В догонку, порыл ещё немного.
Есть
вариант под "аэро" (A6030 Digital Aircraft Servo - High Torque) с другой передаткой:
Specs
Size Category:Standard
Type:Digital
Application:Giant Scale
Torque:278 oz-in @ 6V
Speed:0.15 sec/60° @ 6V
Dimensions (WxLxH):.8 x 1.6 x 1.5 in (40 x 20 x 37mm)
Weight:1.8 oz (52.4 g)
Bushing Or Bearing:Bearing
Bearing:Dual
Motor Type:Coreless
Gear Type:Metal
Gear Material:Titanium
А есть мини
H5000 Mini Digital Heli Servo by Spektrum $54.99
Specs
Size Category:Minis and Micros
Type:Digital
Application:Heli
Torque:64 oz-in @ 6V
Speed:0.11 sec/60° @ 6V
Dimensions (WxLxH):.6 x 1.4 x 1.1 in (35 x 15 x 29mm)
Weight:0.9 oz (26.0 g)
Bushing Or Bearing:Bearing
Bearing:Dual
Motor Type:Coreless
Gear Type:Nylon
Gear Material:Nylon
Но тут ничего "супер-пупер"....