Banjo Bolt and Pressure Gauge

boiler banjo bolt and pressure gauge

A banjo bolt and pressure gauge for the small vertical boiler. Also, I made a siphon tube, this protects the gauge from the very hot temperature water and steam. Banjo Bolt The banjo bolt was machined from 1/2 inch brass round stock. The threaded section is 1/4 inch x 40tpi and this bolts into the side … Read more

Properties of Water

washing the paper from the brass before etching

Water is such a key element of life and everything we do that I thought I should pull together a page on the properties of water. Spurred on by making a steam boiler I thought I should pull some references together for this wonderful working fluid. In the model engineering workshop we drink it, either as … Read more