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Byline: D. J. Cole, Y.H. Khoo A novel method for measuring the cornering stiffness of pneumatic tyres is described. Data collected for a bicycle tyre are presented, and it is shown that the variation of cornering stiffness with vertical force is similar to that observed for car tyres. The stability of a lightweight vehicle using three wheels fitted with the tyres is investigated theoretically. It is found that there is a trade-off between understeer gradient (a measure of directional stability) and rollover threshold. The nature of the trade-off depends on whether the single wheel is on the front axle or rear axle. Neither position is clearly better.

Project valuation using only cost-accounting techniques may neglect important strategic issues. In this article, the authors analyze the Baldwin bicycle case. First they apply traditional accounting techniques and arrive at one conclusion. Next they show that if strategic issues are explicitly incorporated a very different decision seems appropriate. (Reprinted by permission of the publisher.)