By Wernher Von Braun
A reprint of the 1953 U. of Illinois Press version, itself translated from the 1952 German version (Bechtle Verlag, Esslingen). A ahead examine interplanetary area flight, in accordance with von Braun's event operating first for the Nazis after which for the united states military. With a brand new foreword by means of former NASA admi
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Example text
D) The tanks, as also the crew spaces or "nacelles," will be made of thin-walled, nylon-reinforced plastic. Aside from the advantage of a very considerable weight-saving , this design method permits us to freight the bulky tanks and nacelles up to the orbit of departure in a collapsed condition. This is of vital importance in view of the limited cargo space available in the ferry vessels. 19. "PASSENGER" AND "CARGO" SPACE VESSELS It is contemplated that only seven of the ten vessels comprising the Mars flotilla.
It should be noted 22 THE MARS PROJECT here that a long range glide is in no way essential when descending from the orbit of departure. ) 11. GLIDE PATH OF THE THIRD STAGE Centrifugal force partially supports the weight of the third stage when gliding at higher speeds. 3) The relation between Cr and the velocity v for a mean gliding altitude y is shown in Table 12. TABU 12. 8 · 105 cm represents that altitude at which the density diminishes to the e th part. FIRSTSTAGE POWER TRACK, FIRSTSTAGE CUT-OFF .
For a series of typical flight conditions of the third stage. They are tabulated in columns 3 and 4 of Table 15. Heat absorption from the boundary layer into the skin per unit of area is in accordance with Q;,. = h (T,. 2) where T, is the instantaneous skin temperature and h is the coefficient of heat transfer. 3) . 8 -(_2_) has proved reliable. It is applicable in cases of turbulent boundary layers around conical or wedge-shaped bodies and is valid in regions of moderate supersonic speeds. /3 represents the cone or wedge angle of the nose or leading edge, l the down-stream length from the tip of the cone or leading edge to the point of interest, 'Y the local specific gravity of the ambient air, k the heat conductivity of air, and µ.