TH-1H Powertrain System Questions & Answers

TH-1H Powertrain System Questions & Answers 1. What are the five components of the transmission? - ANS-Top case, planetary case, main case, support case, sump case 2. At what % Nr should you not apply the rotor brake? - ANS-20% 3. At what % does the Dash 1 warning say not to use the rotor brake? - ANS-40% 4. What mounts the transmission to the fuselage? - ANS-Lift link and 5 vibration isolation mounts 5. What transmits engine power to the transmission? - ANS-Main drive shaft 6. Where is the main drive shaft located? - ANS-Between the engine output coupling and transmission input drive quill 7. What are the components of the mast? - ANS-Retaining nut, main rotor splines, control assembly splines, mast assembly, retainer plate 8. At what degree angle does mast bumping occur? - ANS-12 9. How many tail rotor drive shaft segments are there? -