Mini Horizontally Opposed 4-Cylinder Steam Engine Model With Gearbox for Small Steam Model Ship

Mini Horizontally Opposed 4-Cylinder Steam Engine Model With Gearbox For Small Steam Model Ship without BoilerFeatures:.This is a cost-effective, compact and delicate steam engine model with simple design and excellent performance. The model makes an incredible work of art and is suitable for small retro model ships..The steam engine adopts piston type slide valve structure, miniature stainless steel crankshaft and bearings at both ends. Comes with gearbox, fixed gear with bearings, brass gear transmission, clutch release fork complete reverse, positive/negative two gears and automobile hand wave structure..The compact model allows low power consumption and high thermal/dynamic conversion efficiency. The boiler with low power (50*100mm in diameter) is able to work perfectly, lowering the barrier to entry. The space is small for model ships but an efficient power option for steamboats..Use and Maintenance: Please connect the boiler (not included), add steam cylinder oil to lubricate ea