Doug Staab

In-line Four Engine Development

by Doug Staab - Contributor to The Kneeslider on 9/24/2010

in Doug Staab, Engines, Motorcycle Technology

Is the in-line four cylinder motor about to become the most developed engine for performance motorcycles? BMW’s choice for this platform and Yamaha’s development of their cross-plane crankshaft engine are two obvious points. What if either of those manufacturers combine their strategies with something similar to the Horex’s staggered piston arrangement? The Horex 6 cylinder [...]

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All motorcycle manufacturers must contend with changes in tastes & demographics (age, gender, location, etc.). For several years there has been a lot of talk about the increase in the average age of the Harley-Davidson buyer. The investment in the 2010 Street Glide Trike model seems to be in-line with that statistic, while another investment [...]

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Are you baffled by the lack of mass produced American-made sport motorcycles? (editor’s note: other than Buell) Ironically, 10 years ago a failed business plan for a cruiser motorcycle and a questionable trademark decision played the lead roles in the continued absence of an American sportbike. This absence was not from a lack of demand [...]

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R1 with Girder Front Suspension – Update

by Doug Staab - Contributor to The Kneeslider on 6/5/2008

in Doug Staab, Motorcycle Builders, Motorcycle Design

The start of summer is around the bend which means for some builders another winter project is getting close to completion. Jason Rodman sent us an update on his very cool girder project. The impressive aluminum, arc’d design is carried out with excellent machining. During the intial mockup, RMD and Jason found proper trail numbers [...]

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