James Parker

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The Need For A Low-Cost Tubeless Spoked Wheel
It’s said that necessity is the mother of invention.
By James ParkerJune 25, 2015
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History, Economics, Politics,  and Supercharging? | DRAWING THE LINE
James Parker talks about how BMW and Kawasaki turn to supercharged performance for a competitive advantage.
By James ParkerMay 15, 2015
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Motorcycle Design Concepts and Illustrations | DRAWING THE LINE
The Existential Pleasures of Drawing
By James ParkerApril 6, 2015
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Electric Motorcycles: Nuts and Volts | DRAWING THE LINE
Should magazines test and report on electric bikes differently?
By James ParkerMarch 5, 2015
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The Mystery of Steered Mass | DRAWING THE LINE
Reducing steering mass/inertia can result in lighter steering feel, less steering effort and better performance.
By James ParkerDecember 22, 2014
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Roll, Pitch and Yaw | DRAWING THE LINE
In roll, pitch, and yaw a bike wants to do what an airplane does and rotate around its three CG-intersecting axes.
By James ParkerOctober 28, 2014
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Technology and the Pitfalls Of Perfection | DRAWING THE LINE
When existing technologies work so well, any new invention looks risky.
By James ParkerSeptember 15, 2014
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Rotary Reassessment | DRAWING THE LINE
A rotary-valve engine would be smaller, lighter and more powerful than a typical four-cylinder motorcycle engine. What’s not to like?
By James ParkerAugust 22, 2014
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Three For Diversity | DRAWING THE LINE
We've come a long way from Harley-Davidson's Servi-Car…or have we?
By James ParkerJune 17, 2014
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Cross Purposes | DRAWING THE LINE
The conflicting goals of MotoGP class rules.
By James ParkerApril 29, 2014
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Crude Awakening | DRAWING THE LINE
As oil resources become more difficult and more expensive to develop, can we expect fuel economy and alternate power sources to have an increasing influence on motorcycle design?
By James ParkerApril 9, 2014
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Motorcycle Technology vs. Entertainment | A Marriage of Inconvenience | DRAWING THE LINE
By James ParkerApril 16, 2013
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Motorcycle Hardware vs. Vaporware | DRAWING THE LINE
By James ParkerMarch 19, 2013
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Trickle-Down Tech From Cars | DRAWING THE LINE
By James ParkerFebruary 20, 2013
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The Bat/Gen Electric | DRAWING THE LINE
By James ParkerJanuary 9, 2013
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Jim Mosher's Performance Indian: Something Old, Something New | DRAWING THE LINE
By James ParkerDecember 11, 2012
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The Future of Fuel Economy | DRAWING THE LINE
By James ParkerNovember 9, 2012