Trident Nozzle Stabilizers - ILC Dover

Lockheed Missiles & Space

After the failure of the first underwater launch of the Trident II missile, several device designs were considered to keep sea water out of the nozzle.

Mission Rqmt: Stabilize Engine Bell During Transition From Launch to Surface

Schedule: 3 Months from ATP to Full Scale Test and Level III TDP w/Specifications

Design 1: Engine Bell Launch Deflection Prevention Plug

• Environment and Construction Silicone Coated Kevlar Bag with Urethane FilmBladder
• 300 psi Operating Pressure, Proof at 500 psi
• Restraint to Survive 500F+ Launch Tube Environment
• 10 Year Minimum Operating Life

Design 2: Nozzle Motion Attenuation Device (Snubber)

• Environment and Construction 300 psi, 500o Operating Rqmts
• 500 psi Burst Pressure
• 7 g Acceleration
• 25 Year Storage Life
• Silicone Coated Kevlar

For more information on Engineered Inflatables, please contact Gil Baird.