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[height=400]

  Όταν ανεβάζουμε φωτογραφίες στις Ανακοινώσεις και Έκτακτα νέα, βάζουμε τη μεγαλύτερη πλευρά 400 (width=400 ή height=400 ). π.χ. [img height=400 (κλείνει η αγκύλη) 

[Megawatt]

C-2A Greyhound

C-2 Greyhound Specifications

Primary Function: Transport
Contractor: Grumann Aerospace  Corp.
Crew: Four and up to 10,000 lb cargo or 26 passengers
Unit Cost: Date deployed: 1987, Unit price approx. $38.96 mln

Powerplant
  Two Allison T-56-A-425 turboprop engines rated at 4,600hp each

Dimensions
Length: 56 feet, 10 in
Wingspan: 80 feet, 7 in; 29 feet, 4 in (folded)
Height: 15 feet, 10.5 in

Weights
Empty: 36,346 lb
Maximum Takeoff: 54,354 lb

Performance
Speed: 345 mph
Ceiling: 30,000 ft
Range: 1,796 mi

Armament
  N/A

Competitors
AN-72 Coaler
 

C-2 Greyhound Achievements

No known major achievements

C-2 Greyhound Photos

[Megawatt]

PAK-FA Sukhoi T-50

PAK-FA Sukhoi T-50 Specifications

Primary Function:  Development of Russia's LFI (logkiy frontovoi istrebitel) lightweight tactical fighter has been dramatically accelerated after the Russian Air Force decided its priorities for the next 10 years. Revealed here exclusively as the I-2000 (Istrebitel {fighter} 2000) project, the aircraft is due to become operational in 2005 as Russia's basic front-line fighter. It is also likely to become the leading export product of the Russian aircraft industry. Available information on the I-2000 indicates that it will be closely comparable to the US Joint Strike Fighter, operating in both the air-to-air and air-to-surface roles.

Engines: AL-41F1 2*15500 kgs.

Weight:
VSTOL 21000 kg
max 32800 kg (runway 160m)/31600 kg
Fuel (int) 7000 /10800 kg

Dimensions 20.6 x 14.4 / 7.82 x 5.84 м
Sq 54.6 /77 sq.m
The aircraft comes from a long line of Mikoyan lightweight fighters, such as the MiG-15 and MiG-21. It is about the same size as the MiG-21 (shorter by 1.3m but wider by 4.5m), but noticeably smaller than its immediate predecessor, the MiG-29. Take-off weight is estimated at around 12 tonnes; maximum take-off weight at about 16 tonnes.

Max speed 2250 km/h
Alt.: 18800 m

Load balance: 0.95
Flight range: 4200-5500/7400 km


Armament: 2x30mm gun

Hardpoints: 8 (conf.), 2*4

Competitors:
X-35 JSF

The programme:

In early 2002 Sukhoi was chosen as prime contractor for the planned Russian fifth-generation fighter is called the PAK FA [ Perspektivnyi Aviatsionnyi Kompleks Frontovoi Aviatsyi - Future Air Complex for Tactical Air Forces]. This intermediate class twin-engined fighter will be larger than a MiG-29 and smaller than a Su-27.

The aircraft will feature a long combat radius, supersonic cruise speed, low radar cross section, supermaneuverability, and the ability to make short takeoffs and landings. In accordance with the technical requirements, the PAK FA will have a normal takeoff weight of 20 tons, which is close to the average normal takeoff weight of the two American airplanes, the F-35 JSF (17.2 tons) and the F-22 (24 tons). The new fighter (a medium version) will have a traditional wing form, though the experience gathered as a result of Berkut's test flights will be taken in consideration when designing the fighter. It is supposed that it will be created using the Stealth technology, and equipped with two AL-41F engines by the Saturn scientific and industrial enterprise, a radar system with an active phased array (to all appearances, it will be produced by the Fazatron-NIIR corporation), and high-precision weapons.

The government commission decided on 26 April 2002 to choose the Sukhoi holding company as the head company to develop and produce the fighter of the fifth generation. The prototype of the PAK FA would take-off in 2006 and that in 2010 the aircraft would be ready for series production. The first deliveries, both for Russian armed forces and for export, would be possible in 2011-12.

The new airplane is being proposed to be brought from the concept design to a prototype series in less than 9 years. Historically, fourth and fifth generation fighters have not been created in less than 15 years. The Russian government has promised to allocate 1.5 billion dollars for the PAK FA through 2010. But the Russian Air Force is receiving less than 200 million dollars a year during this period, and will spend it primarily on other needs.

The prices and sources of funding will determine the destiny of the whole program. To date officials agree that the program will cost $1.5 billion. However, $1.5 billion is the sum needed for creating a new generation of avionics for the fighter (considering the fact that pre-production models of the phased array have already been produced, and will soon be tested). Completion of the AL-41F engine (present readiness is 30 percent) will require, in the opinion of the boss of Rosaviakosmos, 600 - 800 million dollars. Saturn said that launching of production of the AL-41F engine would take $150 million. An improved version of the AL-31F will be used on the aircraft originally (though it is not clear how these heavy motors are reconciled with the concept of a 20-ton fighter). The upgrade of these engines will require expenditures of 1.2-1.5 billion dollars. And finally, designers will have to spend several hundred millions of dollars on creating a new airframe.
According to some reports, India and Russia have agreed to jointly develop this fifth-generation fighter, under a scheduled with entery into service in 2009. This would be the first such joint development venture between the two countries.

[Megawatt]

AV-8B Harrier II

AV-8B Harrier II Specifications

Primary Function: STOVL close-support
Contractor: McDonnell Douglas
Crew: One
Unit Cost: $23,700,000

Powerplant
  one Rolls-Royce F402-RR-408 Pegasus (23,800 lb)

Dimensions
Length: 46.3 feet
Wingspan: 30.3 feet
Height: 11 feet, 7 inches

Weights
Empty: 14,867 lb
Maximum Takeoff: 31,000 lb

Performance
Speed: 1.0 Mach
Ceiling: 50,000+ feet
Combat Radius: 103 mi (90 nm / 167 km)

Armament
  One fuselage-mounted 25 mm gun system
Standard Air-to-Ground (A/G) load: Six Mk 82, 500 pound bombs
Standard Air-to-Air (A/A) load: Four AIM-9L/M Sidewinder missiles
Provisions for carrying up to 9,000 pounds of ordnance on seven stations
 
Service Life
First Flight: November 9, 1978 (YAV-8B)
November 5, 1981 (AV-8B)
End of Service: N/A
Number Built: [340+ total]

Competitors
Yak-141 Freestyle
 

AV-8B Harrier II Achievements

Most forward deployed tactical strike aircraft in combat
Flew 3,380 sorties for a total of 4,112 combat hours while maintaining a mission capable rate of more than 90%

AV-8B Harrier II Features

   The AV-8B was designed with a larger-area carbon-fiber supercritical wing, a completely revised and raised cockpit, and advanced aerodynamic devices which enhanced lift capabilities over the AV-8A. From the 167th airframe on, USMC AV-8Bs were fitted with a FLIR, head-down display, a moving map in color, and an enhanced HUD, all of which made them night-attack capable. The 205th production aircraft, designated the AV-8B Harrier II Plus, is equipped with the Hughes AN/APG-64 radar which gives it the capability to launch AIM-120 AMRAAM missiles and AIM-7 Sparrow AAMs, as well as AGM-84 Harpoon anti-shipping missiles.

AV-8B Harrier II Background

   The Boeing Company, British Aerospace and Rolls-Royce teamed to produce the AV-8B, as an upgrade to the AV-8A. The first production AV-8B aircraft was delivered in November 1983. Deliveries of night-attack Harrier IIs began in September 1989. The U.S. Marine Corps received its first Harrier II Plus aircraft in July 1993, and its first remanufactured Harrier II Plus in January 1996. During the 42 days of combat, 86 Harrier IIs flew 3,380 combat sorties, 4,112 combat hours, and delivered more than six million pounds of ordnance. Throughout Desert Storm, Harrier II squadrons achieved an aircraft readiness rate greater than 90 percent. Harriers are on constant deployment with Marine Expeditionary Units throughout the world.

AV-8B Harrier II Photos

[auroraTM]

Boeing Unveils Bird of Prey Stealth Technology Demonstrator


 ST. LOUIS, Oct. 18, 2002 -- Boeing [NYSE: BA] today unveiled the "Bird of Prey," a technology demonstrator that pioneered breakthrough low-observable technologies and revolutionized aircraft design, development and production. The once highly classified project ran from 1992 through 1999, and was revealed because the technologies and capabilities developed have become industry standards, and it is no longer necessary to conceal the aircraft's existence.

In addition to proving many new stealth concepts, the Bird of Prey program demonstrated innovative rapid prototyping techniques. Developed by the Boeing Phantom Works advanced research-and-development organization, the Bird of Prey was among the first to initiate the use of large, single-piece composite structures; low-cost, disposable tooling; and 3-D virtual reality design and assembly processes to ensure the aircraft was affordable to build as well as high-performing.

Fully funded by Boeing, the Bird of Prey project costs $67 million. A subsonic, single-seat technology demonstrator, the aircraft completed 38 test flights as part of its flight-demonstration program. Its first flight took place in fall 1996. Bird of Prey has a wingspan of approximately 23 feet and a length of 47 feet, and weighs nearly 7,400 pounds. Powered by a Pratt & Whitney JT15D-5C turbofan engine, the Bird of Prey has an operational speed of 260 knots and a maximum operating altitude of 20,000 feet.

"Early investments in technology demonstration projects such as Bird of Prey have positioned Boeing to help shape our industry's transformation," said Jim Albaugh, president and CEO of Boeing Integrated Defense Systems. "With this aircraft, we changed the rules on how to design and build an aircraft, and what we've learned is enabling us to provide our customers with affordable, high-performing products. Projects such as Bird of Prey have provided the catalyst for integrating speed, agility and reduced cost into the processes we employ to introduce new commercial and military systems to market."

Boeing's current development of the X-45A Unmanned Combat Air Vehicle, or UCAV, technology demonstrator draws directly on its Bird of Prey experience. Some aspects of the UCAV's innovative radar-evading design, such as its shape and inlet, were developed from this project. Together, Boeing Phantom Works and Boeing Integrated Defense Systems are developing UCAV for the Defense Advanced Research Projects Agency, or DARPA, and the U.S. Air Force.

"The success of the Bird of Prey is a testament to the shared commitment of Boeing and the Air Force to pioneering innovative methods to drive down costs and improve performance," said George Muellner, senior vice president of Air Force Systems for Boeing Integrated Defense Systems. "This project stressed affordability as much as performance and quality, and is one of many that we are using to define the future of aerospace."

[Megawatt]

REIS-D unmanned tactical aerial reconnaissance

REIS-D Specifications

Primary Function: The REIS-D unmanned tactical aerial reconnaissance system is designed to conduct aerial reconnaissance, update target reconnaissance data, and monitor firing and bombing results at the depth of about 150 km from the forward line of the battle area.

Launch weight (with booster): kg 1,600

Flying range: km 360

Flying speed: km/h 850 ... 940

Altitude range m:
above ground level: 50 to 2,000
above sea level: up to 5,000

Overall dimensions m:
length 8.06
height 1.54
wing span 2.24

Number of programmed altitude changes: 15
Number of target areas 7
Area reconnoitered in one flight km: 2 up to 2,100

Camera TV IR
Reconnaissance altitude, m 100-1,600 300-1,000 200-2,000
Coverage, N 10 6 3.4
Resolution 0.2 m 0.6 m 6 min of arc

The system ensures:
round- the- clock aerial reconnaissance under heavy countermeasures in conditions of possible radioactive, chemical and biological contamination of the air and ground;
localisation/identification of ground objects;
gathering of real-time intelligence information and its recording both by the facilities available onboard and by the ground-based intelligence reception/ interpretation/decoding station;
preparation of reconnaissance photos and reports.

REIS-D photos

[Megawatt]

F/A-18E/F Super Hornet

F/A-18E/F Super Hornet Specifications

Primary Function: Multi-role attack and fighter aircraft
Contractor: McDonnell Douglas
Crew: E model: One; F model: Two
Unit Cost: $57 million

Powerplant
  Two F414-GE-400 turbofan engines rated at 22,000 lb (9,977 kg) static thrust each

Dimensions
Length: 60.3 feet (18.5 meters)
Wingspan: 44.9 feet (13.68 meters)
Height: 16 feet (4.87 meters)

Weights
Empty: N/A
Max. TOW: 66,000 pounds (29,932 kg)

Performance
Speed: Mach 1.8+
Ceiling: 50,000+ feet
Range: Combat: 1,275 nautical miles (2,346 kilometers), clean plus two AIM-9s

Armament
  One M61A1/A2 Vulcan 20mm cannon; External payload: AIM 9 Sidewinder, AIM-9X (projected), AIM 7 Sparrow, AIM-120 AMRAAM, Harpoon, Harm, SLAM, SLAM-ER (projected), Maverick missiles; Joint Stand-Off Weapon (JSOW); Joint Direct Attack Munition (JDAM); Data Link Pod; Paveway Laser Guided Bomb; various general purpose bombs, mines and rockets.
 

F/A-18E/F Super Hornet Achievements

No known major achievements
 

F/A-18E/F Super Hornet Photos

[Megawatt]

F-18 HARV

F-18 HARV Specifications

Primary Function: experimental - High Angle-of-Attack (Alpha) Research Vehicle
Contractor: McDonnell Douglas
Crew: One
Unit Cost: N/A

Powerplant
  Two General Electric F404-GE-400 turbofan engines, each producing 16,000 pounds of thrust in afterburner

Dimensions
Length: 56 ft
Wingspan: 37 ft, 5 in
Height: 10 ft, 6 in -- at canopy

Weights
Empty: N/A
Gross Weight: 31,980 lb -- phase I; 36,099 lb phase II and III

Performance
Speed: limited to 170 mph
Ceiling: N/A
Range: N/A

Armament
  N/A
 

F-18 HARV Achievements

The F-18 HARV demonstrated stabilized flight at angles of attack between 65 and 70 degrees using thrust vectoring vanes
 

F-18 HARV Photos

[Megawatt]

F-15 ACTIVE

F-15 ACTIVE Specifications

Primary Function: experimental - Advanced Control Technology for Integrated Vehicles
Contractor: McDonnell Douglas
Crew: Two
Unit Cost: N/A

Powerplant
  Two higher-thrust version Pratt & Whitney F100-PW-229 engines (with newly developed axisymmetric thrust-vectoring engine exhaust nozzles) rated at 29,000 lbs. of thrust each at full power

Dimensions
Length: 63.7 ft, excluding flight test nose boom
Wingspan: 42.8 ft
Canard span: 25.6 ft
Height: 18.5 ft - F-15

Weights
Empty: 35,000 lb
TOW: 47,000 lb

Performance
Speed: Mach 2.0 (speeds limited to Mach 1.2)
Ceiling: 60,000 feet
Range: N/A

Armament
  N/A
 

F-15 ACTIVE Achievements

The F-15 ACTIVE demonstrated the first supersonic yaw-vectoring flight
The F-15 ACTIVE demonstrated the first pitch and yaw thrust vectoring at speeds up to Mach 2
The F-15 ACTIVE was the first two-seat F-15 built by McDonnell Douglas
 

F-15 ACTIVE Photos

[Megawatt]

C-17 Globemaster III

C-17 Globemaster III Specifications

Primary Function: Long-range heavy transport
Contractor: Boeing [McDonnell Douglas Corp.]
Crew: Three (two pilots and one loadmaster)
Unit Cost: $236.7 million (FY98 constant dollars)

Powerplant
  Four Pratt & Whitney F117-PW- 100 turbofan engines (40,900 pounds each)

Dimensions
Length: 173 feet 11 inches (53.04 meters)
Wingspan: 170 feet 9 inches (to winglet tips) (51.81 meters)
Height: 55 feet 1 inch (16.79 meters)

Weights
Empty: 269,000 lb (122016 kg)
Maximum Takeoff: 585,000 pounds (265,352 kilograms) -- peacetime

Performance
Speed: 500 mph (Mach .77)
Ceiling: 45,000 feet at cruising speed (13,716 meters)
Range: Unlimited with in-flight refueling

Armament
  N/A

C-17 Globemaster III Features

  Reliability and maintainability are two outstanding benefits of the C-17 system. Current operational requirements impose demanding reliability and maintainability. These requirements include an aircraft mission completion success probability rate of 92 percent, only 20 aircraft maintenance man-hours per flying hour, and full and partial mission availability rates of 74.7 and 82.5 percent, respectively. The Boeing warranty assures these figures will be met.

  The C-17 measures 174 feet long (53 meters) with a wingspan of 169 feet, 10 inches (51.75 meters). The aircraft is powered by four, fully reversible, Federal Aviation Administration-certified F117-PW-100 engines (the military designation for the commercial Pratt & Whitney PW2040), currently used on the Boeing 757. Each engine is rated at 40,440 pounds of thrust. The thrust reversers direct the flow of air upward and forward to avoid ingestion of dust and debris. Maximum use has been made of off-the-shelf and commercial equipment, including Air Force-standardized avionics.

  The aircraft is operated by a crew of three (pilot, copilot and loadmaster), reducing manpower requirements, risk exposure and long-term operating costs. Cargo is loaded onto the C-17 through a large aft door that accommodates military vehicles and palletized cargo. The C-17 can carry virtually all of the Army's air-transportable equipment.

  Maximum payload capacity of the C-17 is 170,900 pounds (77,519 kilograms), and its maximum gross takeoff weight is 585,000 pounds (265,352 kilograms). With a payload of 160,000 pounds (72,575 kilograms) and an initial cruise altitude of 28,000 feet (8,534 meters), the C-17 has an unrefueled range of approximately 2,400 nautical miles. Its cruise speed is approximately 450 knots (.74 Mach). The C-17 is designed to airdrop 102 paratroopers and equipment.

  The design of the aircraft allows it to operate through small, austere airfields. The C-17 can take off and land on runways as short as 3,000 feet (914 meters) and only 90 feet wide (27.4 meters). Even on such narrow runways, the C-17 can turn around using a three-point star turn and its backing capability.

C-17 Globemaster III Achievements

During normal testing, C-17s set 22 world records, including payload to altitude time-to-climb and the short takeoff and landing mark

C-17 Globemaster III Photos

[Megawatt]

TU-95/MS Bear

Tu-95 Bear Specifications

Primary Function: Strategic bomber
Contractor: Tupolev Design Bureau
Crew: N/A
Unit Cost: N/A

Powerplant
  Four Kuznetsov NK-12MV turboprops, 14,795 shp each

Dimensions
Length: 162 ft 5 in (49.5 m)
Wingspan: 167 ft 8 in (51.1 m)
Height: 39 ft 9 in (12.12 m)

Weights
Empty: 198,415 lb 
Maximum Takeoff: 414,470 lb 

Performance
Speed: 575 mph (925 km/h)
Ceiling: 39,370 ft (12000 m)
Range: 7,800 miles (12,550 km)

Armament
  One or two AM-23 23mm cannons in tail turret, plus up to 16 cruise missiles and various conventional and nuclear bombs

Competitors
B-52  Stratofortress

Tu-95 Bear Achievements

The Tu-95MS is Russia's primary cruise missile carrier. 

Tu-95 Bear Background

In the beginning of 50-th years in Tupolev's OKB the work on creation strategic bomber with intercontinental distance of flight have begun. In 1952 the first flight of the new plane which has received the label Tu-95 was held.

In 1956 Tu-95 was accepted in service. By a feature of the new machine was the application of a wing and main, for the first time in practice of world aircraft construction for planes of such class, installation of turbofan drives. The new drives NK-12M were created in Kuznetsov OKB. TVD two coaxial screws in the opposite parties were supplied by differential reduction gearboxes, gyratings. The propellant consumption of new drives made only 0.207 kgs (h.p. h).

Resource(safe life) new TVD. Has appeared in 10 times more, than at any other modern drive used on bombers, including foreign. Tu-95 represents jet with four TVD, located in wings. The chassis of a plane(airplane) threebased, with twin bottles. Main racks - biaxial, covering in flight in wings (that is 'famly' by feature of majority of Tupolev's machines), the nose rack - monoaxial, closed on “stream” in a fuselage. From below in the middle of fuselage the doors large place. In the first updatings Tu-95 “air - ground”, one of X-22, suspended under centreplane in half-dive condition, and two rockets KSR-5 on pylons under a wing was equipped by 3 rockets. In variant bomber Tu-95 could bear inside up to 20 t of bombs. In a nose Tu-95 the bar(boom) fueltank is placed nonclosed.

In reply to reequipment by the Americans strategic bombers ?-52 by winged rockets ALCM, in USSR in 1981 the new updating bomber - Tu-95MS is accepted in service. Tu-95MS is intended for a defeat by winged rockets of the important stationary objects in the day and night in any meteorological conditions and in any point of globe. In difference from Tu-95 the upgraded machine has a new wing with a more high-speed structure.

The new stabilizer is installed, now it can automatically, depending on a modification of a centre-of-gravity position connected to development(manufacture) combustible, to change an angle of installation. Onboard avionics is replaced completely. Two onboard COMPUTERS are included in structure of the latter. The onboard means REF are upgraded. The main modifications concern shock arms. In bombs tank the drum-type launcher equipped with 6 with the winged rockets RKV-15B with distance of shooting 2500 kms is installed. The construction Tu-95MS was developed at the Samara airfactory.

Tu-95 "Bear-A" strategic bombers; Tu-95 "Bear B" (maritime strike); Tu-95 "Bear-C" (maritime reconnaissance); Tu-95 "Bear-D" (maritime reconnaissance and missile support); Tu-95 "Bear-E" (maritime reconnaissance); Tu-142 "Bear-F" (anti-submarine warfare); Tu-95 "Bear-G" (maritime reconnaissance and strike); Tu-142 "Bear-H" (cruise-missile carrier with eight missiles); Tu-95 "Bear-J" (communications relay).

The Cubes, Angola, Somalia and Vietnam based Tu-95, apart from USSR, on air bases. It enabled strategic staff of USSR effectively to inspect practically any point of globe. To the beginning of the 90-th years all of Tu-95 from foreign basises were introduced. Tu-126 was intended for detection of the air targets, beginning with average altitudes. Now Tu-95MS is a basis of air strategic forces of Russia.

Tu-95 Bear Photos

[emmanuel]

boeing 737-300:









 

[Turambar]

TU-95/MS Bear

τι σε έκανε να ποστάρεις αυτό το αεροπλάνο?

[sakaflias7]

χθες εβλεπα στο discovery channel ενα ντοκιμαντερ για πολεμικα αεροσκαφη κ το πιο εξελιγμενο της τεχνολογιας στελθ ειναι ενα Raptor 22.τεταρτης γενιας ελεγαν.το δικιμαζαν 20 χρονια!!αν το βρω πουθενα θα το στειλω.

[miss_elec]

Τιποτα σε Αirbus 320 παίζει?
Δεν ξέρω για εσάς, αλλά εγω αισθάνομαι πιό ασφαλης οταν ταξιδεύω με αυτά παρά με τα Βoeing 737.  Το λέει και το όνομα άλλωστε, όταν πέφτουν κανουν μπόινγκ! (βλακ χιούμορ)

[ikoufis]

Οντως το f22 αποτελεί ένα τρομερό αεροσκάφος.Χρησιμοποιεί πρωτοποριακή τεχνολογία(όπως το παντάρ εγκλωβισμού πολλαπλών στόχων)  μέρος της οποίας αξιοποιείται και στο υποδεέστερο εξαγώγιμο προιόν των ΗΠΑ JSF(F-35).Το πρόγραμμα κατασκευής του κόστισε υπερβολικά πολύ για τους Αμερικάνους (28 δις $)με αλλεπάλληλες ακυρώσεις συμβολαίων, καθυστερήσεις, τεχνικά προβλήματα..
Το πρωτότυπο YF 22 πέταξε το 1992,αλλά την ίδια χρονιά συνετρίβη σε εικονικό dogfight με ένα F 23.
Η παραγωγή του ξεκίνησε το 1997 και το πρώτο αεροσκάφος σειράς παραδόθηκε σε μοίρα το 2004.
Παρουσιάστηκαν διάφορα κατασκευστικά προβλήματα σε αυτά τα αεροσκάφη(υπήρξαν και απώλειες αεροσκαφών από μηχανικές κα βλάβες) και άλλαξαν τελικά το σχεδιαμό του.Το νέο F22 A αυτή τη στιγμή δοκιμάζεται στην Αλάσκα και πληροφορίες αναφέρουν για εξαιρετικές επιδόσεις και ότι θα αντικαταστήσει την αιχμή του δόρατος της USAF, το F15..
Κατασκευαστής Lockheed Martin,κάποια τμήματα τα κατασκευάζει η Boeing.
Εκτίμησή μου,πολύ δύσκολα θα το δούμε να πετάει χωρίς αμερικανικά διακριτικά
(Οι πληροφορίες μπορεί να φέρουν λάθη παραλείψεις,ζητώ συγγνώμη αν συμβαίνει..)