if.moonraker-第18部分
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would be free in five minutes。 Bond had gone to the window and had looked out into the grey courtyard below。 A constable； looking naked without his helmet； had e out of a building and walked across the yard munching a split roll with something pink between the two halves。 It had been very quiet and the noise of the traffic on Whitehall and on the Embankment had sounded far away。 Bond had felt dispirited。 He was getting tangled up with strange departments。 He would be out of touch with his own people and his own Service routines。 Already； in this waiting…room； he felt out of his element。 Only criminals or informers came and waited here； or influential people vainly trying to get out of a dangerous driving charge or desperately hoping to persuade Vallance that their sons were not really homosexuals。 You could not be in the waiting…room of the Special Branch for any innocent purpose。 You were either prosecuting or defending。
At last the woman came for him。 He stubbed out his cigarette in the top of the Player's cigarette tin that serves as an ashtray in the waiting…rooms of government departments； and followed her across the corridor。
After the gloom of the waiting…room the unseasonable fire in the hearth of the large cheerful room had seemed like a trick； like the cigarette offered you by the Gestapo。
It had taken Bond a full five minutes to shake off his depression and realize that Ronnie Vallance was relieved to see him； that he was not interested in inter…departmental jealousies and that he was only looking to Bond to protect the Moonraker and get one of his best officers out of what might be a bad mess。
Vallance was a man of great tact。 For the first few minutes he had spoken only of M。 And he had spoken with inside knowledge and with sincerity。 Without even mentioning the case he had gained Bond's friendship and co…operation。
As Bond swung the Bentley through the crowded streets of Maidstone he reflected that Vallance's gift had e from twenty years of avoiding the corns of MI5； of working in with the uniformed branch of the police； and of handling ignorant politicians and affronted foreign diplomats。
When Bond had left him after a quarter of an hour's hard talking； each man knew that he had acquired an ally。 Vallance had seized up Bond and knew that Gala Brand would get all Bond's help and whatever protection she needed。 He also respected Bond's professional approach to the assignment and his absence of departmental rivalry with the Special Branch。 As for Bond； he was full of admiration for what he had learned about Vallance's agent； and he felt that he was no longer naked and that he had Vallance and the whole of Vallance's department behind him。
Bond had left Scotland Yard with the feeling that he had achieved Clausewitz's first principle。 He had made his base secure。
His visit to the Ministry of Supply had added nothing to his knowledge of the case。 He had studied Tallon's record and his reports。 The former was quite straightforward…a lifetime in Army Intelligence and Field Security…and the latter painted a picture of a very lively and well…managed technical establishment…one or two cases of drunkenness； one of petty theft； several personal vendettas leading to fights and mild bloodshed but otherwise a loyal and hardworking team of men。
Then he had had an inadequate half…hour in the Operations Room of the Ministry with Professor Train； a fat； scruffy； undistinguished…looking man who had been runner…up for the Physics Division of the Nobel Prize the year before and who was one of the greatest experts on guided missiles in the world。
Professor Train had walked up to a row of huge wall maps and had pulled down the cord of one of them。 Bond was faced with a ten…foot horizontal scale diagram of some thing that looked like a V2 with big fins。
〃Now；〃 said Professor Train； 〃you know nothing about … rockets so I'm going to put this in simple terms and not fill you up with a lot of stuff about Nozzle Expansion Ratios； Exhaust Velocity； and the Keplerian Ellipse。 The Moon…raker； as Drax chooses to call it； is a single…stage rocket。 It uses up all its fuel shooting itself into the air and then it homes on to the objective。 The V2's trajectory was more like a shell fired from a gun。 At the top of it's 200…mile flight it had climbed to about 70 miles。 It was fuelled with a very bustible mixture of alcohol and liquid oxygen which was watered down so as not to burn out the mild steel which was all they were allocated for the engine。 There are far more powerful fuels available but until now we hadn't been able to achieve very much with them for the same reason； their bustion temperature is so high that they would burn out the toughest engine。〃
The professor paused and stuck a finger in Bond's chest。 〃All you； my dear sir； have to remember about this rocket is that； thanks to Drax's Columbite； which has a melting point of about 3500 degrees Centigrade； pared with 1300 in the V2 engines； we can use one of the super fuels without burning out the engine。 In fact；〃 he looked at Bond as if Bond should be impressed； 〃we are using fluorine and hydrogen。〃
〃Oh； really；〃 said Bond reverently。
The Professor looked at him sharply。 〃So we hope to achieve a speed in the neighbourhood of 1500 miles an hour and a vertical range of about 1000 miles。 This should produce an operational range of about 4000 miles； bringing every European capital within reach of England。 Very useful；〃 he added drily； 〃in certain circumstances。 But； for the scientists； chiefly desirable as a step towards escape from the earth。 Any questions？〃
〃How does it work？〃 asked Bond dutifully。
The Professor gestured brusquely towards the diagram。 〃Let's start from the nose；〃 he said。 〃First es the warhead。 For the practice shoot this will contain upper…atmosphere instruments； radar and suchlike。 Then the gyro passes to make it fly straight…pitch…and…yaw gyro and roll gyro。 Then various minor instruments； servo motors； power supply。 And then the big fuel tanks…30；000 pounds of the stuff。
〃At the stern you get two small tanks to drive the turbine。 Four hundred pounds of hydrogen peroxide mixes with forty pounds of potassium permanganate and makes steam which drives the turbines underneath them。 These drive a set of centrifugal pumps which force the main fuel into the rocket motor。 Under terrific pressure。 Do you follow me？〃 He cocked a dubious eyebrow at Bond。
〃Sounds much the same principle as a jet plane；〃 said Bond。
The Professor seemed pleased。 〃More or less；〃 he said； 〃but the rocket carries all its fuel inside it； instead of sucking in oxygen from outside like the et。 Well then；〃 he continued； 〃the fuel gets ignited in the motor and squirts out at the end in a continuous blast。 Rather like a continuous recoil from a gun。 And this blast forces the rocket into the air like any other firework。 Of course it's at the stern that the Columbite es in。 It's allowed us to make a motor that won't be melted by 。the fantastic heat。 And then；〃 he pointed； 〃those are the tail fins to keep it steady at the beginning of its flight。 Also made of Columbite alloy or they'd break away with the colossal air pressure。 Anything else？〃
〃How can you be certain it'll e down where you mean it to？〃 asked Bond。 〃What's to prevent it falling on The Hague next Friday？〃
〃The gyros will see to that。 But as a matter of fact we're taking no chances on Friday and we're using a radar homing device on a raft in the middle of the sea。 There'll be a radar transmitter in the nose of the rocket which will pick up an echo from our gadget in the sea and home on to it automatically。 Of course；〃 the Professor grinned； 〃if we ever had to use the thing in wartime it would be a great help to have a homing device transmitting energy from the middle of Moscow or Warsaw or Prague or Monte Carlo or wherever we might be shooting at。 It'll probably be up to you chaps to get one there。 Good luck to you。〃
Bond smiled non…mittally。 〃One more question；〃 he said。 〃If you wanted to sabotage the rocket what would be the easiest way？〃
〃Any number；〃 said the Professor cheerfully。 〃Sand in the fuel。 Grit in the pumps。 A small hole anywhere on the fuselage or the fins。 With that power and
