Questions tagged [t-tail]
A tail configuration where the horizontal stabilizer is mounted on the top of the vertical stabilizer.
9
questions
10
votes
2answers
3k views
Why do big modern airplanes not use a T-tail configuration for the horizontal stabilizer?
I'm wondering why modern widebody aircraft (such as B787/777, A330/350 etc.) don't use horizontal stabilizers with T-tail configuration. What's the difference between placement of this element? There ...
0
votes
2answers
939 views
Would fitting a T-tail on the 737 Max make MCAS unnecessary?
This is pretty far out, so I just pose it as a question for notion or ideas, rather than conclusive answers.
Considering the differences in flight characteristics between the Boeing 737 Max-8 and ...
0
votes
2answers
164 views
What is the aspect ratio of T-tail for common twin turboprops?
I'm trying to figure out typical AR values for a T-tail configuration (at the conseptual design phase). Working with Raymer I found this table:
I can see the typical AR values for the vertical tail ...
7
votes
2answers
1k views
Why do some T-tail aircraft have a protrusion on the top front of the tail? [duplicate]
Aircraft like the Tu-154 and VC-10 have a "point" on the T-tail, while others like the 727 do not. Is this structure a shock body, or otherwise related to the tail's aerodynamics? And why is it only ...
10
votes
4answers
3k views
Why do the C-141 and C-5 have T-tails?
Both the C-141 Starlifter and C-5 Galaxy have T-tails, where the horizontal stabilizers and elevators are mounted on top of the vertical fin rather than on the sides of the aft fuselage. T-tails are ...
1
vote
2answers
3k views
What is the 'end plate' effect?
When talking about T-tail configuration, I don't understand the statement that, "The vertical tail can be shorter due to the end plate effect of the horizontal tail."
What exactly is the endplate ...
20
votes
2answers
4k views
Why do T- tail airplanes have a shorter vertical stabilizer?
Airplanes with a T-tail design have a shorter vertical stabilizer than the conventional design , what is the reason?
4
votes
1answer
1k views
Is the ATR empennage configuration considered a T-tail or a cruciform tail?
How is the ATR 42/72 empennage considered? Is it a T-Tail or a cruciform tail?
From the image the elevators are placed quite high on the tail that they can be considered as a T-Tail but is it so?
...
30
votes
4answers
34k views
How do conventional and T-tails differ?
What design considerations go into the decision between conventional tails and T-tails? Functionally the horizontal stabilizer/stabilator are the same in both cases, providing negative lift, the ...
