If you're looking for a high quality standard servo for your new large airplane project, look no further than the ASI-621MG Coreless Digital Metal Gear servo.
The AeroStar ASI-621MG is a standard size digital servo featuring a metal gear train, coreless motor, dual ball bearing supported output shaft, durable plastic and alloy case, and a fast 0.131sec transit time and a whopping 21.06 kg-cm of torque!
Operating Speed:(4.8V) 0.152sec/60
Operating Speed:(6V) 0.131sec/60
Stall Torque:(4.8V) 17.21 kg.cm
Stall Torque:(6V) 21.06kg.cm
Connector Wire Length:JR 265mm