Stack Exchange Network

Stack Exchange network consists of 175 Q&A communities including Stack Overflow, the largest, most trusted online community for developers to learn, share their knowledge, and build their careers.

Visit Stack Exchange

Questions tagged [delta-wing]

A wing layout with triangular shape

3
votes
1answer
112 views

For slow-flying ultralights, how would a delta wing compare to a biplane layout of equal wing area?

Context: By "slow-flying" I refer to ultralights that can be classed as "motorfloaters" - similar wing loading to a hang-glider, stall speed below 40km/h, cruise speed not much above. I'm interested ...
2
votes
1answer
189 views

What would be the power requirements and performance of a Scroggs-type delta-wing aircraft with a 250 cm span?

Roy Scroggs, a tailor, patented in 1917, US1250033, and in 1932 US1848578, a Delta Wing plan form machine 'Flying Dart', flight tested with an OX-5 engine, they say ...
0
votes
1answer
210 views

Why is the delta wing naturally stable in pitch?

Any thoughts on why the delta wings are naturally more stable in pitch, so they don't require any tail surface? What's the physics behind this?
0
votes
0answers
100 views

Why do so many supersonic aircraft feature delta wings and elevons? [duplicate]

Commercial and military supersonic aircraft constantly favor the delta configuration if they exceed the sound barrier, and also tend to be tailess or twin tail. What is the reason behind such designs? ...
0
votes
0answers
107 views

Why double delta wing is used over delta wing? [duplicate]

I was thinking about delta wing then I saw the picture of double delta wing and thinking about its significance over delta wing.
1
vote
1answer
253 views

What is a “slender delta” wing?

I am curious about delta wings. I read some articles and found the term "slender delta". Please help me to understand this term.
2
votes
2answers
370 views

Would the Concorde have been better off using a tailed delta wing?

In one of the answers to this question about the Concorde's lack of high-lift devices on its wings, it was pointed out that the Concorde, using a tailless delta wing, wouldn't have been able to use ...
-1
votes
1answer
123 views

What is the flap adjustment angle for delta wing Aircraft for take off?

What is the flap adjustment angle for delta wing aircraft for take off for the Concorde and the SR-71 Blackbird, given that it has no horizontal stabilisers and that it used elevons?
4
votes
2answers
187 views

Does wing sweep affect the direction of lift?

Given both a straight and swept wing (identical otherwise), exposed to the same airflow, would the direction of lift be the same? Please see below a crudely drawn example of my thinking. Additionally,...
5
votes
3answers
639 views

How is the centre of lift and centre of gravity misalignment problem solved in Delta wing aircraft?

Since Delta winged aircraft don't have horizontal stabilizers to produce down force, how is that problem solved ?
1
vote
0answers
82 views

Where are elevators located in aircraft with delta wings? [duplicate]

Where were elevators located in aircraft with delta wings, notably the Concorde and the Blackbird SR-71? If they didn't exist, how did these aircraft perform the nose up maneuver mid-air and at take ...
1
vote
0answers
39 views

What are the effects of angle of attack on turbines in composed delta wings with jets in upper side?

: a layperson doubt. What would happen during take-off and landing of a machine as Boeing X-48, because of the high angle of attack, the steep attitude of the airplane: would this difficult air supply ...
1
vote
2answers
664 views

Why has the rest of the world gone after delta wings while not the USA?

JAS Gripen, Eurofighter, HAL Tejas, Mirages, all are delta winged fighter jets. We don't see any delta-winged fighter jets in the US inventory. Why is that difference?
14
votes
4answers
2k views

Why did the Avro Vulcan use a delta wing?

Why did the Avro Vulcan use a delta wing? The B52, from the same era, used a swept wing, and had a higher maximum speed. In the answer to What are the advantages and disadvantages of a delta wing ...
8
votes
2answers
931 views

Why did the Beechcraft Starship use a delta wing?

From what i've seen delta wings are more appropriate to supersonic designs, and have poor lift/drag ratios at subsonic speeds. The Starship had a cruise speed of 300 kn, so what was the reasoning ...
5
votes
1answer
944 views

Does skin friction drag decrease with velocity?

The wings of subsonic planes have usually a very low surface area and aspect ratio as big as possible. However, in supersonic aircraft, wings with more wetted area (e.g delta wings) are used. Is this ...
5
votes
2answers
1k views

Does tailless means no tail at all?

When I was reading about the HAL Tejas I observed that it was described as a "tailless" plane. However I could see a tail in the picture. After careful reading I am assuming that being tailless means ...
6
votes
2answers
31k views

What are the advantages and disadvantages of a delta wing compared to a swept wing?

What advantage does a delta wing have over a swept wing with high AR for supersonic flight? And what disadvantage does a delta wing have over a swept wing with high AR for transonic flight? The ...
5
votes
1answer
3k views

Why does the F-22's wing give it such great maneuverability?

An F-22's wing is much different than a wing like the one on the F-16. This an F-16 wing design: (Source: www.aviastar.org). This is an F-22 wing: (Source: s3.zetaboards.com) There is a ...