Raketbränsle 72-24-4

Rocket propellant (KNO3)

Composition

• 72 Potassium nitrate
• 24 Charcoal
• 4 Sulfur

Description

The burning rate of these rocket fuels depends much less on pressure than that of black powder. This widens the acceptable limits of the ratio nozzle area/fuel surface area.

Source: rec.pyrotechnics. Posted by Chris Beauregard <cpbeaure@descartes.waterloo.edu