Copper Mod....Mini Version
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Shazamm! That looks like what I wanted to do with a 18350 with a reducer, endcap and small section of tubing. Is that a finishing washer in there between couplers? Really nice 
It's a 14250 using a 1/2" connector (sleeve) and a 1/4" on top. The surprising thing being able to make it w/o a single piece of wire.....tube through the atty to the positive connection, negative through the body, and soldered the negatives directly to the switch. I really like the color so the brass is a modded finishing washer to break up the vertical lines between the two sleeves.
A 18350 would be solid choice and would work well with 3/4" tubing. I started to go that route, but the temptation make the smallest size won out....love to make small mods. lol
Making mini mods, I have to give credit to Dr. Parsons and his frickin' laser beam project....aka The Alan Parsons Project.
A 18350 would be solid choice and would work well with 3/4" tubing. I started to go that route, but the temptation make the smallest size won out....love to make small mods. lol
Making mini mods, I have to give credit to Dr. Parsons and his frickin' laser beam project....aka The Alan Parsons Project.
FWIW you can find 'no stop' couplers that don't have that little dimple.
Nice work as usual.
Thanks....but the dimples were needed as aids for alignment; that's why I used them. Maybe next mod I'll use the "no stop" version
Friction.....
I cut a small slot in the tubing (hidden) creating a 2mm tab. Then pull them out a bit. Press the end cap on and twist. Holds really tight. There are several other methods (ball and slot, twist lock tabs, etc), but that's the quickest and easiest. I'm using a really nice spring and it's holding firm so yours should be fine with the larger battery. Plan for the spring to be the key to how much "grip" you need to make it work.
18650 + copper = heavy enough to club small animals. lol
Thanks. I have a couple of different springs - one small, one large. I will probably go with the larger one since it is a bigger battery. The small one is out of a laser mod that went wrong ;-)
So if I am picturing it correctly, make two small cuts parallel to each other forming a small tab between them. Bend the tab outward a bit.. easy enough.
So if I am picturing it correctly, make two small cuts parallel to each other forming a small tab between them. Bend the tab outward a bit.. easy enough.
That is EXACTLY what I did and it's the easiest to do. After a long while, when the metal starts to wear against each other, simply pull the tabs out a bit. When those finally go, make a couple more a few mm to one side. When those wear out you'll be old and won't care....lol
If the springs are coiled, you can always cut off the bottom coil so it has a weaker push.
Let me know how it goes and if you run into a problem, post here so the knowledge base will grow
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