TECHING L4 Car Engine 3D Metal Turbocharged Inline 4 Cylinder Engine Kit Mechanical Assembly Motor (364+PCS/Blue)

TECHING 3D Metal Turbocharged Inline-four Car Engine Mechanical Engineering DIY Assembly L4 Engine Model Kit (364+PCS/Blue) Product information:Brand: TECHINGModel: DM111Name: Turbocharged inline four-cylinder engine modelMaterial: Aluminum alloy + stainless steelColor: blueColoring process: anodizingNumber of parts: 364 + PCSFinished product size: 158.5 * 117 * 182mmFinished product weight: 1747gExternal power supply: DC 5V (USB cable charging)Lithium battery capacity: 500mAhCharging time: 2hBattery life: 30 + min (fully charged)Assembly time: 4hAssembly difficulty: ★★★★☆ Product description:1. Origin of the story:The birth of the straight four-cylinder engine: In 1894, Maybach and Daimler completed the research and development of the inline four-cylinder engine. The cylinder blocks were all cast and used the carburetor patent technology that Maybach had just obtained in 1893.Excellent engine in the 19th century: In the late 19th century, almost all excellent cars in the world were eq