All guides
51 in-depth, vendor-neutral engineering guides on designing, building, certifying and operating UAVs — written for drone startups and integration teams.
Airframe & Design
3D Printing Drone Parts: Which Filament for Which Part
Which filament to use for 3D printed drone parts: PETG, nylon, TPU and carbon-fibre blends compared, print settings that survive flight, and what never to print.
Airframe & DesignDrone Frame Materials: Carbon Fibre, Aluminium, Plastics and When to 3D-Print
How to choose UAV airframe materials — carbon fibre, aluminium, engineering plastics and 3D printing — with stiffness, weight, cost and manufacturing trade-offs.
Airframe & DesignDrone Propeller Selection: Diameter, Pitch, Tip Speed and Noise
How to choose UAV propellers: diameter vs pitch trade-offs, disk loading, tip speed limits, noise reduction and matching props to motors — with practical numbers.
Airframe & DesignFPV Drones Explained: Building and Flying First-Person View
What FPV drones are and how they differ from camera drones: goggles, analog vs digital video, the parts of an FPV build, flight modes, and how to start safely.
Airframe & DesignHow Much Weight Can a Drone Carry? Working Out Payload Capacity
How to calculate drone payload capacity from motor thrust: the 2:1 rule, a worked example, why payload trades against flight time, and typical capacities by class.
Airframe & DesignHow to Build a Drone from Scratch: The Complete Beginner's Roadmap
How to build a drone from scratch: the parts you need, how they fit together, the build order, and the sizing decisions that make or break a first quadcopter.
Airframe & DesignMultirotor vs Fixed-Wing vs Hybrid VTOL: Choosing Your UAV Platform
A decision framework for drone startups choosing between multirotor, fixed-wing and hybrid VTOL platforms — with endurance, range, cost and complexity trade-offs.
Airframe & DesignThe UAV Mass Budget: How to Manage Weight Before It Manages You
How to build and defend a drone mass budget: typical weight fractions for multirotors and VTOLs, payload fraction benchmarks, growth margins and the 25 kg cliff.
Propulsion & Power
Beyond Batteries: Hydrogen Fuel Cells and Hybrid Power for UAVs
Hydrogen fuel cells, gasoline hybrids and tethered power for long-endurance UAVs — real energy densities, system weights, logistics and when batteries still win.
Propulsion & PowerBrushless Motor Sizing for Drones: KV, Torque and Thrust-to-Weight
How to size brushless motors for a UAV: understanding KV, stator dimensions, thrust-to-weight targets, hover throttle and reading manufacturer thrust tables.
Propulsion & PowerDrone Batteries: LiPo vs Li-ion, C-Ratings and Real Energy Density
A practical UAV battery guide: LiPo vs Li-ion chemistry choice, honest C-ratings, energy density numbers, pack configuration, smart batteries and lifecycle costs.
Propulsion & PowerDrone Endurance Calculation: The Math Behind Flight Time
Calculate UAV flight time from first principles: hover power, disk loading, the battery mass spiral, optimal battery fraction and a worked multirotor example.
Propulsion & PowerESC Selection for UAVs: Current Ratings, Protocols and Telemetry
How to choose electronic speed controllers for a professional drone: real current ratings, DShot and CAN protocols, telemetry, desync causes and thermal design.
Propulsion & PowerLiPo Battery Safety: Charging, Storage and Not Burning Your Workshop Down
Practical LiPo safety for drone builders: the voltages that matter, how to charge and store packs, spotting a dying battery, and what to do when one goes wrong.
Avionics & Autonomy
AI Drone Integration: How to Put Artificial Intelligence on a UAV That Ships
AI drone integration explained end to end: edge vs cloud architecture, compute hardware, model pipelines, latency budgets, safety boundaries and EU regulation — with a reference stack diagram.
Avionics & AutonomyAutonomous Drone Navigation: Waypoints, GPS-Denied Flight and Avoidance
How autonomous drones navigate: the localise-plan-control stack, GPS waypoint missions, visual-inertial GPS-denied navigation, obstacle avoidance and where AI fits.
Avionics & AutonomyCompanion Computers for Drones: Onboard Compute for Real Autonomy
Choosing onboard compute for UAV autonomy: Jetson, Raspberry Pi and x86 compared, FC-to-companion architecture, power and thermal budgets, and software patterns.
Avionics & AutonomyComputer Vision for Drones: Detection, Tracking and What Runs Where
How computer vision works on a drone: object detection and tracking, the onboard pipeline, small-object and latency challenges, and where the AI runs safely.
Avionics & AutonomyDrone PID Tuning: Make Your Quadcopter Fly Like It's on Rails
What PID tuning is and how to do it: what P, I and D each do, reading the step response, a safe tuning order, and the filters that let you push the gains higher.
Avionics & AutonomyDrone Swarms in 2026: How Coordinated Fleets Actually Work
What a drone swarm really is: centralised vs decentralised control, the mesh networking and AI behind coordination, real 2026 applications, and the open challenges.
Avionics & AutonomyFlight Controller Hardware: How to Choose an FC for a Professional UAV
Choosing flight controller hardware for a commercial drone: Pixhawk standards, sensor redundancy, vibration isolation, interfaces, and supply-chain considerations.
Avionics & AutonomyPractical AI Drone Integration: A Starter Build That Actually Flies
A simple, practical AI drone integration walkthrough: the minimal parts list, wiring it in an afternoon, running your first onboard detection, and the mistakes to skip.
Avionics & AutonomyPX4 vs ArduPilot: Choosing a Flight Stack for Your Drone Startup
PX4 vs ArduPilot compared for commercial UAV development: licensing (BSD vs GPL), architecture, vehicle support, ecosystems, and how to actually choose.
Avionics & AutonomyRTK Accuracy Explained: Fix, Float and What Centimetre Really Means
What RTK accuracy really means: Fixed vs Float vs autonomous solution states, the numbers for each, what breaks a fix, and why vertical is always worse.
Avionics & AutonomyRTK and GNSS for Drones: Getting to Centimetre-Level Positioning
How drone GNSS positioning works: standard GPS vs RTK vs PPK accuracy, base stations and NTRIP corrections, multi-band receivers, antenna placement and failure modes.
Avionics & AutonomyRTK Base Stations and NTRIP: Getting Corrections to Your Drone
How RTK corrections reach a drone: your own base station vs NTRIP correction networks, how NTRIP works, base positioning, baseline limits and choosing a setup.
Avionics & AutonomyRTK vs GNSS vs PPK: What They Mean and When to Use Each
GNSS, RTK and PPK explained in plain language: how each positions a drone, the accuracy you get, and a simple rule for choosing between real-time and post-processed.
Avionics & AutonomyThe UAV Sensor Suite: IMU, Barometer, Magnetometer, Airspeed and Rangefinders
What each drone sensor contributes to state estimation, how they fail, and how the EKF fuses them — IMU vibration, baro drift, compass interference, airspeed icing.
Communications & Datalinks
BVLOS Datalinks: LTE, 5G, Satcom and Link Architectures Beyond Sight
Designing command-and-control links for BVLOS drone operations: cellular LTE/5G realities at altitude, satcom options, redundant architectures and what regulators expect.
Communications & DatalinksDrone Radio Links: C2, Telemetry and the RF Basics That Keep You Connected
UAV command-and-control and telemetry radio fundamentals: frequency band trade-offs, link budgets, antennas, EU spectrum rules and diagnosing range problems.
Communications & DatalinksDrone Video Transmission: Analog, Digital FPV and IP Links Compared
How to move live video off a UAV: analog FPV, digital FPV systems and IP/COFDM links compared on latency, range, quality and integration for commercial drones.
Payloads & Integration
Camera Payloads for Drones: EO, Thermal, Zoom and Gimbals
Choosing UAV camera payloads: visible (EO) sensors, radiometric thermal imaging, zoom optics, gimbal specs that matter, and integration pitfalls that ruin image data.
Payloads & IntegrationDrone Delivery Mechanisms: Winches, Release Systems and Precision Drop
Engineering cargo delivery from UAVs: winch systems, ground landing, parachute and free drop compared — with CG dynamics, safety interlocks and certification angles.
Payloads & IntegrationDrone LiDAR vs Photogrammetry: Choosing a Mapping Payload
UAV LiDAR and photogrammetry compared for mapping and surveying: accuracy, vegetation penetration, cost, workflows, and how to choose the right payload per job.
Payloads & IntegrationDrone Payload Integration: The Complete Engineering Checklist
How to integrate a payload onto a UAV properly: mechanical mounting and CG, power budgets, data interfaces, RF coexistence, thermal design and verification testing.
Payloads & IntegrationRTK Drone Surveying and Mapping: Getting Survey-Grade Accuracy
How RTK/PPK drones reach survey-grade accuracy: ground control points vs RTK/PPK, checkpoints, flight planning, GSD, and the workflow mistakes that ruin a survey.
Payloads & IntegrationUAV Payload Types: What Drones Carry and How to Choose
The main drone payload types — cameras, thermal, LiDAR, sensors, cargo and comms — with typical weights, uses, and how to choose one for your mission.
Regulations & Compliance
BVLOS Operations in Europe: The Realistic Path to Flying Beyond Sight
How to get BVLOS drone operations approved in Europe: the SORA route, STS-02, technical requirements (C2 link, DAA, containment), timelines and a staged strategy that works.
Regulations & ComplianceDrone Class Marking (C0–C6): What Manufacturers Must Know
EU drone class marks C0 to C6 under Regulation 2019/945: what each class requires, how class marking connects to operating rules, and the conformity process for manufacturers.
Regulations & ComplianceDrone Geofencing, Geo-awareness and Containment Explained
What drone geofencing, geo-awareness and enhanced containment actually mean: the difference between them, how they are configured, and what EU rules require.
Regulations & ComplianceDrone Spraying in Europe: The Rules Are Finally Changing
Why crop spraying by drone is still largely banned in the EU, which countries allow it, and the Omnibus reform that could open it up in 2026-2027.
Regulations & ComplianceEASA Drone Regulations Explained: Open, Specific and Certified Categories
The EU drone framework in plain language: Regulations 2019/947 and 2019/945, the Open, Specific and Certified categories, and how startups plan a path through them.
Regulations & ComplianceHow to Fly a Drone Legally in the EU: Registration and Licences
Flying a drone legally in the EU Open category: registering as an operator, the A1/A2/A3 exams, class marks, sub-250 g rules and when you leave Open.
Regulations & ComplianceSORA Explained: The Drone Risk Assessment That Runs Your Authorisation
How the Specific Operations Risk Assessment works: ground risk class, air risk class, mitigations, SAIL levels and OSOs — and how to run SORA without drowning.
Regulations & ComplianceThe EU AI Act and Drones: What UAS Builders Actually Need to Know
How the EU AI Act applies to drones: the aviation carve-out, high-risk classification, prohibited biometric uses, GPAI, and a practical compliance posture.
Regulations & ComplianceU-space Explained: Europe's Drone Traffic Management, Demystified
What U-space means for drone operators: the EU 2021/664 framework, the four mandatory services, USSPs and the current state of rollout across Europe.
Testing & Operations
Drone Failsafes and Redundancy: Designing Failure Behaviour That Fails Safe
Engineering UAV failsafe behaviour: link-loss and GNSS-loss design, battery failsafes, motor-out survival, geofencing, parachutes and the failure-mode analysis behind them.
Testing & OperationsGNSS Jamming and Spoofing: Keeping Drones Flying When GPS Lies
GNSS jamming and spoofing for drones: how to detect interference, what it does to the estimator, and the resilience ladder up to GPS-denied navigation.
Testing & OperationsHow to Run a UAV Flight Test Program That Produces Evidence, Not Anecdotes
Structuring a drone flight test campaign: test cards, envelope expansion, instrumentation and logging, failure injection, and turning flights into certification-grade evidence.
Business & Strategy
How to Start a Drone Company in Europe: The Founder's Field Guide
Starting a UAV startup in Europe: choosing your slice of the stack, regulatory strategy as a moat, funding landscape including defence, and the mistakes that kill drone companies.
Business & StrategyThe Drone Industry Map: Sectors, Buyers and Where the Money Actually Is
A working map of commercial drone markets for startups: inspection, agriculture, mapping, logistics, security and defence — who buys, what they pay for, and what wins in each.