The H410 servo from Spektrum is designed for RC helicopter tails. It has a standard size and a speed of 0.06 sec/60º at 6.0V.

Specifications:

• Application: Helicopter tail servo
• Bearing: Single
• Bushing or Bearing: Bearing
• Gear Type: Plastic
• Height: 1.48in (37.6mm)
• Length: 1.51in (38.3mm)
• Servo Type: Digital
• Servo Voltage: 4.8-6.0V
• Size Category: Standard
• Speed: 0.07 sec/60° @ 4.8V; 44 oz-in (3.2 kg-cm) @6.0V
• Speed @ 4.8V: .05-.09 sec
• Torque: 34 oz-in (2.4 kg-cm) @ 4.8V; 44 oz-in (3.2 kg-cm) @ 6.0V
• Torque @ 4.8V: 20-39 oz-in
• Weight: 1.60oz (45g)
• Width: 0.75in (19.0mm)