![Page 1: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/1.jpg)
![Page 2: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/2.jpg)
MEDIUM PITCH
Blade Angle vs. RPM
High Angle – Low RPM
Low Angle – High RPM
Constant Speed PrinciplesProp Governor adjusts blade angles to maintain RPM
On Speed – Blade Angle OK
![Page 3: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/3.jpg)
Blade Angle vs. RPM
High Angle – Low RPM
Low Angle – High RPM
Constant Speed PrinciplesProp Governor adjusts blade angles to maintain RPM
On Speed – Blade Angle OK
Over Speed – Blade Angle increasesHIGHER PITCH
![Page 4: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/4.jpg)
Blade Angle vs. RPM
High Angle – Low RPM
Low Angle – High RPM
Constant Speed PrinciplesProp Governor adjusts blade angles to maintain RPM
On Speed – Blade Angle OK
Over Speed – Blade Angle increases
Under Speed – Blade Angle decreases
LOWER PITCH
![Page 5: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/5.jpg)
Prop Control Power Lever
Speeder SpringFly-Weights
Pilot Valve
Propeller Governor
Beta Ring
Low PitchStop Nut
Beta Valve
![Page 6: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/6.jpg)
![Page 7: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/7.jpg)
![Page 8: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/8.jpg)
![Page 9: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/9.jpg)
Prop Control Power Lever
Propeller Governor
On-SpeedRPM
SettingActualRPM
2000 2000
MEDIUM PITCH
![Page 10: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/10.jpg)
Prop Contro l Power Lever
Propeller Governor
Over-SpeedRPM
SettingActualRPM
2000 2005
HIGHER PITCH
![Page 11: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/11.jpg)
Prop Contro l Power Lever
Propeller Governor
Under-SpeedRPM
SettingActualRPM
2000 1995
LOWER PITCH
![Page 12: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/12.jpg)
Propeller Governor
RPMSetting
ActualRPM
2000 1990
LOWER PITCH
Low Pitch Stop
P rop C on tro l P ow er Leve r
![Page 13: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/13.jpg)
Propeller Governor
RPMSetting
ActualRPM
2000 1990
LOWER PITCH
Low Pitch Stop
Under-Speed
P rop C on tro l P ow er Leve r
Beta Valve Closes
Low Pitch Stop NutPulls Beta Ring Forward
![Page 14: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/14.jpg)
Prop GovTest
Over-Speed Governor
Pre-set: 2288 RPM
![Page 15: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/15.jpg)
Prop GovTest
Over-Speed Governor
Prop Gov. Failed
![Page 16: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/16.jpg)
Prop GovTest
Over-Speed Governor
Prop Gov. Failed
At 2288 RPMOverspeed Governor
Assumes Control
![Page 17: Blade Angle vs. RPM High Angle – Low RPM Low Angle – High RPM Constant Speed Principles Prop Governor adjusts blade angles to maintain RPM On Speed –](https://reader035.vdocuments.net/reader035/viewer/2022062305/56649ce15503460f949ab549/html5/thumbnails/17.jpg)
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