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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6
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1answer
177 views

Is it possible to achieve torque equilibrium in order to fly?

I am trying to create a tricopter which will be used for SLAM, but my main problem is that before starting to construct it I am not sure whether or not it will work at all. The problem is that I need ...
3
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2answers
253 views

Could a UAV ever be hacked and piloted? [closed]

I am currently reading a book at the moment, and I got to a point were a UAV was hacked, piloted, released its pay load and crashed, could this ever happen in real life?
0
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2answers
697 views

What knowledge is needed to build a small aircraft?

It is my dream to make a basic flyable small scale aircraft (the size of a model aircraft). What is the basic knowledge needed to be able get started in the first place? In particular, I would like ...
7
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4answers
653 views

Non-fueled, bladeless, minimally-noisy aviation engine — Science fiction or real theoretical science?

As a non Aeronautics expert I ask if non-fueled (electric?) vehicles which are minimally-noisy only science fiction or a real theoretical scientific concept aimed for close or very far future ...
5
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1answer
1k views

What constitutes a flight review for the purposes of eligibility for a remote pilot certificate under 14 CFR 107.61(d)(2)?

An applicant for the Remote Pilot Certificate who already holds a pilot's license can forgo the knowledge test required by 14 CFR 107.61(d)(1) if they have a current flight review. The regulation ...
4
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1answer
163 views

Where exactly can I find the FAA's UAS pilot training course (ALC-451)?

I'm trying to get my commercial drone operators certificate. I already have a private pilot certificate, so from the FAA website, all I need to do is complete the "Part 107 small Unmanned Aircraft ...
3
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1answer
548 views

How to maximize your practical lift/weight ratio in a multirotor?

My friend and I are currently working together in a multirotor competition. He's an experienced flyer and I'm more of a numbers guy (though my background is in software engineering, not aviation). ...
5
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1answer
782 views

Which “pilotless aircraft” did the authors of the 1944 Chicago convention have in mind?

The Convention on International Civil Aviation (a.k.a. the "Chicago convention"), includes right from its first version, signed in 1944, an article about "pilotless aircraft". The ...
1
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1answer
200 views

How does the control-board on small drones govern their flight?

I saw this YouTube clip for a light weight drone, under a few ounces, with very impressive maneuverability. They used styrofoam for frame and taped the rotors and battery and the control chip to it. ...
11
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2answers
2k views

How can a sUAS operator contact ATC/identify themselves when contacting ATC?

In a comment, abelenky offered some words of wisdom which I personally agree with regarding sUAS ops near a surface Class C: When in doubt or close, call Tower and state your intentions. They'll ...
5
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2answers
1k views

How to design a propeller for UAV?

I need some advice on designing a propeller for a UAV and choosing the right motor for it. I am doing a project which requires the fix-wing UAV to travel at cruise speed of 20 m/s and weighs a total ...
17
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2answers
1k views

How precisely are airspace borders defined?

I'm studying for the commercial drone certificate. In Tucson, AZ the class C airspace covers about half of the city, but the charts don't list the exact point that it ends. Here's a portion of the VFR ...
7
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3answers
8k views

Can radars detect small drones?

I've just started working with weather radars and such. With weather radars, it is possible to detect bird migrations with a specific algorithm and a lot of information about birds, but it would be a ...
4
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1answer
766 views

Can small RC aircraft utilize a steel sheet monocoque construction?

I have seen small RC aircraft built from just about everything: cardboard, sytrofoam, fiberglass, aluminum, coroplast, etc. Most these designs are at least partial monocoque designs. Is there any ...
2
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2answers
315 views

Is there really anything to be gained by placing the propeller at the top of the vertical stabiliser?

I am currently designing an electrically powered RC plane with one propeller. The wingspan is c. 2.5 m and the length c. 1.6 m. Right now the plan is to put the propeller at the top of the VS where ...
7
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1answer
7k views

What is the best design for a small flying wing with special flight envelope?

I'm designing a small, light and portable flying wing UAV that will launch and land vertically via a Tilt-rotor system. I'm attempting to use the program XflrV5 but am having difficulty understanding ...
2
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0answers
305 views

Can quadcopter-like UAVs ever get significantly quieter? Any candidate technology?

The light weight quadcopter and hexacopter UAVs that can cary say 2kg to 20kg payloads for "delivery" produce enough noise that a steady stream of pizza and book deliveries might not be so welcome in ...
9
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1answer
8k views

What FAA rules govern tethered, outdoor UAV flight?

This question is concerning the possibility of operating an Unmanned Aerial Vehicle (UAV) outdoors—a commercially available quadcopter, for example—but with the distinction of operating the UAV while ...
10
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1answer
929 views

How do large drones communicate with ATC?

For large drones like the Reaper, X-47, and aircraft like that, how do the "pilots" communicate with ATC when they need to?
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2answers
1k views

What does a drone do when it's out of control range?

According to regulations, what should a mini-drone do once it is out of the control range? Would it continue flying even if it receives no signal? What about full size drones?
0
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0answers
103 views

Could jet engines have a grille to prevent bird or drone entry? [duplicate]

A bird, or indeed any object, entering a jet engine is a very undesirable situation and may cause engine failure. There are also fears we're not far away from seeing the first incident of a drone ...
6
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1answer
265 views

How do I get certified to fly under FAA 333?

tl;dr: How do I go from non-airman to commercial UAS pilot under an FAA 333 exemption? I understand that the rules are imminently changing, but waiting for the formal implementation of the NPRM could ...
17
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3answers
2k views

Would a drone strike be more dangerous than a bird strike?

Let's say you have a seagull and a drone of a comparable size. Pretend either one was going to be ingested by large turbo fan engine, like the one found on a 737 (eg., the CFM-56) Which would cause ...
3
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0answers
4k views

Can I spot the drones watching me in the sky with naked eyes? [closed]

To quote John Oliver: "Yemen, home to 26 million Yemeni people, and 27 million American drones." While these numbers may be slightly exaggerated I started to ...
8
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1answer
2k views

Was the unmanned flight and landing of the Buran spacecraft in 1988 exceptional?

The Buran had a very sad fate. But in 1988 it has undertaken its first and last flight, which was unmanned and landed with a precision of three meters in a crosswind of 60 km per hour. It lost only 8 ...
4
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0answers
160 views

How far ahead of the wing should a propeller be located for a UAV? [closed]

This question is asked in context of a fixed wing, Unmanned Aerial Vehicle (UAV), with a wing span of about 5m (16ft). How far ahead of the wing leading edge should the propeller be located? The ...
9
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1answer
733 views

Is there a way to fly an UAV over a roadway?

With an FAA Section 333 Exemption, they will permit you to fly up to 400' above ground level. But they also restrict you to flying at least 500' away from people and vehicles unless you have their ...
5
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3answers
2k views

What are the physical/aerodynamic implications of designing a prop guard for multirotors?

A number of drones these days like the one shown in the picture below have fully protected multi-rotor propeller guard system . These are lightweight, aerodynamic housing that keeps these spinning ...
-5
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2answers
252 views

QF-16 vs Predator [closed]

What are the major differences in between the flying of, say, a drone like the Predator, versus the QF-16? What changes so drastically in the handling of the aircraft for the remote pilot? Are the ...
-1
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1answer
132 views

Just got a quadcopter, and not sure about a piece that came with it [closed]

My apologies if this is the wrong forum, but I have seen hot questions about drones/quad-copters from here in the past. I received a quadcopter recently (X5C Explorers), and it has a piece I can not ...
25
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5answers
4k views

Do I need to register my drone?

Recently the FAA released some new regulations that require drone operators, including hobbyist, to register drones with the FAA. As I am a novice in both aviation and legalese, can someone please ...
19
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2answers
2k views

What is the purpose of these odd “control surfaces” on the BAE Taranis?

I was looking at a video of the BAE Taranis, and noticed these weird control surfaces: There is a matching pair on the underside. They don't seem to move at all throughout the video, even on landing, ...
6
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2answers
251 views

How are operators of small UAS craft supposed to know about flight restrictions?

The FAA is requiring all operators of small unmanned aircraft systems between 0.55 and 55 pounds to register. This is to help ensure that operators of model aircraft and drones act in a responsible ...
0
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3answers
329 views

Means of protection against hunter-killer UAVs [closed]

I would like to know all existing technological means of defending an area against the MQ-9 Reaper or other hunter-killer unmanned aerial vehicles (UAVs) used by the United States in countries like ...
-3
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1answer
500 views

Is there any current knowledge of a 747 being used as a drone for military applications? [closed]

ex. direct action, reconnaissance Current military drones usually carry 4 hellfire missiles. If the military used a 747 drone the payload capacity could increase by a factor of 10.
5
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2answers
2k views

Should people flying UAVs be called “Operators” or “Pilots”?

I'm wondering if there is any formal/official definition* pertaining to the title given to people controlling Unmanned Aerial Vehicles? Are they "more" correctly titled Operators or Pilots? *As set ...
4
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2answers
2k views

In case of a drone strike with an airplane below 400 feet, who is at fault?

If a plane is flying VFR (see and avoid) below 400 ft, and the pilot collides with a drone due to not seeing the drone until it's too late to take evasive action, then would the pilot be at-fault for ...
16
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5answers
4k views

Can a UAV defend itself?

An unmanned aerial vehicle (UAV) was shot down by Turkish aircraft, which made me wonder, whether the Turkish pilots faced any defending moves from the UAV, or once they found it, taking down was a ...
66
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8answers
28k views

Why are military drones shaped so strangely?

Military drones, such as the Predator drone or the Global Hawk, tend to have a weird shape with a whale-like head, and engines concentrated at the back. The wings tend to be of very high aspect ratio, ...
1
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1answer
2k views

Unmanned Drone vs Conventional Manned Fighter in Combat: How realistic? [closed]

How far are we / Is it even viable to think of a scenario where a drone gets employed to counter a conventional manned fighter? I can see several benefits: Free of the G-restrictions of a human ...
4
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1answer
1k views

What is the effect of moving the centre of gravity ahead or behind the aerodynamic centre for HALE UAVs?

I have heard a lot about keeping the centre of gravity (CG) behind the aerodynamic centre (AC)will give better performance than keeping CG ahead of AC (for UAVs require high performance). However, I ...
27
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4answers
18k views

How do drones overcome latency?

The US Military's use of drones has become commonplace, and widely known at this point. Although these vehicles are operated from nearby bases during these attacks, it seems like the latency (time of ...
9
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3answers
1k views

What equipment is used by Boeing to convert the F-16 into an unmanned aircraft (QF-16)?

How exactly does this equipment convert the F-16 into an unmanned aircraft? Is it possible to use this equipment on any other fighter (like the F/A-18 Hornet for example) in order to convert it into ...
3
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2answers
512 views

Is there an “SR-72” under development?

The Extreme Tech website reports that Lockheed Martin’s Skunk Works has confirmed that it is developing the SR-72 spy plane. The successor to the SR-71 Blackbird, which was capable of Mach 3.5, ...
4
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1answer
173 views

What are the regulations on flying UAVs over people on the ground?

We are considering a project related to drones and in my discussions with people I heard that flying UAVs overhead people (crowds or otherwise) is banned. I also heard this is the case for the USA and ...
6
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1answer
424 views

Can an appropriately-fitted UAS (of any size category) be flown in Class B airspace?

If I fitted an Unmanned Aircraft System (UAS) with an operating Mode C transponder and maintained two-way radio contact with ATC, could my UAS be cleared into class B airspace in the USA? (Inspired ...
3
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1answer
618 views

What is the difference between “R/C”, “Drone”, “UAV”?

Are "remote controlled" aircraft and "drones" the same thing? Are they synonyms for "unmanned aerial vehicle"?
10
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1answer
2k views

What legal actions would be taken against a drone pilot if they flew a drone into class B airspace?

Let's say someone has bought one of those quad copter camera UAVs and wasn't completely aware of FAA rules regarding airspace and where they can fly their drone, etc. Then let's say that they flew it ...
4
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3answers
656 views

Is the Falling Leaf maneuver used for UAV recovery?

The Falling Leaf maneuver is a way to lose altitude by descending like a tree leaf. Is this maneuver used in the recovery of UAVs? Source.
4
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1answer
410 views

Is flying a UAV via a VR controller (e.g. Oculus) legal in the US? [duplicate]

I've heard claims that flying a UAV using a Virtual Reality headset (for example, the oculus rift) is illegal per FAA regulations. Is this true? I cannot find any definitive answer either way.