Accompanied with all bikes was a build story, Here is mine...
I bought my Honda ct110 (Australian postie bike)
with the sole intention to obtain my motorbike license and then move onto
bigger and better bikes. I had always been inspired by Shinya Kimuras
style. In particularly his Honda cub but
had no intentions to sink my limited time into ‘just a postie bike’ in an
attempt to achieve this style.
The bike sat forgotten and gathering dust until
some close friends of mine created a now annual event called the Rusty Kustoms Biker Build Off. The
competition is focused on homemade, budget, low capacity motorcycles. To be
eligible for the event the builder must complete a course around the block so
the bike was built with the intention to only ever complete 1 lap of the
block. Provided it didn’t catastrophically fail, any additional rides
would be a bonus.
Being my first ever bike everything was completely
new to me. I had only ridden just enough days to pass my test and get my
license. In terms of the actual build, I didn’t have any preconceived
perceptions as to seating position or steering geometry so I was lucky to have
very few design constraints to work around. Drawing on my architectural background I sketched
and sketched, attempting to highlight and resolve as many issues as I could
prior to starting the build.
Using my drawings as a reference, the bike was
initially mocked up with the frame template being cut out of cereal boxes, and
a spider web of ropes strategically hanging the cut up ct110 parts from the
garage roof in their correct positions and angles.
Countless cereal boxes later the rake, swing arm
and engine position were decided and the cardboard frame templates were ready
to cut out of wood. With the bike loosely clamped together, it was at this
stage I was seriously questioning my dreamt up engineering capabilities as the
bike creaked and wobbled when I wheeled it around (I was not game enough to
even sit on it).
With little time left I steamed forward,
reassuring myself that aluminium was much sturdier than wood. I
progressed, spending my nights in the garage slowing cutting and filing the
thick sheets of aluminium by hand and strategically drilling the holes with
precision. With the addition of some calculated spacers I surprisingly
assembled the bike in around 30 minutes just like a meccano kit. With two
nights until the reveal, the bike still had no wiring or fuel
system. One night was spent teaching myself how to wire a motorbike
and the last night was spent wandering through the aisles of Bunnings searching
for ideas for a tank. As the intention was to only make it around the
block (roughly 2km), large diameter copper tubes from the plumbing section
would have to do to feed the deliberately long fuel lines. The backup plan was to carry a syringe full
of fuel to pump into the lines when the engine started coughing. Yes I did receive strange looks when asking
for the biggest syringes they had at the chemist.
After another sleepless night spent in the garage
the bike fired up just an hour before the big reveal. A quick, wobbly
test ride a few metres out of the garage and into the back of the ute was all I
got before the Rusty Kustoms race was underway.
Names where drawn out of a hat and it came up to
my turn for a nervous run of the course.
There was a steep learning curve to riding the bike. At slow
speeds, legs dragged along like training wheels as the bike flopped around due
to the un-functional rake, but with a full twist of throttle it tucked nicely
into a straight line and is an eye opening ride to say the least - chin on the
front wheel and your bum inches away from being sucked into the back tyre, it’s
enough to get your heart pumping! Against all odds, with the ‘tank’ taking
just 150mls of fuel I managed to get a full 2 laps of the course – with just
enough left over for a celebratory burnout.
The rusty customs guys put on yet another great
event complete with a detailed course proper finish line and entertainment. The
event was a huge success and I would encourage anyone to have a go at the next
one.
The build process took around 4 weeks.
Since the build off I have polished and painted a few things and ridden the bike
at a few events. The bike will never be finished - I could sink countless
hours into improving various aspects of the bike - but it’s time to hang it in
the rafters and move onto new projects.
-Andy
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