Hielscher Ball Stirling, ready to run

The displacement cylinder and the working cylinder of the Hielscher Ball-Stirling are mounted horizontal in a 90° degree angle. Also the fly wheel is lying horizintal 8 pressed in balls, each with 10 mm diameter, forming the fly wheel mass. The rotation is continusly adjustable by applying the throtlling valave. Driven parts can be moved by the pulley.Option: Dynamo: No. 010622Technical Data:Lenght: 180 mmWidth: 180 mmHight: 120 mmWeight: 365 gRounds: 0-1.000 U/minRunning time: ~ 20 min. with spiritStroke: 14 mmWorking piston Ø: 18 mmDisplacement piston Ø (Steelwool): 17 mm Fuel: Spirit