AM.III.M.K5
KnowledgeTurbine engine propeller reverse/beta range operation.
From the FAA library
- Chapter 7: Propellers › Turboprop Engines & Propeller Control Systems › Turbo-Propeller Assembly
Turbo-Propeller Assembly The turbo-propeller provides an efficient and flexible means of using the power of the engine at any condition in flight (alpha range). [Figure 7-47] For ground handling and reversing (beta range), the propeller ... operated to provide either zero or negative thrust. The major subassemblies of the propeller assembly are the barrel, dome, low-pitch stop assembly, overspeed governor, pitch control unit, auxiliary pump, feather and unfeather valves, torque motor, spinner, deice timer, beta…
- Chapter 7: Propellers › Types of Propellers › Controllable-Pitch Propeller
Ground-Adjustable Propeller The ground-adjustable propeller operates as a fixed-pitch propeller. The pitch, or blade angle, can be changed only when the propeller is not turning. This is done by loosening the clamping mechanism that holds the blades ... tightened, the pitch of the blades cannot be changed in flight to meet variable flight requirements. The ground-adjustable propeller is not often used on present-day aircraft. Controllable-Pitch Propeller The controllable-pitch propeller permits a change of blade…
- Chapter 7: Propellers › Propellers Used on General Aviation Aircraft › Fixed-Pitch Wooden Propellers
Propellers Used on General Aviation Aircraft An increasing number of light aircraft are designed for operation with governor-regulated, constant-speed propellers. Significant segments of general aviation aircraft are still operated with fixed-pitch propellers. Light-sport aircraft ... multiblade fixed-pitch composite propellers on up to medium size turbo prop aircraft with reversing propeller systems. Larger transport and cargo turbo prop aircraft use propeller systems with dual or double-acting governors and differential oil pressure to change pitch…