Bayern-Chemie Gesellschaft für flugchemische Antriebe mbH

Rocket Motor

Propellants

 


Composite



Composite propellants are mainly composed of a solid oxidizer (typically ammoniumperchlorate) and an organic binder, (typically polybutadene HTPB), metal powder (typically aluminium) and additives included to control ballistic and mechanical properties



Performance
- Ispec: 2200 - 2600 m/s
- Tc: 2600 - 3600 K
- Density: 1.65 - 1.85 x 103 kg/m3
- operational temperature -54°C - +71°C
- very good ageing characteristics
- very good mechanical properties (appropriate for case bonded design)
- usually corrosive combustion gases
- reduced smoke to smoky depending on metal loading