Maximální vzletová hmotnost: Maximum Take-off Weight:
? kg
? lb
Rozpětí: Wingspan:
10.740 m
35ft 3in
Délka: Length:
10.460 m
34ft 4in
Výška: Height:
4.110 m
13ft 6in
Plocha křídla: Wing Area:
? m2
? ft2
Plošné zatížení: Wing Loading:
? kg/m2
? lb/ft2
Pohon: Propulsion:
Kategorie: Category:
pístový
piston
Počet motorů: Number of Engines:
1
Typ: Type:
Allison V-1710-101 kapalinou chlazený přeplňovaný vidlicový dvanáctiválec s reduktorem o vzletovém výkonu 988 kW a 1 118,5 kW v h= 1 828 m a později
Allison V-1710-121 kapalinou chlazený přeplňovaný vidlicový dvanáctiválec s reduktorem o vzletovém výkonu 1 062,6 kW a 1 267,6 kW v h= 7 925 m. Vrtule čtyřlistá automaticky stavitelná s konstantní rychlostí otáček
Allison V-1710-101 twelvee-cylinder Vee liquid-cooled engine, rated at 1,325 hp for take-off and 1,500 hp at 6,000 ft later
Allison V-1710-121 twelvee-cylinder Vee liquid-cooled engine, rated at 1,425 hp for take-off and 1,700 hp at 25,600 ft, driving a four-blade constant-speed propeller.
Objem palivových nádrží: Fuel Tank Capacity:
?
?
Výkony: Performance:
Maximální rychlost: Maximum Speed:
679.1 km/h v 6248 m
422 mph in 20500 ft
Cestovní rychlost: Cruise Speed:
515 km/h v 0 m
320 mph in 0 ft
Rychlost stoupání: Climb Rate:
21,33 m/s
4198.8 ft/min
Čas výstupu na výšku: Time to Climb to:
4,8 min do 6096 m
4,8 min to 20000 ft
Operační dostup: Service Ceiling:
11887 m
39000 ft
Dolet: Range:
? km
? mi
Maximální dolet: Maximum Range:
? km
? mi
Výzbroj: Armament:
4x pevný kulomet Colt-Browning M-3 ráže 12,7 mm se zásobou 1 206 nábojů (Pro případnou sériovou výrobu bylo počítáno s výzbrojí 6x kulomet M-3 ráže 12,7 mm nebo 4x kanón ráže 20 mm)
Four fixed forward-firing 0.5 inch Colt-Browning M3 machine-guns in the wing mounted, total 1,206 rounds. (The proposed production models of the P-40Q were to have carried either six 0.50-inch machine guns or four 20-mm cannon).
Uživatelské státy: User States:
USA
United States
Poznámka: Note:
Tovární označení Hawk 87X. Další popis viz historie
The P-40Q was an experimental project which attempted to produce a really modern fighter out of the existing P-40. The modifications were in fact so drastic that there was very little in common with earlier P-40 versions. Two P-40Ks (serial numbers 42-9987 and 42-45722) and one P-40N (serial number 43-24571) were extensively modified with revised cooling systems, two-stage superchargers, and structural changes which markedly altered their appearance. The project was assigned the designation XP-40Q. The XP-40Q was built three times. In its final form, with a shallow chin air scoop, clipped wings and a bubble canopy, the Curtiss fighter's appearance was somewhat reminiscent of a P-51D Mustang. The XP-40Q, as the new version was redesignated, was the fastest of the Warhawks. Unfortunately, by the time the XP-40Q was built, the more capable P-51D was already available in large numbers. Only three were built, and only one was evaluated and rejected by the USAAF.
Zdroje: Sources:
William Green a Gordon Swanborough, The Complete Book of Fighters, Salamander Books Ltd; New Ed edition, rok 2001, ISBN-10: 1840652691 Zbigniew Kolacha a Marek Ryś, Monografie Lotnicze 65, Curtiss P-40 cz.2, AJ-Press 2000, Gdaňsk 5, ISBN 83-7237-040-0 Václav Němeček, Vojenská letadla 3 díl, druhé doplněné vydání, Naše Vojsko, Praha 1992, ISBN 80-206-0117-1 Ray Wagner, Aircraft Profile No.35 Curtiss P-40 Tomahawk, rok 1967 http://www.p40warhawk.com/Variants/P-40Q.htm http://home.att.net/~jbaugher1/p40_16.html http://www.airwar.ru/enc/fww2/p40q.html archiv autora
URL : https://www.valka.cz/Curtiss-XP-40Q-Warhawk-t43110#170616
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History: Experimental version, designated the XP-40Q was built in three copies, factory Curtiss-Wright it was during the construction of this version in an attempt to Warhawk reached similar performance as the North American P-51D Mustang. All three prototypes are incurred by the redevelopment of older aircraft, but the adjustments made were so fundamental that the resulting aircraft are nepodobaly his predecessors.
The first prototype XP-40Q-1 originated adaptation of the serial of the airplane P-40K-10CU (Sn. 42-9987). New engine Allison V-1710-121 achieve the performance of 1 047 kW mainly due to a two-stage compressor and the injection of water and methanol. The engine powered a four-blade propeller, which highlighted the new look of the plane. A very noticeable feature was the absence of a large radiator under the engine, the coolers were placed in the wing roots and under the fuselage was flat, too nevystupující cooler. The wings have been deprived of the bomb pylons. The cabin was the same as the older Warhawků.
The second prototype XP-40Q-2 was rebuilt from the P-40K-1CU (Sn. 42-45722). The most noticeable difference was the installation of guttate cabin, the cooling system was at first identical with the previous machine, but very soon was modified – a flat radiator was moved under the engine, but was smaller than what should older version. In the roots of the wings was another radiator fluid, and oil. The wing was "zaříznuto" and thus to reduce the margin.
The third aircraft, the P-40Q-3 was almost identical with the second prototype and was rebuilt from the P-40N-25CU, the difference was only in the flat windscreen, which was armoured.
All the planes have been very powerful, but in the arsenal of the USAAF didn't make, were rejected, because they still did not reach the performances of Mustang, Lightning or Thunderboltu.
sources: Zbigniew Kolacha and Marek Ryś, Monograph Lotnicze 65, the Curtiss P-40 cz.2, AJ-Press, 2000, Gdansk 5, ISBN 83-7237-040-0 Aviation and aerospace 65/1989 no. 18, Václav Němeček, the Curtiss XP-40Q Warhawk http://www.airwar.ru/enc/fww2/p40q.html www.joebaugher.com author archive.
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Fotografie poslední a asi nejkrásnější verze z "P-40-tek"
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URL : https://www.valka.cz/Curtiss-XP-40Q-Warhawk-t43110#170617
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Diskuse
Yeah, there's something to it. A cross between a P-40 and Mustang. Nice plane..
URL : https://www.valka.cz/Curtiss-XP-40Q-Warhawk-t43110#428017
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