An unusual boiler designed by a Mr Wedge hence the name. Doesn't refer to the shape as you can see. A water tube boiler built like a stack of logs. My reasons for choosing this design are, first cheapness. I have a supply of free pipe & end cap, already made. Secondly a low centre of gravity. The pipe manufactured for refrigeration plants much thicker wall than domestic, as in the UK. With an internal diameter of 1 inch. The calculations give a safe pressure of 200psi, with safety factor of 8. The working pressure will be 25psi.
Cutting the pipe in the lathe. Drilling the holes, & the bits ready for silver soldering.
Cutting the pipe in the lathe. Drilling the holes, & the bits ready for silver soldering.