That engine was a 5cylinder, star shape single valve Monosoupape radial
engine with a combined displacement of 640cc’s, producing 14bhp. It drove the
front wheel direct through a single down gearing of 6 to 1, which meant it
didn’t need a clutch but did mean a top speed of 52mph which was fast enough to
take a win at the German Championship in 1924. Unlike an aeroplane the engine
spins with the wheel, meaning the crank remains stationary.
The simplicity of the design meant that like a plane all that was needed
was to spin the front wheel and therefore engine, either on its stand or by
pushing to fire it up. It could also be stripped down for maintenance without
removing the wheel. Another innovative design feature of the front wheel was
the tyre, its inner tube was a sausage shape rather than a donut so it could be
removed without removing the engine and wheel assembly. With the engine not
being in the conventional position it allowed for a more flowing shape which
gives more of a scooter seated position, with the main fuel tank being included
in its shape that fed a secondary tank above the engine.
By 1925 production stopped some 2000 examples were built in Munich but it’s
thought that only 10 ridable examples remain making this both unusual and very
rare.
For more information-
http://en.wikipedia.org/wiki/Megola
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