Table of Contents
Why are jet engines flat on the bottom?
Why is the engine bottom flat? This would prevent the engines from hitting the ground, even if they were larger than previous models. Subsequently, the engines on future 737s were flattened along the bottom. This allowed them to contain a larger fan and turbine without compromising on ground clearance.
Why do some jets have engines on the tail?
Positioning the engines on the tail also made a jet easier to control in the event of an engine failure, as the thrust line of both engines was then closer to the centerline of the airplane. Such a unique design was not without drawbacks. The wing would have to be moved aft to accommodate the heavy tail.
Why are the 737 engines not round?
When the plane debuted, the Boeing 737 had rounded engines. The flattening of the engine’s nacelle provided extra clearance from the ground. Of course, the engine itself is not flat, it is circular because the fan is circular. Only the bottom of the engine nacelle has been flattened.
Why is the engine under the wing of a plane?
An engine below the wing is fairly stable, since it is hanging from above. It naturally wants to keep hanging downwards. Mounting the engine above the wing would be less stable. It naturally wants to tip over. Noise If an engine is under the wing, it helps to block some of the noise from at least the mid cabin.
Is it better to mount an engine below or above the wing?
An engine below the wing is fairly stable, since it is hanging from above. It naturally wants to keep hanging downwards. Mounting the engine above the wing would be less stable. It naturally wants to tip over.
Do executive jets have over-the-wing engines?
One recent executive jet noted for over wing engine placement is the Hondajet. They include a short passage on the advantages: A breakthrough in aeronautics, the Over-The-Wing Engine Mount was engineered and proven by Honda after more than 20 years of extensive research and development.
Why is the fuel tank on the bottom of the wing?
The top of the wing is the most sensitive part aerodynamically. This is why items like fuel tank access panels are placed on the bottom. Having an engine and pylon on top would affect the flow over the top of the wing. Engines falling off the wings tends to be a bad thing.