Sidewinder Missile Engineering

Jul 9, 2024

Smarter Every Day: Sidewinder Missile

Introduction

  • Presenter: Destin
  • Location: Naval Air Weapons Station China Lake, California
  • Topic: The Sidewinder missile

The F-18 Aircraft

  • Can be configured for attack or fighter roles
  • Different weapons on the pylons, including bombs and missiles

Sidewinder Missile

Historical Context

  • Developed in the 1950s at China Lake
  • One of the first heat-seeking missiles

Components

  • Seeker: Tracks heat sources (e.g., aircraft exhaust)
  • Pivoting Fins: Aid in directing the missile
  • Side-Looking Proximity Sensor: Detects nearby objects for detonation
  • Warhead: Contains an explosive device
  • Rocket: Propels the missile
  • Rollerons: Stabilize the missile in flight

Rollerons

  • Appear as small fins that spin like a water wheel
  • Provide gyroscopic stability
  • Rotate up to 100,000 RPM
  • Balanced through precise drilling and material removal

Mechanics of Rollerons

  • Provide dynamic stability in roll, pitch, and yaw axes
  • Passively stabilize the missile without complex control systems
  • Angular momentum vector helps keep the missile on a stable path

AIM-9 Variants

AIM-9M

  • Early version of the Sidewinder
  • Features include fixed fins

AIM-9X

  • Latest version discussed
  • Fixed seeker, pivoting fins in the rear
  • Features thrust vector control for enhanced maneuverability

Warhead Details

Expanding-Rod Warhead

  • Steel or tungsten rods welded in a zigzag pattern
  • Detonation scissors outwards, creating a destructive disc
  • Designed to damage aircraft engines or other critical components

Conclusion

  • Destin's fascination with the engineering of missiles
  • Mention of Patreon supporters funding parts for exploration
  • Closing remarks encouraging subscriptions to follow future projects