Northrop JB-1 Fladdermus

Northrop JB-1 Bat

LandUsa
RollPrototyp jetdriven flygande vinge
Första flugan27 augusti 1943
ByggdUnknow

Den Northrop JB-1 "Bat" var en amerikansk yt-till-yta kryssningsmissil som var en prototyp jetdriven flygvinge. United States Army Air Forces MX-543-programmet initierades i september 1942 för att använda licensbyggda versioner av Frank Whittles jetmotor (General Electric J31). Northrop Corporation kontrakterades i slutet av 1943, och endast 10 JB-1-flygplan byggdes. En bemannad version bogserades för den 1: a flygningen den "27 augusti 1943" från Rogers Dry Lake och en segelflygplanversion lanserades från en raketdriven släde och kraschade i december 1944. En obemannad JB-1 som drivs av en improviserad General Electric B-1 turbojet med ett vingspann på 28 fot 4 tum (8.64 m) gjorde sin första flygning från Eglin Fields Santa Rosa Island, Florida, den 7 december 1944 och kraschade 400 meter från järnvägslanseringen.

Källkod: Northrop JB-1 Bat på Wikipedia

Northrop JB-1 Bat Walk Around
PhotographerVladimir Yakubov
LocalisationWestern Museum of Flight, Torrance
Photos40
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The Northrop JB-1 Bat was a jet-powered flying wing cruise missile developed by Northrop Corporation during World War II. It was intended to be a surface-to-surface weapon that could deliver a 900 kg (2000 lb) bomb to a target up to 400 km (250 mi) away. The JB-1 Bat was inspired by the German V-1 flying bomb, which was discovered by the Allies in 1942. The JB-1 Bat used two General Electric B-1 turbojet engines, which were derived from a turbosupercharger design. The JB-1 Bat had a wingspan of 10.4 m (34 ft) and a length of 6.4 m (21 ft). It had a maximum speed of 640 km/h (400 mph) and a cruising speed of 480 km/h (300 mph).
The JB-1 Bat was tested as a manned glider and as an unmanned missile. The first flight of the glider version took place on August 27, 1944, with test pilot Harry Crosby at the controls. The first launch of the missile version occurred on December 7, 1944, but it failed due to an engine malfunction and an improper elevon setting. The JB-1 Bat suffered from many technical problems, such as engine failures, structural complexities, and overweight issues. Northrop tried to improve the design by using a Ford pulse jet engine instead of the GE B-1 turbojet engines, resulting in the JB-10 variant. However, the JB-10 also had poor performance and reliability. The JB-1 Bat program was canceled in 1946 after only 13 flights, none of which were successful.

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