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Piper PA-44 Seminole
par Efis Sam 29 Déc 2012, 09:24
Piper PA-44 Seminole, bimoteur de 1978 vu sur Wikipedia.en
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The Piper PA-44 Seminole is an American twin-engined light aircraft manufactured by Piper Aircraft.
The PA-44 is a development of the Piper Cherokee single-engine aircraft and is primarily used for multi-engine flight training.
The Seminole was built in 1979-82, in 1989-90, and again since 1995.
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The Piper PA-44 Seminole is an American twin-engined light aircraft manufactured by Piper Aircraft.
The PA-44 is a development of the Piper Cherokee single-engine aircraft and is primarily used for multi-engine flight training.
The Seminole was built in 1979-82, in 1989-90, and again since 1995.
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Re: Piper PA-44 Seminole
par Efis Sam 29 Déc 2012, 09:27
Design and development
The first production Seminoles are equipped with two 180 hp (135 kW) Lycoming O-360-E1A6D engines.
The right hand engine is a Lycoming LO-360-E1A6D variant, which turns in the opposite direction to the left hand engine.
This feature eliminates the critical engine and makes the aircraft more controllable in the event an engine needs to be shut down or fails.
The Seminole was first certified on March 10, 1978 and introduced as a 1979 model year in late 1978. Gross weight is 3800 lbs (1723 kg).
Later production Seminoles were built with Lycoming O-360-A1H6 engines.
The first production Seminoles are equipped with two 180 hp (135 kW) Lycoming O-360-E1A6D engines.
The right hand engine is a Lycoming LO-360-E1A6D variant, which turns in the opposite direction to the left hand engine.
This feature eliminates the critical engine and makes the aircraft more controllable in the event an engine needs to be shut down or fails.
The Seminole was first certified on March 10, 1978 and introduced as a 1979 model year in late 1978. Gross weight is 3800 lbs (1723 kg).
Later production Seminoles were built with Lycoming O-360-A1H6 engines.
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Re: Piper PA-44 Seminole
par Efis Sam 29 Déc 2012, 09:29
The PA-44-180T Turbo Seminole version was certified on November 29, 1979 and built between 1981 and 1982.
It features two turbocharged 180 hp (135 kW) Lycoming TO-360-E1A6D engines, which offer a significant improvement in performance at high density altitude.
The Turbo Seminole had its take-off gross weight raised to 3925 lb (1780 kg), while the landing weight remained at 3800 lbs (1723 kg).
The PA-44 features a high T-tail similar to the T-tailed Arrow IV. The Seminole resembles the competitive Beechcraft Duchess.
It features two turbocharged 180 hp (135 kW) Lycoming TO-360-E1A6D engines, which offer a significant improvement in performance at high density altitude.
The Turbo Seminole had its take-off gross weight raised to 3925 lb (1780 kg), while the landing weight remained at 3800 lbs (1723 kg).
The PA-44 features a high T-tail similar to the T-tailed Arrow IV. The Seminole resembles the competitive Beechcraft Duchess.
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Re: Piper PA-44 Seminole
par Efis Sam 29 Déc 2012, 09:31
Variants
PA-44-180 Seminole
Normally aspirated version powered by two Lycoming O-360-E1A6D or two O-360-A1H6 engines.
PA-44-180T Turbo Seminole
Turbocharged version powered by two Lycoming TO-360-E1A6D engines.
PA-44-180 Seminole
Normally aspirated version powered by two Lycoming O-360-E1A6D or two O-360-A1H6 engines.
PA-44-180T Turbo Seminole
Turbocharged version powered by two Lycoming TO-360-E1A6D engines.
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Re: Piper PA-44 Seminole
par Efis Sam 29 Déc 2012, 09:34
Specifications (PA-44-180 Seminole)
General characteristics
Crew: 1 pilot
Capacity: 3 passengers
Length: 27 ft 7.2 in (8.41 m)
Wingspan: 38 ft 8 in (11.77 m)
Height: 8 ft 6 in (2.59 m)
Wing area: 184 ft2 (17.1 m2)
Empty weight: 2,360 lb (1,070 kg)
Max. takeoff weight: 3,800 lb (1,723 kg)
Powerplant: × 1 Lycoming O-360-A1H6 and 1 Lycoming LO-360-A1H6 air-cooled, direct-drive, horizontally opposed 4-cylinder engine, 180 hp (135 kW) at Sea Level each
Propellers: Hartzell HC-C2Y(K,R)-2 two-bladed, constant speed, fully feathering, with pitch controlled by oil/nitrogen pressure propeller, 1 per engine
Maximum Ramp Weight: 3 816 lb (1,731 kg)
Fuel: 2 main nacelle tanks, each of 55 U.S. gallon capacity (110 U.S. Gal. total), 2 U.S. gallons unusable.
General characteristics
Crew: 1 pilot
Capacity: 3 passengers
Length: 27 ft 7.2 in (8.41 m)
Wingspan: 38 ft 8 in (11.77 m)
Height: 8 ft 6 in (2.59 m)
Wing area: 184 ft2 (17.1 m2)
Empty weight: 2,360 lb (1,070 kg)
Max. takeoff weight: 3,800 lb (1,723 kg)
Powerplant: × 1 Lycoming O-360-A1H6 and 1 Lycoming LO-360-A1H6 air-cooled, direct-drive, horizontally opposed 4-cylinder engine, 180 hp (135 kW) at Sea Level each
Propellers: Hartzell HC-C2Y(K,R)-2 two-bladed, constant speed, fully feathering, with pitch controlled by oil/nitrogen pressure propeller, 1 per engine
Maximum Ramp Weight: 3 816 lb (1,731 kg)
Fuel: 2 main nacelle tanks, each of 55 U.S. gallon capacity (110 U.S. Gal. total), 2 U.S. gallons unusable.
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Re: Piper PA-44 Seminole
par Efis Sam 29 Déc 2012, 09:37
Performance
Maximum speed: 202 kt
Cruise speed: 155 kt
Range: 1,000 miles (1,630 km)
Service ceiling: 17,100 ft (5,213 m)
Rate of climb: 1,200 ft/min (366 m/min)
Wing loading: 21.1 lb/ft2 (100.8 kg/m2)
Power/mass: 10.55 lb/hp (0.16 kW/kg)
Single Engine Service ceiling 3,800 ft
Maximum speed: 202 kt
Cruise speed: 155 kt
Range: 1,000 miles (1,630 km)
Service ceiling: 17,100 ft (5,213 m)
Rate of climb: 1,200 ft/min (366 m/min)
Wing loading: 21.1 lb/ft2 (100.8 kg/m2)
Power/mass: 10.55 lb/hp (0.16 kW/kg)
Single Engine Service ceiling 3,800 ft
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