- Karl Rapp and Julius Auspitzer founded Rapp Motorenwerke GmbH on 27 October 1913 with a capital stock of RM 200,000. The company was established in Milbertshofen on the former site of the Munich branch of Flugwerk Deutschland GmbH, a firm at which Karl Rapp had held a leading position and that had gone into liquidation in the summer of 1913.
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- Early Life
- Aircraft Engine Manufacturing
- Rapp Motorenwerke - The BMW Foundation
- Later Life
Very little is known of his childhood and adolescent years. However, it is known that Rapp learned the engineering profession and was employed by Züst automotive company from approx. 1908 to 1911. It is believed he was active as a technical designer with Daimler Benz until 1912. Rapp left Daimler-Benz to head a branch of Flugwerk Deutschland GmbH.
Flugwerk Deutschland GmbH probably transferred its headquarters from Gelsenkirchen-Rotthausen to Brand near Aachen.The articles of association were ratified on February 15, 1912, and the entry in the Aachen Commercial Register was effected onMarch 5, 1912. The object of the business was the manufacture and sale of aircraft, the construction and sale of machinery and equipment in the areas of aircraft engineering and operation of airfields and aerodromes. On 20 May 1913, a branch was set up for aeroengine production at Schleissheimer Straße 288 (near the first airport on the Oberwiesenfeld) in Munich-Milbertshofen , and Karl Rapp and Joseph Wirth were given power of attorney in Munich. Rapp, working as an engineer and operations manager for the company, engaged in the construction of several biplanes and a monoplane. Rapp also designed aeroengines, one of which was the FD 1416 aeroengine. The company took participation in the General Air Show in Berlin in 1912. However, the company w...
Karl Rapp and Julius Auspitzer founded Karl Rapp Motorenwerke GmbH with a capital stock of RM 200.000 the on 28 October 1913 on the site of Flugwerke Deutschland (after the company went into liquidation). General Consul Auspitzer was the company's sole shareholder, with the operational side of the company managed by Karl Rapp. The idea was for the new company to build and sell "engines of all types, in particular internal combustion engines for aircraft and motor vehicles", in addition to building an engine for the 2nd Kaiser's Trophy Competition, (but it was not ready in time). The company expanded rapidly and employed 370 coworkers by 1915. Several aircraft prototypes were designed in the Rapp Motorenwerke, but success eluded all these prototypes because of weaknesses in the design. At the beginning of the First World War, the company was one of the key Bavarian companies for the war effort, and appeared to have gained a certain reputation, despite the fact that none of the design...
After Rapp left the company (immediately it was renamed BMW) he became chief engineer and head of the Aeroengine Department of the L.A. Riedlinger Machine Factory where he was probably employed until October 1923. Rapp lived in Switzerland from 1934, running a small observatory making solar observations. Karl Friedrich Rapp died in 1962 in Locarno.
Founder. Karl Friedrich Rapp (24 September 1882 in Ehingen (Danube) – 26 May 1962 in Locarno) was a German founder and owner of the Rapp Motorenwerke GmbH in Munich. In time this company became BMW AG. He is acknowledged by BMW AG as an indirect founder of the company.
- Early Engines
- Wartime Production
- BMW Type III
- Change of Name
Karl Rapp and Julius Auspitzer founded the Rapp Motorenwerke GmbH on 27 October 1913 with a capital stock of RM 200,000. The company was established in Milbertshofen on the former site of the Munich branch of Flugwerk Deutschland GmbH, a firm at which Karl Rapp had held a leading position and that had gone into liquidation in the summer of 1913.General Consul Auspitzer was the company's sole shareholder, with the operational side of the company managed by Karl Rapp. The company's stated purpose was to build and sell "engines of all types, in particular internal combustion engines for aircraft and motor vehicles". With the acquisition of Flugwerk Deutschland, the company had also taken over the four-cylinder engines that Karl Rapp had developed there, and Rapp Motorenwerke immediately started to offer these engines to the Prussian military authorities as the Rapp 100 hp.While the 100 hp four-cylinder engine was i...
At the beginning of the First World War, the company was one of the key Bavarian companies for the war effort and appeared to have gained a certain reputation, despite the fact that none of the designs and developments achieved any real success.Since aircraft engine demand could not be met alone by the established companies like Argus, Daimler and Benz, the German military authorities also placed orders for engines at the Rapp-Motorenwerke.With the influx of capital, the company expanded rapidly and employed 370 workers by end of September 1915. The first deliveries of Rapp engines however were rejected by the Prussian Army Administration as unsuitable, and so they refrained from further orders.Despite this, the Bavarian Army administration as well as the German Navy administration still kept ordering Rapp engines in limited amounts, and also the Austro-Hungarian Army and the Austro-Hungarian Navy admin...
On 20 May 1917, Rapp Motorenwerke registered the documentation for the construction design for the new engine, dubbed "type III". Friz' design, (based on Karl Rapp's original design) was laid out as an in-line six-cylinder, which guaranteed optimum balance, with few small vibrations. The engine was successful, but the real breakthrough came in 1917, when Friz integrated a basically simple throttle butterfly into the "high-altitude carburettor", enabling the engine to develop its full power high above the ground. This is precisely the reason why the engine, now dubbed "type IIIa", had unique superiority in air combat. Franz-Zeno Diemer, the pioneering aviator and test pilot for the company, sets a new world altitude record with a 32,000 ft (9,760 m) flight in 1919 flying a DFW F 37/III (experimental two-seater, often referred to as the C-IV) with a BMW Type IV aircraft engine. September of the same year, Diemer set...
The decision by the Prussian Army Administration to order 600 units of the innovative high-altitude aeroengine (project name "BBE") prompted reorganizing the legal structure of the company. The aeroengine developed by Friz had turned Rapp Motorenwerke into an essential contributor to the war effort virtually overnight. From the middle of 1917 onward, the business, which would probably have disappeared from history never to be heard of again, now enjoyed the undivided attention of the armed services and other governmental bodies. Large subsidies flowed in and the Munich company received well-financed production orders. The recognition that Max Friz gained with his engine made it clear to all the senior managers that, up to now, Karl Rapp and his inadequate engine designs had held the company back from success. In Friz, they now had an excellent chief designer on hand and were no longer dependent on Rapp. Th...
1. Pierer, Christian (2011). Die Bayerischen Motoren Werke bis 1933: Eine Unternehmensgründung in Krieg, Inflation und Weltwirtschaftskrise (in German). Oldenbourg Verlag. ISBN 9783486704440. 1. Pletschacher, Peter (1992). Die Königlich Bayerischen Fliegertruppen 1912-1919 (in German) (2 ed.). Planegg: Aviatic Verlag. ISBN 3-925505-20-2. 1. Angle, Glenn Dale (1921). Airplane Engine Encyclopedia: An Alphabetically Arranged Compilation Of All Available Data On The World's Airplane Engines. Otte...
The first was founded by Karl Friedrich Rapp in October 1913. No one knows that BMW started as a manufacturer of aircraft engines. Rapp establishes "Rapp-Motorenwerke" in a former bicycle factory in Munich, Germany.