Home / Historical aircraft engine governor information. / Aircraft propeller governor history and theory of operation. / Hamilton Standard maintenance manual for hydromatic propellers, circa 1954. 78
- Hamilton Standard propeller governor patent name plate on the type 1P12-A control
- Hamilton Standard type 1P12-A governor
- MANUAL No 145
- WOODWARD AND HAMILTON STANDARD COMPANY HISTORY. WOODWARD PMC OCTOBER 1988
- HYDROMATIC PROPELLERS.
- The Hamilton Standard type 1P12 propeller engine governor manufactured by the Woodward Governor Company in 1953
- The engine gear end
- The gasket on the bottom of the governor
- The gear end
- The head assembly components
- The head assembly
- The oil pump taken off the governor body
- The pilot valve and head components
- The propeller governor body dissassembled
- View of the propeller engine governor type 1P12 component assembly