By Lewis G.N.

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S. Air Force photograph) CO co H H te w o o H Ö w tu i> O « > o O F O 40 JET PROPELLED AIRCRAFT the necessary velocity. Fig. 16 shows the launching of a pilotless missile from a submarine with the aid of boosters attached to the underside of the missile. Pilotless missiles can also be launched from a mother plane that will accelerate the missile to the necessary velocity. Fig. 17 shows the launching of a pilotless missile with the booster in action. The sustaining motor of this pilotless missile is a turbojet.

It is possible with this ar­ rangement to determine the distance covered by the missile, with proper correction for drift. This is called a range computer. When the missile has covered a given distance the windmill generates a signal and the elevators point the missile down. At this time the pilotless missile is aimed at the target. The existing pilotless missiles are usually not very large, about 26 to FIG. 15. General arrangement of pilotless missile V-1: 1, combustion chamber; 2, fuel tank; 3, fuel jets; 4, compressed air accumu­ lators; 5, warhead; 6, magnetic compass; 7, gyroscope; 8, steering mechanism; 9, vertical rudder; 10, altitude control; 11, elevators; 12, alti­ tude control mechanism; 13, distance measuring windmill; 14, explosive charges; 15, the main explosive charge; 16, fuel tank filter; 17, launching rail; 18, storage battery; 19, launching contact; 20, fuel regulator; and 21, secondary gyroscope.

The upper bulkhead mounts the instrument section, 35. Such an arrangement is not the only one possible. There are known examples of construction where the walls of the fuel tanks serve as the airframe. The rocket has four fins, 30, which are attached to the tail section of LONG RANGE BOMBARDMENT ROCKETS 43 the airframe. As in the case of the airframe, the fins are of welded construc­ tion and consist of longitudinal and transverse members covered by sheet steel. Ballistic rockets are guided and are equipped with automatic stabiliza­ tion instruments which insure stable flight in a given direction.

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