Prop Governors

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Introduction

• Note difference between Blade Angle and Pitch Angle
• Key Blade Pitch Angles
• Feathered
• BETA Range
  • Reverse
  • Beta
  • Locks
• ALPHA Range
  • Flight Idle (Low Limit)
  • Max Pitch (Hi Limit)
• Dead Zones

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Governor Types

• Constant Speed
• Constant Tip Mach
• Manual Pitch
• Constant Average AoA

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Alpha / Beta

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BETA / Reverse

• They're really the same thing, sort-off

Auto-Feathering

• An electronic system, common on King Airs.

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• NTS - "Hey Buddy, let me help you out, you only have seconds to react before things get outta hand!"

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Alpha Range

• "Move Aside...I got this". What do you want? Constant RPMs? Constant Mach? Constant AoA? Talk to me...."

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