Stirling engine type alpha

available: etsy; “airemotor etsy“ ebay: Alpha stirling engine homemade. This engine has been built with parts removed from old hard drives, VCRs, or frequently used, such as coins, washers, screws, sheet iron, copper pipes, etc.. The pistons are made with glass syringes, cut and fitted. This guarantees a perfect fit. Indispensable in alpha-type engine. The tools used were, drill, screwdriver, metal file and wr