By C N Hill
"A Vertical Empire" describes the paintings in rocketry and house learn performed within the united kingdom within the Nineteen Fifties and Nineteen Sixties. At one time, the programme was once as refined as these within the US and Russia. The tasks have been cancelled one after the other as Britain's makes an attempt to maintain militarily with the 2 superpowers weakened, on account of Treasury strain and the idea that there has been no monetary destiny in area know-how. a lot of the cloth during this ebook hasn't ever been to be had prior to, due partially to the 30-Year Rule relating govt files, and partially to the delicate army nature of the paintings. The initiatives coated contain rocket-propelled airplane, huge army missiles akin to the medium diversity ballistic missile "Blue Streak", the try rocket "Black Knight" and the re-entry experiments it carried, and the satellite tv for pc launcher "Black Arrow". additionally, proposed tasks which can were built from those automobiles are lined intensive. there's additionally enormous political research of why those initiatives have been finally discontinued.
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"A Vertical Empire" describes the paintings in rocketry and area examine performed within the united kingdom within the Nineteen Fifties and Sixties. At one time, the programme was once as refined as these within the US and Russia. The tasks have been cancelled one after the other as Britain's makes an attempt to maintain militarily with the 2 superpowers weakened, due to Treasury strain and the idea that there has been no fiscal destiny in area know-how.
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Extra info for A Vertical Empire: The History of the UK Rocket and Space Programme, 1950-1971
Under the old Imperial system of units, it was measured in seconds, but in the SI system is more correctly measured in metres/second. 81N/kg). Rochet Motors 33 Although liquid hydrogen has this immense energy advantage, it has two properties which make it extremely inconvenient: an extremely low density of 80 kg per cubic metre, (as opposed to 1000 for water) and an extremely low boiling point (20K or -253°C). The low density implies a large volume of liquid and thus large tanks to hold it in, and as a consequence, an increase of the structure weight.
In addition, not everyone wanted to sell it to the Germans. Sir Frederick Brundrett, Chief Scientist at the Ministry of Aviation is on record as saying that the German requirement "was for a high-altitude quick climbing defensive weapon. There was no doubt that they would be best satisfied with a guided weapon and in his view the right course was to interest them in our own Stage 1 and Stage 1 and a half guided weapon developments rather than the P.
The Navaho cruise missile was the earli- 32 A Vertical Empire est test bed for this new motor. In the summer of 1954 NAA was given a contract to design a gimballed engine for Atlas, which was extended to include engine systems for Thor and Jupiter. Thor and Jupiter engines were to give 135,0001b thrust as opposed to 150,0001b for the main Atlas engines (this uprating can be done by increasing the pressure inside the combustion chamber, burning more propellant). The S-3D was intended for Jupiter, and the first engine tests were made in November 1955, with the first working engine being delivered in June 1956, and the first Jupiter launch in March 1957.