Welder World Blog

Posts Tagged ‘filter’

HappyHandyman.net Pat diverts the 4-runner’s HHO cell Hydrogen generator output to do a volume test, then weld and cook. (Re-wired with10 guage, the hydrogen fuel cell prototype array makes 1800+ of HHO gas in 30 hours, a gallon/minute (at atmospheric pressure). The gas is 40% Hydrogen by volume, 60% Oxygen. Pat uses 4-cell array of Stainless Steel tubes wired in series from a car battery. The simple flash guard: 1″ cigarette butt stuffed in 1/4″ ID rubber tube. The welding tip: Basket ball pump needle. $200 in parts.

I have a North full face respirator, but I’m not sure which is the right filter to use when welding galvanized steel. I think it might be the organic vapor filter, but I’m not sure.