Mini V4 Steam Engine Model with Reverse Gearbox

The Mini V4 steam engine is with 4 cylinder. It is a heat engine that performs mechanical work using steam as its working fluid. The steam engine uses the force produced by steam pressure to push a piston back and forth inside a cylinder. Features:1, Exquisite Appearance: The model of the steam engine is small and novel. It can be placed in the palm of your hand like a treasure. It is exquisite and mini.2, Reversing Structure: Forward and reverse two gears, automobile hand wave structure, often meshing fork gear. Miniature stainless steel crankshaft, with bearings at both ends, gearbox gears also fixed with bearings, brass gear transmission, shift fork clutch.3, High Performance: This steam engine model is small in size, low in power consumption, and high in thermal / dynamic conversion efficiency. It is an efficient power option in the case of small model space and low boiler (50 * 100mm diameter) power.4, Easy Maintenance: It is designed as a detachable structure, easy maintenance and replacement of parts5, Gift Collection: It has a wide range of application as, great gift for Kids' science project, Physical/mechanical learning, teacher’s Demo props on the class, birthday gift for friends, families, parents, kids, etc. Many of our customers come from school, colleague, etc.Using Instruction:Please connect the boiler by yourself (boiler is not included), add steam cylinder oil to lubricate all parts, connect φ4mm brass pipe, pressure between 2-4, open the steam valve Specifications:Item Name: Mini V4 Steam EngineMaterial: MetalStructure: Piston slide valveNumber of Cylinder: 4Bore x Stroke Size: 8 x 8mmGear Ratio: 1: 2: 2Output Shaft: φ3mmPressure: 3kg / c㎡Temperature: 50 ～ 120 ℃Lubricator: Nut typeDimensions: 120(L) x 85(W) x 100(H)mmWeight: 300gPackage Dimensions: 15 x 12 x 12cmPackage Weight: 400gPacking: BoxPackage Content:1Set x Gearbox + Mini V4-Steam Engine