Boeing P-12D

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Název:
Name: 		Boeing P-12D Boeing P-12D
Originální název:
Original Name: 		Boeing P-12D
Kategorie:
Category: 		stíhací letoun fighter aeroplane
Výrobce:
Producer:		 DD.02.1931-28.05.1931 Boeing Aircraft Division, United Aircraft & Transport Corp., Seattle, Washington
Období výroby:
Production Period: 		DD.02.1931-28.05.1931
Vyrobeno kusů:
Number of Produced: 		35
První vzlet:
Maiden Flight: 		02.03.1931
Osádka:
Crew: 		1
Základní charakteristika:
Basic Characteristics:		 
Vzlet a přistání:
Take-off and Landing: 		CTOL - konvenční vzlet a přistání CTOL - conventional take-off and landing
Uspořádání křídla:
Arrangement of Wing: 		dvouplošník biplane
Uspořádání letounu:
Aircraft Concept: 		klasické conventional
Podvozek:
Undercarriage:		 pevný fixed
Přistávací zařízení:
Landing Gear:		 kola wheels
Technické údaje:
Technical Data: 		 
Hmotnost prázdného letounu:
Empty Weight: 		887 kg 1956 lb
Vzletová hmotnost:
Take-off Weight: 		? kg ? lb
Maximální vzletová hmotnost:
Maximum Take-off Weight: 		1201 kg 2648 lb
Rozpětí:
Wingspan: 		9.14 m 30ft
Délka:
Length: 		6.12 m 20ft 1in
Výška:
Height: 		2.64 m 8ft 8in
Plocha křídla:
Wing Area: 		21.14 m2 227.5 ft2
Plošné zatížení:
Wing Loading: 		? kg/m2 ? lb/ft2
Pohon:
Propulsion:		 
Kategorie:
Category:		 pístový piston
Počet motorů:
Number of Engines:		 1
Typ:
Type:		 Pratt & Whitney R-1340-9 Wasp o výkonu 391 kW
dvoulistá kovová vrtule		 Pratt & Whitney R-1340-9 Wasp, power 525 hp
two-blade metal propeller
Objem palivových nádrží:
Fuel Tank Capacity: 		189-416 l 50-110 US gal
Výkony:
Performance: 		 
Maximální rychlost:
Maximum Speed: 		286.5 km/h v 2134 m 178 mph in 7000 ft
Cestovní rychlost:
Cruise Speed: 		? km/h v ? m ? mph in ? ft
Rychlost stoupání:
Climb Rate: 		7.2 m/s 1410 ft/min
Čas výstupu na výšku:
Time to Climb to: 		5.8 min do 3048 m 5.8 min to 10000 ft
Operační dostup:
Service Ceiling: 		7742 m 25400 ft
Dolet:
Range: 		764.4 km 475 mi
Maximální dolet:
Maximum Range: 		? km ? mi
Výzbroj:
Armament: 		2x pevný synchronizovaný 7,62mm kulomet Browning nebo
1x 7,62mm a 1x 12,7mm kulomet Browning


5x 11kg bomba		 2x fixed .30 Browning machine gun, or
1x fixed .30 and 1x .50 Browning machine gun


5x 25 lb bomb
Uživatelské státy:
User States:
Poznámka:
Note: 		- -
Zdroje:
Sources: 		Bowers, Peter M. The Boeing P-12E, Profile No.2. Profile Publications, Leatherhead.
Bowers, Peter M. Boeing Aircraft since 1916. London, Putnam 1989. ISBN 0-85177-804-6.
Pelletier, Alain. Boeing - The Complete Story. Haynes Publishing, Yeovil 2010. ISBN 978-1-84425-703-4.
Jones, LLoyd S. U.S. Fighters. Aero Publishers, Inc. Fallbrook 1975.
United States Army and Air Force Fighters 1916-1961, Harleyford Publications, Letchworth 1961.
Fahey, James C. U.S. Army Aircraft 1908-1946. Ships and Aircraft, Falls Church, 1964.
www.nationalmuseum.af.mil
http://www.aerofiles.com/_boe2.html
http://joebaugher.com/usaf_fighters/p12.html

Boeing P-12D - P-12D s novou směrovkou z P-12E, 35. stíhací letka.

P-12D s novou směrovkou z P-12E, 35. stíhací letka.
URL : https://www.valka.cz/Boeing-P-12D-t81286#297877 Version : 0
After the completion of the 96 machines P-12C production switched to a version of the P-12D, which was completed 35 machines from the original order (31-243/277). These machines, completed between 25. February and 28. April 1931, visually from the previous versions did not differ, the Model 227, the sound of his corporate designation, however, used the engine Pratt & Whitney R-1340-17, its ignition has been relocated in front of the engine and the annular cover, the engine lacked the auxiliary legs. Additionally, it was on the P-12D modified and 16 other P-12C, and it 31-152/154, 156, 157, 159/161, 175, 195, 209/212, 233 and 234. As well as P-12B and C, P-12D later during the service were given a new rudder from the version P-12E. P-12D served at 8. fighter group , Langley Field, namely the 34. and 35. fighter squadrons and maybe even at 36. squadron, and later for follow-on training at a flight school at Chanute Field.

P-12D WITH.Well. 31-275 was another of the P-12, which has been tested a new engine, in this case zpřevodovaný Pratt & Whitney GISR-1340E, and also got the tail surfaces of the P-12E. The engine but failed and after the completion of the tests was this machine, bearing the designation XP-12H, rebuilt in June of 1932 back to the standard P-12D..
URL : https://www.valka.cz/Boeing-P-12D-t81286#409873 Version : 0
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