iPad Screenshots


Props & Governors offers an interactive and complete systems presentation on piston aircraft single-engine and multi-engine constant speed propellers and governors.

The course is divided into illustrated and text descriptions of each system, accompanied by interactive training diagrams including a fully functioning Propeller/Governor system for both single and multi-engine aircraft.

Topics covered include:

Manifold Pressure and how it is affected
Propeller governor components (Flyweights, Speeder Spring, Pilot Valve)
Propeller components (Counterweights, Feather Spring, Feathering Pins)

What’s New

Version 1.3

This app has been updated by Apple to use the latest Apple signing certificate.

- Updated graphics for Multi-Engine Propeller Hub (Oil and Feathering Spring reversed).

- Minor corrections to text throughout course

Ratings and Reviews

5.0 out of 5
2 Ratings

2 Ratings

Flyinghighagain ,

Great basic theory and excellent interaction

I love aircraft training diagram courses. I love finding excellent fundamental courses. This interactive course is excellent for beginner or long time pilot. Very well explained with numerous diagrams.

App Privacy

The developer, Eric Cannon, has not provided details about its privacy practices and handling of data to Apple.

No Details Provided

The developer will be required to provide privacy details when they submit their next app update.


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

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