by Horst Zoeller, 1996 - 2020, 67th Edition, 22 Nov 2020

Gas Engine Model I - V

Wilhelm von Oechelhaeuser Joint the Deutsche Continental-Gas-Gesellschaft at Dessau in 1881. Oechelhaeuser intended to use a gas engine instead of the conventional steam engine in Connection with a Generator. His aim was to have a highly compressed air-gas-mixture, which was injected into the gas engine and which was electrically enlighted. Oechelhaeuser established the Versuchsanstalt fuer Gasmotore (Experimental Labatories for Gas Engines) in Dessau and started in 1886 with first experimental engines.

Model M I / II

In Ocotober 1886 Oechelhaeuser built a first small gas engine Model M I, which was used for the Research and study of the correct injection principles. The M I was used with a 6 hp four stroke Otto Engine.

In 1887 Oechelhaeuser built a second engine Model M II, which drove an air pump with a horizontal 4 hp two stroke Benz engine. In 1888 Hugo Junkers Joint the Versuchsanstalt fuer Gasmotore and took over the responsibility of redesigning the Modell M II.  Junkers modified the M II several times leading to the experimental engine Model III in 1888.

In February 1890 Oechelhaeuser and Junkers founded the "Versuchs-Station fuer Gasmotoren von Oechelhaeuser & Junkers", where Junkers became a Business Partner of Oechelhaeuser. Junkers developed a further two engines Model IV and V in 1890, which were all further modifications of the original M II experimental engine. Junkers applied the oposed Piston technique for the first time in one of These experimental engines.

Based on the Experiments with the Model I to V engines, Junkers and Oechelhaeuser started the development of a high power gas engine in 1891, which later became the Model VI.



  • - Excellent article about Oechelhaeuser's gas engine developments



  • Alfred Kirschke
    Die Gaskraftmaschinen
    Salzwasser-Verlag, 1909, partially available at Google Books
  • Wilhelm v. Oechelhaeuser
    Beitrag zur Geschichte der Grossgasmaschinen
    in: Jahrbuch des VDI, 6. Band
    Springer Verlag. 1914, partially available at Google Books


introduced Sept 2017
contents last updated 2 Sept 2017