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Author Topic: Thimble size for wrapping lines  (Read 922 times)

Offline kevin king

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Thimble size for wrapping lines
« on: June 04, 2020, 08:47:11 PM »
Are the small size THIMBLES from Brodak ok to use for making up 018 lines wrapped with copper wire for a 60 sized airplane?
« Last Edit: June 05, 2020, 07:17:52 AM by kevin king »

Offline Crist Rigotti

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Re: Eyelet size for wrapping lines
« Reply #1 on: June 04, 2020, 10:15:51 PM »
The eyelets need to be large enough for the the line clip to go through.
Crist
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Offline kevin king

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Re: Eyelet size for wrapping lines
« Reply #2 on: June 04, 2020, 11:25:42 PM »
The eyelets need to be large enough for the the line clip to go through.
Sorry, I meant thimble not eyelets

Offline Craig Beswick

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Re: Eyelet size for wrapping lines
« Reply #3 on: June 05, 2020, 02:27:32 AM »
I have some small Brodak thimbles and I would not use them with .018 size lines! They are too small in my opinion.

Medium yes. But, as previously described it will also depend on the line clips you are going to use.

I am a novice so info for what it is worth.
Good luck
Craig.
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Offline Dan McEntee

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Re: Eyelet size for wrapping lines
« Reply #4 on: June 05, 2020, 06:31:19 AM »
Sorry, I meant thimble not eyelets

       What Crist means is that the line clips you use to connect the lines to the handle and lead outs needs to pass through. I think that even the large, 1/8"  thimbles are pretty small. The size range they are presenting is only .015" difference between them. The small is 3/32" and the Large is 1/8", and that's not only .030" between those. Makes me wonder if there is some sort of typo error. If these are your only choices, I would go with the large. You need a little bit of size to allow for the curve in the ends of the connectors to wiggle through when attaching your lines.
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Offline Crist Rigotti

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Re: Thimble size for wrapping lines
« Reply #5 on: June 05, 2020, 08:36:39 AM »
Dan,
Right!  I use the 1/8" thimbles. 
Crist
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Offline Brent Williams

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Re: Thimble size for wrapping lines
« Reply #6 on: June 05, 2020, 09:37:40 AM »
The large thimbles from MBS are great. 

Laser-cut, "Ted Fancher Precision-Pro" Hard Point Handle Kits are available again.  PM for info.
https://stunthanger.com/smf/brent-williams'-fancher-handles-and-cl-parts/ted-fancher's-precision-pro-handle-kit-by-brent-williams-information/

Offline john e. holliday

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Re: Thimble size for wrapping lines
« Reply #7 on: June 05, 2020, 11:30:03 AM »
I myself don't use them.  I get small brass tubing and run it through a flame until red hot.   Slide line/cable through it snd wrap tubing around 1/8 wire or bolt.  It helps hold the cable while you wrap it.  But, I alos don't wrap lines or lead outs.
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Offline kevin king

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Re: Thimble size for wrapping lines
« Reply #8 on: June 05, 2020, 11:09:31 PM »
Thank you everyone. Appreciate it. 👍

Offline John Park

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Re: Thimble size for wrapping lines
« Reply #9 on: June 06, 2020, 03:16:56 AM »
I myself don't use them.  I get small brass tubing and run it through a flame until red hot.   Slide line/cable through it snd wrap tubing around 1/8 wire or bolt.  It helps hold the cable while you wrap it.  But, I alos don't wrap lines or lead outs.
Exactly what I've always done.  I find that bending the tubing can be done easily by hand as long as the tube has been prepared as described, by heating to red heat and allowing to cool.  I've standardised on a 1" length of tubing, which forms a perfect teardrop shape round a 1/8" mandrel.
You want to make 'em nice, else you get mad lookin' at 'em!

Offline Dick Byron

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Re: Thimble size for wrapping lines
« Reply #10 on: June 07, 2020, 05:09:58 PM »
This is what  works.

Offline Lauri Malila

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Re: Thimble size for wrapping lines
« Reply #11 on: June 09, 2020, 05:10:39 AM »
I'd prefer a stainless steel tube (hypodermic needle) from brass/copper tubing. At least with stainless leadouts, there is a lesser risk of corrosion. L

Offline John Park

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Re: Thimble size for wrapping lines
« Reply #12 on: June 09, 2020, 07:22:22 AM »
You can bend 1/16" brass tubing without annealing if you have a piece of lead out wire through it. Annealing makes it softer which might not last as long.
Annealing doesn't soften the brass permanently.  It work-hardens very quickly, and bending it round into a teardrop shape may well be quite enough to re-harden it.  In any case, it does seem to age-harden over quite a short time.
You want to make 'em nice, else you get mad lookin' at 'em!

Offline john e. holliday

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Re: Thimble size for wrapping lines
« Reply #13 on: June 09, 2020, 10:03:01 AM »
I have yet to wear out the brass tube even after annealing. D>K
John E. "DOC" Holliday
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AMA 23530  Have fun as I have and I am still breaking a record.

Offline FLOYD CARTER

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Re: Thimble size for wrapping lines
« Reply #14 on: June 11, 2020, 04:24:01 PM »
Right!  I would be real happy if my planes lasted long enough to actually wear out my controls!
90 years, but still going (mostly)
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