In this research, gearbox has been designed according to the two rows
planetary and several directly rows to rotate the four-roof building in
Homs city while maintaining the relative rotation between the floors,
and the study of the steel core and
wholesale construction of the
building to calculate the required engine power to rotate each floor
privately and the study of required bearings, gears and hubs, and then
study the effect of rotate the building at energy saving.
