New answers tagged aircraft-design
5
votes
Why isn't the rudder below the tail?
Ventral rudders that extend below the vertical C of G have a plus, but a minus.
The plus is rudder application imparts a roll toward the slower wing when yawing, similar to dihedral effect, but which ...
- 126k
11
votes
Why isn't the rudder below the tail?
Why isn't the rudder below the tail?
Compromises, as usual in the aerospace world.
From an aerodynamic and flight mechanics point of view the best location for the vertical tailplane would be ...
- 9,623
16
votes
Why isn't the rudder below the tail?
The MQ-1 Predator does have a V-tail ruddervator below the tail.
Does the Predator drone's design make a tail strike more likely on takeoff and landing?
The MQ-1 is already at high risk of a rear ...
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23
votes
Why isn't the rudder below the tail?
It is bad to put things below the tail because they might hit the ground. Even with nothing below the tail sometimes there is still a tail strike.
http://avherald.com/h?article=42b2d053
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3
votes
Accepted
Why isn't the rudder below the tail?
What we are talking about here is the vertical stabilizer, and yes, it can be below the tail, as seen in a common paper airplane.
But the position of the tail is not the only factor in creating a roll ...
1
vote
Are there any sources that contain information on the airfoils of the Boeing 737-500 and 737NG Aircraft?
No, this information is proprietary.
The public information about 737 foils is based on the original -100 model.
Further, it can be assumed that any modern aircraft with sufficient resources behind it ...
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2
votes
How to find the battery mass fraction for electrical VTOL aircraft/drone
I'm a bit late here but... have you seriously calculated the battery mass fraction?
The "weight fractions" method is a quick & dirty method to evaluate how much fuel is burned during ...
- 9,623
2
votes
Why does a helicopter that uses the Coandă effect need a direct jet thuster aswell
The responses to changes in the Coandă effect are too slow to be useful as a precise anti-torque input control operated from the pedals. Remember that the sideways lift is coming from the main rotor ...
- 126k
4
votes
Lateral balance of single aisle planes with odd numbers of seats in each row
In a 1 - 2 seating config, with a full aircraft, the off center weighting of the PAX is not that far off the absolute centerline. Maybe 18". Easily handled by trim settings.
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