cutting flexible pushrods  
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All Forums >> RC Airplanes >> Beginners >> cutting flexible pushrods
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cutting flexible pushrods - 7/14/2008 8:37:54 PM   
farr301


 

Posts: 124
Joined: 8/11/2007
From: Allen, TX, USA
Status: offline 		What is the best way to cut a flexible cable pushrod so that the ends won't be frayed?

farr301
       Post #: 1

RE: cutting flexible pushrods - 7/14/2008 9:05:43 PM   
Jburry



Posts: 560
Joined: 7/12/2006
From: Cape Spencer, NB, CANADA
Status: offline 		Stranded steel cable?

There are cable cutters that are made for this. If you compare wire cutters to hedge pruning shears, you'll notice most wire cutters are what is called "anvil" style, the edges butt together to cut the wire. Cable cutters that work well for this are of the "bypass" style where one blade passes by the other, like scissors.

I personally tend to wrap a turn or 2 of electrical tape around where I want to cut, and use a dremel with a fiber reinforced cut-off wheel. Cut thru the tape and the wire, and the tape helps prevent fraying. I do this because I have a dremel and am too cheap to buy the correct cutters.

Since you'll likely need to solder an end on the wire, you can also "tin" (soak with solder) the spot where you want to cut. Then you can cut it with any decent wire cutters, and it'll cut without fraying, as it's all bonded together there.

J

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RE: cutting flexible pushrods - 7/14/2008 9:10:19 PM   
Allfat


 

Posts: 173
Joined: 4/22/2008
From: Portland, OR, USA
Status: online 		You can also use a peice of heat shrink tubing. I have used that before on cables and it works well.

(in reply to Jburry)
       Post #: 3

RE: cutting flexible pushrods - 7/14/2008 10:02:01 PM   
shd3920


 

Posts: 266
Joined: 8/6/2007
From: Pittsfield, MA, USA
Status: offline 		Cutters like these are perfect for the job. I wouldn't know what I'd do without mine.

http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXKZ34&P=ML

(in reply to Allfat)
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RE: cutting flexible pushrods - 7/15/2008 2:53:07 AM   
safeTwire


 

Posts: 171
Joined: 3/3/2003
From: Rye Brook, NY, USA
Status: offline 		Another method: Sever the cable using a chisel (for metalwork) struck against a steel anvil with a good weight hammer. The back/anvil portion of a vise is good to use. Always wear eye protection.

(in reply to shd3920)
       Post #: 5

RE: cutting flexible pushrods - 7/15/2008 3:23:02 AM   
horace315



Posts: 695
Joined: 9/23/2003
From: va beach, VA, USA
Status: offline 		use a bench grinder if you don't have anything else.you can mouse the end of the cable with copper wire until you get it cut.

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If the good Lord didn't want us to rub, he wouldn't have invented fenders!

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RE: cutting flexible pushrods - 7/15/2008 3:42:31 AM   
Charlie P.



Posts: 2281
Joined: 2/25/2003
From: High Above Upstate, NY, USA
Status: offline 		Silver solder the cable first at the point of the cut so it has 1/4" wicked in on either side. Then use a flush-cutter or Dremel cutoff saw.

_____________________________

Charlie P.
"Gravity is weak but it is persistant" AMA 747089/IMAA 30723

Oh Lord, your earth is so hard and my planes are so frail.

(in reply to horace315)
       Post #: 7

RE: cutting flexible pushrods - 7/15/2008 4:48:47 AM   
farr301


 

Posts: 124
Joined: 8/11/2007
From: Allen, TX, USA
Status: offline 		ok. thanks.

farr301

(in reply to Charlie P.)
       Post #: 8

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