2026-09-06 (Su) EleKSCo REV05

I received the parts I needed for the external switch component. I gave up on the aluminum spacers and ordered a brass tube. It was 5mm OD with 1mm walls, so the same dimensions as the spacers, but I had to cut it to length. Instead of trying to cut 2mm-thick spacers to match the old aluminum, I changed the model to allow 5mm-tall spacers and cut my pipe to that length. I needed two, and they took a bit to cut, and it did not help that I dropped one and never found it. I cut a piece of the polycarbonate pipe while I was at it, but I think I made it too short. That may become an 18350 model to accommodate the shorter battery. I swapped out one of the shallow switch holsters and soldered the switch to the brass segments. They accepted the solder immediately. I tested the switch with a digital multimeter, and it worked wonderfully. Mounting was a problem because the bolts would not align, but I pulled them into position. There may have been a slight change in the models and hole spacing since I printed them at different points in the process. I could finally insert a battery and test the sparker, and it worked! A new problem was that the sparks wanted to pass through the brass bolts inside the interior switch piece.

Assembled handle

GitHub repo for EleKSco.
The rest of the posts for this project have been arranged by date.
First time here?

Completed projects from year 1
Completed projects from year 2
Completed projects from year 3
Completed projects from year 4
Completed projects from year 5
Completed projects from year 6
Completed projects from year 7
Completed projects from year 8
Completed projects from year 9
Completed projects from year 10
Completed projects from year 11
Completed projects from year 12

Disclaimer for http://24hourengineer.blogspot.com and 24HourEngineer.com

This disclaimer must be intact and whole. This disclaimer must be included if a project is distributed.

All information on this blog, or linked by this blog, is not to be taken as advice or solicitation. Anyone attempting to replicate, in whole or in part, is responsible for the outcome and procedure. Any loss of functionality, money, property, or similar, is the responsibility of those involved in the replication.

All digital communication regarding the email address 24hourengineer@gmail.com becomes the intellectual property of Brian McEvoy. Any information contained within these messages may be distributed or retained at the discretion of Brian McEvoy. Any email sent to this address, or any email account owned by  Brian McEvoy, cannot be used to claim property or assets.

Comments to the blog may be utilized or erased at the discretion of the owner. No one posting may claim property or assets based on their post.

This blog, including pictures and text, is copyright to Brian McEvoy.
2026-09-05