/__662__HXT900_9g_1_6kg_12sec_Micro_Servo.html
Those servos are more powerful than the previous mini/micros, but I
calculate 2500gm-cm/(28.3gm/oz * 2.54cm/in) = 35 oz-in of torque. That's
still pretty darn weak, less than the 44 oz-in of "standard" servos, so
you're still not gonna run hog wild using them.