7.0cc Inline Twin-Cylinder 4-Stroke Nitro Engine Model Kit, Air-Cooled ST-NF2 Nitro Interal Combustion Engine with Electric Start for Scientific Experiments Desktop Demonstrator

• 🔧 Authentic DIY Assembly Experience: Immerse yourself in the fascinating world of mechanical engineering! Build a fully functional, highly detailed twin-cylinder nitro engine from the ground up, gaining hands-on insight into how real combustion engines work
• ⚡ High-Precision Performance: Feel the power! Featuring an asynchronous crankshaft, dual synchronous timing belts, and a short rocker arm design for precise valve operation, this model achieves remarkably smooth operation and speeds up to 16,000 RPM
• 🔩 Premium CNC Machined Metal Construction: Admire the quality! Crafted from aluminum with CNC processing and oxidation coloring, this kit boasts a meticulous surface finish, a compact structure, and a stunning red design that looks incredible as a display piece
• ✨ Electric Start & Ready for Adventure: Get started with ease! The kit is equipped with a high-torque 480 brush DC motor for electric starting. Please note: Requires a separate 7.4V 2S Li battery, ignition module, F-type plug, and nitro fuel to operate
• 📚 The Ultimate Educational Gift: Inspire a lifelong passion for mechanics! An ideal project for aspiring engineers ages 15+, a superb teaching aid for classrooms, and a breathtaking mechanical artwork for any desk or workshop

Product description Specifications: Color: Red Material: Metal Model: ST-NF2 Form: Kit Version Engine Type: Nitro Internal Combustion Engine Model Valve Mechanism: SOHC Displacement: 7.0cc (3.5*2) Cylinder: Inline Double-cylinder Stroke: Four Stroke Cylinder Diameter: 16.6mm Piston Stroke: 17.00mm Speed: 4000-16000rpm Power: 0.6ps Cooling Mode: Air Cooling Lubrication Mode: Mixed Oil Lubrication (add grease) Starting Mode: Electric Ignition Mode: Ignition Modules (Not Included) Type of Electric Plug: F-type Four-stroke Electric Plug (Not Included) Starting Voltage: 7.4V 2S Li battery (Not Included) Fuel Type: 20-25% Nitro Fuel (Not Included) 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 Recommended Age: 15+ Package Includes: 1 x Engine Model Kit 1 x Instructions Directions Included