E-flite UMX Radian BNF Basic w/SAFE and AS3X
by E-flite

Experience the next level of ultra-micro flight with the E‑flite UMX Radian BNF Basic featuring advanced SAFE® Select and Spektrum™ AS3X® technologies. This popular motor glider, celebrated for its traditional design and inherent stability, now offers even easier control and enhanced safety—whether you’re soaring indoors in a gymnasium or out in your backyard. The Radian’s distinctive curved polyhedral wing, combined with an efficient airfoil design, delivers outstanding soaring performance and extended flight times (10–20+ minutes) on a single 1S 150–200mAh LiPo battery.

Engineered with advanced EPS construction for a lightweight yet durable airframe, the Radian comes nearly flight-ready out of the box. Factory-installed components include a coreless motor with gearbox and folding propeller, Spektrum receiver, ESC, and dual servo control units. Real-time battery voltage telemetry (with compatible transmitters) keeps you informed throughout your flight. Whether you’re transitioning from a HobbyZone® Sport Cub S or seeking a reliable everyday sport model, the UMX Radian is the perfect choice for pilots of all skill levels.

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Product Specifications

• Model: E‑flite UMX Radian BNF Basic w/ SAFE and AS3X
• Type: Ultra-micro motor glider
• Key Technologies:
  • Spektrum™ AS3X®: Smooths out wind and turbulence
  • SAFE® Select (optional use): Enhances flight stability and control
  • Real-time Battery Telemetry: Monitors battery voltage on compatible transmitters
• Construction: Advanced EPS (Expanded PolyStrut) for lightweight durability
• Wing Design: Distinctive curved polyhedral with an efficient airfoil for superior soaring
• Power System: Factory-installed coreless motor, gearbox, and folding propeller
• Flight Times: Approximately 10–20+ minutes (with 1S 150–200mAh LiPo battery)
• In The Box:
  • E‑flite UMX Radian BNF Basic
  • Electric motor, gearbox, and folding propeller (installed)
  • Spektrum receiver, ESC, and 2 servo control units (installed)
  • Product manual
• Additional Requirements:
  • Full-range 4+ Channel Spektrum DSMX/DSM2 compatible 2.4GHz transmitter
  • 1S 3.7V 150–200mAh LiPo battery with Ultra Micro Connector
  • Compatible LiPo charger