NULA RW-L2 6CC Steam Engine Model That Works – Mini Inline Double Cylinder Reciprocating Metal Engine for 70–130cm Steamships, Forward & Reverse Function Science Kit for Adults

NULA

🚤【RW-L2 Double Cylinder Steam Engine】A vintage, reversible twin-cylinder engine designed for 70–130cm steam boats. Compact yet powerful—perfect for collectors, hobbyists, and model ship enthusiasts. 🛠️【CNC Precision & Ball Bearing Support】Crafted with CNC-machined components, a ball-bearing-supported crankshaft, and composite piston rings for smooth motion, low wear, and high mechanical accuracy. ⚙️【Durable Brass & Stainless Steel Build】Engine body is made of die-cast brass with stainless steel liners for excellent corrosion resistance and long-term durability in demanding use or display conditions. 🌀【Quiet & Smooth Mechanical Operation】Optimized structure reduces noise and vibration, providing a smooth, stable, and quiet user experience—ideal for labs, classrooms, and model-building environments. 🔁【Stephenson Gear for Reverse Control】Features a complete Stephenson valve gear system for forward and reverse motion—enabling easy directional changes and greater control for builders and engineers.