Casting a flywheel – Patterns in the sand

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
Sunday sandcasting

It’s been over a year since I last fired up the flowerpot furnace. A multitude of factors have got in the way from weather to needing to work on the gates to being too busy enjoying other things. I switched