BAUBAUPLAY Combustion Engine Kit, Engine ST-NF2 7.0cc DIY Assembly L2 Engine Kit, Rows 2-Cylinder, Four Stroke Engine, Air-Cooled Nitro Engine Model for Technology Enthusiasts

• High Simulation The engine model with realistic appearance and silver sports elements, which means the movement of the Thunderbolt is closer to a real motor.
• Miniature: treated by aluminium CNC machining and oxidation dyeing, the delicate motor features a careful surface, compact structure and lightweight body. Dual Synchronous Belt The tooth structure of a double synchronous pulley greatly reduces the risk of gear jump in high speed operation.
• DIY: you can go through the internal structure and mechanical working principle of the motor while having fun with the desktop motor model.
• Wide Applications The product fits perfectly with a gearbox and is an excellent guarantee of upgrade. It is an impressive mechanical work of art, an ideal gift for lovers of mechanical motors and an excellent teaching tool for demonstration lessons in physics and mechanics lessons. Many of our customers are teachers from schools.
• Note: the ignition kit is not included, please prepare it or buy it yourself. If you have any questions about this product, please contact us in time.

Specifications: Colour: silver. Material: metal. Model: ST-NF2. Shape: kit version Engine type: Nitro combustion engine model. Valve Mechanism: SOHC Displacement: 7.0 (3.5 x 2)cc. Cylinder: inline double cylinder. Stroke: four-stroke. Cylinder diameter: 16.6 mm. Stroke: 17.00 mm. Speed: 4000-16000rpm. Power: 0.6 ps. Cooling mode: air cooling Lubrication mode: mixed oil lubrication (add grease). Ignition mode: ignition modules (not included). Fuel type: 20-25% nitro fuel Product dimensions: 11.2 x 9 x 9.2 cm. Product weight: 535 g. Package dimensions: 14.5 x 11 x 11.2 cm. Package weight: 1000 g. Packaging: graphic cardboard. Age appropriate: 14+ Package includes: 1 x engine model kit. 1 x instructions (English language