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German Motorcycles

Mauser Einspurauto


The Mauser Einspurauto (Einspur-Auto - single-track) was first conceptualised by Gustav Winkler in 1921, with production models appearing in 1924 powered by the same BMW M2B15 engine found in the Helios and the Victoria. These were proably built by Atlantic. Mauser sold the production rights to a French concern where it was produced as the Monotrace. The main visible difference between the two is that the Mauser stabiliser wheels were retractable, but on the Monotrace they were not.
There is an example of the French version at Musée Henri Martre

Mauser-1921-TMC
Mauser Single Track 1921

A single track runabout - the Mauser - demonstrated at the German motor show. For years our late enemies have endeavoured to produce a motor bicycle having most of the advantages of a car. Observe the small steadying wheels.

Single Track Runabout.

If our recollections are correct, the Mauser is the revival of an idea put forward in America several years ago. The machine is an ordinary type motor cycle with rather lengthened wheelbase, driven by a B.M.W. engine, and having a car type body built on this frame. There are two seats in tandem, and in addition to the two ordinary wheels a central axle with a small diameter wheel at each end. When standing, or running slowly, the axle can be dropped, allowing the wheels to come in contact with the road, but when running normally the axle is raised, and the machine runs just like an ordinary motor cycle. The flat twin engine, being placed fore and aft in the frame, is particulaidy well suited for this type of motor cycle. It is carried under the floor-boards, beneath the passenger's feet, and is invisible from outside.

There are openings in the body to allow of a cooling draught.

The Motor Cycle, October 6th, 1921. p417


Sources: François-Marie Dumas, The Motor Cycle



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