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  #1  
Old 09-17-2022, 05:12 PM
Ed_Wischmeyer's Avatar
Ed_Wischmeyer Ed_Wischmeyer is offline
 
Join Date: May 2005
Location: Savannah, GA
Posts: 1,830
Default Making a 3/16" Socket

The RC Allen trim display finally lost enough LED segments that it needed to be replaced. I have a spare, but before starting to fuss with a bunch of thin wires, I wanted to see how much slack in the wires there was to work with, to see if this would be morning surgery or all day surgery.

The tiny screws (smaller than #4 screws, use a #0 Phillips) go into washers and nuts. Only one came loose, using a finger to keep the nut from turning. What to do? Didn't see any 3/16" wrenches on the web, and I wasn't at all sure that a 3/16" socket would fit. Besides, that socket was at home and I was at the hangar.

I thought of making a 3/16" open end wrench from aluminum -- we're not talking serious torque, here, folks -- but then I got a better idea.

Took some brass tubing and tapped successively larger Torx fitting into the end. Wound up with beautiful, six sided socket about 2" long, perfect fit, and very thin wall. The other end is flattened in the vise to provide some finger grip.

Hope it works...

At one point, I saw replacement LED segments on the web but didn't order them. If I can find same again, I'll order, install, and again have a spare unit.
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RV-9A at KSAV (Savannah, GA; dual G3X Touch with autopilot, GTN650, GTX330ES, GDL52 ADSB-In)
Previously RV-4, RV-8, RV-8A, AirCam, Cessna 175
ATP CFII PhD, so I have no excuses when I screw up

Last edited by Ed_Wischmeyer : 09-17-2022 at 05:15 PM.
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  #2  
Old 09-17-2022, 05:38 PM
wirejock's Avatar
wirejock wirejock is offline
 
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 5,890
Default Trim display

Quote:
Originally Posted by Ed_Wischmeyer View Post
The RC Allen trim display finally lost enough LED segments that it needed to be replaced. I have a spare, but before starting to fuss with a bunch of thin wires, I wanted to see how much slack in the wires there was to work with, to see if this would be morning surgery or all day surgery.

The tiny screws (smaller than #4 screws, use a #0 Phillips) go into washers and nuts. Only one came loose, using a finger to keep the nut from turning. What to do? Didn't see any 3/16" wrenches on the web, and I wasn't at all sure that a 3/16" socket would fit. Besides, that socket was at home and I was at the hangar.

I thought of making a 3/16" open end wrench from aluminum -- we're not talking serious torque, here, folks -- but then I got a better idea.

Took some brass tubing and tapped successively larger Torx fitting into the end. Wound up with beautiful, six sided socket about 2" long, perfect fit, and very thin wall. The other end is flattened in the vise to provide some finger grip.

Hope it works...

At one point, I saw replacement LED segments on the web but didn't order them. If I can find same again, I'll order, install, and again have a spare unit.
I think I still have one. It came with the elevator trim kit. Shoot me an e-mail (below). I will try and find it.
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E-mail: wirejock at yahoo dot com
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Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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  #3  
Old 09-17-2022, 05:54 PM
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rmartingt rmartingt is offline
 
Join Date: Nov 2006
Location: Savannah, GA
Posts: 1,194
Default

Ed,
I have an indicator I'm not using, just found it in the shop. Let me know if you want it.
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  #4  
Old 09-17-2022, 05:55 PM
PilotjohnS PilotjohnS is offline
 
Join Date: Jan 2016
Location: Southwest, USA
Posts: 2,613
Default Have 2

I think I have 2.

Anybody with electric trim and a Garmin or Dynon glass panel probably has extras laying around.
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WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for their use.

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  #5  
Old 09-18-2022, 11:24 AM
agent4573 agent4573 is offline
 
Join Date: Aug 2019
Location: Mountain view
Posts: 688
Default

Quote:
Originally Posted by PilotjohnS View Post
I think I have 2.

Anybody with electric trim and a Garmin or Dynon glass panel probably has extras laying around.
I've got a pair laying around as well if anyone needs some.
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  #6  
Old 09-19-2022, 08:12 PM
Ed_Wischmeyer's Avatar
Ed_Wischmeyer Ed_Wischmeyer is offline
 
Join Date: May 2005
Location: Savannah, GA
Posts: 1,830
Default

Quote:
Originally Posted by PilotjohnS View Post
I think I have 2.

Anybody with electric trim and a Garmin or Dynon glass panel probably has extras laying around.
Tried to send you an email but your mailbox was full!

I don't *need* another indicator but I would like a spare.

Thanks,

Ed
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RV-9A at KSAV (Savannah, GA; dual G3X Touch with autopilot, GTN650, GTX330ES, GDL52 ADSB-In)
Previously RV-4, RV-8, RV-8A, AirCam, Cessna 175
ATP CFII PhD, so I have no excuses when I screw up
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  #7  
Old 09-21-2022, 07:49 AM
HFS HFS is offline
 
Join Date: Aug 2009
Location: Lemoore, CA
Posts: 556
Default Making A 3/16 Socket - Some of Mine

A few that I have made over the years - mostly working behind an old (legacy) panel with instrument depth getting in the way of the retaining fasteners.

The wrenches with hex handles & "wings", allow a slow, cordless screw driver to loosen/tighten, and the "wings" are for finger work. Sized from 3/16 - 1/4.

The gray, wooden handled wrench is a magnetic nut starter for those hard to get to places. I made those from 5/16 - 3/8

The T-handled Bondus Allen hex driver was for some obscure need that has long since been forgotten - but still comes in handy once in a while.

I've told my family that my headstone should read: "He Never Met A Tool He Didn't Like!"

That's my story and I'm stickin' to it.

HFS
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  #8  
Old 09-21-2022, 09:22 AM
Ed_Wischmeyer's Avatar
Ed_Wischmeyer Ed_Wischmeyer is offline
 
Join Date: May 2005
Location: Savannah, GA
Posts: 1,830
Default

Quote:
Originally Posted by HFS View Post
I've told my family that my headstone should read: "He Never Met A Tool He Didn't Like!"
That's like the story of the man whose wife asked, "Don't you have enough tools?" and he replied, "Why" Do you know were there are some for sale?"
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RV-9A at KSAV (Savannah, GA; dual G3X Touch with autopilot, GTN650, GTX330ES, GDL52 ADSB-In)
Previously RV-4, RV-8, RV-8A, AirCam, Cessna 175
ATP CFII PhD, so I have no excuses when I screw up
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