Home / Historical aircraft engine governor information. / Aircraft propeller governor history and theory of operation. / Hamilton Standard maintenance manual for hydromatic propellers, circa 1954. 78
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- A vintage governor type 1P12 taken apart
- A vintage type 1P12 propeller engine governor
- Another view of the parts in the governor.
- Constand speed control type 1P12-A 2
- Constand speed control type 1P12-A
- Constant speed control head assembly
- HAMILTON STANDARD TYPE 1P12-A MADE BY WOODWARD
- Hamilton Standard constand speed control