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Encyclopedia > Junkers Ju 287
Junkers Ju 287 V1
Description
Role Bomber prototype
Crew two, pilot and co-pilot
Dimensions
Length 18.30 m 60 ft
Wingspan 20.11 m 65 ft 11 in
Height 4.70 m 15 ft
Wing area 61 m² 655 ft²
Weights
Empty 12,500 kg 27,500 lb
Loaded 20,000 kg 44,000 lb
Maximum take-off
Powerplant
Engines 4x Junkers Jumo 004B-1 turbojets
Thrust (each) 8825 kN 1984 lbf
Performance
Maximum speed 560 km/h 348 mph
Range 1,570 km 980 miles
Service ceiling 9,400 m 30,000 ft
Rate of climb 575 m/min 1,840 ft/min
Armament
Guns None
production version was to have
2x13mm MG131 machine guns
in tail turret
Bombs None
production version was to carry
4,000kg (8,800 lb)

The Junkers Ju 287 was a flying testbed built to develop the technology required for a multi-engined jet bomber aircraft. It was powered by four Junkers Jumo 004 engines, featured a revolutionary swept forward wing and was built largely from scavenged components from other aircraft. The flying prototype and an unfinished second prototype were captured by the Red Army in the closing stages of World War II and the design was further developed in the Soviet Union after the end of the war. Junkers Ju 287, first prototype This image has been released into the public domain by the copyright holder, its copyright has expired, or it is ineligible for copyright. ... The kilonewton, symbol kN, is an SI unit of force. ... The MG 131 was a 13 mm machine gun developed in 1938 by Rheinmetall-Borsig and produced from 1940 to 1945. ... A machine gun is a fully-automatic firearm that is capable of firing bullets in rapid succession. ... For the Prussian/German landowning classes, see junker. The name Junkers (IPA: /ˈjunkeɺs/) is well known in connection with aircraft, which were produced under this name for the Luftwaffe during World War II. In particular the Ju 87 Stuka and Ju 52 Tante Ju were common symbols of the... A Pratt and Whitney turbofan engine for the F-15 Eagle is tested at Robins Air Force Base, Georgia, USA. The tunnel behind the engine muffles noise and allows exhaust to escape. ... A bomber is a military aircraft designed to attack ground targets, primarily by dropping bombs. ... The Jumo 004 was the worlds first turbojet engine in production and operational use. ... Spanwise airflow over a forward-swept wing is the reverse of a conventional swept wing. ... The short forms Red Army and RKKA refer to the Workers and Peasants Red Army, (in Russian: Рабоче-Крестьянская Красная Армия - Raboche-Krestyanskaya Krasnaya Armiya), the armed forces first organized by the Bolsheviks during the Russian Civil War in 1918. ... Combatants Major Allied powers: United Kingdom Soviet Union United States Republic of China and others Major Axis powers: Nazi Germany Italy Japan and others Commanders Winston Churchill Joseph Stalin Franklin Roosevelt Harry Truman Chiang Kai-Shek Adolf Hitler Benito Mussolini Hideki Tojo Casualties Military dead: 17,000,000 Civilian dead...


The Ju 287 was intended to provide the Luftwaffe with a bomber that could avoid interception by outrunning enemy fighters. The swept-forward wing was suggested by the project's head designer, Dr Hans Wocke as a way of providing extra lift at low airspeeds - necessary because of the poor responsiveness of early turbojets at the vulnerable times of take-off and landing. The first prototype was intended to evaluate the concept, and was cobbled together from the fuselage of a Heinkel He 177, the tail of a Junkers Ju 388, main undercarriage from a Junkers Ju 352, and nosewheels taken from crashed B-24 Liberators. Two of the Jumo 004 engines were hung under the wings, with the other two mounted in nacelles added to the sides of the forward fuselage. The Deutsche Luftwaffe or   (German: air force, literally Air Weapon, IPA: ) is the commonly used term for the German air force. ... To meet Wikipedias quality standards, this article or section may require cleanup. ... The Heinkel He 177 Greif {Griffin] was a 4-engined long-range World War 2 bomber of the Luftwaffe. ... This aircraft article has not been updated to WikiProject Aircrafts current standards. ... Type: Transport Origin:Junkers Flugzeug und Motorenwerke AG Models: A First Flight: November 1943 Service Delivery: N/A Final Delivery: N/A Engine: Three BMW-Bramo 323R-2 Horsepower: 1,000hp (1,200 with 96-Octane fuel) Fuel: Capacity: N/A Type: N/A Dimensions: Wing span: 34. ... The Consolidated B-24 Liberator was an American bomber that was produced in greater numbers than any other American combat aircraft during the World War II and was used by most of the Allied air forces during the war. ...


Flight tests began on August 16, 1944, with the aircraft displaying extremely good handling characteristics, as well as revealing some of the problems of the forward-swept wing under some flight conditions. Tests also suggested that the aircraft would benefit from concentrating more engine mass under the wings, a feature that was to be incorporated on the subsequent prototypes. These were to have been powered by Heinkel HeS.11 engines, but because of the development problems experienced with that motor, the BMW 003 was selected in its place. The second and third prototypes were to have six of these engines, the former with a cluster of three under each wing, the latter with two under each wing and one on each side of the fuselage, as the first prototype had. These machines were to have all-new, purpose designed fuselages, and the third prototype was also to carry armament and serve as the development aircraft for a production version. August 16 is the 228th day of the year (229th in leap years) in the Gregorian Calendar. ... 1944 (MCMXLIV) was a leap year starting on Saturday (the link is to a full 1944 calendar). ... The BMW 003 was an early turbojet engine produced in Germany during World War II. Work on its design began earlier than the contemporary Junkers Jumo 004 engine, but prolonged developmental problems meant that the BMW 003 entered production much later, and the aircraft projects that had been designed with...


Before the second prototype was complete, though, the Junkers factory was over-run. Wocke and his staff, along with the two prototype aircraft, were taken to the Soviet Union. There, the second prototype (returned to its original Junkers in-house designation, EF-131) was eventually finished and flown on May 23, 1947, but by that time, jet development had already overtaken the Ju 287. A final much-enlarged derivative, the OKB-1 EF 140 was tested in prototype form in 1949 but soon abandoned. May 23 is the 143rd day of the year in the Gregorian calendar (144th in leap years). ... Year 1947 (MCMXLVII) was a common year starting on Wednesday (the link is to a full 1947 calendar). ... The OKB-1 EF 140 was a prototype aircraft developed in the Soviet Union by captured German engineers from the Junkers factory, originally conceived as a bomber, but later considered as a reconnaissance machine. ... 1949 (MCMXLIX) was a common year starting on Saturday (the link is to a full 1949 calendar). ...



see also: List of World War II jet aircraft, Grumman X-29, Su-47 List of World War II jet aircraft Any aircraft added to this list should have a corresponding Category:World War II country jet aircraft link put into the article to keep the Category database up to date. ... The Grumman X-29 explored a number of new technologies, the most immediately obvious being the forward swept wings and canard control surface. ... Su-47 Berkut The Sukhoi Su-47 Berkut (Russian: Су-47 Беркут - golden eagle), designated S-32 and/or S-37 during initial development, is an experimental supersonic jet fighter developed by the Sukhoi Corporation. ...

Related content
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Junkers Ju 87 - Junkers Ju 187 Junkers Ju 87 Dive-Bombers The Junkers Ju 87 or Stuka was the best known Sturzkampfflugzeug (German dive bomber) in World War II, instantly recognisable by its inverted gull wings, fixed undercarriage and siren. ... The Junkers Ju 187 was designed to replace the aging Ju 87 Stuka, which by the time of the Battle of Britain was fast approaching obselescence, the Ju 187 project never made it to production. ...


  Results from FactBites:
 
Junkers Ju 287 (1048 words)
The Ju 287 V1 used a fuselage from a He 177A bomber, a tail assembly from a Ju 388, and a massive fixed undercarriage consisting of Ju 352 mainwheels enclosed by large fairings and a pair of nosewheels scavenged from a B-24 Liberator.
Junkers Jumo 004B turbojets, two mounted on the sides of the forward fuselage and two slung under the rear edges of the wings.
The wing of the Ju 287 V2 was similar to that of the V1, but the fuselage was entirely different, being quite similar to that of the propeller-driven Ju 388.
  More results at FactBites »

 
 

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