Questions tagged [unmanned-aerial-vehicle]
An unmanned aerial vehicle (UAV), commonly known as a drone, is an aircraft without a human pilot on board. Its flight is controlled either autonomously by computers in the vehicle or under the remote control of a pilot on the ground or in another vehicle.
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Could the Hellfire missile be used for air defense against cheap drones? [closed]
Considering the ongoing conflict in Ukraine and the situation in the Red Sea, Russian forces are using inexpensive kamikaze drones to overpower Ukrainian air defenses, and Houthi rebels are employing ...
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Engineless Blimp Navigation System
I understand wind direction can vary in a column of air? With only altitude control on a blimp to navigate for long flights, a blimp in theory could navigate without engines. In order to take real ...
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Can we use leaf shutter mechanism as a drone dropping mechansim for payload weight of 3lbs?
I'm considering implementing a drone payload drop mechanism capable of handling payloads weighing up to 3lbs. I'm intrigued by the idea of using a leaf shutter mechanism for this purpose, but I haven'...
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Estimate the drag caused by wind on a free falling body
I'm trying to solve the following problem for my masters thesis: Estimate the drag caused by wind on a free falling body from H altitude. H is in range of 300-1000 meters.
What would be the best way ...
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How I determine numerically the pitch rate of an aircraft?
I have done aerodynamic analysis on a UAV. Is it possible to calculate pitch rate and yaw rate of my UAV depending on design parameters? (I have aerodynamic analysis of the wing, CL, CD, MAC, W, etc.)
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VTOL Propeller Sizing and Executing a transition from VTOL to Forward Flight mission profile
Hi I am an engineering student, currently in the process of designing a compound UAV drone capable of both vertical and forward flight. I've made significant progress, having completed initial gross ...
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Picking a NACA airfoil for a new propeller on a DJI drone?
The idea is to design a fairly simple propeller using Fusion software program that has a CONSTANT airfoil throughout (but that twists or changes in scale as it spans). I want a large coefficient of ...
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What is the feasibility of using drones that can fly at 360kmh as anti aircraft?
What is the feasibility of using drones that can fly at 360kmh as anti aircraft? Linked under is a similar thread. However, with the prevalence of more advanced drones such as linked below wouldn't a ...
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Practically, what should a pilot do to safely transit a UAS Operating NOTAM area when they must go through it?
Practically speaking, what should a pilot of a GA aircraft be doing differently when (if?) they have to fly through an area with a sUAS NOTAM?
I have flown (while in PPL training with a CFI) in a ...
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Could an air-breathing electric propulsion (ABEP) or other form of ion propelled aircraft fly on Mars?
I'm currently in a class for aircraft propulsion and I became interested in Ion propulsion. It seems there hasn't been many developments for a few years as far as viable aircraft utilizing the ...
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Portable VTOL Startup [closed]
I am Alessandro and I am currently developing a new portable electric VTOL that can be carried by car without a trailer and allows a flight time of around 15 min carrying one person.
The expected ...
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Hexacopter Vn diagram/ flight envelope/ operational envelope
I am currently intern at a company. They are making agriculture hexacopter, now there is a confusion that does the hexacopter or multicopter have a V n diagram if yes how to make one what's the ...
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Why are there still fighter pilots in cockpits?
Way back in 2010, Elon Musk said,
The fighter jet era has passed.
And he seems to have a point. Although fully autonomous fighter planes are some way off (see above linked article), why doesn't ...
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Can a tail-sitter drone like the XFY-1 Pogo aircraft have any advantage over a classic quadrocopter
I looked at a few rc models of the xfy-1 pogo plane and wondered why there weren't more drones in this setup, some seemed very agile. I think this concept can be refined. of course, the contra-...
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Which type of wing would be a better option for fixed-wing UAV? Mid or low?
In the context of VTOL hybrid Fixed-wing tiltrotor UAV, for the operation that would require low weight and more maneuverability for agricultural crop surveying, which option would be a good choice, ...
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