Method of making dual-thrust rocket motor

Details Method of making dual-thrust rocket motor Method of making dual-thrust rocket motor

1960-08-12

1979-01-30

Nelson, Peter A.

Plastic and nonmetallic article shaping or treating: processes

Explosive or propellant article shaping or treating

Rolling to form sheet or rod

86 1R, 102 99, C06B 2100

Patent

active

041372867

ABSTRACT:
1. A method of making a dual-thrust rocket motor comprising: filling a rocket motor housing with a first propellant grain material, forcing a cured second solid propellant grain centrally within the first propellant grain material and substantially to the bottom thereof, curing the first propellant grain with the second solid propellant grain held in place, and attaching an igniter means and nozzle means to the housing.

REFERENCES:
patent: 1670689 (1926-01-01), Olmstead
patent: 2477273 (1949-07-01), Tagnola
patent: 2877504 (1959-03-01), Fox
patent: 2939275 (1960-06-01), Laedding
patent: 2956401 (1960-10-01), Kane
patent: 2994359 (1961-08-01), Westbrook et al.

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