{"product_id":"src-flashhobby-bls4037rp-bls4037rp-37kg-bls-servo","title":"Flashhobby BLS4037RP Brushless Digital Servo 37kg-cm @8.4V, IP67, 25T Spline, CNC Aluminum, JR","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\u003cp\u003eFlashhobby 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 6.0–8.4V and uses a full aluminum CNC case with an IP67 waterproof level.\u003c\/p\u003e\u003ch2\u003eKey Features\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/rcdrone.top\/collections\/brushless-motors\" title=\"Brushless Motor\"\u003eBrushless motor\u003c\/a\u003e, digital control, MOS drive\u003c\/li\u003e\n\u003cli\u003eProgrammable PWM digital amplifier with 32-bit MCU\u003c\/li\u003e\n\u003cli\u003eWide operating voltage: DC 6.0–8.4V\u003c\/li\u003e\n\u003cli\u003eSteel gears; helical gear design description: small backlash, high bite, low noise, high smoothness\u003c\/li\u003e\n\u003cli\u003eDual ball bearing supported output shaft (2BB)\u003c\/li\u003e\n\u003cli\u003e25-tooth output spline\u003c\/li\u003e\n\u003cli\u003eDiamond-cut aluminum heat sink shell; full aluminum CNC case material\u003c\/li\u003e\n\u003cli\u003eWater resistant and waterproof case, waterproof level: IP67\u003c\/li\u003e\n\u003cli\u003eMode compatible: Sanwa SSR\/SUR, Flysky NB4 SFR, Futaba SR\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eSpecifications\u003c\/h2\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eBLS4037RP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl system\u003c\/td\u003e\n\u003ctd\u003ePWM control (1520uSec in the central point)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal type\u003c\/td\u003e\n\u003ctd\u003eDigital control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMotor type\u003c\/td\u003e\n\u003ctd\u003eBrushless\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDriver type\u003c\/td\u003e\n\u003ctd\u003eMOS drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAngle sensor\u003c\/td\u003e\n\u003ctd\u003ePotentiometer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation voltage range\u003c\/td\u003e\n\u003ctd\u003eDC 6.0~8.4V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRefresh rate\u003c\/td\u003e\n\u003ctd\u003eCompatible 50Hz~1000Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation temperature range\u003c\/td\u003e\n\u003ctd\u003e-20C ~ +70C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePulse width\u003c\/td\u003e\n\u003ctd\u003e500 to 2500 uSec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircle\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; one million times without load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperation travel\u003c\/td\u003e\n\u003ctd\u003e180° ± 5°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgrammable angle\u003c\/td\u003e\n\u003ctd\u003eYES\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDirection\u003c\/td\u003e\n\u003ctd\u003eCW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoft start function\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWaterproof level\u003c\/td\u003e\n\u003ctd\u003eIP67\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eGear\u003c\/td\u003e\n\u003ctd\u003eSteel gears\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBall bearing\u003c\/td\u003e\n\u003ctd\u003e2BB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCase material\u003c\/td\u003e\n\u003ctd\u003eFull aluminum CNC (CNC AL6061 aluminum case)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e40x20x40.5mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e80g ± 10g (without servo horn)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector\u003c\/td\u003e\n\u003ctd\u003eJR plug\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConnector wire length\u003c\/td\u003e\n\u003ctd\u003e22AWG 260mm JR (also listed as 300MM JR plug)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire info (Black)\u003c\/td\u003e\n\u003ctd\u003eNegative\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire info (Black)\u003c\/td\u003e\n\u003ctd\u003ePositive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWire info (White)\u003c\/td\u003e\n\u003ctd\u003eS Single\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003ch3\u003ePerformance (Test Voltage)\u003c\/h3\u003e\u003ctable\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eAt 6.0V\u003c\/th\u003e\n\u003cth\u003eAt 7.4V\u003c\/th\u003e\n\u003cth\u003eAt 8.4V\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eStanding torque\u003c\/td\u003e\n\u003ctd\u003e26kg-cm (361oz-in)\u003c\/td\u003e\n\u003ctd\u003e31kg-cm (430oz-in)\u003c\/td\u003e\n\u003ctd\u003e37kg-cm (514oz-in)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpeed\u003c\/td\u003e\n\u003ctd\u003e0.10sec\/60°\u003c\/td\u003e\n\u003ctd\u003e0.08sec\/60°\u003c\/td\u003e\n\u003ctd\u003e0.07sec\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRunning current\u003c\/td\u003e\n\u003ctd\u003e3500mA\u003c\/td\u003e\n\u003ctd\u003e4000mA\u003c\/td\u003e\n\u003ctd\u003e4600mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDead band\u003c\/td\u003e\n\u003ctd\u003e2uSec\u003c\/td\u003e\n\u003ctd\u003e2uSec\u003c\/td\u003e\n\u003ctd\u003e2uSec\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003ch2\u003eProgrammable Functions\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eEnd point adjustments\u003c\/li\u003e\n\u003cli\u003eDirection\u003c\/li\u003e\n\u003cli\u003eFail safe\u003c\/li\u003e\n\u003cli\u003eDead band\u003c\/li\u003e\n\u003cli\u003eSpeed (slower)\u003c\/li\u003e\n\u003cli\u003eSoft start rate\u003c\/li\u003e\n\u003cli\u003eOverload protection\u003c\/li\u003e\n\u003cli\u003eData save \/ load\u003c\/li\u003e\n\u003cli\u003eProgram reset\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eWhat’s Included\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e1x \u003ca href=\"https:\/\/rcdrone.top\/collections\/flashhobby\" title=\"Flashhobby\"\u003eFlashhobby\u003c\/a\u003e BLS4037RP servo\u003c\/li\u003e\n\u003cli\u003eServo horns (plastic and aluminum)\u003c\/li\u003e\n\u003cli\u003eMounting hardware (screws, grommets, brass eyelets)\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor compatibility or setup support (PWM settings, programming functions, and installation), contact support@rcdrone.top or visit https:\/\/rcdrone.top\/.\u003c\/p\u003e\u003ch2 id=\"details\"\u003eDetails\u003c\/h2\u003e\u003cdiv class=\"details-gallery\"\u003e\n\u003cimg alt=\"Flashhobby BLS4037RP 37KG 8.4V BLS Servo\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Flashhobby-BLS4037RP-37KG-84V-BLS-Servo.jpg?v=1775908323\"\u003e\u003cp\u003eThe Flashhobby BLS4037RP brushless digital servo features a compact metal case with clear 8.4V and 37kg markings for quick identification during installs.\u003c\/p\u003e\n\u003cimg alt=\"Flashhobby BLS4037RP 37KG 8.4V BLS Servo\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Flashhobby-BLS4037RP-37KG-84V-BLS-Servo_cc2538ec-7d98-4dc1-af32-d833b822e698.jpg?v=1775908329\"\u003e\u003cp\u003eThe Flashhobby BLS4037RP brushless digital servo features an IP67 water-resistant case and a compact 40 mm x 20 mm body for tight installs.\u003c\/p\u003e\n\u003cimg alt=\"Flashhobby BLS4037RP 37KG 8.4V BLS Servo\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Flashhobby-BLS4037RP-37KG-84V-BLS-Servo_77d3f5a9-2d05-459a-8e86-886d90ac996a.jpg?v=1775908335\"\u003e\u003cp\u003eFlashhobby BLS4037RP brushless digital servo features an IP67-rated, diamond-cut aluminum heat-sink shell and supports Sanwa SSR, NB4, and Futaba modes.\u003c\/p\u003e\n\u003cimg alt=\"Flashhobby BLS4037RP 37KG 8.4V BLS Servo\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Flashhobby-BLS4037RP-37KG-84V-BLS-Servo_9abd5d9a-d8cc-4f0f-877b-efda387ad86a.jpg?v=1775908342\"\u003e\u003cp\u003eThe Flashhobby BLS4037RP brushless digital servo uses a 25-tooth output spline and includes servo horns, bushings, and mounting screws for setup.\u003c\/p\u003e\n\u003cimg alt=\"Flashhobby BLS4037RP 37KG 8.4V BLS Servo\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Flashhobby-BLS4037RP-37KG-84V-BLS-Servo_09964e3b-d2e7-4919-80d2-91f2ee457307.jpg?v=1775908350\"\u003e\u003cp\u003eFlashhobby BLS4037RP brushless digital servo supports 6.0–8.4V operation, 180° travel, and lists IP67 protection, torque, speed, and mounting dimensions.\u003c\/p\u003e\n\u003cimg alt=\"Flashhobby BLS4037RP 37KG 8.4V BLS Servo\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Flashhobby-BLS4037RP-37KG-84V-BLS-Servo_09ce02d0-5549-4ed2-998b-606643c6ca1c.jpg?v=1775908357\"\u003e\u003cp\u003eThe Flashhobby BLS4037RP brushless digital servo includes multiple servo horns, rubber grommets, bushings, and mounting screws for installation.\u003c\/p\u003e\n\u003cimg alt=\"Flashhobby BLS4037RP 37KG 8.4V BLS Servo\" loading=\"lazy\" src=\"https:\/\/rcdrone.top\/cdn\/shop\/files\/Flashhobby-BLS4037RP-37KG-84V-BLS-Servo_a3e7d27a-da03-4dcb-8a22-dd0b7ebae9df.jpg?v=1775908363\"\u003e\u003cp\u003eThe Flashhobby BLS4037RP brushless digital servo comes in a branded clear-lid plastic case with a snap latch for protected storage.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Flashhobby","offers":[{"title":"Default Title","offer_id":51411144376544,"sku":"Flashhobby-BLS4037RP","price":209.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0643\/3210\/3904\/files\/1-1507883.jpg?v=1775734468","url":"https:\/\/rcdrone.top\/products\/src-flashhobby-bls4037rp-bls4037rp-37kg-bls-servo","provider":"RCDrone","version":"1.0","type":"link"}