Tech & Builds
Drone technology from UASFeed — autonomy, swarming, sensors, counter-jamming, FPV builds, and the engineering underneath uncrewed flight.
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Tech & Builds
Inside the Drone Power Chain: Motors, ESCs, and Propellers Explained
Every multirotor's performance comes down to three linked components — brushless motor, electronic speed controller, and propeller. Understanding how they interact, and where electric propulsion hits its ceiling, is essential for anyone building or specifying UAS.
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Tech & Builds
Multirotor vs. Fixed-Wing vs. Hybrid VTOL: Engineering Tradeoffs for Every Mission
Every drone airframe resolves the same core tension: hover capability costs endurance, endurance costs hover. A physics-first breakdown of how multirotors, fixed-wing platforms, and hybrid VTOLs make that tradeoff — and which missions each class actually wins.
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Tech & Builds
Centimeter Accuracy from Altitude: How Drone Photogrammetry Actually Works
A drone at 100 meters can produce a map accurate to 1.5 centimeters — if the math of overlap, ground control, and software choices all align. Here is what drives that number and where it breaks down.
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Tech & Builds
How RTK and PPK Give Drones Centimeter-Level GPS Accuracy
Standard GPS gets you within a few meters. Drone surveyors need centimeters. RTK and PPK achieve that by exploiting carrier-phase measurements — a technique roughly 100 times more precise than the code-based ranging your phone uses.
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Tech & Builds
UAS Traffic Management: The Decentralized Architecture Replacing ATC Below 400 Feet
The FAA provides no air traffic services below 400 feet, where drone density is set to explode. UAS Traffic Management replaces centralized control with a federated network of software intermediaries — and a decade of NASA research shows why that architecture is the only one that can scale.
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Tech & Builds
How Drone Thermal Cameras Work: Microbolometers, Wavebands, and Physical Limits
Thermal imaging drones detect emitted infrared radiation rather than reflected light, making them useful in darkness, smoke, and fog. This explainer covers the physics of microbolometer sensors, LWIR vs. MWIR tradeoffs, resolution limits, radiometric accuracy, and where the technology falls short.
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Tech & Builds
Who Pulls the Trigger? The AI Targeting and Autonomous Weapons Debate, Explained
From DoD Directive 3000.09's misunderstood three-tier framework to Ukraine's jamming-resistant FPV drones, this explainer maps the legal, ethical, and battlefield fault lines in the global debate over lethal autonomous weapons.
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Tech & Builds
What 'Autonomous Drone' Actually Means: A Field Guide to the Spectrum
The word 'autonomous' covers everything from a DJI's return-to-home button to a 103-drone swarm with no designated leader. Five competing frameworks — NIST ALFUS, LORA, SAE-adapted, DoD's loop taxonomy, and Exyn's aerial scale — each illuminate something different about a genuinely hard engineering problem.
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Tech & Builds
The 30-Minute Wall: Why Drone Endurance Is a Battery Physics Problem
Most commercial multirotors top out at 20–40 minutes per charge — a ceiling set by electrochemistry, not engineering ambition. Here's what actually limits drone endurance and what hydrogen, semi-solid cells, and smarter charging infrastructure are doing about it.
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Tech & Builds
What a Drone Can Do Depends Entirely on What You Hang Under It
The airframe is a delivery vehicle. The payload is the mission. A field guide to EO/IR cameras, LiDAR, SAR, hyperspectral imagers, gas sensors, SIGINT receivers, and the physics of endurance tradeoffs that govern every payload decision.
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Tech & Builds
eVTOL, Drone, UAV, UAS, RPAS: A Precise Guide to Six Terms That Aren't Interchangeable
Six overlapping terms describe aircraft that fly without an on-board human — or sometimes with one. Which label applies determines which regulations govern you, how DoD classifies a platform, and whether a Joby air taxi is legally a drone at all.
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Tech & Builds
Glass Wire: How Fiber-Optic Links Are Defeating Electronic Warfare on Drone Battlefields
Spooled glass fiber thinner than a human hair has rendered million-dollar jamming systems irrelevant on the drone battlefield. Here is how fiber-optic FPV drones work, why their physics make them immune to radio-frequency attack, and what their real limits are.
