3.7CC Mini Retro Horizontal Single-Cylinder Steam Engine Model Kits, Double-Acting Mill Steam Engine Model Toy Gift for Physical Experiment Display & Desk Decor

Description

• Compact Vertical Double-Cylinder Design This 3.7CC vertical double-cylinder double-acting steam engine features an exquisite and compact layout that is easy to install and enjoyable to operate in your hands. Its dual-cylinder structure delivers smooth reciprocating motion, allowing users to fully appreciate the mechanical rhythm of traditional steam engines while experiencing a satisfying and interactive miniature engineering model.
• High-Quality Brass with CNC Precision Mainly crafted from premium brass and manufactured through advanced CNC machining, the engine presents a glossy, detailed, and highly refined appearance. The main shaft sleeve is constructed from high-hardness, wear-resistant beryllium copper to ensure long-term durability. Every component demonstrates meticulous craftsmanship, resulting in stable performance and a collectible retro mechanical aesthetic.
• Smooth Double-Acting Steam Operation Designed for easy and intuitive operation, the engine delivers an authentic steam experience when paired with a boiler. The double-acting twin-cylinder mechanism provides smooth running behavior and realistic motion, allowing users to witness the charm of steam power firsthand. The simple preparation process makes it ideal for hobbyists who enjoy hands-on and visually engaging mechanical demonstrations.
• Great for Enthusiasts, Education & Hands-On Learning The engine model offers considerable operability, making it suitable for steam engine lovers, students, educators, and hands-on learners. By running the model, users can clearly observe the conversion of steam energy into mechanical work, enhancing their understanding of engineering principles. Its delicate appearance and sophisticated structure also make it a valuable collectible for both teaching and display.
• Usage Instructions & Helpful Tips Before operation, add lubricating oil to all friction points to ensure smooth mechanical movement. Fill the boiler with water, heat it to boiling, and gently rotate the flywheel until the engine starts automatically. If resistance occurs, check pressure levels, lubrication, or running-in conditions. Please note that the boiler is not included; users may prepare their own or consult us for compatible boiler recommendations.

Specifications:
.Material: Copper
.Type: Vertical Double-cylinder Double-acting Steam Engine Model
.Displacement: 3.7CC
.Recommended Air Pressure: 0.4MPa-0.6MPa
.Bore: 14mm
.Stroke: 12mm
.Air Inlet Thread: 1/4-40TPI
.Product Dimensions: 11 x 9 x 10cm
.Product Weight: 1200g
.Package Dimensions: 15 x 13 x 15cm
.Package Weight: 1400g
.Packing: Carton Box
.Ages: 14+

Package Including
.1*Engine
.1*Base
.1*Accessories Package
.1*Instructions

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