On the ground with weight on wheels, spoiler deflection is what angle?

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Multiple Choice

On the ground with weight on wheels, spoiler deflection is what angle?

Explanation:
When the airplane is on the ground with weight on wheels, spoilers are commanded to their full deflection to dump lift and maximize braking. The specified angle is 60 degrees, which gives the spoilers maximum surface area and downward force within safe limits. If the deflection were less, some lift would remain on the wing, reducing wheel load and braking effectiveness. The 60-degree setting is chosen because it provides the strongest lift-dump and drag needed for a stable, efficient rollout after touchdown.

When the airplane is on the ground with weight on wheels, spoilers are commanded to their full deflection to dump lift and maximize braking. The specified angle is 60 degrees, which gives the spoilers maximum surface area and downward force within safe limits. If the deflection were less, some lift would remain on the wing, reducing wheel load and braking effectiveness. The 60-degree setting is chosen because it provides the strongest lift-dump and drag needed for a stable, efficient rollout after touchdown.

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