A few weeks ago I wrote about the Abacus Drive, a new rotary transmission that could find its way into vehicles very soon. The Abacus was an evolutionary step forward from harmonic gears. They do similar things in similar ways and the idea of both of them is to increase or decrease the gear ratios available and do it in the smallest, most robust package. In 1957 Clarence … [Read more...]
Ferguson 4 Wheel Drive System
The Ferguson 4WD system known as the Ferguson Formula was developed by Harry Ferguson Research Ltd that was formed by Harry Ferguson, an Irish engineer. Ferguson originally developed tractors with David Brown as the Ferguson-Brown company. The uniqueness was the hitch at the back to connect multiple types of equipment. David Brown went on to be the owner of Aston Martin when … [Read more...]
