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Coil Test Tube Ball Bearing Thingy

Posted: Mon Jul 19, 2021 8:06 pm
by dmdeaton
Somewhere I read the article on how to build this and cannot find it now. I saw one in action at the homecoming and didnt take time to ask about it. For some reason I want to make or purchase one. Anyone have any leads? I dont know the correct name of the thing to do a search.
Thanks in advance.
PS, I am a control electrician and thats why the interest in the odd stuff.

Re: Coil Test Tube Ball Bearing Thingy

Posted: Mon Jul 19, 2021 8:10 pm
by Howard Tomlinson
Isn't that a electric fence charger?

Re: Coil Test Tube Ball Bearing Thingy

Posted: Mon Jul 19, 2021 8:21 pm
by ThreePedalTapDancer

Re: Coil Test Tube Ball Bearing Thingy

Posted: Mon Jul 19, 2021 8:23 pm
by Been Here Before

Re: Coil Test Tube Ball Bearing Thingy

Posted: Tue Jul 20, 2021 6:27 am
by Brent Mize
Here’s the drawing from the Lejay Catalog.
Lejay also made a kit.

Re: Coil Test Tube Ball Bearing Thingy

Posted: Tue Jul 20, 2021 8:32 am
by Ron Patterson
Here is a photo of the one I have in my coil archive.
Fence Charger Coil 002.jpg

Re: Coil Test Tube Ball Bearing Thingy

Posted: Tue Jul 20, 2021 9:33 am
by LeakyRad
got one that was missing tube found that a rain gauge tube works fine. use glass marble not ball bearing.

Re: Coil Test Tube Ball Bearing Thingy

Posted: Tue Jul 20, 2021 1:34 pm
by BE_ZERO_BE
 
A Test Tube works great for a glass replacemnet.
 
IMG_3532.JPG

Re: Coil Test Tube Ball Bearing Thingy

Posted: Tue Jul 20, 2021 3:13 pm
by Dan Hatch
If anyone does not have a LeJay manual, you need to get one. Lots of info!
That is where I learned to rewind generator armatures. Has info for all types of early auto electrical. You will be surprised what you can make out of a T generator or starter. Dan

Re: Coil Test Tube Ball Bearing Thingy

Posted: Tue Jul 20, 2021 3:37 pm
by dmdeaton
Got some things to look for at Hershey. :D

Re: Coil Test Tube Ball Bearing Thingy

Posted: Tue Jul 20, 2021 4:56 pm
by LeakyRad
BE_ZERO_BE wrote:
Tue Jul 20, 2021 1:34 pm
 
A Test Tube works great for a glass replacemnet.
 
IMG_3532.JPG
the fuse Is a good addition. when I got mine the points were welded together and the springy part witch the ball hits was burned in two. had to make a new one. a rain gauge tube is about the same length as the coil box looks neat except for the numbers. ;)

Re: Coil Test Tube Ball Bearing Thingy

Posted: Tue Jul 20, 2021 5:34 pm
by BE_ZERO_BE
 
The "fuse" is actually the glass from a fuse with two electrodes and a spark gap inside.
In addition to the three neon light bulbs, it is an visual display of the spark when the coil fires.

 
IMG_3509.JPG