The propeller diameter is what?

The propeller diameter is what?

• A. 65 inches
• B. 69 inches
• C. 72 inches
• D. 68 inches

Answer: (B)

Propeller diameter is the distance from tip to tip across the circle traced by the blade tips as the propeller spins. This measurement comes directly from the propeller’s specification and is key for ensuring proper clearance with the engine, fuselage, and ground, as well as for matching the propeller to the engine’s power and performance. In this item, you select the value that exactly matches the propeller’s stated diameter in the data plate or aircraft manual. That exact size is the one the design calls for, so it’s the correct choice. Choosing a different size would mean using a propeller that isn’t aligned with the given data, which could lead to clearance problems or performance issues. If you’re unsure, check the propeller’s data plate or the aircraft maintenance documentation to confirm the diameter specified for that installation.

Propeller diameter is the distance from tip to tip across the circle traced by the blade tips as the propeller spins. This measurement comes directly from the propeller’s specification and is key for ensuring proper clearance with the engine, fuselage, and ground, as well as for matching the propeller to the engine’s power and performance.

In this item, you select the value that exactly matches the propeller’s stated diameter in the data plate or aircraft manual. That exact size is the one the design calls for, so it’s the correct choice. Choosing a different size would mean using a propeller that isn’t aligned with the given data, which could lead to clearance problems or performance issues.

If you’re unsure, check the propeller’s data plate or the aircraft maintenance documentation to confirm the diameter specified for that installation.