Hello dear Sir /mam I am Professional mechanical engineer and currently working as Asst Professor of the subjects Design of machine Elements, Mechanics of solids ,Mechanics (Statics and Dynamics ) and Mechanics of Machines ,and have expertise in solving problems like these I have extensive experince of such design assignments ,spring ,governor,gears,bearing,engine pistons, design and calculations,I have many foreign engineering students,so you check my concepts and work attitude first and then consider my bid and get your solution asap ....................................thanks