Engines And APU Flashcards
1
Q
What does the Bowed Rotor Motoring (BRM) do?
A
Straightens the N₁ and N₂ rotor shafts, which bows due to thermal buildup after the engine is shutdown.
2
Q
When is the Bowed Rotor Motoring (BRM) active?
A
6-90 seconds on the ground only. MOTORING is displayed on the N₂ gauge between 18-24% N₂.