{"product_id":"mks-hbl990-brushless-titanium-gear-high-speed-high-voltage-digital-tail-servo","title":"MKS HBL990 Brushless Titanium Gear High Speed High Voltage Digital Tail Servo","description":"\u003cp\u003eThe \u003cstrong\u003eMKS HBL990\u003c\/strong\u003e is a brushless chrome-titanium gear high-speed high-voltage digital tail servo designed for RC helicopter tail rotor applications. Running on 3.5–8.4V (2S LiPo unregulated) at 760μs\/560Hz, it delivers \u003cstrong\u003e87.4 oz\/in (6.3 kg\/cm) at 8.2V\u003c\/strong\u003e with a blistering \u003cstrong\u003e0.030 sec\/60°\u003c\/strong\u003e transit speed — providing the ultra-fast response required for precise tail authority in high-performance helicopter flight.\u003c\/p\u003e\n\n\u003cp\u003eA 4-pole brushless motor delivers instant response and long service life. Chrome-titanium alloy gears provide precision and durability under the sustained high-frequency inputs of tail rotor operation. Dual ball bearings ensure smooth, consistent output shaft operation run after run.\u003c\/p\u003e\n\n\u003ch2\u003eCompatible Gyros\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eSpartan DS760, Quark\u003c\/li\u003e\n\u003cli\u003eFutaba GY611, GY601, GY520\u003c\/li\u003e\n\u003cli\u003eALIGN GP700, GP750\u003c\/li\u003e\n\u003cli\u003eMikado V-Bar Tail, CSM SL720\u003c\/li\u003e\n\u003cli\u003eCurtis Youngblood Mini-G, Solid G\u003c\/li\u003e\n\u003cli\u003eThunder Tiger TG-7000\u003c\/li\u003e\n\u003cli\u003eBeastX Microbeast\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e4-pole brushless motor for ultra-fast response and long service life\u003c\/li\u003e\n\u003cli\u003eChrome-titanium alloy gears for precision and durability\u003c\/li\u003e\n\u003cli\u003e87.4 oz\/in (6.3 kg\/cm) stall torque at 8.2V\u003c\/li\u003e\n\u003cli\u003e0.030 sec\/60° transit speed at 8.2V — ultra-fast tail servo\u003c\/li\u003e\n\u003cli\u003e3.5–8.4V operating range (2S LiPo unregulated compatible)\u003c\/li\u003e\n\u003cli\u003e760μs \/ 560Hz working frequency for gyro compatibility\u003c\/li\u003e\n\u003cli\u003eDual ball bearings (2BB)\u003c\/li\u003e\n\u003cli\u003e40 x 20 x 40mm, 70.55g\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable cellspacing=\"0\" class=\"product-properties\" summary=\"Specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003ePart Number\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003eHBL990\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eOperating Voltage\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e3.5 – 8.4V DC (2S LiPo unregulated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eStall Torque (6.0V)\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e4.7 kg\/cm — 65.2 oz\/in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eStall Torque (7.4V)\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e5.8 kg\/cm — 80.5 oz\/in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eStall Torque (8.2V)\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e6.3 kg\/cm — 87.4 oz\/in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eSpeed (6.0V)\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e0.040 sec\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eSpeed (7.4V)\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e0.036 sec\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eSpeed (8.2V)\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e0.030 sec\/60°\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eMotor Type\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e4-Pole Brushless Motor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eGear Type\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003eChrome-Titanium Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eBearing Type\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003eDual Ball Bearings (2BB)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eWorking Frequency\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e760μs \/ 560Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eDead Band\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e0.0008ms (default)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eDimensions\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e40 x 20 x 40mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"property-name\"\u003eWeight\u003c\/td\u003e\n\u003ctd class=\"property-value\" colspan=\"2\"\u003e70.55g\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cp\u003eDesigned for RC helicopter tail rotor applications requiring an ultra-fast, high-voltage brushless tail servo. Compatible with the gyros listed above. Verify gyro compatibility and receiver\/ESC BEC voltage output before purchasing.\u003c\/p\u003e","brand":"MKS USA","offers":[{"title":"Default Title","offer_id":777027256339,"sku":"HBL990","price":168.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0760\/2349\/products\/hbl990.jpeg?v=1571275260","url":"https:\/\/superstitionhobbies.com\/products\/mks-hbl990-brushless-titanium-gear-high-speed-high-voltage-digital-tail-servo","provider":"Superstition Hobbies","version":"1.0","type":"link"}