1951 York Bicycle (German) fitted with 1952 Lohmann 18cc ‘Diesel’ engine

1951 York Bicycle with Lohmann engine

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My Lohmann, pictured here, is mounted on a postwar German York bicycle.

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Both the Lohmann engine and the bicycle were sympathetically restored by my good friend Patrick in France.

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The following is taken from The Cyclemaster Museum website http://Cyclemaster.co.uk

Lohmann 18cc ‘Bicycle-Diesel Engine’

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The 18cc 2-stroke Lohmann engine was officially described as a ‘mixture compressing self-igniting two-cycle motor.’

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It fixes under a bicycle’s pedal crank and operates the rear wheel by roller.

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When it originally went on sale in Great Britain, the price was just under £25 10/-

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There’s neither carburettor nor ignition system. Instead the engine works on a variable compression ignition system, which is moderated by the twistgrips.

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Inventor and designer Hermann Teegen (1899-1962) is the spiritual father of Lohmann engines. He designed several similar engines, 3 of which were patented.

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From one of these prototypes, over a period of 3 years, the current 18cc Lohmann engine was developed. It first appeared in 1950.

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51,000 were built by August 1954.

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Although in test reports of the time, it was specifically pointed out that the engine was not a genuine diesel, Lohmann advertising subsequently marketed it as a ‘bicycle-diesel engine’ (ie ‘Fahrrad-Dielelmotor’ in advertising leaflet below)

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The article below appeared in ‘The Guardian’ newspaper.

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I had a stall at the Sunbeam Club Veteran Pioneer Motorcycle Run in March 2008 on Brighton seafront, and I took the Lohmann with a few of my other motorcycles. It attracted a lot of interest.

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Published on August 15, 2008 at 11:32 am  Leave a Comment  

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