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August 15th 2003 - World Record for Craig Jones
Craig presents Erik Buell with
a copy of his official notification of his world record stoppie.
"Way to go, Craig!
This is great news, and well deserved. I continue to
be amazed at your bike control every time I see you ride.
And thanks again for the show you put on in such bleak conditions at Buell.
It meant a great deal to the folks here.
To an even better New Year!"
Erik Buell.
World Record Info:
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Bike: Buell XB12R
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Modifications:
- Remove all rear brake system inc rear disc
- Remove passenger pegs
- Remove passenger seat
- Remove all indicators
- Remove rear view mirrors
- Replace clip-on handle bars with motocross
type bars
- Load front fairing area with approx 30 kg
of lead ballast weight
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Tyres: Standard supplied D207
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Launch speed: 130 mph (208kmh)
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Location: Florida Evaluation
Centre (F.E.C), Naples, Florida
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Record: Craig Jones 266 metres
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Craig Jones Record
Breaker
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Important notes:
1. We realised that the last world record stoppie
of 740 feet (225.5 metres), was probably the limit using a stock
Buell XB9S all but changing the handlebars. So to go a greater distance
would require extensively modifying a stock bike.
Looking at the challenge scientifically, three factors were realised.
We needed a greater take off speed. We needed a more aerodynamic
shape in order to gain speed and stability. We needed to lighten
the back end of the bike and add additional front forward ballast
weight to make the bike lift easier.
The Buell XB12R was chosen. It automatically has more top speed
due to the bigger engine size and power output. It has a more aerodynamic
fairing shape but more importantly, the fairing is frame mounted.
This enables additional weight to be added to this area without
effecting steering. So the bike will remain stable. This additional
ballast weight positioned in the front fairing area has three purposes.
(a) The buell has a very low centre of gravity which is ideal for
track and road handling. However, for the purpose of this high speed
stoppie, which is a very unnatural and extreme maneuvre, a relatively
low centre of gravity is not necessarily required. So a front forward
ballast weight will lift the centre of gravity forward and up. (b)
A ballast weight will act as a counter balance weight against the
weight of the rider. Thus creating a pendulum effect pivoting via
the front wheel. (c) A ballast weight will help to prevent the bike
from being lifted so high when the front brake is initially applied
at high speed due to high air pressure and drag.
The combination of the above has resulted in Craig Jones being capable
of carrying an EXTRA front wheel stoppie distance of 133 feet (40.5
metres) over and above the existing world record set by himself.
For further information about Buell please visit www.buell.com
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