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... (the pressure of gases discharging into the surrounding air in an opposite direction of the motion of the rocket)...”(Hence, Hoffmann, or rather, the firm of F. Gaebert in Berlin, were assuredly of the “air-pushing school”.) The latter mode, the “screw-propellor-wheel,” the inventor(s) believed, “is practically impossible to carry the weight of ...

... the aerated upper layers of our ocean of air, in the so-called stratosphere between 15 and 50 kilometers altitude. Luckily, the way the rocket works is not based on the fact that its fiery gas tail hits the air ... possible to carefully descend into denser air layers in a very long gliding flight and use the braking effect of the air until a normal gliding landing can end the whole journey. But if it is ...

... of the Lighter-than-Air Society, a member of the Board of Governors of the Optical Society of America, the Explorers Club, the Philosophical Society, and others. He had been the recipient of several awards including the Gailbraith Medal of the University of Toronto (1948), the Newcomen Award of the Society of ...

... demonstrated that the precooler is a major source of thermodynamic irreversibility within the engine cycle and that further reduction in entropy can be realised by increasing the heat transfer coefficient on the air side of the precooler. If this were to be achieved, it would improve the payload mass delivered to orbit by the Skylon launch vehicle by ...

... - Airborne Rocket Projectiles: Fighter Planes Using Jet-Propelled Missiles 3 - Cedric Giles The V-1 Robot Bomb: Details of the German Air Torpedo 4 - Eric Burgess Rocket Experiments in Manchester: Pre-War Research by ... . The Naval Air Rocket Test Station—Purpose and Progress 74 - W. R Sheridan Expellant Bags for Rocket Propellant Tanks 80 - C. W. Tait, A. G. Whittaker, and H. Williams Measurement of the Burning Rate of ...

... the reader on a trip to meet some of the intrepid long-distance aviators of the 1930s, and from there to the establishment of the Royal Air Force base which provided the training of Indian pilots and facilities for 'Over the Hump'. The book contains detailed information about the many ...

... . Winter ''' '''VOL. 50 No. 5 MAY 1997''' - R.F. HOUCHIN AIR FORCE-OFFICE OF THE SECRETARY OF DEFENSE RIVALRY: THE PRESSURE OF POLITICAL AFFAIRS ON THE DYNA-SOAR (X-20) PROGRAM, 1957-1963 163 - F. H. Winter ... THE INTERNATIONAL SPACE STATION: STATUS AND ISSUES 296 - B. SANDERS AN UPDATED ANALYSIS OF THE THREE STAGE N-1 LUNAR LAUNCH VEHICLE 303 - S. SHAMSUTDINOV THE SELECTION OF COSMONAUTS 311 - L. R. CALDWELL TWELVE YEARS OF ...

... filters on the air circulation system. One of the big problems is to keep the filters clean as virtually everything that floats freely will end up on the filters (like the filters on your heating and air conditioning system at home). ---- Answer provided by Byron Lichtenberg, Ph.D. Image:K2S logosmall.jpg Question and Answer extracted from the book ...

... at the National Air and Space Museum in Washington, D.C. “We had to get it right. We couldn’t screw up Hubble,” Cepollina said. Just relying on photos or drawings of the hardware ... annoying series of problems. The importance of the servicing mission to the future of NASA was reflected in several high-level reviews of the mission carried out at the order of NASA Administrator Daniel S. Goldin. ref 9 The shuttle Endeavour ...

Media:1960-09 Threshold of Space USAF space program a606603.pdf Threshold of Space The Air Force in the National Space Program Sept 1960 Category:Publications

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