Transport Helicopter Design Stirling Engine Model Science Metal Toy Decor Collection

Description: Item Name:Transport Plane Engine Size: 190 X 90 X 140mm Weight: About 600g Material: Engine Body: Aluminum Alloy, Stainless Steel Base:Acrylic Plexiglass Plate. Cylinder Piston Copper, The screw parts are stainless steel Speed: up to 300-1000 RPM Warm-up time: 1 to 2 minutes Fuel: 95% medical alcohol Working time: 20minutes Note: 1.After using it, please let the engine natural cool. 2.Do not touch the alcohol burner, burned tube or the metal to avoid burns. 3.Rods at both ends of the activities of joint parts need to regularly add oil lubrication. 4.Please be careful for the shape part when the engine works. Packing including: 1x Transport Plane Engine