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| Hub Motor Innovation |
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WHY HUB MOTORS ?
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Informational Links:
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| Our
hub motor wheels are designed to give literally
thousands of hours of trouble-free
service; happily carrying your
golf bag while you stroll leisurely down
the middle of the fairway.
There are
no moving parts to fail. There is no separate
gearbox, drive shaft, or external motor to
wear out thereby dramatically increasing
reliability.
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The
First Hub Motor: Porsche/Lohner
1901
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Ferdinand
Porsche was born on
Sept. 3, 1875, in Maffersdorf, Bohemia. As a
teenager he designed his community's first residential
electric lighting system for the Porsche household.
This helped earn him a student employee position
at Bela Egger and Co., the Vienna, Austria-based
electrical equipment and machinery manufacturer
that later became Brown Boveri. At Bela Egger
and Co., Porsche designed an electric wheel hub
motor that was used in 1899 to power the first
electric car built by Vienna-based Lohner and
Co. Over the next 18 years, Porsche also coupled
the design with a petrol engine for cars and
created a design hybrid for the Austrian army's
Landwehr train and C train vehicles to move heavy
equipment and supplies.
Porsche used his latest development: the wheel
hub motor,
praised in the contemporary press as an epoch-making innovation,
to power his first all-wheel-drive automobile. Porsche's
wheel hub motor functioned without gears and drive shafts
because the wheel, which was connected directly to the rotor
of the direct current motor, rotated around the stator which
was attached to the wheel suspension . The drive mechanism
therefore worked without friction losses to an extraordinary
efficiency level of 85 percent. This Porsche invention was
even employed by NASA when its moon car explored the surface
of the moon. Today, international car manufacturers are using
this technology for the development of future emission-free
vehicles . |
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