Which of the following was a great artist architect and man of science who made the first scientific experiments in the field of aviation?
George Cayley
| Sir George Cayley Bt | |
|---|---|
| Known for | Designed first successful human glider. Discovered the four aerodynamic forces of flight: weight, lift, drag, thrust; and cambered wings, basis for the design of the modern aeroplane. |
| Scientific career | |
| Fields | Aviation, aerodynamics, aeronautics, aeronautical engineering |
Who was the first to make scientific experiments in aviation?
Wilbur and Orville Wright were American inventors and pioneers of aviation. In 1903 the Wright brothers achieved the first powered, sustained and controlled airplane flight; they surpassed their own milestone two years later when they built and flew the first fully practical airplane.
Who is called the father of modern aviation?
the Wright brothers
Which of the following is the most often used fuselage design for high performance aircraft?
monocoque
What are the 3 major axis of an aircraft?
Regardless of the type of aircraft, there are three axes upon which it can move: Left and Right, Forwards and Backwards, Up and Down. In aviation though, their technical names are the lateral axis, longitudinal axis and vertical axis.
Why is it called a fuselage?
The main part of an airplane — the part in which you sit as a passenger — is called the fuselage. The word fuselage comes from the Latin fusus, or “spindle,” which describes the shape of the central tube-shaped part of an airplane.
What is the meaning of wings?
(Entry 1 of 2) 1a : one of the movable feathered or membranous paired appendages by means of which a bird, bat, or insect is able to fly also : such an appendage (as of an ostrich) even though rudimentary or modified so no longer having the power of flight.
What’s a yaw?
yawed; yawing; yaws. Definition of yaw (Entry 2 of 2) intransitive verb. 1a of a ship : to deviate erratically from a course (as when struck by a heavy sea) especially : to move from side to side. b of an airplane, spacecraft, or projectile : to turn by angular motion about the vertical axis.
What does empennage mean?
the whole tail unit
What is the front of a plane called?
The fuselage or body of the airplane, holds all the pieces together. The pilots sit in the cockpit at the front of the fuselage. Passengers and cargo are carried in the rear of the fuselage.
Why do planes need a tail?
A: The tail of an airplane serves several purposes, but the main purpose is to provide stability for the airplane, meaning that if the airplane is tilted off course by a gust of wind, it can return to its original position. The tail includes control surfaces to control the plane.
What is an advantage of T empennage?
Advantages. The tailplane is often out of the disturbed airflow behind the wing and fuselage, giving smoother airflow over the elevators, which reduces drag.
What does a Flaperon do?
Flaperons are control surfaces on the wing of an aircraft that help to stabilize the plane during low-speed flying during take-off and landing. Flaperons combine the functions of flaps and ailerons. Flaps are used to create lift or drag depending on their use, while ailerons keep the plane from rolling over.
What is the main structural component in a stressed skin fuselage?
The substructure, which consists of bulkheads and/or formers of various sizes and stringers, reinforces the stressed skin by taking some of the bending stress from the fuselage. The main section of the fuselage also includes wing attachment points and a firewall.
What is high wing loading?
In aerodynamics, wing loading is the total mass of an aircraft divided by the area of its wing. Consequently, faster aircraft generally have higher wing loadings than slower aircraft. This increased wing loading also increases takeoff and landing distances. A higher wing loading also decreases maneuverability.
What is the formula for wing loading?
The relationship between wing area and body weight is given in kilograms per square metre (or grams per square centimetre). To calculate wing loading, divide the mass of the bird or plane by the total area of the upper surface of its wings: wing loading = body mass (kg)/wing area (m2).
How are wing loading RC planes calculated?
How to Calculate Wing Loading
- Convert the area to square feet. There are 144 (12 x 12) square inches in a square foot. 600 in2 ÷ 144 = 4.17 ft2
- Convert the total empty weight (ready-to-fly with no fuel) to ounces. There are 16 ounces in a pound. 5.5 lbs x 16 = 88 oz.
- Divide the weight by the area:
How does wing size affect lift?
An aerodynamic, curved airfoil will turn a flow. The airfoil shape and wing size will both affect the amount of lift. The ratio of the wing span to the wing area also affects the amount of lift generated by a wing. Motion: To generate lift, we have to move the object through the air.
Which wing generates the most lift?
The slightly swept wing generated the most lift. However, many might think, why do engineers design fighter jets using highly swept wings? This is because the highly swept wings generate the most lift at speeds above the speed of sound which makes sense since they need more power to generate lift.
What is the most effective wing shape?
elliptical wing
What angle of attack produces the greatest lift?
The critical angle of attack is the angle of attack which produces the maximum lift coefficient. This is also called the “stall angle of attack”.
What is a good attack angle?
While there are exceptions, this is my basic formula for players in college or pro ball: If the hitter’s peak exit velocity is under 105 mph, their attack angle should be between 5 and 15 degrees. If their peak exit velocity is above 105 mph, it should be between 10 and 20 degrees.
What is critical AOA?
The critical AOA is an aerodynamic constant for a given airfoil in a given configuration. The velocity of the relative wind does not matter; the airfoil will ALWAYS stall when the critical AOA is reached.
What is the largest aircraft in the world?
Antonov An-225
Does the Antonov 225 still fly?
Antonov says that “Since its maiden flight on December 21, 1988, the AN-225 has delivered heavy and outsize shipments across the globe. It is scheduled to remain in service until at least 2033.”
What is the safest aircraft in the world?
Boeing 747-8
Is Boeing 777 bigger than 747?
Boeing themselves has touted the 777x as the new replacement aircraft for the aging 747….Boeing 777x vs Boeing 747.
| Boeing 777x-9 | Boeing 747-8 | |
|---|---|---|
| Length | 251 ft 9 in (76.7 m) | 250 ft 2 in / 76.3 m |
| Wingspan | 235 ft 5 in (71.8 m), 212 ft 9 in (64.8 m) folded | 224 ft 7 in / 68.4 m |
How old are 777 planes?
The 777 program was launched in October 1990 with an order from United Airlines. In June 1995, United flew its first 777 in revenue service. The Boeing board of directors authorized production of the 777-300 on June 26, 1995, and the first 777-300 was delivered to Cathay Pacific Airways in June 1998.
Why was the 747 discontinued?
Numerous airlines have opted to accelerate the retirement of their 747 fleets due to the pandemic, including major operators of the plane such as British Airways and Qantas. The 747 ushered in a new era of global connectivity and air travel prestige when it was introduced in 1969 with Pan Am.
What is the oldest 747 still flying?
The oldest 747 still flying ordinary punters is owned by Iran’s Mahan Air. It first flew in 1986 and has been on Mahan’s books since 2007. The majority of BA’s active jumbos are far newer. The oldest, G-BNLY, was delivered in 1993; the newest, G-BYGG, in 1999.