Research Achievements Review, volume 4, no. 6: Chemical propulsion research at MSFC (1972)
NON · leaf 29
F. D. PITSENBERGER … Figure 10. Particle damping test setup. In = natural logarithm, f = lower half-power frequency, X . = first cycle amplitude. and f„ = upper half-power frequency. and X = second cycle amplitude. In the free vibration test, one end of the beam was fixed and the other end was deflected and allowed to…
Manned spacecraft · Spacecraft tracking · Radio communication · Space stations · Systems analysis · Tracking stations · Communication equipment · Data links · Space shuttles · Spacecraft modules
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