Cetara EDF Trainer - TEST PIECE

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Master the fundamentals with nature's own design secrets. The Cetara applies biomimicry through tubercle technology—the same leading-edge bumps that allow humpback whales to perform impossible maneuvers. This 40mm EDF trainer combines forgiving flight characteristics with revolutionary aerodynamics, making it perfect for pilots transitioning to jets or exploring bio-inspired design. The tubercles create vortices that energize airflow, dramatically reducing stall speed while maintaining control authority at high angles of attack. Translation: slower landings, gentler stalls, and a wider flight envelope than conventional trainers. Slot-together assembly gets you flying in an afternoon, while the aerodynamic innovations deliver a flight experience foam jets simply can't match.

KEY FEATURES

• Tubercle leading edge — biomimicry design for enhanced slow-speed handling

• 40mm EDF power — balanced thrust and endurance

• Ultra-low stall speed — land at walking pace with control

• Filament Alignment - Uses filament segments for precise alignment of fuselage sections during assembly

• Magnetic canopy — quick battery access with 8×3mm magnets

• PLA Boom support — reinforcement for rough landings

• CG markers — molded balance points on each wing panel

• Zephyr Manual Viewer – The ultimate build companion for Mac and Windows. Ditch static PDFs for fully interactive 3D guides. Rotate models, identify parts instantly, and follow clear step-by-step assembly instructions to build your aircraft with confidence

SPECIFICATIONS

CETARA TRAINER — 40MM EDF

PARTS & MATERIALS

CETARA TRAINER — 40MM EDF

• Electronics: XFly 40mm 4S EDF

• 30-40A ESC

• 3× 4.3g servos (DSPOWER DS-S002M or Emax ES9052MD)

• 1500mAh 4S LiPo (~176g)

• Servo extensions (2×150mm aileron & 1×300mm elevator)

• Receiver (SBUS for optional gyro)

• Optional HobbyEagle A3 Mini gyro

• Hardware: 6mm x 500mm carbon tube

• 8×3mm magnets (canopy)

• 1.2mm pushrod set

• Velcro for battery

• Filament: LW-PLA (Main airframe)

• PLA+ (Control surfaces)

• TPU 95A (Hinges)

• Assembly Supplies: CA medium glue

• Hot glue

• Masking tape