or otherwise, does corrode. Galvanizing postpones 

the corrosion of the steel by corroding first.



Further information is available at:

http://www.galvanizeit.org/showContent,282,326.cfm#rates



Raymond Julian

Kettle River, MN



"Hope for the best,

but prepare for the worst."



---

Thruster87

Joined: 16 Apr 2008
Posts: 193
Location: Australia

Posted: Mon Aug 04, 2008 2:13 pm Post subject: Re: Control Cable Question

There are a couple of issues in deciding between SS and Galv.  First  galv. cable in the same 7 x 19 strands is more flexible  and is also stronger.SS cable is prone to cold embrittlement [high altitudes].SS is more corrosion resistant.Aircraft good quality cable is also lubricated on the inside during manufacture. Make sure if possible to pre- test load [stretch cables to highest load] all your cables after  Nico pressing or swagging. Cheers

planecrazydld(at)yahoo.co
Guest

Posted: Mon Aug 04, 2008 3:53 pm Post subject: Control Cable Question

when doing the proof load enclose the cable assembly full length in a piece of tubing or pipe. You would not believe the energy stored in those little cables...



David L. Downey

  Harleysville (SE) PA, USA



  

--- On Mon, 8/4/08, Thruster87 <alania(at)optusnet.com.au> wrote:

[quote]From: Thruster87 <alania(at)optusnet.com.au>

Subject: Re: Control Cable Question

To: zenith601-list(at)matronics.com

Date: Monday, August 4, 2008, 6:13 PM



[quote]--> Zenith601-List message posted by: "Thruster87"

<alania(at)optusnet.com.au>



There are a couple of issues in deciding between SS and Galv.  First  galv.

cable in the same 7 x 19 strands is more flexible  and is         [quote][b]

bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Mon Aug 04, 2008 7:23 pm Post subject: Control Cable Question

Chrome plating works that way but not zinc plating. If you scratch through chrome plating on steel, the underlying steel will begin to rust under the scratch. Zinc plating will protect the underlying steel even across small gaps in the plating. The zinc acts as the anode in the reaction and will oxidize before the steel. The steel will not rust until most of the zinc has corroded away.



As I recall, stainless steel cable has a bit lower tensile strength than galvanized steel cable of the same diameter and galvanized steel cost quite a bit less.



On Aug 4, 2008, at 5:12 PM, Randy L. Thwing wrote:

 	  Quote: 	
		  Hello Bill:

 

Would you think it fair to add that the galvanizing on both the cable and the boat trailer steel are coatings that protect the ferrous base metals from rusting as long as the integrity of the coating is maintained?  If the coating is compromised through wear or damage, the base metal is then unprotected and can certainly rust.

 

Stainless steel, on the other hand, is a very corrosion resistant base metal that resists rust without a coating.  Note:  Even stainless steel is not "rust proof".  In extremely harsh conditions, it will corrode as well, but there are many grades of stainless, many of which are very corrosion resistant.

 

What are the arguments of Galvanized verses Stainless aircraft cables?

 





	






 -- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus redrive.

do not archive.



 



 [quote][b]

_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

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