[Kampfflieger] - Junkers Ju-187.pdf

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ju-187
Junkers Ju-187
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Junkers Ju-187
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History
Performance
By the time of the Battle of Britain, the
venerable Junkers Ju 87 design was
beginning to show some of its shortcomings.
A new, faster, better armed and better
armored replacement was needed, so work
was begun on the Ju 187 design. It kept
some of the features of the earlier Ju 87,
such as the cranked (gull) wing and two man
crew, but added retractable landing gear
and a very novel reversible vertical tail.
The Ju 187 was to be entirely of metal
construction. The wing was tapered and
featured both dihedral and anhedral. Slatted
dive brakes were fitted near the trailing edge
of the landing flaps. The main landing gear
was housed in a bulge at the junction of the
wing where the angle of the wing changed,
and retracted to the rear (also rotating 90
degrees to lay flat under the wings). Power
was to be supplied by a Jumo 213A 12-
cylinder liquid-cooled engine, which was
also used in the Fw 190D and Ju 88G-6), and
developed 1750 horsepower at takeoff. One
of the most unusual features was the
movable vertical tail fin, which could be
moved 180 degrees in flight, thus clearing
the field of fire for the rear gunner. Two men
sat back-to-back in a pressurized cockpit.
Defensive armament was located in a
remote-controlled rear turret, consisting of
one 151/20 20 mm cannon and one MG 131
13mm machine gun. The bomb load was
composed of one 500 kg (1102 lbs) bomb
under the fuselage, and two 50 kg (110 lbs)
bombs under each wing on either side of the
landing gear bulges.
Although windtunnel models and even a
full-sized mock-up was built, the project was
canceled due to the fact that the projected
performance was not that much of an
improvement from the older Ju 87, and also
that fighter-bombers such as the Fw 190F
series could do the job as well as specialized
dive bombers. In October 1943, the project
designation 287 was officially given to the
forward-swept wing jet bomber project that
Junkers was designing.
Max speed
unknown
Service ceiling
unknown
Range:
unknown
Empty weight:
unknown
Gross weight:
unknown
Wing span:
15,06 m
Length:
11,80 m
Height
3,90 m
Armament:
1 *13 mm
1 *20 mm
700 g bombs
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