A new compact gear train is under design with a view to achieve a high ratio of torques in a small space for a given power. The epicyclic gear train, shown in figure 1, has the following parameters;
Input shaft, A 800 rpm
Planet Gears, B 40 teeth each
Fixed annulus gear, C 170 teeth
Output shaft gear, D 90 teeth
Input power 4.5 kW
Find the speed and output torque available at the sun and find also the fixing torque on the annulus.