a two stage reduction drive is to be designed to transmit $2$kw; the input speed being $960$rpm and overall reduction ratio being $9.$ the drive consists of straight tooth spur gears only, the shaft being spaced $200$mm apart, the input and output shaft being coaxial $($a$)$ draw a layout of a suitable system to meet the above specifications, indicating the speeds of all rotating components. $($b$)$ calculate the module, pitch diameter, number of teeth, blank diameter and face width of the gears for medium heavy duty conditions, the gears being of medium grades of accuracy $($c$)$ draw to scale one of the gears and specify on the drawing the calculated dimensions and other data complete in every respect for manufacturing purposes