It can be a bit tricky to determine the nature of a mystery metal, and in the home workshop it can be even harder to tell the purity of a metal. So I looked up the density of Aluminium and
Prepare furnace There’s not a lot of preparation to the furnace other than plugging in the fan and connecting the pipe to the side of the flowerpot furnace. However, one key piece of preparation is to ensure is the layout.
This year my main project is to build a small stirling engine, a project that’s been bubbling away since 2011. I decided to make a few customisations to Jan Ridders plans, one of these is to use a cast aluminium
In Model Engineer No 4329 July 2008 there was a set of plans by Jan Ridders for building a coffee cup stirling engine. I liked the model but had some ideas for adapting it to make it a little more