Material and design Mainly made of iron metal, this generator is compact in size, operates with low noise, and delivers stable performance for longterm use. Application and compatibility Application: For connecting main shafts and propellers, suitable for car model builds. Technical specifications Engine voltages: 16 V Shaft length: 9 mm (0.35 inch) Shaft diameter: 2 mm (0.08 inch) Creation and projects You can use this electric motor to assemble and build various projects, such as electric toy cars, other electric toys, or campus science experiments. Use scenarios 1) Model car project: Connect the motor to wheels to power a small model car with reliable, quiet operation. 2) Propellerdriven miniature: Pair with a propeller for a small RC plane or boat model, leveraging the compact shaft dimensions. 3) Educational demonstrations: Use in classroom or campus science experiments to demonstrate basic motor operation and DIY project assembly.