130 MM Boost-Sustain Motor

A 130 MM Boost-Sustain Motor is a solid rocket propulsion unit designed to provide a dual-thrust performance profile within a single motor system. Typically measuring around 130 mm in diameter, this type of motor delivers a high initial thrust phase to rapidly accelerate a projectile, followed by a lower, sustained thrust phase that maintains velocity during flight.

Key Details:

Category: Solid Rocket / Missile Propulsion System

Motor Diameter:
130 mm Boost-Sustain Motor: Designed for missile or rocket systems that require rapid launch acceleration followed by sustained propulsion during flight.

Description:
Chemical Composition: These motors commonly utilize composite solid propellants. Typical formulations include ammonium perchlorate as the oxidizer, atomized aluminum powder as the metallic fuel, and polymer binders such as hydroxyl-terminated polybutadiene (HTPB) or polybutadiene acrylonitrile (PBAN). Catalysts or additives such as iron oxide may be incorporated to control burn rate and improve combustion characteristics.

Design: The boost-sustain configuration refers to the internal grain geometry of the solid propellant. The grain is engineered to burn quickly at ignition to generate a strong initial boost phase, followed by a slower burn rate that sustains thrust during flight.

Component Structure: The motor typically includes a durable casing, nozzle assembly, ignition system, and a solid propellant grain. During combustion, exhaust gases are expelled through the nozzle to produce thrust.

Common Uses:

• Missile Propulsion: Used in short-to-medium range tactical missile systems requiring rapid acceleration and sustained flight.
• Ramjet Acceleration: Serves as a booster stage to accelerate projectiles to speeds required for ramjet engines to operate.
• Specialized Launch Systems: Integrated into launch platforms where controlled thrust and efficient propulsion are required.

Operational Features:
Dual-thrust boost-sustain propulsion profile, high-energy composite propellant, efficient burn characteristics, and reliable ignition for consistent performance during launch and sustained flight phases.

Contact us at: info@sae-group.net