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AGFRC
AGFRC A73BHNH 17.5KG High-Speed Brushless Tail Servo
In stock: ships within 2 business days.
Low stock: lead time confirmed upon order.
Delivery: 4–9 days after shipment.
AGFRC A73BHNH 17.5KG High-Speed Brushless Digital Tail Servo with 666Hz Response Steel Titanium Gears and 90° Travel for RC Helicopter Tail Control
➤ The AGFRC A73BHNH is a high-speed brushless digital tail servo designed for fast and precise tail control in demanding RC applications. With a 666Hz refresh rate and an operating speed of 0.061 sec/60° at 8.4V, it delivers rapid response for accurate corrections and stable control, while providing up to 17.5kg-cm of stall torque.
➤ Built with a brushless motor and FET drive, the servo combines strength steel and titanium gears, an aluminum case and 2BB metal bearings for durable mechanical support. Its 4.8V–8.4V operating range, 452–1072μsec signal range, 25T Ø5.92mm spline and 90° ±5° operating travel make it suitable for RC helicopter tail systems and other high-speed control mechanisms.
Main Features
● 666Hz High-Frequency Response
● 0.061s/60° Ultra-Fast Speed
● 17.5KG High-Voltage Torque Output
● Brushless Motor with FET Drive
● Strength Steel and Titanium Gears
● Aluminum Case with 2BB Metal Bearings
● 90° ±5° Tail Servo Travel
● 25T Ø5.92mm Spline Compatibility
Applications
➤ Designed for RC helicopter tail control systems and other fast-response RC mechanisms requiring precise 90° servo travel.
Specifications
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
Package Includes
● 1 x A73BHNH Servo
● 2 x 25T Plastic Horns
● 4 x Mounting Screws
● 1 x Horn Screw
● 4 x Rubber Pads
● 4 x Copper Sleeves
➤ Perhaps you will need a spec datasheet or other related documents of the products. If there is a download button, it means you can simply click to download. We will continuously update the latest files for each product.
➤ If you do not find the file you want, please feel free to contact shopping@agfrc.com directly.
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