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Evolution of Aircraft

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R ENTERTAINMENT
EVOLUTION OF AIRCRAFT
THE INVENTION OF FIRST
AIRCRAFT
THE FIRST AICRAFT WAS INVENTED BY
THE WRIGHT BROTHERS
ORVILLE AND WILBUR WRIGHT On
December 17, 1903, Wilbur and Orville
Wright made four brief flights at Kitty
Hawk with their first powered aircraft.
The Wright brothers had invented the
first successful airplane.

General characteristics Wright Flyer 1


Crew: 1
Length: 21 ft 1 in (6.43 m)
Wingspan: 40 ft 4 in (12.29 m)
Height: 9 ft 0 in (2.74 m)
Wing area: 510 sq ft (47 m2)
Empty weight: 605 lb (274 kg)
Max takeoff weight: 745 lb (338 kg)
Powerplant: 1 × straight-4 water-cooled piston engine, 4 inches (102 mm) bore by 4 inches (102 mm) stroke.
[3]
 , 12 hp (8.9 kW) 170 lbs (77.11 kg), (2 x Wright "Elliptical" props, 8 ft 6 in (2.59 m), port prop carved to
counter-rotate left, starboard prop carved to rotate to the right)
Performance
Maximum speed: 30 mph (48 km/h, 26 kn)
Service ceiling: 30 ft (9.1 m)
Wing loading: 1.4 lb/sq ft (6.4 kg/m2)
Power/mass: 0.02 hp/lb (15 W/kg)
The second aircraft by wright
brothers is wright flyer 2

The Wright Flyer II was the second


powered aircraft built by 
Wilbur and Orville Wright. During 1904
they used it to make a total of 105
flights, ultimately achieving flights
lasting five minutes and also making
full circles, which was accomplished by
Wilbur for the first time on September
20.
Specifications (Flyer II
General characteristics
Crew: One
Length: 21 ft 1 in (6.43 m)
Wingspan: 40 ft 4 in (12.29 m)
Height: 9 ft 0 in (2.74 m)
Wing area: 510.0 sq ft (47.38 m2)
Gross weight: 925 lb (419.57 kg)
Powerplant: 1 × water-cooled straight-4 piston engine , 15 hp (11.2
kW)
Propellers: Two 2-bladed Wright "Elliptical" props; port prop carved to
counter-rotate to the left, starboard prop carved to rotate to the right
Performance
Maximum speed: 35 mph (56 km/h, 30 kn)
Range: 5.0 mi (8.0 km, 4.3 nmi)
Service ceiling: 20 ft (6.0 m)
Wright flyer 3

The Wright Flyer III was the third


powered aircraft by the 
Wright Brothers, built during the
winter of 1904–05. Orville Wright
 made the first flight with it on June 23,
1905. The Flyer III had an airframe of
spruce construction with a wing 
camber of 1-in-20 as used in 1903,
rather than the less effective 1-in-25
used in 1904. The new machine was
equipped with the engine and other
hardware from the scrapped Flyer II
 and—after major modifications—
achieved much greater performance
than Flyers I and II.
General characteristics
Crew: one pilot
Length: 28 ft 0 in (8.54 m)
Wingspan: 40 ft 4 in (12.29 m)
Height: 8 ft 0 in (2.44 m)
Wing area: 503 sq ft (46.8 m2)
Gross weight: 710 lb (323 kg)
Max takeoff weight: 710 lb (323 kg)
Powerplant: 1 × Wrights' water-cooled, 4-cylinder, inline engine, 20 hp (15 kW)
Propellers: Wrights' elliptical propellers later changed to Wrights' "bent-end" propellers 2 per
engine
Performance
Maximum speed: 35 mph (56 km/h, 30 kn)
Range: 25 mi (40 km, 22 nmi) as of October 1905
Service ceiling: 50 to 100 ft (15 to 30 m)
Wing loading: 1.4 lb/sq ft (7.0 kg/m2)
Power/mass: 0.03 hp/lb (0.05 kW/kg)
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