RCF 20" EPP Step One BABY

Meet the Step One BABY! Designed by Jan Sedláček, this miniature 20-inch EPP trainer brings the easygoing personality of the original Step One into a compact model that can fly almost anywhere.

Instead of traditional control surfaces and servos, the Step One BABY uses two brushed motors and differential thrust for steering. Increasing the speed of one motor turns the aircraft, keeping the electronics simple and the finished model extremely lightweight.

The removable wing makes it easy to pack for trips, while its slow and predictable flight characteristics make it enjoyable for beginners and experienced pilots looking for relaxed indoor or calm-weather flying.

Features and Specifications

• Wingspan: 500mm (19.7")
• Length: 412mm (16.2")
• Flying Weight: Approximately 35–40g
• Construction: Lightweight and durable EPP foam
• Control: Differential thrust using two brushed motors
• Motors: Two 6 × 17mm brushed motors
• Propellers: Two 30–37mm counter-rotating propellers
• Battery: 1S 180–300mAh LiPo
• Transport: Removable wing for compact storage
• Flight Style: Indoor flying and calm outdoor conditions
• Pilot Level: Beginner to Experienced

Required to Complete

This is an unassembled airframe kit. The matched twin-motor power system, receiver, radio system, battery, charger, wiring, and adhesives are sold separately.

Step One BABY Power System Includes

• Two 6 × 17mm brushed motors with 0.8mm shafts
• Two 1A brushed ESCs
• Two 37mm counter-rotating propellers
• Servo-style connection wire

Additional Required Items

• Compatible transmitter and micro receiver with differential-thrust mixing
• 1S 180–300mAh LiPo battery
• 1S LiPo-compatible charger
• Medium CA glue and accelerator

Resources

• View or Download the Build Manual
• JETI Radio Setup Guide
• Betaflight Setup Guide
• Replacement Parts