Mechanical

Copper pipe spudgun Pneumatic spudgun made from copper pipe and fittings - this was my first ever webpage

Rotary valve steam engine Converting a little aeroplane engine to a rotary valve steam engine

Stuart Turner 10V Small single-cylinder steam engine machined from kit parts

Roberts steam boiler Boiler made from from a MIG gas tank and copper tubing

Helical gear A replacement helical gear made for a 16mm film projector

Petrol to steam conversion Turning a 4-stroke petrol engine into a single-acting steam engine

LTD Stirling engine A low-temperature-difference Stirling engine, capable of running from a cup of boiling water

Americium 241 Source Holder A little aluminium holder for an Am-241 source extracted from a smoke detector

Air atomising nozzle Simple atomising nozzle for liquids

Flexible shaft beam coupling A quick and simple beam coupling

Using bicycle sprockets Some examples of how to attach hubs to standard bicycle sprockets for shaft mounting

Cheap bevel/mitre gears How to use cheap bevel gears sourced from a right-angle drilling attachment

Tile press mould ring A 2-part split mould for a cement tile press

Magnetron launcher Launcher for coupling a 2.45GHz microwave oven magnetron to a WR340 waveguide