🔍 Key Concepts

• Relationship between speeder spring tension and governor speed setting • Purpose of the compensating system (needle valve, dashpot, compensating piston) in a hydraulic governor • Function of the load limit adjustment compared to the normal speed-setting mechanism

💭 Think About

• Look at which component in the illustration is directly connected to the flyweights and terminal shaft to oppose centrifugal force from speed changes. How does changing its force change the equilibrium speed? • Ask yourself: which items (needle valve, dashpot spring, load limit device) affect how fast and smoothly the governor reacts or how much fuel can be delivered, rather than the actual speed set-point? • Trace the path of motion from the power lever / speed-setting knob to the internal governor parts. Which labeled part changes the balance point at which the pilot valve recenters?

✅ Before You Answer

• Identify which part directly changes spring force vs. flyweight force at a given speed. • Confirm which parts (needle valve, dashpot, compensating piston) are mainly for stability and damping, not for basic speed setting. • Verify in the diagram which adjustment is labeled with or attached to the speeder spring and consider what increasing its compression would do to the governor’s equilibrium speed.