Now showing items 1-2 of 2
Investigation of spring valves
This thesis presents a study of spring valves with the ultimate aim of using them as high pressure hydraulic flow-control valves for agricultural applications. A closed helical coil spring, when pressurized, will provide ...
A furrow-following tractor guidance system
This thesis describes the development of a marker-follower guidance system for farm tractors. With each pass of the tractor and implement, the system leaves a furrow-marker which is followed on the next pass. For perimeter ...