making plaster moulds I found that adding a surfactant significantly helps with air bubbles. I tried several different flavors of dish soap. Ajax lemon flavor was by far the best! Anything with an oxyclean prevents hardening.
Definitely showing discolored on the id. But not burn thru. I haven’t been very involved. Think they are running around 450W with a revolution time of around 15s. With a second pass without the wire feed on.
Build log splitter that does whole trees? Automatic floor sweeper for the shop? How long is your driveway? Could probably at least clear the snow in front of the garage door?
I have (had) a little one, smaller than a hocky puck. Had a suction cup kind of back. Push a button and it had a little pump in it to **** down the cup. Great for hanging things. Think i got it as a Christmas stocking stuffer.
Can’t see anything. Not sure about concrete. But when casting plaster moulds i add a very small amount of Ajax lemon dish soap as a surfactant and viberate with a palm sander. For some unknown reason only the Ajax works and actually cures faster. Others inhibit the curing.