Recent content by n8hfi

I have Ray's book, the engines are: A One-Cylinder, Double-acting Open Column Steam Engine, 2.25" bore, 3" stroke One-Flea-power "Little Boy", 1/8" bore, 3/16" stroke A Horizontal Mill Steam Engine with oscillating rotary valve, 1" bore, 1.375" stroke A Simple, Single Column Steam Engine, 5/8"...

The lignols that cross-link lignin (which is the polymer that gives wood stiffness) can be disrupted by an alkaline solution. An aqueous solution of ammonia is alkaline, and will also completely evaporate without residue. So wood soaked in aqua-ammonia will be pliable when wet, but when the...