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Transcript of AirBus A380
What's it made off?
-The A380 uses aluminum power cables instead of copper for weight reduction.
-Most of the fuselage is aluminum alloy. About 61%
-Titanium & steel 10%
-Glare 3% (more on this in a sec.)
-Surface protection 2%
- Other miscellaneous 2%
The first flight for the A380 was on April 27, 2005 at Toulouse Blagnac International Airport. The first flight lasted 3 hours and 54 minutes.
As of January 31, 2015: 153 delivered.
It has 317 firm orders at an average of 428 million.
Rolls-Royce Trent 900
This engine was developed in the late 90's specifically for the Airbus A380. After some delays it was flight tested on a A340-300 for flight test certifications in 2004. This relatively new engine is largely based on the Rolls-Royce RB21 but with many major improvements. This engine is the dominant engine that is ordered with the A380.
Engine Alliance GP7000
It is a high-bypass turbofan engine which was first developed for the Boeing 747-500X/-600X project but then canceled. The A380 operated by Emirates is among the only Aircraft to use this engine.
By: Dan & Mike
The A380 was Airbus's response to Boeing's 747. In 1988 a group of Airbus engineers began working on the development of an ultra-high-capacity airliner. It was not until the Farnborough Air Show in 1990 that this mega project would be announced. The A3XX would not receive it initial launch funding of 8.8 billion dollars until December 2000.
Airbus wanted to break the Boeing 747's hold on the airplane market of big long haul, high capacity flights. The Main goal for the project was for the airplane to be more economical, targeting a 15–20% reduction in operating costs vs the 747-400.
How Many Are Out There?
Improved A380-800 incorporates a stronger airframe and a higher max takeoff weight . The wing has 1.5° increase in wing twist. The series of changes was adopted into the current production off all A380-800 in early 2010.
This is a very new aircraft, so the revisions are not as extensive as some older models. There are only 3 variants/revisions.
A380-900 was planned to be a 900 passenger all economy aircraft. It has been postponed due to Airbus production delays on the A380-800 assembly line.
A380F is a planned freighter version of the A380-800 which would make it one of the largest in the world. Again it has been postponed due to the A380-800 delivery delays.
High-strength aluminum (type 7449) reinforced with carbon fiber was used in the wing brackets of the first 120 A380s to reduce weight, but cracks have been discovered. New brackets are made of regular aluminum (7010), increasing the weight by 198 lbs.
-The coast to fix is estimated to be around 629 million dollars U.S. for the 120 Aircraft .
Problems Cost Money
The main purpose of the A380 is to move large amounts of people and/or cargo long distances. Again it was really made for Airbus to tap into some of the market the famous 747 has had in the industry.
-GLARE stands for "Glass Laminate Aluminum Reinforced Epoxy"
-It's made of several very thin layers of metal (usually aluminum) interspersed with layers of glass-fiber, bonded together with an epoxy (matrix).
When it comes to the engines on the 380 there are only two options. Rolls-Royce Trent 900 and the Engine Alliance GP7000 (GP7270 or GP7200). The A380 employs four of whichever engine the operator chooses.
Why GLARE ?
- Better corrosion resistance.
- Better fire resistance.
- Weight savings.
- More impact resistance than conventional aluminum alloys.
Thrust : 81,500 lbf
By-pass Ratio: 8.7:1
Type: two-spool high-bypass turbofan engine
Length: 4.74 m (15.6 ft; 187 in)
Diameter: 3.16 m (10.4 ft; 124 in), fan tip 2.95 m (9.7 ft; 116 in)
Dry weight: 6,712 kg (14,797 lb)
How they Operate
Max Thrust: 77,000–80,000 lbf
Bypass Ratio:8.7:1 - 8.5:1
Length: 5.48 m (216 in)
Diameter: 2.95 m (116 in) LP compressor fan
Dry weight: 6,246 kg (13,770 lb)
Axillary Power Unit
A Pratt and Whitney PW980A is mounted in the tail of this aircraft to provide electrical power and air for starting. The PW980A is a fairly new type certified unit that P&W is planning to start making standard for new larger aircraft.
The aircraft has four main gears and one nose gear. The two middle main gear bogies have six wheels each. The outside main bogies have four wheels each and the nose gear has two. This gives a total of 22 wheels.
-The hydraulic system runs at 5,000 psi thru Titanium lines instead of the more traditional 3,000 psi. Running at a higher pressure reduces the weight and size of pipelines, actuators and related components. The pressure is generated by eight de-clutchable hydraulic pumps.
-Self-contained electrically powered hydraulic power packs serve as backups for the primary systems instead of a secondary hydraulic system. This is for weight reduction and also reduces maintenance.
The hydraulic circuit is replaced by an electrical power circuit and self-contained hydraulic and electrical power supplies. This eliminates the bulky and heavy hydraulic circuits. During certain maneuvers they augment the primary actuators.
How much fuel?
It can carry 81,890 gallons of fuel. Which is 548,663.0 pounds of fuel. That would be 2,047,250 miles in a LeBaron. It would be able to go to the moon and back 4 times with that much fuel.
(back up system)
The movements of flight controls are converted to electronic signals transmitted by wires (hence the fly-by-wire term), and flight control computers determine how to move the actuators at each control surface to provide the ordered response.
- Weight savings.
- Reduction in fuel consumption due to weight.
- Lower maintenance costs for operators.
- Identical cockpit designs and handling characteristics from one aircraft to the next.
- Simplified crew training and conversion.
- Control system monitors pilot commands to ensure the aircraft is kept within a safety margin.
For the rest of us that use the standard measurement system
A380 General Specifications
Max cruising speed: Mach 0.88
Max speed dive: Mach 0.96
Cruising speed: Mach 0.85
Landing speed: 130-135kn
Service ceiling: 43,000ft
Operating weight empty: 610,700lb
Max takeoff: 1,300,700lb
Wing span: 261ft 10in
Takeoff run: 9,680ft
Rolls-Royce Trent 900
Qantas flight 32
Not Easy to Handle !!!
Comparison between four of the largest aircraft:
- Hughes H-4 Hercules (Spruce Goose)
- Antonov An-225 Mriya
- Airbus A380-800
- Boeing 747-8
This A380 was equipped with Trenton 900 engines and experienced an uncontained engine failure. The pilots were able to land the aircraft safely. The problem was traced back to a defective stub pipe. This caused an engine fire which resulted in the release of the Intermediate Pressure Turbine.
13 operators as of December 27, 2014
China Southern Airlines
Thai Airways International
A word from
Glare panels are part of the skin material for a
large part of the A380 fuselage. As a
consequence the Glare part's of the
Airbus A380 fuselage is certified to
need no inspection at all till 20,000
Qantas A380 Engine Failure Footage