Different between solid and liquid propellants

The difference between solid and liquid propellants are as follows

Solid propellants Liquid propellants
Solid propellants have low specific impulse Liquid propellants have high specific impulse
Storage, handling and transport are comparatively easy. storage, handling and transport are comparatively difficult.
Engines used have simple designs. Engines used have delicate design and cannot withstand rough handling.
Economical in use. Costly to use.
Manipulation of the fuel and calibration of the engine is difficult. Fuel is versatile and engine calibration is easy

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