Description Item Name Stirling Flame Engine Model Size 170 X 90 X 135mmWeight 2 1KGMaterial Base acrylic plexiglass plate Cylinder Piston Copper Flywheel Copper The screw parts are stainless steelSpeed up to 100 1000 RPMWarm up time 1 to 2 minutesWarm up method Light the flywheel until the machine is runningFuel 95 medical alcoholCylinder Lubricant 3000 mesh Graphite Toner Apply the inside of the cylinder to clean the remaining powderMaintenance The model for the open cylinder all when the flywheel feel the resistance is not easy to start when you can use a random tool to remove the cylinder and wipe the cylinder with a paper towel and piston smear graphite powder after re assembly can be normal operation debugging step reference video Explain Package included 1x Engine Model