The UMX Waco is an ultra‑micro biplane modelled after the classic YMF‑5 design. With optional SAFE Select protection, battery voltage telemetry, and compatibility with both 2S and 3S power systems, it delivers a thrilling Golden Age flying experience for intermediate-level pilots.
Features
Scale replica of the timeless YMF‑5 biplane, now in a compact ultra‑micro form
Powerful brushless outrunner motor and ESC compatible with 2S or 3S 280–300 mAh LiPo batteries
Real-time battery voltage telemetry to Spektrum transmitters
AS3X flight stabilisation with optional SAFE Select flight envelope protection
Fully factory‑assembled and ready to bind to your transmitter
Scale details including simulated flying wires and a pilot figure in the cockpit
Highly versatile — capable of indoor and outdoor flights due to ultra‑micro build
What’s in the box
UMX Waco 550 mm biplane aeroplane (installed motor and ESC)
Four Spektrum linear servos (installed)
Spektrum receiver & control unit with integrated ESC (installed)
Product manual
Needed to complete
5+ channel Spektrum transmitter compatible with DSMX or DSM2
2S (7.4 V) or 3S (11.1 V) 280–300 mAh LiPo battery with JST‑RCY connector (or JST‑PH with adapter) (not included)
Compatible LiPo battery charger
Specifications
Wingspan: approx. 550 mm
Length: approx. 418 mm
Weight: approx. 101 g without battery; ~127 g with 3S 300 mAh battery
Material: EPS foam construction
Power system: Brushless outrunner motor (1208‑1900 Kv) with integrated ESC
Servos: 4× linear servos (installed)
Receiver: DSMX‑capable with AS3X stabilisation and optional SAFE Select
Battery (not included): 2S or 3S LiPo, 280–300 mAh
