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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 (Tecalemit-Kilfrost-Sheepbridge Stokes) systems, developed during WWII, provide crucial de-icing protection for aircraft, giving pilots 1-3 hours to exit dangerous icing conditions.
  • These "weeping wing" systems work by dispensing an ethylene glycol-based fluid through porous titanium panels on the wings and empennage, as well as slinger rings for propellers and nozzles for windshields, to prevent ice formation and adhesion.
  • TKS offers superior airframe protection compared to booted or thermal de-icing systems and features high reliability and reduced maintenance due to its design 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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