Fades are no big secret - just common sense.
You need to consider exactly what you are trying to do, then experiment with dying times.
How long does it take the dye to reach the maximum color required?
How long does it take to dye to the minimum color required?
How far down the part do you want the fade to run?
So, lets say the part to be fade dyed is 10" long
Say it takes 100 seconds to reach maximum color
Therefore the part should be removed from the dye at the rate of 1" per 10 seconds.
So, by plunging in the part DARKEST END FIRST, then slowly removing it, you'll achieve your fade quite easily.
You could hang the part on a string at reel it up 1" every 10 seconds
Or get a slow motor with a thin shaft and wrap the string around the shaft. You'd need to dabble with shaft diameters and motor speeds if you wanted to mass produce
Free 25 amp rectifier to the first person who produces a complete working setup, duly documented with text and photos.
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