By Edgar T Westbury horizontal internal combustion engine. Described in Model Engineer Vol. 117
IMPORTANT PLEASE READ BEFORE ORDERING
The gears provided are 2:1 ratio however the distance between centers is 29.695mm NOT
22.22mm (7/8"). This means to use the gears provided you will have to displace the camshaft to suit as the position of the bearings can be adjusted. Please see the article in Model Engineer 12/9/1957 for details.