{"product_id":"goosky-legend-rs5-ultra-560-class-electric-rc-helicopter-kit","title":"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit","description":"\u003cdiv style=\"text-align: start;\"\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003cp\u003e\u003cstrong\u003eGOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Specifications：\u003c\/strong\u003e\u003cbr\u003eBrand: GOOSKY\u003cbr\u003eModel: Legend RS5 ULTRA\u003cbr\u003eProduct Type: Electric RC Helicopter Kit\u003cbr\u003eHelicopter Class: 550 \/ 560 Class\u003cbr\u003eMain Blade Length: 560 mm\u003cbr\u003eMain Rotor Diameter: Approx. 1272 mm\u003cbr\u003eTail Blade Length: 95 mm\u003cbr\u003eTail Rotor Diameter: Approx. 259 mm\u003cbr\u003eOverall Length: Approx. 1159 mm\u003cbr\u003eOverall Height: Approx. 320 mm\u003cbr\u003eOverall Width: Approx. 203 mm\u003cbr\u003eAirframe Weight: Approx. 2.68 kg (Without Battery)\u003cbr\u003eMain Shaft Diameter: 12 mm\u003cbr\u003eFeathering Shaft Diameter: 8 mm\u003cbr\u003eTail Shaft Diameter: 6 mm\u003cbr\u003eTail Spindle Diameter: 4 mm\u003cbr\u003eMain Gear: 107T\u003cbr\u003eFront Tail Pulley: 75T\u003cbr\u003eTail Pulley: 16T\u003cbr\u003eTail Drive: Belt Drive\u003cbr\u003eTail Belt Width: 6 mm\u003cbr\u003eMain Gear Ratio with 12T Motor Pinion: 8.917:1\u003cbr\u003eMain Gear Ratio with 13T Motor Pinion: 8.231:1\u003cbr\u003eTail Gear Ratio: 4.6875:1\u003cbr\u003eBattery Compartment: 245 × 52 × 60 mm\u003cbr\u003eRecommended Motor: 4025 1100KV Brushless Motor\u003cbr\u003eRecommended ESC: 150A 6S Brushless ESC\u003cbr\u003eRecommended Battery: 6S 5000–5500mAh LiPo\u003cbr\u003eCyclic Servos: Full-Size Servos\u003cbr\u003eTail Servo: Full-Size Servo\u003cbr\u003eFlight Controller: Flybarless System\u003cbr\u003eReceiver: Compatible RC Receiver\u003cbr\u003eMain Blades: 560 mm, Not Included in No-Blade Version\u003cbr\u003eTail Blades: 95 mm, Not Included in No-Blade Version\u003cbr\u003eFrame Material: CNC-Machined 7075 Aluminum\u003cbr\u003eHardware: High-Strength 12.9-Grade Hardware\u003cbr\u003eDrivetrain Bearings: Precision Bearings\u003cbr\u003eSwashplate: Oversized Swashplate\u003cbr\u003eRotor Head: Reinforced Rotor Head\u003cbr\u003eBattery Installation: Slide-In Battery Tray\u003cbr\u003eAssembly: Unassembled Kit\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eGOOSKY RS5 Ultra\u003c\/strong\u003e is a high-performance electric RC helicopter designed for pilots who want a rigid, precise and responsive 550\/560-class machine for 3D flying.\u003c\/p\u003e\n\u003cp\u003eBuilt as an evolution of the RS5 platform, the \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eGOOSKY RS5 Ultra\u003c\/strong\u003e combines a reinforced airframe with CNC-machined 7075 aluminum components, a large swashplate, oversized drivetrain components and a belt-driven tail. The result is a compact mid-size helicopter with the mechanical layout and control authority expected from a serious 3D machine.\u003c\/p\u003e\n\u003cp\u003eThis version is supplied as an unassembled helicopter kit without main or tail blades, allowing experienced pilots to select their preferred motor, ESC, servos, flight controller, radio system and rotor blades.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBUILT FOR 3D FLYING：\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eGOOSKY RS5 Ultra\u003c\/strong\u003e is designed around a 560mm main blade and a 550\/560-class airframe.\u003c\/p\u003e\n\u003cp\u003eIts rigid frame and reinforced rotor system are intended to maintain accurate control during fast cyclic inputs and aggressive 3D maneuvers. The oversized swashplate provides a direct and precise feel at the controls, while the larger drivetrain components are designed to handle the demands of a high-power electric setup.\u003c\/p\u003e\n\u003cp\u003eFor pilots who enjoy aerobatics, inverted flight, fast cyclic maneuvers and precision 3D flying, the RS5 Ultra provides a serious platform without moving into the much larger 700-class helicopter category.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCNC 7075 ALUMINUM CONSTRUCTION: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eGOOSKY RS5 Ultra\u003c\/strong\u003e uses CNC-machined 7075 aluminum components in key mechanical areas.\u003c\/p\u003e\n\u003cp\u003e7075 aluminum provides a high strength-to-weight ratio and is commonly used where rigidity and precise machining are important. The helicopter also uses high-strength 12.9-grade hardware and precision bearings throughout the drivetrain.\u003c\/p\u003e\n\u003cp\u003eThe reinforced structure helps keep the rotor system and drivetrain aligned under load, which is particularly important when flying at higher headspeeds or performing aggressive maneuvers.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eREINFORCED MAIN ROTOR SYSTEM: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eGOOSKY RS5 Ultra\u003c\/strong\u003e uses a 12mm main shaft and an 8mm feathering shaft.\u003c\/p\u003e\n\u003cp\u003eThe rotor head and swashplate are designed around the larger 560mm blade platform, giving the helicopter a strong mechanical foundation for fast cyclic response and precise control.\u003c\/p\u003e\n\u003cp\u003eThe one-piece 6mm tail shaft adds rigidity to the tail assembly while reducing the number of separate components in the tail drive.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBELT-DRIVEN TAIL: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe tail rotor is driven through a 6mm wide belt.\u003c\/p\u003e\n\u003cp\u003eA belt-driven tail keeps the transmission layout simple and provides an efficient way to transfer power to the tail rotor. The tail system uses a 75T front pulley and 16T tail pulley, with a published tail ratio of 4.6875:1.\u003c\/p\u003e\n\u003cp\u003eThe tail rotor diameter is approximately 259mm when paired with the specified 95mm tail blades.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLARGE 550\/560-CLASS POWER PLATFORM: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGOOSKY\u003c\/strong\u003e recommends a 4025 1100KV brushless motor and a 150A 6S ESC for the \u003cstrong\u003eRS5 Ultra\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp\u003eThe recommended battery is a 6S 5000–5500mAh LiPo pack. The battery tray provides approximately 245 × 52 × 60mm of usable space.\u003c\/p\u003e\n\u003cp\u003eBecause this is a helicopter kit, the electronics are not pre-installed. Pilots can select the motor, ESC, servos, flybarless controller, receiver and transmitter according to their preferred setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSERVO COMPATIBILITY: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eGOOSKY RS5 Ultra\u003c\/strong\u003e is designed for full-size cyclic and rudder servos.\u003c\/p\u003e\n\u003cp\u003eMini-size servos are not compatible with the recommended \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eGOOSKY RS5 Ultra\u003c\/strong\u003e configuration. This is important when selecting electronics before starting the build.\u003c\/p\u003e\n\u003cp\u003eThe larger servo setup is intended to provide the torque and response required for a high-performance 550\/560-class 3D helicopter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQUICK-ACCESS BATTERY LAYOUT: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe battery tray is positioned beneath the main frame and provides approximately 245 × 52 × 60mm of space.\u003c\/p\u003e\n\u003cp\u003eThe slide-in battery arrangement makes battery installation and removal straightforward while keeping the pack close to the center of the helicopter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDESIGNED FOR EXPERIENCED RC PILOTS: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eRS5 Ultra\u003c\/strong\u003e is not an RTF helicopter. It is a build kit intended for pilots who are comfortable selecting and installing their own electronics and setting up a flybarless helicopter.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIt is suited to:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e- 3D RC helicopter pilots\u003cbr\u003e- Experienced RC hobbyists\u003cbr\u003e- Pilots upgrading from smaller helicopters\u003cbr\u003e\u003cmeta charset=\"utf-8\"\u003e- Scale-independent performance builds\u003cbr\u003e- High-response aerobatic flying\u003cbr\u003e- Custom 6S helicopter setups\u003cbr\u003e- Pilots who prefer to choose their own electronics\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKIT CONFIGURATION: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis version includes the \u003cmeta charset=\"utf-8\"\u003e\u003cstrong\u003eGOOSKY RS5 Ultra\u003c\/strong\u003e mechanical helicopter kit.\u003cbr\u003eMain and tail rotor blades are not included.\u003cbr\u003eElectronics are also not included and must be purchased separately.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eRecommended electronics:\u003c\/strong\u003e\u003cbr\u003eMotor: 4025 1100KV Brushless Motor\u003cbr\u003eESC: 150A 6S Brushless ESC\u003cbr\u003eCyclic Servos: Full-Size Servos\u003cbr\u003eTail Servo: Full-Size Servo\u003cbr\u003eFlight Controller: Flybarless System\u003cbr\u003eReceiver: Compatible Receiver\u003cbr\u003eBattery: 6S 5000–5500mAh LiPo\u003cbr\u003eMain Blades: 560mm\u003cbr\u003eTail Blades: 95mm\u003c\/p\u003e\n\u003cp\u003ePlease confirm the compatibility of all electronics and rotor blades before assembly.\u003c\/p\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/01_71dc577e-559a-4583-ae84-42515f82ddd3.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/02_fd47cbe5-644f-47fa-a19c-9c82a65a7bb7.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/04_3e10fca4-d755-437b-9417-f28595fb44db.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/04_3e10fca4-d755-437b-9417-f28595fb44db.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/05_d918d49a-9834-45ef-b19f-ecccbc4ab54a.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/06_681ed583-4d4a-4d03-bba3-262b8b10f4d5.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/07_e45c4a5e-0129-4ba6-9f14-c59f703d3932.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/08_7aee44f6-1865-410e-a9f3-a2b3e205bfae.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/09_a425e9cf-8f74-4e30-847d-b18c4d56b48e.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/10_a476c7a3-f1d0-41cd-857e-cbc7179e2306.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/11_a7ab401d-8f84-478c-ab97-65669cc2c452.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/12_b28dfe24-2be6-4cb9-b2c8-f8e2713540ef.webp?v=1789105854\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/13_ed02db04-6c7b-4829-a96d-ab62c450cc03.webp?v=1789105853\" alt=\"GOOSKY Legend RS5 Ultra 560 Class Electric RC Helicopter Kit\" style=\"float: none;\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/14_51d55a24-99a8-4152-9f66-64d22cd521ee.webp?v=1789105853\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/15_fc7cbdd3-6b0f-43d7-aee6-a7eebceb5e42.webp?v=1789105853\" alt=\"\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0444\/9016\/2342\/files\/16_605173e2-fbf9-4f32-b281-0f79e63f3f3b.webp?v=1789105853\" alt=\"\"\u003e\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv id=\"videoPopupMenu\" style=\"display: none;\"\u003e\u003c\/div\u003e","brand":"GOOSKY","offers":[{"title":"Glacier Blue \/ Without Blades","offer_id":49837585137892,"sku":"7898998-Glacier Blue Without Blades","price":692.79,"currency_code":"USD","in_stock":true},{"title":"Glacier Blue \/ With Azure Blades","offer_id":49837585170660,"sku":"77855589-Glacier Blue With Azure Blades","price":766.29,"currency_code":"USD","in_stock":true},{"title":"Danxia Orange \/ Without 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