Two friends had a dream and while they worked together at a Milwaukee
engineering firm they turned their dream into reality. We know their
dream as – Harley Davidson. William S Harley and Arthur
Davidson built the first 400cc single-cylinder engine in 1902. Joining
them a year later was Davidson’s older brothers Walter and
William A, and together they fitted the single-cylinder engine into the
frame of a bicycle, which became the prototype for Harley Davidson
Motorcycles. All of this was accomplished from a small shed in the
Davidson’s yard.
Even though the motor was reliable, it was enlarged because it was
underpowered. The initial frame was too weak to hold the new engine so
it was replaced with a stronger, more substantial structure that was
built similar to the prototype. In 1903 they produced two more bikes
and three the following year. By 1907, Harley Davidson’s
growing reputation for their reliable product helped to push their
annual production rate to over 150. The year was also 1907 when Harley
Davidson decided it was time to raise money for expansion. They became
a corporation and divided the shares among seventeen employees. They
moved themselves out of the Davidson’s shed and into a much
bigger premise which is still their location – Juneau Avenue
in Milwaukee.
The early models of Harley-Davidson motorbikes had no lights and no
suspension. Within a few years after production began,
Harley’s soon had fitted leading link forks a magneto
ignition and a carbide gas headlamp. The model 5 produced in 1909 had
about 4bhp from its 494cc inlet over exhaust engine, with a speed of
45mph. Bicycle petals were used to start the engine. Once the bike was
in motion the leather drive belt was tightened using a hand lever. (To
have a more contemporary view of what harley
davidson parts now look like, please visit our website).
The first V-twin Harley was built in 1909. It was the model 5D but was
not an immediate success. The V-twin produced close to 7bhp, which was
almost twice as much as the single engine but it was difficult to start
and suffered from a slipping drive belt. Two years later, in 1911, they
introduced the 45-degree V-twin with a revised valve gear, new frame
and had been fitted with a full floating seat and chain drive. These
new improvements made a huge difference which caused the
V-twin’s popularity to grow. By the year 1913 the model
9E’s 1000cc power plant was producing 10bhp which gave the
bike a top speed of 60mph.
Initially Harley-Davidson was reluctant to get themselves involved in
racing, such as reliability runs however, by 1914 they changed their
minds and entered a factory team. The firm’s Milwaukee crew,
the “Wrecking Crew” rode powerful 8-valve V-twins
which were very competitive against the rival Merkel and Excelsior, and
Indian. This became a great period for Harley-Davidson as production
rose to more than 22,000 bikes and 16,000 sidecars in 1919. These
numbers were cut in half in the upcoming 2 years mainly because of the
Model T Ford, which put the majority of American motorcycle companies
out of business.
Harley-Davidson is known for its large capacity V-twins but the smaller
45ci Forty Five played a vital part in the history of the company. The
Forty Five, produced in 1928, was the first machine with a total loss
oil system. It was restyled and updated 9 years later to create the W
series. It was the simple and strong Forty Five that kept
Harley-Davidson in business through the Depression of the
1930′s. The WLA model proved to be a useful military machine
in which close to 80,000 were being used in the Second World War. These
“war bikes” were converted for civilian use after
the war was over which helped to popularize Harley-Davidson worldwide.
In 1936, while still suffering the effects of the Depression,
Harley-Davidson introduced the Model 61E. This model’s 61cc
V-twin engine was a huge advancement over other models due to its
overhead valve design and recirculating oil system. The neat style of
the 61E helped it become a huge success. It became known as the
knucklehead because of the shape of the engines rocker covers. It gave
it a technical advantage over its rival Indian and became the ancestor
to modern Harley’s.
Harley-Davidson will forever be synonymous with producing great bikes.
What started as a dream, survived the Depression, and is still going
strong today. There is nothing quite like hearing the rumble of a
Harley as you’re heading for the highway.
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