C138PRO 1/33 Scale Flybarless SingleRotor RC Helicopter RTF A readytofly, scale 1/33 singlerotor RC helicopter that combines stable flight control with accessible stunt capability. Designed for hobby pilots who want a compact, responsive helicopter that supports precise hovering, easy inverted flight, and advanced 3D maneuvers. Key benefits Ready to fly: RTF version gets you airborne quickly without complex setup. Stable hover and lowspeed control: Optical flow positioning provides assisted stabilization for smoother hovering and easier orientation control. Accessible aerobatics: Onetouch inverted flight lets pilots perform inverted flight reliably, lowering the learning curve for advanced maneuvers. Responsive performance: Flybarless design improves agility and control precision for 3D stunt flying and dynamic maneuvers. Full control range: 2.4G 6channel control supports collective, cyclic, tail control, and auxiliary functions for complete flight operation. Features and important attributes Model: C138PRO, 1/33 scale singlerotor RC helicopter. Control system: 2.4Ghz 6channel radio control for stable link and multipilot environments. Flight system: Flybarless rotor head for improved responsiveness and smoother cyclic control. Positioning: Optical flow positioning for assisted stabilization during hover and slow flight. Special functions: Onetouch inverted flight for easy transition into and out of inverted attitudes; 3D stunt capable for advanced aerobatics. Configuration: Singlerotor setup with tail rotor control for realistic helicopter handling. Version: ReadytoFly package for immediate use. How this product solves common problems Reduces setup time and complexity with an RTF version, so you can focus on flying rather than assembly. Improves stability for less experienced pilots through optical flow positioning, reducing the tendency to drift during hover. Makes advanced tricks more approachable with onetouch inverted flight, removing some of the risk and frustration of learning inverted maneuvers. Offers precise control and quicker response compared to flybarequipped models, improving pilot confidence during 3D flight. Typical use scenarios Skill progression: A pilot moving from basic collectivecyclic helicopters to 3D aerobatics can use the optical flow stabilization and onetouch inverted mode to practice advanced maneuvers safely. Indoor and calmweather outdoor flight: The 1/33 scale and assisted positioning make it suited for flying in gyms, halls, or calm outdoor areas where precise hover and orientation matter. Demonstration and practice sessions: Use the RTF C138PRO to rehearse aerobatic sequences or display flight routines without extensive setup time. What to expect Compact, scale 1/33 size for manageable storage and transport. A control package that supports full sixchannel operation and reliable 2.4Ghz communication. A balance of stability and agility thanks to optical flow positioning and flybarless design, with features that help both learning pilots and experienced flyers. This C138PRO RTF singlerotor helicopter is designed to deliver stable flight assistance, responsive control, and accessible 3D capability in a compact scale model.