
| Compared To | Solids | Liquids |
|---|---|---|
| Simplicity |
Chemically Simpler Tolerant to processing errors |
Mechanically Simpler Tolerant to fabrication errors |
| Safety |
Reduced chemical explosion hazard Thrust termination and abort possibility |
Reduced fire hazard Less prone to hard start |
| Performance Related | Better ISP Performance Throttling/Restart capability |
Higher fuel density Easy inclusion of solid performance additives |
| Other | Reduced environmental impact | Reduced number and mass of liquids |
| Cost |
Reduced development cost are expected Reduced recurring cost are expected |
|