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Blohm & Voss BV 143

From PlaneSpottingWorld, for aviation fans everywhere

The Blohm & Voss BV 143 was an early prototype rocket-assisted glide bomb developed by the German Luftwaffe during World War II.


By 1941, Allied merchant ships were slow and easy targets for German coastal bombers, but were proving increasingly well-equipped with anti-aircraft artillery, making short-range attacks prohibitively costly. Interest was raised in the development of a stand off weapon to engage unarmored merchant ships from beyond the range of the Bofors 40 mm gun. The BV 143 was one of several stand off bomb and missile designs researched by the Blohm & Voss Naval Engineering Works for this anti-shipping role.[1]

The Bv 143 was designed to be air-dropped from beyond the range of AAA, glide towards the target, engage its solid rocket motor below the line of fire of AAA guns, and commence a short (30 sec. max) high speed dash to the target, striking Template:Convert above the waterline. The first design featured a 2 meter instrumented "feeler probe" suspended from the body that was designed to start the rocket on contacting the sea surface.[2] A pitch-only autopilot then maintained the bomb at the 2 m probe length until striking the target. The first working prototypes of this design were completed in February 1941. Tests showed the probe-based design to be unworkable and after additional design time it was replaced with a radio altimeter, which although being less fragile also ultimately proved unsatisfactory.

The bomb proved consistently unable to reliably maintain altitude stability with either design, with rocket misfires and failures also proving troublesome. The project was eventually abandoned in favor of the Henschel Hs 293 rocket-assisted glide bomb, which omitted the primitive altitude detection methods in favor of a state-of-the-art MCLOS guidance system. The Hs 293 went on to be used to good effect against surface shipping in the Mediterranean in 1943.[3]

Ship-to-ship variant

BV 143 B (Schiff-Schiff-Lenkflugkörper) was a late ship-to-ship variant of the BV 143 package. It was designed to launch the missile with an aircraft catapult. Only one test was ever conducted before the program was abandoned.

See also


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  1. Sterrenburg, Frithjof A.S. The Oslo Report: Nazi secret weapons forfeited. Retrieved on June 6, 2009.
  2. Gustin, Emmanuel. Luftwaffe Research Group. Retrieved on June 6, 2009.
  3. Ford, Roger (2000). Germany's Secret Weapons in World War II. St. Paul: Zenith, p. 97.

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