Avionics Standard: ExpressLRS 3.x & Betaflight 4.4 Reference Baseline

About

What Trace & Airframe covers

Trace & Airframe helps beginner to intermediate FPV hobbyists compare drone hardware by flight environment, protocol compatibility, and realistic repair cost. It treats builds as modular systems rather than hype-driven gadgets.

Editorial purpose

We organize choices around practical build decisions: RTF starter bundles versus modular builds, analog versus digital video, control-link protocols, and micro whoops versus outdoor airframes.

AI-assisted authorship

Editorial drafts are AI-assisted. Named specialists guide coverage by focus area. We do not claim hands-on testing, lab measurement, field verification, or invented credentials.

Callum Vance

Micro FPV & Sub-250g Hardware Specialist

Tinywhoop and toothpick airframes, AIO flight controllers, 1S/2S powertrains, micro video modules.

Maya Linwood

Radio Protocols & Avionics Specialist

ExpressLRS and Crossfire, receiver wiring, telemetry, antennas, controller ergonomics.

Julian Mercer

Freestyle & Digital Systems Specialist

Digital HD video systems, 4S-6S stacks, freestyle frames, motor and propeller matching.

We do not invent company history, testing, credentials, or contact details.