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Nothing so it needs a good spring.

Amazing knives. I feel like a rookie looking at these. I better dig in a little.

This is a copy of the pattern in the first post of this thread. I printed out a couple to cut up. I use end cuts of SS in approximately 1/8" thickness for the drill pattern. I have used .100" and that is a bit thin for this application. It doesn't matter what steel you use, SS or carbon. I...

excellent first build. welcome to KD. t

This was supposed to be a pattern test build but I ended up taking it most of the way. I'll use this for my new EDC. I can tell you making and then using these with the scale release is an absolute blast. Everyone I have handed this to has not been able to open it and this is after I showed them...

scale release automatic knife

I bought one direct from Charlie a long time ago. I have no idea where it is now.

Today was making a new back bar spring. I had been using a thin piece of titanium but it kept taking a bend so I had to make one from 8670. I will grind and heat treat the blade and throw on some scales and pocket clip. I'll carry it for awhile see what the issues are. I will also start a...

Scale release automatic knife build

Most folding knives do not have the spring pressures on it that an auto does. A liner lock has little or no pressures. A slipjoint has the back bar pressure but that is normally minimized for ease of use. An auto wants to snap open....or at least I want it to and there is usually at least two...

An annular cutter is used to make the coil spring pocket. These are often referred to as spot weld cutters. You have to measure the coil spring height and then make the pocket a little taller as the coil will expand, contract and grow taller depending on the blade position. Rotabroach...

This post is a Placeholder for an eventual tutorial on building a scale release auto using the SR1 pattern I have released for free use. The pattern is attached here as a file. It will take at least a few weeks to fill in this thread. Hang in there. In a very simple description, these are lock...

We have a couple in the shop. This is the latest one and I tend to use it before the other. I have never used the 3600 speed. I just use the 1800 or it can go just 900RPM. https://www.amazon.com/gp/product/B073Y37521/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 I usually use 1/4" sewn 8"...

I got this beauty in the mail today after it went on a tour of the US via the USPS. Fantastic job Jeremy. Thank you. t

Quench pails of plastic makes my skin crawl every time I see one.

This is how it ended up. The pivot screw was bigger than my sketch so I made changes on the fly. I also added a leaf element to cover a slip. Now I will start on the back. I also need to make a shield insert on the front and cut that also.

Engraving

For the last few weeks I have been tinkering on a new knife in the shop but I only have a pile of bad parts so far. Most of my time has been practicing engraving lately. Here is my latest practice plate. I have two knives I need to engrave. This design practice will be the one I use for the...

Those are awesome. What diameter are those and how much oversized was the billet? I have to try it.