Curtiss P-3A Hawk

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Název:
Name: 		Curtiss P-3A Hawk Curtiss P-3A Hawk
Originální název:
Original Name: 		Curtiss P-3A Hawk
Kategorie:
Category: 		stíhací letoun fighter aeroplane
Výrobce:
Producer:		 DD.MM.1927-DD.MM.1928 Curtiss Aeroplane & Motor Co., Buffalo, New York
Období výroby:
Production Period: 		DD.MM.1927-DD.MM.1928
Vyrobeno kusů:
Number of Produced: 		6
První vzlet:
Maiden Flight: 		DD.MM.1927
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: 		918 kg 2024 lb
Vzletová hmotnost:
Take-off Weight: 		1238 kg 2730 lb
Maximální vzletová hmotnost:
Maximum Take-off Weight: 		? kg ? lb
Rozpětí:
Wingspan: 		9.63 m 31ft 7in
Délka:
Length: 		6.86 m 22ft 6in
Výška:
Height: 		2.67 m 8ft 9in
Plocha křídla:
Wing Area: 		23.41 m2 252 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-1340-3 o výkonu 306 kW
dvoulistá dřevěná vrtule		 Pratt & Whitney R-1340-3, 410 hp
two-blade metal propeller
Objem palivových nádrží:
Fuel Tank Capacity: 		? ?
Výkony:
Performance: 		 
Maximální rychlost:
Maximum Speed: 		246.2 km/h v 0 m 153 mph in 0 ft
Cestovní rychlost:
Cruise Speed: 		220.5 km/h v ? m 137 mph in ? ft
Rychlost stoupání:
Climb Rate: 		9.1 m/s 1800 ft/min
Čas výstupu na výšku:
Time to Climb to: 		? min do ? m ? min to ? ft
Operační dostup:
Service Ceiling: 		7010 m 23000 ft
Dolet:
Range: 		550.4 km 342 mi
Maximální dolet:
Maximum Range: 		? km ? mi
Výzbroj:
Armament: 		2x 7,62mm kulomet Browning 2x .30 Browning machine gun
Uživatelské státy:
User States:
Poznámka:
Note: 		- -
Zdroje:
Sources: 		Bowers, P. M. Curtiss Aircraft 1907-1947, Putnam Aeronautical Books, London 1979. ISBN 0-370-10029-8.
Bowers, P. M. Curtiss Army Hawks, Aircraft in Profile No.45. Profile Publications, Leatherhead 1965.
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.
Bowers, P. M. Forgotten Fighters/2 and Experimental Aircraft U.S. Army 1918-1941, Arco Publishing Company, New York 1971. ISBN 0-66802-403-8.
http://joebaugher.com/usaf_fighters/p3.html
www.nationalmuseum.af.mil
http://www.aerofiles.com/_curtx.html

Curtiss P-3A Hawk - XP-3A č.1 - přestavěný P-1A

XP-3A č.1 - přestavěný P-1A
Curtiss P-3A Hawk - XP-3A č.2 - první P-3A poté, co byl použit k vývoji motorového prstence NACA.

XP-3A č.2 - první P-3A poté, co byl použit k vývoji motorového prstence NACA.
URL : https://www.valka.cz/Curtiss-P-3A-Hawk-t84499#310672 Version : 0
As well as the us navy was also the army air force from the beginning of the indecisive, whether to prefer the star or ordinary engines. The radial engine was successfully used in P-12, and so the air force instructed Curtiss to verify the possibility of modifying the Curtissu Hawk. Was it singled out P-1A 26-300, who had, under the designation XP-3 get the experimental engine in the Curtiss R-1454 on the performance of 291 kW. This, however, proved to be unreliable, and the rebuilding therefore not carried out. Instead, in October 1927 he received the Pratt & Whitney R-1340-1 Wasp, and was renamed the XP-3A, factory designation Model 34N. After the transfer of the army got the experimental designation XP-451, and was used to test the various early forms of the motor of the rings NACA.

The lighter engine allowed the XP-3A better rate of climb and greater avail, and the army 27. December 1927 ordered another five machines, 28-189/193, for the operational tests. These were also the army passed with exposed engines, additionally, were given the rings type of Townend. From the first of the P-3A later became the XP-3A no. 2 and was also used for the development of the ring of NACA. With a tight-fitting cover of the NACA and a large propeller cone was in 1929, deployed in the open part of the National air races, where, piloted by R. G. Breen, won the second place with a speed of 300 km/h. Defeated was a "civilian" Doug Davis and the Travel Air R. Of the two XP-3A later became the XP-21, and 28-189 ended up P-1F.

As for the other P-3A, tests have failed to convince the army enough to buy another star motor powered by the Hawks, and remained so for the rank and file of the engines. On the contrary, the navy at the same time as the first major naval version of the Hawk ordered F6C-4 just with a star engine..
Curtiss P-3A Hawk -


URL : https://www.valka.cz/Curtiss-P-3A-Hawk-t84499#423973 Version : 0
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