Characteristics of good propellant

The characteristics of good propellant are as follows-

  • It should have specific impulse (thrust delivered divide by the rate of propellant burnt).
  • It should produce low molecular weight. Non-toxic gases products (CO, CO2, N2) only on combustion.
  • It should burn at a slow and steady but predictable rate.
  • It should possess low ignition delay (time taken by the propellant to catch fire in presence of oxidant)
  • It should have high density.
  • It should be stable over wide range of temperature.
  • It should not detonate under shock, heat or impact.
  • It should be non-corrosive and non-hygroscopic.
  • It should produce high temperature on combustion.

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