chrisd wrote:Weird Harold wrote:FWIW, water is an excellent hydraulic fluid for most applications. It's only real problem is it's low boiling point.
And it's freezing point, as well. bearing in mind Safeholdian weather extremes.
True. The point is that "Hydraulic Fluid" doesn't have to be flammable (or explosive when atomized by a pinhole and high pressure.)[/quote
Also we could add a salt or few other things to it, so it can't freeze until - 15-20°C