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One of the early production Curtiss P-36 aircraft was given an 864.4kW Allison V-1710-19 (G-13) engine (and designated XP-40) instead of the standard R-1830-17 engine. Apart from the essential modifications to the airframe to accommodate the Allison supercharged engine and its coolant radiator and oil cooler, it was the basic airframe of the P-36, free of development problems and ready for immediate production once the USAAC decided it was the aircraft they needed. They did; ordering an initial production batch of 524 P-40, these acquiring the name Warhawk. On 22 November 1944 the USAAF received the 15,000th Curtiss fighter built for service in World War II. It was a P-40N, the final new production version.
Despite this long production run, the P-40 Warhawk was not an outstanding fighter aircraft. It was, however, rugged and reliable and was used in all theatres of war for a variety of purposes. It was also typical of many early wartime fighters, with armament and engine changes causing the long development progression. Increased armament and equipment needed more power to maintain performance: once this had been achieved, with perhaps a margin of reserve power, more arms or increased armour or fuel tankage again eroded performance.
P-40 served with the RAF as Tomahawks; with Gen Chennault's AVG or "Flying Tiger" group in China; with the RAAF, SAAF, Soviet Union and Turkish Air Force. Improved P-40D and P-4OE served with the RAF as Kittyhawks, with the RCAF and Soviet Union; and still later versions went to the RNZAF. USAAF usage of the P-40 was mainly in the Middle East and Pacific theatres, but by far the greatest proportion of P-40 built went to Allied nations under Lend-Lease agreements.
| CREW | 1 |
| ENGINE | 1 x Allison V-1710-81, 1000kW |
| WEIGHTS |
| Take-off weight | 4014 kg | 8849 lb |
| Empty weight | 2720 kg | 5997 lb |
| DIMENSIONS |
| Wingspan | 11.4 m | 37 ft 5 in |
| Length | 10.2 m | 33 ft 6 in |
| Height | 3.8 m | 12 ft 6 in |
| Wing area | 21.9 m2 | 235.73 sq ft |
| PERFORMANCE |
| Max. speed | 608 km/h | 378 mph |
| Cruise speed | 263 km/h | 163 mph |
| Ceiling | 11580 m | 38000 ft |
| Range w/max.fuel | 400 km | 249 miles |
| ARMAMENT | 6 x 12.7mm machine-guns, 1226kg of bombs |
| Randall Duff Pettie, randallduff(@)verzion.net, 18.07.2008 I would like to know where I could get a set of at least half scale plans for the P-40 Warhawk,Kittyhawk,or tommahawk,as I like this plane and would like to build one. Yours Truly Randall Duff Pettie | | Tony, 22.06.2008 My uncle, disabled in his youth from rubella, worked at the Curtis factory in Louisville during the war. He stayed on when the facility transitioned to International Harvester where he worked until he retired. | | jim taylor, jrt931(@)bellsouth.net, 02.06.2008 hi theres guys ,where ever you might be comeing from ,im come to you from the good old U.S.A.... yes i can tell you quite a bit about this aircraft ,i was born here in louisville ky in the united states of america ,and i lived at 4641,crittEnen drive here in louisville ky ,ok and my parents owned a home where we lived at just right down the street from THE cirtis wrights aircraft company ,witch in years to come after the war, became the grate international harvest farm tractor manufacturer,,but when and while curtis wrights was produceing these little fighter planes , i loved to go down there at the take off runways ,that ran east and west across the airport in those days and the goverment had a huge wheat feild there surounding the curtis aircraft company,and there was a fence devideing the runway for take offs ,and landings of the test pilots thAt tested these fighter planes ,and i would just set back aganst a fence post there sometimes half the day and watch them take off there and land.,and i just loved the beautiful colors they were decerated with and the markings were just beautiful ,and due to different countrys they were going to be working for they were deceratd differently for that country ,i geuss because they had different markings on some of them i know the britts had some going out of there but of couse back then ,i didnt know one from the others sig marks ,,and to me these were some fast little aircraft ,i never seen anything so fast take off there at curtis aircraft runways ,they were very fast ,when those pilots pulled that throtel back when takeing off ,that thing was like a streak of lightening going down that runway, cutis built several different type of aircraft out there at the plant on crittnen drive here in louisville ky ,but they also had a repair hanger and shop there too ,that they fighter pilots flew in with a lots of different kinds of aircraft with a lots of gunfire damage to them ,and they would repair them and send them back out agan ive seen planes come limping in there damaged so badly that you wouldnt think could even fly any longer but they repaired them and you would see those planes take off agan in a few days and back to the war zone ,we also had a grummon aircraft company here also they were a large plane ,two seater ,and had a rear seat gunner and wing guns also and carried bombs under neath them... absolutely gorgius air planes and they were very very fast too,beautiful shiney things .they just glistend in the sun light . ive set there aganst those fence post at the fence that ran across the old stanfords feild airport and seen brand new b-17,s take off there they also had a huge storage feild there too ,for planes built in california and other places they would fly hem to louisville and store them for testing and then fly them out of there ,and we also had an other aircraft plant in the old west end of louisville ky that built big bombers but for the best of me i cant remember what they were ,they might have been b-17,s are b-29,s are b-25,s im not really sure what they were but they also had a ford plant down there in the west end ,,but ive seen planes parked there at the old stanfords feild airport from crittenen drive all the way east to preston street witch i would say is a good mile or mabe 2 miles in distence across there . but guys i can talk on and on about planes because i love them ive even been lucky enough to get to help build the grate hughey cobra in california at the vinice plant there where i live just up the street from hughes aircraft co.in vinice california , i lived at 2801&1/2 ocean park blvrd in santa minica ,just up the street from vinice where i worked '' me and my oldest brother virgil .that was a mighty chopper guys fast and deadly jesus it was so deadly those guns can rain firer power on you ,ive forgot what the firepower ratio was but they claimed in so few minutes they could fire enough copper rounds to stretch a long copper wire power line for several miles ,and i dont doublt it one bit because this is one chopper you dint want asfter you are laying down its power on you ,this big bird was absolutely awsome and could put on one hell of a show for you when it released all its fire power . when you seen on of these babys stop on a dime in the air and mabe turn one way or the othere and tilt that litle fan blade on the back end up you could just say well some poor devil is geting ready to get hell right now , hey these pilots didnt play no games with anyone they were there to take care of bisuness and thats what they did too these suckersd carried some lethal firepower they were strictly a killin machine first class ,and could sneak up on you before you ... | | Dr Lyle G McNeal, sheepman(@)comcast.net, 19.05.2008 One of the first aircraft I receive instruction in after leaving the link trainer was the TP-40, and what a great aircraft to fly. Awesome performance, although not as good as the P-51D, it was still a classic piece. One of my good friends with whom I went to school with was Gen. Claire Chenault's nephew and Chenault valued the P-40 and it's manurevability against the Japanese aircraft in the early formative years of the American Volunteer Group (AVG). | | Bob Rodgers, bobrodgers0602(@)yahoo.com, 09.05.2008 My father in law's cousin was the chief designer of this plane, Donovan (Don) Berlin. He and Bill Lear were good friends, about the same age, and worked on different projects before and during World War II. | | Bob Pierce MSgt USAF Ret, robertpierce14(@)msn.com, 30.04.2008 Beautiful 'Bird'! Very sucessful im China until replaced by the P-51. 14th Air Force, 1943-1945. 23rd Fighter Group, 74th, 75th and 76th Fighter Squadrons. Acitvated in China March 1943. I was stationed in China from Feb 1944 to the end of the war. A final note, the three Fighter Sqaudrons mentioned above are still active today, sporting Tiger Shark noses, flying the Warthog A-10 and based at Pope AFB. Ah memories! |
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