Drag Race Simulator for
1/4 mile, 1/8 mile or Top Speed
This simulator was developed by John Bolton. Default values
entered into the simulator were provided by Motorcycle Performance Guide. The
numbers entered represent a well tuned Stage 1 Evolution engine in a Dyna or
Softtail frame with an 150 pound rider.
Simulator Notes and User Guide
Engine Data
Torque (pound-feet)/RPM Pairs
(Default values are from a well tuned stock EVO 80 CID. This is not an
average engine.)
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Drivetrain
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Chassis/Body
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Tires
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Environment
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Driving Style
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Notes:
 | Check Auto Recall of Last Run and all form settings and
values as of your most recent "run" (after clicking the Go!
button) will be automatically restored for you the next time you visit! For this to work,
your browser must be configured to accept cookies.
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| Be sure to select the desired memory location before clicking one of the
memory buttons (Recall, Store, Clear).
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| Launches are clutch-slipping with traction control, meaning RPM will
stay at or above Launch RPM, and if torque to the rear wheels exceeds available traction,
torque is reduced as much as is necessary to "prevent" wheelspin.
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| Inertial forces of the flywheel, engine reciprocating assembly, etc.,
during launch are ignored, mainly because I don't know how to correctly integrate them
into my calculations.
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Be patient after the results window pops up. This simulator (minus the
form) is implemented entirely in client-side JavaScript (your computer executes it). On a
200 MHz Pentium running Netscape Navigator 3+, 1/4 mile results can take 5-10 seconds,
while top speed results can take up to 30 seconds or so. Microsoft Explorer may take 2
to 3 times longer.
Top
© 1998 John A
Bolton.
All Rights Reserved.
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