The adjustment is done with a single set screw that engages with a spring cam

spring adjust nuts

If you are a fan of dinosaur fossils

Continuous Current: 160

of which three prototypes were built

Savox - High Speed Digital Servo 0.048sec / 69oz @ 6V COR00172 The adjustment is done withThe Savox SH 1290MGP is a super speed, metal gear, digital servo that is extremely fast, but does not lack in performance. "Plus" series servos feature Soft Start and Sanwa SSR compatibility. Features: Metal gear train ensures durability and longevity. Extremely fast for quick response. Aluminum middle case allows for cooler operating temperatures. Ideal as a rudder servo on 500, 600, and 700 class helicopters. Dual ball bearing support. Technical