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easy glass bottle cutter made up of common parts [UPDATED... again]
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Adjustable X-legged Laptop Stand
Electric Kiln: the cheaper ever
I'll try to explain at my best.you can think of a stone as a granola bar with very fine "seeds" in it. This means that there are micro-valleys and micro-mountains in the stone surface (the micro-mountains are those that make the micro-scratch on the blade you are sharpening).when the micro-mountain scratches the knife edge it removes some metal. Where does this metal go? That's the problematic part.If you don't lubricate the stone the removed metal will clog into the micro-valleys up to the micro mountain top... so that the micro mountain can't scratch the metal anymore and the stone gets useless.This can be seen in missused stones where light allows you to see rusty/metallic parts IN the stone.In short: lubicant helps you get the removed metal away from the stone.
So are you using this to harden your blades as well? You had only mentioned the tempering temp which was 900 degrees, which is way too high for tempering and too low for hardening. You do realize that your blades must be hardened before tempering...
You said that you didn't want to use gas or propane, so are you using this to harden your blades as well? Also, your tempering temps are way too high. You do realize that your blades must be hardened before tempering...
CoolRunnings: Hi Speed mouse/hamster wheel for 3 euros
Home Made TRX: bodyweight suspended training system
Another Tyvek Wallet: Traveler style
Make a takedown bow from skis!
A Nail Bottle Opener with some design and style
Ouija Coffee Table
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Emergency / Survival Pack also known as the BOB, GOOD, HELP, 3-Day or "Oh Sh*t" bag
Kydex Rotating Knife Sheath
Bug Out Bag First Aid Kit
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Poor mans paper coffee cup garden.
Mini Wooden Portable Compost Bin
Red Oak Pyramid Bow
Upgrade your original 1984 Macintosh to run OS X Snow Leopard.
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Tyvek Wallet with ID Window
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D.I.Y. Neck Knives....
Make an Eskimo Style Kayak Paddle from 2x4 Scrap Wood in 1.5 hours
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