Hydrofluoric Acid-WARNING

[Meltedmetal]

Correct drive wheel?

[Meltedmetal]

I've burned up a few seals and O-rings in the course of what I've done and it never occurred to me that the black sticky mess could be more than a mess. Guess I'll be more careful in the future.

---Meltedmetal

[Meltedmetal]

"This extremely corrosive acid is formed when certain types of synthetic rubber, found in some O-rings,oil seals, fuel hoses etc. are exposed to temperatures above 750 degrees F (400 degrees C). The rubber changes into a charred or sticky substance containing the acid. Once formed the acid remains...

[Meltedmetal]

Pencil, paper, tape measure, timepiece with a second hand. Isolate your work cable. Make yourself a chart. Clip wire to tip, pull trigger 6 seconds or 10 seconds, measure. multiply by 10 or 6 respectively = WFS. Do a few different settings, you can probably develop a curve.

---Meltedme...