Subjgrp 184. Rotor Drive System

• § 27.917 - Design.
• § 27.921 - Rotor brake.
• § 27.923 - Rotor drive system and control mechanism tests.
• § 27.927 - Additional tests.
• § 27.931 - Shafting critical speed.
• § 27.935 - Shafting joints.
• § 27.939 - Turbine engine operating characteristics.