Speed Record Club
speed on wheels, water and wings
Just for the Record - August 2008
contents:
Lake Windermere Appeal
Is this bike the world’s fastest ...Kawasaki?
Austin Healey record car
Flatfire
Lake Windermere Appeal against lake speeding fails.
A motorboat owner who exceeded the
speed limit on England’s largest lake has
failed in a bid to have the bylaw overturned.
More in Fast Facts issue 70.
Is this bike the world’s
fastest ...Kawasaki?
Bikes on the two-way run take 5-6km to
achieve full speed before reaching the
1.6km stretch where the Swiss timer has
the lights set up to record the time taken for
the measured mile.
A New Zealand man is about to find out
whether his is the world’s fastest ... Kawasaki.
Every two years on Lake Gairdner,
a vast Australian salt flat, teams of motorcycle
enthusiasts gather to challenge and
defend the land speed record for production
motorbikes.
This month, Whangarei coach builder
John Howe will learn whether he has officially
broken the land speed record for
production motorcycles on his Kawasaki
ZX14, by clocking 358.9km/h on January
27 - beating the previous record by 1.8km/
h.
More in Fast Facts issue 70.
Austin Healey record car
The recently reported recreation of a
new Austin Healey endurance record car
based in the UK has taken a significant
step forward over the last 8 weeks since
its emergence was last reported. The car
has had its development suspension fitted
and the bodywork has emerged resplendent
in a mesmeric shade of light metallic
green, a colour previously verified as that
of the Special Test Cars by both Roger
Menadue and Geoff Healey.
This has been a dream come true for
owner Martyn Corfield, who has dreamt
of owning one of the original early Special
Test cars for years. Unfortunately this
was not possible, as the majority were
converted to full 100S specification, one
remains in its original 1953 configuration
and one SPL227B was scrapped in 1957,
so a recreation project is as close as it is
possible to get.
“I have always longed for one of these
early cars and to be able to restore it to
full Special Test Car status. Of these cars
the 1954 endurance record car held a
special fascination and the lure of speed
beckoned."
Much more in Fast Facts issue 70.
Flatfire
I have obtained some historical details
about Ron Main’s cars:
Aerodynamicist A.J. Smith wrote:
Ron Main contacted me in Feb 1990 and
asked if I could design a body for his new
Bonneville racer. At the time, I was working
directly with Bruce Crower as an aerodynamicist
on his Bonneville Streamliner.
I had designed a vertical fin for Bruce’s car
that made it stable and easy to drive, and
Bruce recommended me to Ron.
Ron had a Bob Meyer dragster chassis
and needed a clean body for it, so I
drew from my aeronautical experience
and drafted up a super slick, clean body
that looked unlike anything currently racing
at Bonneville. I began with the fundamental
approach of minimizing the flow of
high pressure air underneath the body;
and so went with a super low, pointy nose
slammed down to within 2” of the ground.
The side (profile) view of the car uses a
“laminar-flow” contour that offers the least
drag. With a flat bottom that uses rubber
belting around its perimeter, this becomes
the so-called “ground-effects” design, similar
to what I had worked with on Crower’s
streamliner. Ground clearance winds up
at 1” or less. Essentially, my goal was to
cover-up (“package”) the car’s parts with
a body design that did its best to part the
air as gently as possible in front of the car,
flow it smoothly around and above the
whole length, then try to bring it all smoothly
back together at the rear-end! I wanted
to minimise high-pressure air going under
the body. This would keep the car down
on the salt’s surface, increase wheel
steering authority and drive traction, and
thus lead to driver confidence! We used a
generously-sized vertical fin for directional
stability.
This was “Flatfire”. It set some records. It
ran from 1991 through ‘97/’98. It pleased
many and scared a few. Thanks to Ron, it
looked great doing it.
More about Ron Main's cars including Speed Demon in Fast Facts issue 70.
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