What gear type is known for allowing high-load and speed applications in aircraft?

• A. Worm gear
• B. Bevel gear
• C. Spur gear
• D. Cone gear

Answer: (C)

Spur gears are particularly well-suited for high-load and high-speed applications in aircraft due to their efficient design and direct transmission of power. Their teeth are straight and aligned parallel to the rotational axis, which allows for smooth meshing between gears. This design minimizes friction, enabling spur gears to transmit significant torque effectively. Additionally, they are capable of operating at high speeds without excessive wear, making them ideal for the demanding conditions often encountered in aircraft systems.

In various aircraft applications, spur gears are widely utilized in engines, landing gear mechanisms, and drive systems, where robustness and efficiency are crucial. The straightforward design also facilitates easier manufacturing and maintenance of these gears, ensuring reliability in operational settings.