A&P Power Plant Reciprocating Engines Complete Practice Test 2025

Question: 1 / 400

What characteristic defines the dyna-focal engine mounts used in aircraft reciprocating engines?

Shock mounts point away from the engine's center of gravity

Shock mounts point vertically upward

Shock mounts point toward the engine's center of gravity

The defining characteristic of dyna-focal engine mounts is that the shock mounts point toward the engine's center of gravity. This design allows for better alignment of the engine's weight and minimizes vibrations transmitted to the aircraft structure. By orienting the mounts in this manner, any dynamic forces generated during engine operation are more effectively absorbed and mitigated. This orientation helps maintain stability and ensures that the engine remains securely positioned, reducing wear and tear on both the engine mount and the surrounding airframe over time. This setup is particularly beneficial in managing the complexities of an engine’s operation and the resulting vibrational loads.

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Shock mounts connect directly to the aircraft structure

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