Flashhobby BLS4037RP Brushless Digital Servo 37kg-cm @8.4V, IP67, 25T Spline, CNC Aluminum, JR

Description

Overview

Flashhobby BLS4037RP is a brushless digital servo rated up to 37kg-cm at 8.4V, designed for high-torque RC steering and control surfaces. It supports a wide DC input range of 6.08.4V and uses a full aluminum CNC case with an IP67 waterproof level.

Key Features

• Brushless motor, digital control, MOS drive
• Programmable PWM digital amplifier with 32-bit MCU
• Wide operating voltage: DC 6.08.4V
• Steel gears; helical gear design description: small backlash, high bite, low noise, high smoothness
• Dual ball bearing supported output shaft (2BB)
• 25-tooth output spline
• Diamond-cut aluminum heat sink shell; full aluminum CNC case material
• Water resistant and waterproof case, waterproof level: IP67
• Mode compatible: Sanwa SSR/SUR, Flysky NB4 SFR, Futaba SR

Specifications

Model	BLS4037RP
Control system	PWM control (1520uSec in the central point)
Signal type	Digital control
Motor type	Brushless
Driver type	MOS drive
Angle sensor	Potentiometer
Operation voltage range	DC 6.0~8.4V
Refresh rate	Compatible 50Hz~1000Hz
Operation temperature range	-20C ~ +70C
Pulse width	500 to 2500 uSec
Circle	> one million times without load
Operation travel	180 5
Programmable angle	YES
Direction	CW
Soft start function	Included
Waterproof level	IP67
Gear	Steel gears
Ball bearing	2BB
Case material	Full aluminum CNC (CNC AL6061 aluminum case)
Dimensions	40x20x40.5mm
Weight	80g 10g (without servo horn)
Connector	JR plug
Connector wire length	22AWG 260mm JR (also listed as 300MM JR plug)
Wire info (Black)	Negative
Wire info (Black)	Positive
Wire info (White)	S Single

Performance (Test Voltage)

Parameter	At 6.0V	At 7.4V	At 8.4V
Standing torque	26kg-cm (361oz-in)	31kg-cm (430oz-in)	37kg-cm (514oz-in)
Speed	0.10sec/60	0.08sec/60	0.07sec/60
Running current	3500mA	4000mA	4600mA
Dead band	2uSec	2uSec	2uSec

Programmable Functions

• End point adjustments
• Direction
• Fail safe
• Dead band
• Speed (slower)
• Soft start rate
• Overload protection
• Data save / load
• Program reset

Whats Included

• 1x Flashhobby BLS4037RP servo
• Servo horns (plastic and aluminum)
• Mounting hardware (screws, grommets, brass eyelets)

For compatibility or setup support (PWM settings, programming functions, and installation), contact [email protected] or visit https://rcdrone.top/.

Details

The Flashhobby BLS4037RP brushless digital servo features a compact metal case with clear 8.4V and 37kg markings for quick identification during installs.

The Flashhobby BLS4037RP brushless digital servo features an IP67 water-resistant case and a compact 40 mm x 20 mm body for tight installs.

Flashhobby BLS4037RP brushless digital servo features an IP67-rated, diamond-cut aluminum heat-sink shell and supports Sanwa SSR, NB4, and Futaba modes.

The Flashhobby BLS4037RP brushless digital servo uses a 25-tooth output spline and includes servo horns, bushings, and mounting screws for setup.

Flashhobby BLS4037RP brushless digital servo supports 6.08.4V operation, 180 travel, and lists IP67 protection, torque, speed, and mounting dimensions.

The Flashhobby BLS4037RP brushless digital servo includes multiple servo horns, rubber grommets, bushings, and mounting screws for installation.

The Flashhobby BLS4037RP brushless digital servo comes in a branded clear-lid plastic case with a snap latch for protected storage.