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aeroplanes and dirigibles of war-第22节

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target; but eight of the remaining missiles fell within the area。



In the German competition which was held at Gotha in September of

the same year the results were somewhat disappointing。  Two

targets were provided。  The one represented a military bivouac

occupying a superficies of 330 square feet; and the other a

captive balloon resembling a Zeppelin。  The prizes offered were

L500; L200; and L802;500; 1;000 and 400respectively; and

were awarded to those who made the greatest number of hits。  The

conditions were by no means so onerous as those imposed in the

Michelin contest; inasmuch as the altitude limit was set at 660

feet; while no machine was to descend within 165 feet。  The first

competitor completely failed to hit the balloon。  The second

competitor flying at 800 feet landed seven bombs within the

square; but only one other competitor succeeded in placing one

bomb within the space。



Bomb…dropping under the above conditions; however; is vastly

dissimilar from such work under the grim realities of war。  The

airman has to act quickly; take his enemy by surprise; avail

himself of any protective covering which may exist; and incur

great risks。  The opposing forces are overwhelmingly against him。 

The modern rifle; if fired vertically into the air; will hurl the

bullet to a height of about 5;000 feet; while the weapons which

have been designed to combat aircraft have a range of 10;000 feet

or more。



At the latter altitude aggressive tactics are useless。  The

airman is unable to obtain a clear sharp view of the country

beneath owing to the interference offered to vision by

atmospheric haze; even in the dearest of weather。  In order to

obtain reasonable accuracy of aim the corsair of the sky must fly

at about 400 feet。  In this respect; however; the aeroplane is at

a decided advantage; as compared with the dirigible。  The machine

offers a considerably smaller target and moves with much greater

speed。  Experience of the war has shown that to attempt to hurl

bombs from an extreme height is merely a waste of ammunition。 

True; they do a certain amount of damage; but this is due to

luck; not judgment。



For success in aerial bomb operations the human element is mainly

responsible。  The daring airman is likely to achieve the greatest

results; as events have proved; especially when his raid is

sudden and takes the enemy by surprise。  The raids carried out by

Marix; Collet; Briggs; Babington; Sippe and many others have

established this fact incontrovertibly。  In all these operations

the airmen succeeded because of their intrepidity and their

decision to take advantage of cover; otherwise a prevailing mist

or low…lying clouds。  Flight…Lieutenant Collet approached the

Zeppelin shed at Dusseldorf at an altitude of 6;000 feet。  There

was a bank of mist below; which he encountered at 1;500 feet。  He

traversed the depth of this layer and emerged therefrom at a

height of only 400 feet above the ground。  His objective was

barely a quarter of a mile ahead。  Travelling at high speed he

launched his bombs with what proved to be deadly precision; and

disappeared into cover almost before the enemy had grasped his

intentions。  Lieutenant…Commander; now Flight…Commander; Marix

was even more daring。  Apparently he had no mist in which to

conceal himself but trusted almost entirely to the speed of his

machine; which probably at times notched 90 miles per hour。 

Although his advent was detected and he was greeted with a

spirited fusillade he clung to his determined idea。  He headed

straight for the Zeppelin shed; launched two bombs and swung into

the higher reaches of the air without a moment's hesitation。  His

aim was deadly; since both bombs found their mark; and the

Zeppelin docked within was blown up。  The intrepid airman

experienced several narrow escapes; for his aeroplane was struck

twenty times; and one or two of the control wires were cut by

passing bullets。



The raid carried out by Commanders Briggs and Babington in

company with Lieutenant Sippe upon the Zeppelin workshops at

Friedrichshafen was even more daring。  Leaving the Allies' lines

they ascended to an altitude of 4;500 feet; and at this height

held to the pre…arranged course until they encountered a mist;

which while protecting them from the alert eyes of the enemy

below; was responsible for the separation of the raiders; so that

each was forced to act independently and to trust to the compass

to bring him out of the ordeal successfully。  Lieutenant Sippe

sighted Lake Constance; and taking advantage of the mist lying

low upon the water; descended to such an extent that he found

himself only a few feet above the roofs of the houses。  Swinging

roundto the Lake he descended still lower until at last he was

practically skimming the surface of the Lake; since he flew at

the amazingly low height of barely seven feet off the water。 

There is no doubt that the noise of his motor was heard plainly

by the enemy; but the mist completely enveloped him; and owing to

the strange pranks that fog plays with sound deceived his

antagonists。



At last; climbing above the bank of vapour; he found that he had

overshot the mark; so he turned quickly and sped backwards。  At

the same time he discovered that he had been preceded by

Commander Briggs; who was bombarding the shed furiously; and who

himself was the object of a concentrated fire。  Swooping down

once more; Lieutenant Sippe turned; rained his bombs upon the

objective beneath; drawing fire upon himself; but co…operating

with Commander Babington; who had now reached the scene; he

manoeuvred above the works and continued the bombardment until

their ammunition was expended; when they sped home…wards under

the cover of the mist。  Considering the intensity of the hostile

fire; it is surprising that the aeroplanes were not smashed to

fragments。  Undoubtedly the high speed of the machines and the

zigzagging courses which were followed nonplussed the enemy。  

Commander Briggs was not so fortunate as his colleagues; a bullet

pierced his petrol tank; compelling a hurried descent。



The most amazing feature of these aerial raids has been the

remarkably low height at which the airmen have ventured to fly。 

While such a procedure facilitates marksmanship it increases the

hazards。  The airmen have to trust implicitly to the fleetness of

their craft and to their own nerve。  Bearing in mind the

vulnerability of the average aeroplane; and the general absence

of protective armouring against rifle fire at almost point…blank

range; it shows the important part which the human element is

compelled to play in bomb…dropping operations。



Another missile which has been introduced by the French airmen;

and which is extremely deadly when hurled against dense masses of

men; is the steel arrow; or 〃flechette〃 as it is called。  It is a

fiendish projectile consisting in reality of a pencil of solid

polished steel; 4 3/4 inches in length。  The lower end has a

sharp tapering point; 5/8ths of an inch in length。  For a

distance of 1 1/8th of an inch above this point the cylindrical

form of the pencil is preserved; but for the succeeding three

inches to the upper end; the pencil is provided with four equally

spaced angle flanges or vanes。  This flanging of the upper end or

tail ensures the arrow spinning rapidly as it falls through the

air; and at the same times preserves its vertical position during

its descent。  The weight of the arrow is two…thirds of an ounce。



The method of launching this fearsome projectile is ingenious。  A

hundred or even more are packed in a vertical position in a

special receptacle; placed upon the floor of the aeroplane;

preferably near the foot of the pilot or observer。  This

receptacle is fitted with a bottom moving in the manner of a

trap…door; and is opened by pressing a lever。  The aviator has

merely to depress this pedal with his foot; when the box is

opened and the whole of the contents are released。  The fall at

first is somewhat erratic; but this is an advantage; as it

enables the darts to scatter and to cover a wide area。  As the

rotary motion of the arrows increases during the fall; the direct

line of flight becomes more pronounced until at last they assume

a vertical direction free from all wobbling; so that when they

alight upon the target they are quite plumb。



When launched from a height they strike the objective with

terrific force; and will readily penetrate a soldier's helmet and

skull。  Indeed; when released at a height of 4;000 feet they have

been known to pierce a mounted soldier's head; and pass

vertically through his body and that of his horse also。  Time

after time German soldiers have found themselves pinned to the

ground through the arrow striking and penetrating their feet。 

Owing to the extremely light weight of the darts they can be

launched in batches of hundreds at a time; and in a prom

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