Featured Pages Matchless Flat Twin 1916 An Outstanding Design by Harry Collier
Matchless 732cc HO TwinClement Ader The Stuff of Legend
Pioneer in Telephony, Aviation and Motorcycling
Moteurs AderGuzzi's Grandpa A shaft-drive transverse V-twin from 1904, another deft touch from Clement Ader.
Desmodromology by Henk Cloosterman
Henk Cloosterman has spent 25 years studying the desmo valve system, and five of those years writing a book on the subject with co-author Francisco Tijsse Klasen.