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Results tagged with propeller
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user 9716
Aircraft propellers are airfoils which convert rotary motion from a piston or turbine engine into thrust suitable for propelling an aircraft.
8
votes
3
answers
4k
views
Do quadcopter propellers break the sound barrier?
I recently bought a quadcopter and noticed every time I fly it there is this weird buzzing noise. I have heard this noise on other quadcopters around the same size as mine(4in by 4in). On an airliner …
- 9,399
5
votes
2
answers
6k
views
What are these circles around the propeller?
(Source: www.airliners.net)
These circles I believe are the wing tip vortex formed by the propeller tips or is it just due to the rotation of the propeller. How does this occur? …
- 9,399
11
votes
3
answers
5k
views
What happened to the blades in this picture?
And will your picture look like this every time you take a picture of a fast moving propeller? …
- 9,399
5
votes
3
answers
2k
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Would a headwind result in a faster propeller rpm?
A few weeks ago I did an experiment with a model aircraft that has a motorized propeller. I turned on the propeller and it turned at a constant speed. … Then I turned on a desk fan and put it in front of the propeller (see the picture below) and I saw an increase in propeller rpm and an increase in noise. …
- 9,399
0
votes
1
answer
2k
views
What is downwash on a wing and how does it form? [duplicate]
This is a subject I have been very confused with lately about thrust coming from downwash on a propeller and helicopter, but to understand how the downwash increases thrust is to know how it forms and … And also how does downwash make thrust on a propeller and helicopter wing? …
- 9,399
-7
votes
1
answer
2k
views
How do the propeller blades accelerate air resulting in thrust to push an aircraft forward? [duplicate]
I do know that the blades on a propeller generate lift to provide a force pushing back on the air based on newton's law the 2nd. … I know that helicopter hover because they push air downwards, but on a propeller the angle of the blades is much different than of a helicopters blades. …
- 9,399
3
votes
2
answers
2k
views
Why does the Pilatus PC-12 go faster than the King Air C90?
The Pilatus PC-12 can travel up to 360mph with its 4 blades on the propeller. …
- 9,399
2
votes
4
answers
3k
views
How is thrust generated by a propeller? [duplicate]
One is that the propeller pushes air back to provide thrust.
Another is the blades generate lift creating a high pressure behind the blade pushing the aircraft forward. … And why does a propeller need to generate lift if it just accelerates air backwards to provide thrust. That question is my main confusion. …
- 9,399
3
votes
3
answers
7k
views
If engine rotation was in reverse would it result in some kind of thrust reverser? [duplicate]
I mean if you rotated the propeller the other way would it result in reverse thrust.I wonder this because the propeller has to rotate in a certain direction to produce thrust, but would putting it in reverse …
- 9,399
7
votes
2
answers
14k
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How do the blades on a propeller generate thrust?
I am having trouble understanding how this type of propeller generates thrust:
It is so much different than a propeller on a Cessna and thrust would be provided differently. …
- 9,399