Hamilton Standard Hydromatic Propeller

Operation: FEATHERING

	1. Speeder Rack Balancing Spring 2. Governor Speeder Spring 3. Governor Flyweight 4. Governor Pilot Valve 5. Governor Transfer Valve 6. Feathering Oil Line 7. Governor Relief Valve 8. Governor Booster Pump 9. Hollow Drive Shaft 10. Governor Drain Port 11. Governor Drive 12. Propeller Shaft Oil Collector Ring 13. Propeller Shaft Air Separator Plug 14. Engine Oil Pressure Supply Tube 15. Engine Oil Pump 16. Propeller Distributor Valve 17. Distributor Valve Port	18. Propeller Distributor Valve 19. Distributor Valve Port 20. Dome Pressure Relief Valve 21. Distributor Valve Spring 22. Distributor Valve Spring Housing 23. Oil Supply Tube-Outboard Cylinder End (Schematic Only) 24. Cam Slot Rollers 25. Propeller Dome-Inboard End 26. Propeller Dome-Outboard End 27. Propeller Piston (Schematic Only) 28. Bevel Gears 29. Distributor Valve Port-Outboard End 30. Distributor Valve Port 31. Distributor Valve Port-Inboard End 32. Distributor Valve Land 33. Propeller Shaft Oil Passage
Legend

Send mail to with questions or comments about this web site.
This website depends on cookies to make it function. If you continue to browse, scroll, click or otherwise interact, you are providing implicit acknowledgement of and agreement to this.
Copyright © 2002-2024 Aircraft Engine Historical Society, Inc.