Semto Engine St-nf2 7.0cc Mini Inline Double-cylinder Four-stroke Air-cooled Nitro Interal Combustion Engine Model Kit

Semto engine st-nf2 7.0Cc mini inline double-cylinder four-stroke air-cooled nitro interal combustion engine model kit in stock and ready to ship worldwide usa warehorse, free dhl ups express shipping, 3-7 days to delivery features:.High simulation: the engine model with a realistic appearance and red sport elements meaning thunderbolt movement is closer to a real engine..Miniature: 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 operation..Rocker arm: the short rocker arm makes the valve switch operation more accurate..Carburetor: enjoy easier adjustment and more sensitive throttle response thanks to the brand-new signal carburetor..Crankshaft: adopts asynchronous crankshaft structure for strong power, smoother operation 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..Diy: you can walk through the internal structure and mechanical operation principle of the engine while enjoying diy assembling fun with the desktop engine model..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 s...

Semto engine st-nf2 7.0Cc mini inline double-cylinder four-stroke air-cooled nitro interal combustion engine model kit in stock and ready to ship worldwide usa warehorse, free