Joints for rocket vehicles must be considered as necessary evils. It is practically impossible to introduce a joint into a structural system without a degrading effect. Therefore, it is important to apply joints of such design that the system performance is least affected. Some of the rocket physical and flight parameters which are affected by the presence of joints are: (1) increased weight, thus reducing performance; (2) reduced useful internal volume; (3) change of structural natural frequency; (4) increased airloads; (5) greater trajectory disperison by elasticity effect; (6) higher structural loads; (7) reduced apogee due to greater vehicle flexing; (8) change in aerodynamic pitch frequency; (9) reduced static stability margin; and (10) unknown complex aerodynamic and dynamic effects. The design and performance characteristics of several joints are discussed.
Discussion of Rocket Vehicle Joint Characteristics
1968
22 pages
Report
Keine Angabe
Englisch
Missile Technology , Rockets , Joints , Design , Performance , ERDA/420202
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