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AGFRC
AGFRC A73 RC Helicopter Servo Combo Cyclic 3 Servos and 1 Tail Servo (A73 Heli Combo)
In stock: ships within 2 business days.
Low stock: lead time confirmed upon order.
Delivery: 4–9 days after shipment.
AGFRC A73 RC Helicopter Servo Combo with 3 A73BHLH 30KG IP67 Cyclic Servos and 1 A73BHNH 17.5KG 666Hz Brushless Tail Servo
➤ The AGFRC A73 RC Helicopter Servo Combo is a matched four-servo set for helicopter cyclic and tail control. It includes three A73BHLH cyclic servos with up to 30kg-cm torque at 8.4V, 0.095 sec/60° speed, IP67 protection and programmable PWM control, plus one A73BHNH tail servo with up to 17.5kg-cm torque, 0.061 sec/60° speed and a 666Hz refresh rate for fast tail response.
➤ Both models use brushless motors with FET drive, aluminum cases and metal-bearing support for responsive control and durable operation. The A73BHLH uses strength steel gears and 180° ±10° travel, while the A73BHNH tail servo uses strength steel plus titanium gears and 90° ±5° travel. This position-specific configuration helps simplify installation when building or replacing a complete A73 helicopter servo system.
Main Features
● Complete 4-Servo Helicopter Set – 3 cyclic servos and 1 tail servo
● Dedicated Cyclic and Tail Configuration – Position-matched A73 servo combination
● 30KG IP67 Cyclic Performance – A73BHLH cyclic servos with programmable PWM control
● 17.5KG High-Speed Tail Control – A73BHNH tail servo with 0.061s/60° response
● 666Hz Tail Servo Refresh Rate – Fast signal response for tail control applications
● Brushless Motors with FET Drive – Responsive digital servo operation
● Steel and Titanium Gear Options – Durable gear materials by servo position
● Common 25T Ø5.92mm Spline – Consistent mounting interface across the set
Applications
➤ Designed for RC helicopter cyclic and tail control systems requiring a complete three-cyclic and one-tail servo configuration.
Specifications
● A73BHNH x 1PC
Operating Voltage
4.8V - 8.4V
Temperature Range
-15°C - +70°C
Refresh Rate
760 µS / 666Hz
Travel Angle
180 ± 10°
Programmable
Yes
Case Material
Aluminum
Gear Material
Strength Steel
Sensor Type
Potentiometer
Motor Type
Brushless
Bearing
2BB
Direction
CCW
Horn Gear Spline
25T-ɸ5.92 mm
Wire
JR 300mm / 22AWG
Wire Color
Dimensions
40*20*37.5 mm (1.57 × 0.79 × 1.48 in)
Weight
73.5 g (2.94 oz)
Operating Speed
0.085 sec/60° @4.8V
0.075 sec/60° @6.0V
0.068 sec/60° @7.4V
0.061 sec/60° @8.4V
Stall Torque
14.0 kg·cm (194 oz·in) @4.8V
15.0 kg·cm (208 oz·in) @6.0V
16.5 kg·cm (229 oz·in) @7.4V
17.5 kg·cm (243 oz·in) @8.4V
● A73BHLH x 3PCS
Operating Voltage
4.8V - 8.4V
Temperature Range
-15°C - +70°C
Refresh Rate
1520 µS / 333Hz
Travel Angle
180 ± 10°
Programmable
Yes
Case Material
Aluminum
Gear Material
Strength Steel+Titanium
Sensor Type
Potentiometer
Motor Type
Brushless
Bearing
2BB
Direction
CCW
Horn Gear Spline
25T-ɸ5.92 mm
Wire
JR 300mm / 22AWG
Wire Color
Dimensions
40*20*37.5 mm (1.57 × 0.79 × 1.48 in)
Weight
73.5 g (2.94 oz)
Operating Speed
0.150 sec/60° @4.8V
0.130 sec/60° @6.0V
0.110 sec/60° @7.4V
0.095 sec/60° @8.4V
Stall Torque
22 kg·cm (305 oz·in) @4.8V
24 kg·cm (333 oz·in) @6.0V
27 kg·cm (375 oz·in) @7.4V
30 kg·cm (417 oz·in) @8.4V
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