i just decided to enter this knife and blade making hobby and haven't even build my first knife yet.
First of all i want to build my workshop and get everything ready from hammers, anvils, tongs, mills, etc
But i am still a college student, so the budget can't get high enough to buy everything new.
So, i am thinking about building some of it my own as it would be cheaper, and the first thing is making a forge.
Because of the fact that every process needs a certain type of different forge, I'm thinking about making
one that is multi purpose, portable, and transformable into specific use.
Below is the rough image of my design
I will be using a steel drum with some insulation between the burning chamber and the drum
The bottom part is detachable so that i can use it horizontally above a stool for heating specific part of a long blade
or i can attach the bottom part and use it to vertically on the ground
The air inlets are used to put air flow in using a hair dryer or vacuum cleaner (when using charcoal)
or maybe use a propane torch through the same hole.
length 60cm + 15cm ( 24 inch + 6 inch )
diameter 30cm ( 12 inch )
I want to ask some questions :
What type of insulation should i use ? i am thinking to make it from concrete mixture to make it cheaper, or do you have any other suggestions ? How thick should i make the insulation ? How many air inlets should i make ? my plan is to make 3 on 1 side or should i make it on both side ? For the overall design, will it work ? considering i want to use it for forging, hardening, heat treating, and any other process that requires heat
I am hoping to get a very useful suggestions and tips from this forum as there aren't any blacksmith in my town ( i am from Surabaya, Indonesia ) that i can get instructions from.
I would really appreciate any suggestions or even a detailed design that you think would work for my plans above if you think my original design are a big failure.