Mini Horizontally Opposed Four-Cylinder Steam Engine Model with Gearbox for Small Steam Model Ship Without Boiler, 125 * 90 * 76mm

125*90*76mm Mini Horizontally Opposed Four-Cylinder Steam Engine Model + Gearbox for Small Steam Model Ship without BoilerSpecifications: .Material: Metal .Steam Engine Dimensions: 12.5 x 9 x 7.6cm .Steam Engine Weight: 350g .Cylinder: horizontally opposed four cylinders .Bore: 8mm .Stroke: 8mm .Steam Engine Shaft: φ3mm .Valve Gear: Walschaerts .Pressure: 3 kg/cm² .Temperature: 50 ~ 120℃ .Lubricator: nut type .Gear Ratio: 1:1.44 (25:36) . Gearbox Dimensions: 29 x 33 x 56mm . Gearbox Weight: 120g .Gearbox Shaft: φ3mm .Gear Ratio: 1:1 (36:36) .Package Dimensions: 20 x 15 x 10cm .Package Weight: 650g .Paking: BoxPackage Including.Steam Engine Model *1.Gearbox * 1set

• Metal
• Cost-Effective Design: This compact and delicate steam engine model features a simple design with excellent performance, making it an outstanding work of art suitable for small retro model ships
• Advanced Engineering: The steam engine utilizes a piston-type slide valve structure, a miniature stainless steel crankshaft, and bearings at both ends. It includes a gearbox with fixed gear bearings, brass gear transmission, a clutch release fork, and both positive and negative gears
• Efficient Performance: Designed for low power consumption, this compact model achieves high thermal and dynamic conversion efficiency. Its small boiler (50mm x 100mm) allows for perfect operation in limited spaces, making it an perfect power option for steamboats
• User-Friendly Maintenance: Users need to connect the boiler (not included), add steam cylinder oil for lubrication, and connect a φ4mm copper pipe under a pressure of 2-4 before opening the steam valve. The removable design facilitates easy maintenance and component replacement
• Versatile Applications: Perfect for steam enthusiasts, this model serves as a nostalgic industrial collectible and can be used for steam ship models, car models, small generators, and more