USA Army foreign science and technology center, Charlottesville. Virginia. 1974. – 19 p. Source: Vnulrennyaya ballistika stvolnykh sistem i porskhovykh raket. Moscow, 1962, p 249-259, 305-310.Propellant grain geometries, burning singularities, advantages and disadvantages are discussed, slotted tube grains in particular detail. Requirements for igniters, several types of igniters, p(t) pressure curves and formulas for calculating igniter weight are presented. Polysulfide, polyurethane rubber and polyhydrocarbon solid fuels, with and without addition of aluminum and magnesium and ammonium perchlorate as the oxidizer are discussed briefly. Increasing specific impulse by use of fluorine and the very light metals is discussed, data on specific impulse of several types of solid fuels are presented and comparative characteristics of solid fuel and liquid fuel launch engines are presented and discussed. Clustered engine systems and methods of assembly and outfitting large engines are listed briefly.
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