Guides

AUW - All-Up Weight and Why It Matters — AUW is a drone's takeoff weight with the battery and everything else on board. What counts, typical AUW for every FPV class, and why 250 g matters.
How to Set Up a VTX Table in Betaflight — What a Betaflight VTX table is, why your SmartAudio or Tramp transmitter needs one, how to load it from the CLI or a JSON file, and what the band, channel and power columns mean.
The Truth About LiPo C-Ratings — What a C-rating claims, why the label is usually optimistic, and how to actually judge whether a pack can feed your quad.
How to Choose a Battery for Your BNF Quad — A step-by-step method for picking the right pack for any BNF - cell count, capacity window, connector, and the weight trap most beginners fall into.
FC + ESC Stacks Explained: F4 vs F7, 4-in-1, AIO — What a flight controller stack actually is, how to read stack names, F4 vs F7 vs H7, 4-in-1 ESC ratings, mounting patterns and AIO boards.
FPV Glossary: Every Term You'll Meet Buying Parts — Plain-English definitions of the FPV terms that show up on spec sheets and shop pages - AUW, BNF, KV, C-rating, stator, VTX, ELRS and the rest.
Analog vs DJI O4 vs Walksnail vs HDZero — The four FPV video systems compared - latency, image quality, weight, price and ecosystem lock-in, with honest use-case picks.
Motor KV Explained — KV is a brushless motor's unloaded RPM per volt - not kilovolts. What KV means, how to work out RPM from it, and which KV suits which FPV build and battery.
Li-ion vs LiPo for FPV: When Each Chemistry Wins — The real trade-offs between Li-ion and LiPo for FPV - current delivery, energy density, voltage sag - and which flying styles each chemistry fits.
LiPo Care Basics — Charging, storage, discharge limits and disposal - the habits that make packs last and keep your home unburnt.
FPV Motor Sizes Explained — What 2207, 2306 and other stator numbers actually mean, and which size fits which build.
Prop Pitch Basics: How to Read 5x4.3x3 — What propeller size numbers actually mean, how pitch trades top speed for grip, and how to pick between a 5x4.3x3 and a 5x5x3.
How to Read Motor Bench Tables (Thrust, Current, g/W) — A practical walkthrough of manufacturer thrust test tables - what the throttle, current, RPM, thrust and efficiency columns really tell you, and the three numbers worth extracting.
FPV VTX Frequency Bands Beyond 5.8 GHz — What 1.2 GHz, 3.3 GHz, wideband 4.9-6.0 GHz and 6-7 GHz video transmitters are for, what they trade against standard 5.8 GHz, and which models exist in each band.