Features

  • H-D Knucklehead engine

    H-D Knucklehead engine

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    Harley-Davdison’s distinctive ohv Knucklehead engine There are those who march towards the sound of gunfire. So it was with the executives of Harley-Davidson. Harley's roots go back to 1900 in Milwaukee, Wisconsin. Boyhood friends and bicycle enthusiasts William S Harley and Arthur Davidson, both with jobs in engineering, built their own sin­gle cylinder engine and…

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  • FN Four: engine profile

    FN Four: engine profile

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    FN four cylinder engine FN's first motor cycle was produced in 1902. A 133cc single, it was successful enough to convince the factory that there was a future in two-wheelers. The following year the capacity was increased to 188cc, and in 1904 to 300cc. In charge of development was a young Belgian engineer, Paul Kelecom,…

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  • Norton Dunstall Dominator

    Norton Dunstall Dominator

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    Paul Dunstall Norton Dominator 650 (pdf) How about this for a dream? Two-miles-a-minute  top whack; out-accelerate a Manx Norton; cover a standing-start quarter-mile in sprint time yet easily restart on a 1 in 4 gradient; tick-tock idling at 500 rpm. This dream travels under the name, Dunstall Dominator. On road and track it provided me…

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