Meiurlex SEMTO ST-NF2 Engine Model Kit That Runs, 7.0cc Inline Double-Cylinder Four-Stroke Air-Cooled Internal Combustion Engine Model, DIY Assembly Science Mini Engine Set for Adults

• 🔥 Built Your Own Engine Kit: You can walk through the internal structure and mechanical function principle of the engine while enjoying DIY assembling fun with the desktop engine model
• 🔥 Miniature Exquisite: After aluminum alloy CNC processing and oxidation coloring treatment, the delicate engine surface is meticulous, Combustion Engine overall structure into a tight, lightweight body, is the perfect item for interior decoration and teaching model
• 🔥 SEMTO Engine Model Kit That Runs: The engine kit consists of multiple parts and comes with a paper English instruction manual. By running the assembled engine model, you can intuitively observe the working principles of the ST-NF2 L2 engine
• 🔥 Dual Synchronous Belt & Rocker Arm: Short rocker arms on the rocker arms make valve switch operation more precise. The crankshaft adopts asynchronous crankshaft structure for strong power and smoother operation, the maximum speed can reach 16000rpm
• 🔥 Ideal for Various Models: Perfect for RC vehicles, boats, and other model applications, this engine kit enhances your projects with powerful and reliable performance. Its an ideal gift for mechanical engine enthusiasts

Specifications: .Material: Metal .Brand: SEMTO ENGINE .Model: ST-NF2 .Form: Kit Version .Valve Mechanism: SOHC .Displacement: 7.0 (3.5*2)cc .Cylinder: Inline Double-cylinder .Stroke: Four Stroke .Cyilinder Diameter: 16.6mm .Stroke: 17.00mm .Speed: 4000-16000rpm .Power: 0.6ps .Cooling Mode: Air Cooling .Starting Mode: Electric .Fuel Type: 20-25% Nitro Fuel .Product Dimensions: 11.2 x 9 x 9.2cm .Product Weight: 535g .Package Dimensions: 14.5 x 11 x 11.2cm .Package Weight: 1000g .Packing: Graphic Carton .Ages: 14+ Package Including .1*Engine Model Kit .1*Instructions