Thrust Reversal Explained: How It Helps Aircraft Stop Safely
Pilot Institute
JUNE 12, 2025
Pitch affects how much the propeller blade bites into the air to force it backward. Many variable pitch propellers can have their blade angle decreased past zero to a negative angle. Aircraft with tail-mounted engines, such as the DC-9, could get away with using buckets. Newer engines moved to high-bypass designs.
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