• Metal
• ➤ Material: Metal. Product Dimensions: 11.2 x 9 x 9.2cm / 4.4 x 3.5 x 3.6 inch.
• ➤ High Simulation Engine Model Kit : The engine model with a realistic appearance and silver sport elements meaning thunderbolt movement is closer to a real engine. Treated by aluminum CNC processing and oxidation coloring, the delicate engine features a meticulous surface, compact structure and lightweight body.
• ➤ Dual Synchronous Belt: The timing structure of a dual synchronous belt pulley greatly reduces the risk of gear jumping in high-speed function. Crankshaft: Adopts asynchronous crankshaft structure for strong power, smoother function and a max speed of up to 16000rpm.
• ➤Electrical Starting: Equipped with a high-torque 480 brush DC motor for a more convenient and smooth start. You can walk through the internal structure and mechanical function principle of the engine while enjoying DIY assembling fun with the desktop engine model.
• ➤ Note: Starting Ignition set is not included, please prepare or buy it by yourself. Wide Applications: Blending perfectly with a gearbox for superior compatibility and an excellent guarantee to upgrade, the product makes a stunning mechanical artware, an ideal gift for mechanical engine enthusiasts and a superb teaching aid for demonstration teaching in physical & mechanical classes.