HM 33" EPP Aerix F3P AB Ultra Lite

HM 33" EPP Aerix F3P AB Ultra Lite

Developed with precision aerobatic pilot Radek Rája and influenced by experience from the 2025 World Championships, the Aerix F3P AB is an ultra-light indoor model designed for smooth, accurate, and predictable flight.

Its 3 mm EPP construction, carbon-fiber reinforcement, optimized control surfaces, and pull-pull rudder system reduce weight while maintaining the rigidity needed for precise aerobatics. With an optimized lightweight setup, finished weight can approach 100 g.

Features and Specifications

• Development: Designed with Radek Rája and informed by the 2025 World Championships
• Wingspan: 843 mm / 33.2 inches
• Estimated Flying Weight: 100 to 145 g / 3.5 to 5.1 oz, depending on equipment
• Construction: Lightweight printed 3 mm EPP with carbon-fiber reinforcement
• Rudder Control: Lightweight pull-pull linkage system
• Recommended Battery: 2S 350 to 600 mAh LiPo
• Recommended Propeller: 7 to 9 inches, depending on the power system
• Flight Style: F3P, indoor precision, pattern aerobatics, and smooth freestyle
• Flying Environment: Indoor facilities or very calm outdoor conditions
• Pilot Level: Intermediate to Advanced

Required to Complete

This is an airframe kit requiring assembly. The power system, radio equipment, battery, charger, and adhesives are sold separately. No printed manual is included; a downloadable PDF manual is available under Build Resources below.

Matched Power-System Components

• CSP 2203 1800KV brushless motor
• 16A brushless ESC
• One CSP-D10M and two CSP-D6M servos, or three CSP-D6M servos
• GWS 8 x 4.3 slow-fly propeller

The Aerix is designed around a lightweight conventional power system. Higher-output reversible 4D systems are not recommended for its ultra-light, precision-focused airframe.

Additional Required Items

• Compatible 4 to 6-channel transmitter and lightweight receiver
• 2S 350 to 600 mAh LiPo battery
• LiPo-compatible balance charger
• EPP-compatible adhesive and CA glue as specified in the manual

Build Resources and Compatible Parts

• Download the Aerix F3P AB PDF Build Manual
• Shop Compatible 32 to 34-Inch Replacement Parts