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How It Works: TKS Ice Protection System

TKS systems dispense an ethylene glycol-based fluid through porous titanium panels attached to the leading edge of the wing and empennage. Illustration by Bryan Christie Design
Gemini Sparkle

Key Takeaways:

  • TKS systems, developed during WWII, provide critical ice protection for aircraft by allowing pilots 1-3 hours to safely exit dangerous icing conditions.
  • The system works by dispensing an ethylene glycol-based fluid through porous titanium panels on wings and empennage, slinger rings on propellers, and nozzles on windshields, which coats surfaces and prevents ice formation.
  • Known as "weeping wing" systems, TKS offers superior airframe protection compared to booted or thermal deicing, and boasts high reliability with only one moving part.
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First developed in World War II, TKS systems were created for Royal Air Force bombers as an alternative to pneumatic boot deicing. Today, the technology continues to buy crucial time for pilots as they work to implement exit strategies when faced with dangerous icing conditions.

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