Linked Questions

8
votes
4answers
2k views

Can quadrotors be used for commercial passenger flights? [duplicate]

Recently, I have been conducting research on more efficient means for vertical lift transportation. One direction I was thrown in was the use of a quadrotor system with vector thrust and artificial ...
2
votes
1answer
714 views

Why is a model quadcopter 'better' than a helicopter? Why doesn't this scale up to the full-size versions? [duplicate]

EDIT Soon after I posted this, it was pointed out that a similar question exists. That other question answers most of mine. I shall leave this here as a stub. That way it provides a pointer to ...
0
votes
1answer
878 views

Is quadcopter design scalable? [duplicate]

I've been recently introduced to the world of mini aircraft, specifically, quadcopters - building them, flying them, calibrating them (apparently, it's such an important point that it deserves its own ...
13
votes
2answers
2k views

Is it more efficient to have many or a few rotors?

Wouldn't it be smarter to design VTOL rotorcraft with many smaller rotors than one big rotor? With more rotors you have more redundancy and smaller blade velocity (and perhaps better stabilisation) ...
10
votes
3answers
2k views

What are the physical laws for upscaling an RC model to 1:1?

What are the laws of physics for upscaling an RC model from a smaller to larger scale or even to a full sized 1:1 aircraft? I guess the basic thing may be lift/weight ratio which was nicely described ...
6
votes
3answers
2k views

Is there a benefit to having the motors for a multi-rotor copter on the top vs the bottom of the frame?

There is a new quadcopter being launched on Indiegogo that has the quadcopter motors positioned on the top of the propellers as opposed to being positioned on the bottom. Is there any advantage to ...
6
votes
5answers
223 views

Why are aerial taxis multirotored, instead of a single rotor?

source -- image shows Volocopter's design I find that in the designs of aerial taxis, particularly in Volocopter's design, the design consists of a system of multirotors. What is the main reason for ...
0
votes
5answers
532 views

Could a helicopter fly like a plane this way?

Could a wing be added to a helicopter to allow the entire craft to tip 90 degrees forward allowing it to fly faster like a plane using a fixed wing and leaning into the wing for lift? I understand ...
3
votes
2answers
748 views

Is multi/quadcopter flight control similar to helicopters?

The wikipedia Quadcopter entry provides some details about its flight control: Hovering or altitude adjustement. Pitch or roll adjustment. Yaw adjustement. The following post "Quadcopter flight ...
3
votes
2answers
220 views

Is this scheme for a single-fan electric airship with a rocket-like geometry workable?

I am currently designing a vertical take-off and landing vehicle that uses a Tesla powertrain connected to an electric ducted fan. Please comment on if my thought process is sound on my feasibility ...
-1
votes
1answer
209 views

Why do electric versions of helicopters need four rotors, or: why are they quad copters? [closed]

Why do electric versions of helicopters need four rotors, or: why are they quad copters? Could it be that their motor do not have enough torque? Then again electric motors have much more torque ...