Knowledge Base

Compare ESC firmware options for FPV drones: BLHeli_S, AM32, and BLHeli_32. Learn which firmware suits your build, budget, and flying style.

Bi-blade, tri-blade, and quad-blade FPV propellers compared. Which blade count is best for freestyle, racing, long range, and cinewhoop builds.

How to set up ExpressLRS telemetry on your FPV drone. Covers wiring, Betaflight configuration, telemetry ratios, and troubleshooting common problems.

FPV motors overheat from oversized props, worn bearings, or aggressive PID tuning. Learn the common causes and how to diagnose and fix hot motors on...

How to pick the right FPV battery: cell count, capacity, C-rating, connectors, and safety. Covers LiPo vs LiHV, 4S vs 6S, and which brands to...

Learn how to match FPV motors, ESCs, and propellers. Covers motor KV, ESC amp ratings, prop sizes, and build recommendations for whoops to cinelifters.

Is the Radiomaster Pocket ELRS the best budget radio for FPV? Honest review covering gimbals, features, alternatives, and who should buy it.

Complete guide to the DJI O4 Air Unit. Covers O4 Pro vs O4 Lite, setup and wiring, compatible goggles, antenna options, and troubleshooting common issues.

A complete guide to FPV drone parts and components. Learn what each part does, how to choose the right ones, and what you need for...

Why fibre optic drones are used as training targets for counter-UAS testing. Zero RF signature makes them the definitive test for detection systems, plus pilot...

Fibre optic FPV drones use a physical cable instead of radio signals, making their video feed completely immune to jamming. Learn how they work and...

Compare FPV goggle options for 2026 including FatShark, DJI, Walksnail, and HDZero. Find the right pair for your flying style and budget.