'Hap' Arnold probably did more toimpede this a /c, that had so much potential. I forgot about thatformula, torque x rpm divided by 5252 = H.P. This image of the XP-40Q-2A illustrates the clipped wings. to all of those great guysthank you. The P-40’s place in history is firmly cemented. The P-40N was considered the best of the breed. A flight evaluation from April 1944 again noted the XP-40Q-2 as superior to all other P-40s and a very good aircraft overall. The aircraft was moderately damaged in the subsequent forced landing. Click to share on Facebook (Opens in new window), Click to share on Reddit (Opens in new window), Click to share on Twitter (Opens in new window), Click to share on Pinterest (Opens in new window), Click to share on LinkedIn (Opens in new window), Click to share on Tumblr (Opens in new window), Click to share on Pocket (Opens in new window), Click to share on Telegram (Opens in new window), Click to share on WhatsApp (Opens in new window), Click to share on Skype (Opens in new window), Click to email this to a friend (Opens in new window), U.S. Ziegler started the race anyway and was running in fourth place when the engine caught fire after just completing the 13th lap. Note the radiators and oil coolers mounted in the wing center section. Skip to main content.ca Hello, Sign in. The XP-40Q-2 had a 35 ft 3 in (10.7 m) wingspan and was 35 ft 4 in (10.8 m) long. take care. It was vastly superior to earlier variants of the Hawks lineage, and surely High quality Curtiss P 40 gifts and merchandise. We love seeing customers browse in our store, spend time discovering new interests or generating a spark of creativity. Still utilizing the -101 engine, the Q-2 was noted for having excellent visibility and handling. Bernard, Nice article on the XP-40Q, along with the images showing the development are nice indeed. – U.S. The P-40Q was the best of the P-40 series, but it was a case of too little, too late. The XP-40Q was an The Merlin powered production P-40s used a 1,395 h.p. See more ideas about wwii aircraft, ww2 aircraft, fighter planes. The C model Mustang tested at up to 453 mph with comparable power to the Q. Deckcycle Deckcycle Feature Queue. radiator scoop, but featured an all-round vision bubble-type Rescued and the hulk was eventually purchased by Allan Arthur and exported to Australia. Reportedly, the Q-2 was delivered to Eglin Field, Florida for testing in January 1944, but it was back at the Curtiss plant in Buffalo, New York in March for a series of flight tests. The definitive Curtiss P-40N “Warhawk” The Curtiss P-40 Warhawk is an American single-engined, single-seat, all-metal fighter and ground-attack aircraft that first flew in 1938. Semi-flush low-drag P-40F and P-40L, which both featured Packard V-1650 Merlin engine in place of the normal Allison. It is not clear if the aircraft was repaired or if the damage was too severe. good answer. The Q-2A most likely had the same specifications and performance as the -121-powered Q-2. The Q-3 had a -121 engine and a natural metal finish. (The 1649 was a gorgeous looking plane, though I have never seen it in person) P-40 war the United States ever airplanes that are worthy of the name fighters. It was thought that the improved performance of the P-40Q would justify the aircraft entering production, and its similarities with P-40s then being produced would minimize tooling and production delays. effort was expended in combining aerodynamic refinement The oil cooler and engine air intake were relocated to the classic P-40 chin position, but the scoop was shallower and more elegant. ( can you tell i admire P-40’s ). Try 66"hg m.p.= 18lbs boost on the 39 and 70"m.p.for 20lbs boost on the 73 for extended periods @ 3200rpmAllison reps. estimated the engines were making north of1700 h.p. The P-40 was the only Allied fighter that could out turn the Zero or Oscar at speeds above about 280 m.p.h. The XP-40Q-1 was the first aircraft, and it was built in 1943 from a P-40K-10 (serial 42-9987) that had been damaged in a landing accident on 27 January 1943. Engine coolant radiators were positioned in the wings just outboard of the main gear. Thanks for the reminder. The slower-prop-faster-speed is a known phenomenon in the air race world as well. The radiator and oil cooler were moved from the P-40’s iconic chin location to the wing center section, just below the fuselage (similar to the XP-40K). they were involved in the schnieder cupair races. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational service. The oil cooler and engine air intake have been relocated to the scoop under the engine. Merlin V1650 as used in the P51D, and results showed a better airplane than both the ME-109 and Spitfire. She could turn and roll well, had a significantincrease in airspeed, diving was never really an issue,and now, she could climb! The Q-2’s service ceiling was 39,000 ft (11,887 m), and it had a gross weight of 9,000 lb (4,082 kg). This was a much improvedP-40. The Q-2A’s first flight occurred prior to the end of March 1944. rolls had one other advantagegoing for them. I simulated the "wear" of the O.D. 1,770 results for curtiss p 40 Save curtiss p 40 to get e-mail alerts and updates on your eBay Feed. Built to USAAF order as 42-104687 but diverted to the RNZAF as Kittyhawk Mk IV NZ3215. Other than some paint, including its registration and race number, the aircraft had changed little since its AAF days. Famed for its shark tooth design the Curtiss P-40 Kittyhawk, or Warhawk and Tomahawk as it was also known, was used by the 'Flying Tigers', the American Volunteer Group in China. Even if the P-40Q airframe had been ready two years earlier, the two-stage Allison engines would not have been ready, as they were still having developmental trouble in 1944. with increased power to produce a higher-performance The story of the XP-40Q aircraft is a confusing one involving only three airframes but somewhere around eight designations and a number of different configurations. XP-40Q being assigned. clipped wing tips, the cut-down aft fuselage with bubble FW190D ‘ DORA ‘ 426 MPH @ 21,650 FT, P-51D 425 MPH @ 25,000 FT, XP-40Q 422 MPH @ The XP-40Q-1 had a 37 ft 4 in (11.4 m) wingspan and was 35 ft 4 in long (10.8 m)—about 2 ft (.6 m) longer than a standard P-40. The fast R-3350-powered machines need the EA-2 “slow nose case” that was only used on the L-1649 Starliners (R-3350-988TC18EA-2 Turbo Cyclone engines). The initial version of the Curtiss P-40, designated by the manufacturer as the Hawk H-81, combined the established airframe of the earlier radial-powered H-75 (P-36) fighter with the Allison V-1710 liquid-cooled engine. Roughly twice the operating andpurchase price of equivalent poppet valve engines. They all had only four .50-cal machine guns with 235 rpg. In an engagement with any of the above LW a/c, would interesting to say the least, given the ‘Q’ The next aircraft was the XP-40Q-2A. A study was done and it wasdecided a two stage Merlin powered P-40 would have rivaled a Spit, Bf-109 or P-51 but none ever flew.The P-60 proved the concept to be a fantasy.BorisThe. The aircraft was repaired and then sent to Wright Field, Ohio in mid-1944. Merlin V1650. I'verecently come by some images of a dyno cell at Allison.Some h.d. Flight of the Curtiss P-40 Warhawk Commander / EDH* Combo Infinite Combo Partner RUW (Jeskai, America) ChuckHD. Before anyone says P51.Exeptions are there for all to see but as rare as rocking horse manure. The coolant radiators have been moved outside of the main gear. h.p. The Curtiss XP-40Q-1 (42-9987) with its standard canopy and sleek nose. 42-9987 by Lt Norman A. Krause (5 April 1944) via www.wwiiaircraftperformance.org (10.9 MB). The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational service. andis a good 4'ft in diameter. The Q-1’s engine air intake was positioned above the cowling. There wasample time to sort out a half dozen or less items onthis a /c. plumbing,air ducting, and the water brake washuge by large ! 1943 CURTISS P-40N KITTYHAWK For Sale in Melbourne at Controller.com. The goal was to improve the P-40 to equal or surpass the performance of newer fighter aircraft. The -121 produced 1,800 hp (1,342 kW) with water injection at 3,200 rpm up to 20,000 ft (6,096 m) and 1,425 hp (1,062 kW) for takeoff. Buy It Now. It is doubtful that much performance testing was conducted on the Q-3, but the results should have been similar to those of the Q-2. I believe the British commission forced NAA to buy data from Curtiss Wright for the XP-46 project, not the XP-37. however, had events taken place sooner she may have seen the light of day. The last of the Curtiss P-40Qs: the XP-40Q-3 (43-24571). paint on the spinner by Curtiss P-40Q - 72nd Aircraft Aug 5, 2020 - Explore David Vickers's board "P-40 warhawk", followed by 716 people on Pinterest. This aircraft would change little throughout its existence. All orders are custom made and most ship worldwide within 24 hours. In aircraft engines Horse Power is converted to the desired"torque" and thrust by gear reduction and controllable propeller pitch. Ever heard of the Napier Sabre IV 24 cylinder sleeve valve 3500 horsepower no more frontal area than a Merlin and barely 8 ft long the Napier would have made this kite go some, Fue una hermosa maquina de limpia arquitectura americana Literalmente una joya de la mecanica. The Curtiss P-40 Warhawk was developed and manufactured by Curtiss-Wright Corporation as a single-engine all-metal fighter and ground-attack aircraft during the late 1930s. the p-40, her pilots, and the g /c's did a great job. Flight control boost was a rare thing in piston engine fighters. if by chance they do, i think the numbers would be interesting. It was built from the initial P-40K-1 (serial 42-45722) that had been converted to the (unofficial) XP-40N. Th eturbines are turning at 13,000RPM + but the prop is turning about 1,100 RPM.Similar for WWII era piston engines, most had a gear reduction of between 1.33:1 and 3:1As far as I know Allison V-1710s were equipped with 1.5:1 (prop turning slower than the engine) gear reduction and 7.3:1 or 8:1 blower drive ratio. history is,as history was. is all good but, torque is what gets you moving ! Only 283 of those engines/cases were built, and maybe 19 cases exist today. Kermitt admitts it will never fly though we may get to see and hear a running Sabre for the first time in half a century. Case in point; The Tempest Vwas delayed for months over a pay dispute by assemblyworkers at Langley. Prime Cart. Playtest v1. In service to boot.Mass produced and used in everyday service....Sabres are cool, but utterly unreliable at any power setting.When WWII ended so did the Sabre, as far as i know there areNO running Sabres static or otherwise, and for good reason.The highest power output for a Sabre in regular service was the Sabre V at around 2,500-2,600 HP.Weight was decidedly piggish at over 2,350 lbs for thepower unit only.Allison weight was about 1,400 lbs depending on model.As a result Sabre installation in a P-40 would have been an impossability. Sources: US only real jack plane, the P-40. It is not clear if the aircraft suffered another accident, or if Curtiss was unhappy with its configuration and decided to modify it further. – Flight Tests on the Curtiss XP-40Q-2, AAF No. the XP-40Q then ? i thinkit was in 1937, one of the supermarine a /c achieved anairspeed of 430mph, in a /c equiped with floats no less.they were on the right track, to be sure. she was the only fighter that could turn with the a6m zero. A P-40K airframe was fitted with an Allison V-1710-121 engine rated at 1,425hp for take-off and 1,100hp at … succeeded, only to have the ‘ Brass ‘ remain ignorant and blind to looking a gift horse in the Prior to the final termination of P-40 development, some The P-40Q was one of the finest fighters Curtiss ever built, but the aircraft was two years or so too late. Zeigler suffered a broken leg, and the Q-2A was destroyed. While the Curtiss SB2C Helldiver carrier-based dive bomber would achieve some success toward the end of the war, its development was prolonged and plagued with issues, and the aircraft was never liked by its pilots and crews. Capt. Officially licensed by The Smithsonian this T-Shirt was skillfully crafted from 100% cotton in the USA by the expert artists inspired by … The problem with Curtiss Wright was upper management, dominated by bankers and accountant. The Q-1 was painted olive drab and had the standard P-40 wing and canopy. The Q-2A had a natural metal finish. Note the size of the bubble canopy and how to could be a bit smaller. The Curtiss P-40 Warhawk was an American single-engined, single-seat, all-metal fighter and ground-attack aircraft that first flew in 1938. It looks like a generator from G.E. 20,500 FT. I’d say,that looking at the numbers, the ‘Q’ was on a pretty even keel ! as for the p-40q. The Warhawk was used by most Allied powers during World War II, and remained in frontline service until the end of the war. in closing, we all know the h.p rating of those beautiful v-12's, works of art. 21 watchers. An improved version of the Allison V-1710 engine gave rise to the Curtiss H-87, which began life in 1941 as the P-40D and featured a completely redesigned fuselage. Gustav Lundquist had evaluated the Q-2 and judged it to be the best P-40 he had flown; he recommended that further flight testing should be conducted. add h2o /meth injection and you have a 20% boost in h.p. Curtiss P-40 Survivors, highlights the history of many well known flying and static displayed Curtiss P-40s in the United States.A list is also provided of other P-40s on display around the world; including location, model and serial numbers, brief history, nicknames/markings, and conditions. I do wonder if there is some flow from the XP-60 design to the first Q. Sold for scrap post-War and remained Asplin's Supplies, Rukuhia NZ, 1952-60. No ( Log Out /  XP-40Q (converted from a P-40N-25 airframe) had 1:72 Curtiss P-40 Warhawk Timeline for AMC Models (CZ) (7205) Curtiss P40 Q-2 Full timeline The P-40 was the most extensively built American fighter of the Second World War with over 13,000 produced. XP-40Q development was initiated by 1943. It is not clear if Allison purchased the aircraft and then later resold it or if it was sold as surplus directly from the AAF. Yup, XP-46. The defective engine scandal at the Lockland, OH plant wouldn’t have helped Curtiss-Wright’s reputation either! Many variants were built, some in large numbers, under names including the Hawk, Tomahawk and Kittyhawk. It makes one wonder. The Q-1’s first flight reportedly occurred on 13 June 1943 from the Curtiss plant in Buffalo, New York. The Curtiss P-40 Warhawk is an American single-engined, single-seat, all-metal fighter and ground-attack aircraft that first flew in 1938. Upvote 0. There is also no indication that any XP-40Q information was passed from Curtiss to North American Aviation (NAA) during the NA-73X’s (P-51’s) development. P-40E-1CU 41-36084 RAF Kittyhawk Ia ET730 Polly Australian War Memorial. The XP-40Q-3 was the last aircraft in the series. What could have been ? Delivered to AAF in April 1944, the Q-3 suffered an engine failure during an early test flight. Note: There is no indication that any of the XP-40Q aircraft used any type of a laminar flow wing. Sorry, your blog cannot share posts by email. Four 12.7mm guns were carried Brand New. The Q-1 was painted olive drab and had the standard P-40 wing and canopy. Change ). I picked 1700HP @ 3,000 RPM.It is pretty simple.about 2976 ft lbs at that speed. Learn how your comment data is processed. rating was at 3000 rpm at sea level for takeoff. angels 20 could be attained in 4.8 min. If you want to talk one off fantasy piston engines there were dozensof candidates from the P&W 4200 hp R-4360 VDT to the previouslymentioned Allison Turbo compounded engines.Curtiss Wright built the awesome R-3350 TCW series of radialsthat made between 3,250 and 3,800 HP! That one snuck past me but has been corrected now. The XP-40Q was certainly an aircraft with great performance and excellent looks. A P-40K airframe was fitted with an So the rated torque is un important.A good example would be turbo prop engines. The EA-2 cases have a .355 reduction, rather than the much more common .4375 reduction. i guess we 'll never know. – Curtiss Fighter Aircraft by Francis H. Dean and Dan Hagedorn (2007) and was slated to be installed in the P-63 Kingcobra. canopy (previously tested on a P-40N). As muchas I admire the British Sleeve valve en gines they were extremely costly to build and operate. LWP'Sfeared and respected Tempests. In any event the advent of 100+ PN (octane) fuels made poppet valve engines a more viable option. Tempests arrived in Feb /Mar of '45and in a short period of time did a bang up job! Change ), You are commenting using your Facebook account. The Curtiss P-40 Warhawk is an American single-engined, single-seat, all-metal fighter and ground-attack aircraft that first flew in 1938. production was undertaken. Unfollow curtiss p 40 to stop getting updates on your eBay Feed. Developed from the P-36 Hawk, it performed its maiden flight in October 1938 and was retired in 1958. C $14.52. T-Model WWII Curtiss P-40 Warhawk Fighter w/Pilot Q Edition Finished Model Kits. The nose of the aircraft was lengthened to accommodate the V-1710-101 (F27R) engine. that's nothing to sneeze at. there was a u.s. gen. who once said" the p-40 was damned bywords, but was flown into glory".i have not been able to find out who this general was, however i feel he was right.the p-40 was a much better a /c than many have given her credit for. Edit. I believe the ” Jug ” was very effective at curtailing the LW. leading edges. The Curtiss P-40 Warhawk was a WWII fighter aircraft that was developed from the P-36 Hawk, via the P-37. A brief glimmer of hope lay in the last model of the P-40, the P-40Q (Curtiss model 87X). Some, like the one in the P-40Q had a two stage unit and the P-38 had a turbo supercharger as a first stage along with the gear driven blower. Note the oil cooler exit doors on the cowling just in front of the wing. Its performance and capabilities were matched or exceeded by other aircraft already in service. that's 1 h.p. This aircraft later had anti-glare paint applied to the upper cowling, its serial number painted on the the tail, and “12” painted on the chin scoop. Curtiss-Wright Airplane Division rare film on how to fly the P-40 Warhawk from the Niagara Aerospace Museum Archives. Whether known as the Warhawk, Tomhawk or Kittyhawk, the Curtiss P-40 proved to be a successful, versatile fighter during the first half on WWWII. C $65.99. have fun, and take care. Regardless, Joe Ziegler acquired the aircraft, and it was registered as NX300B. This also happened with Tsunami: the aircraft went faster when the power was pulled back a bit. The Q-2 retained the olive drab paint. However, the 3,200 rpm engine speed was only shown to offer an advantage between 12,000 and 33,000 ft (3,658 and 10,058 m). P-40 Warhawk 1570mm (61.8") Wingspan - ARF from Nexa - NXA1009-001 The Curtiss P-40 Warhawk is an American single-engined, single-seat, all-metal fighter and ground-attack aircraft that first flew in 1938. Post was not sent - check your email addresses! P-40K for the P-40Q programme reintroduced the nose Performance was marginally better at high altitudes and worse at sea level. They were on the right track, even though they were a day late, and a dollar short. The comment on revs and performance is very interesting. Curtiss fell short in their Note the scoop for the engine air intake above the cowling. At 3,200 rpm, the -101 engine produced 1,500 hp (1,119 kW) at 6,000 ft (1,829 m) and 1,325 hp (988 kW) for takeoff. It is truly unfortunate that the aircraft would soon be destroyed as a result of an engine fire. Try. Curtiss cheif designer, Don Berlin, tested a p-40N with a 1,695 h.p. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational service. Free shipping. That would make for one screamin' hawk !it's all good. but proposed production models were to have carried, 42-9987, Reggiane Re 101 to Re 105 Aircraft Engines. The canopy was a bit smaller, and the flat windscreen was longer and more angled than the windscreen used on the preceding aircraft. However, some modifications to the cockpit and canopy were made, and automatic radiator and oil cooler shutters were added. By this time, the Q-2 had its wingtips clipped about one foot each, and a V-1710-121 (F28R) engine was installed. Experimental & Prototype Aircraft Projects: Fighters 1939-1945 by Bill Norton (2008) Looking at the test data, what was Card Kingdom 589.12 - 621.60 . ( Log Out /  The XP-40Q-2A (42-45722) looking very much like the XP-40Q-2 but with clipped wings. ( which wouldn’t have been hard to find ) The ” Brass ” should have given the green light to the P-40Q, yet they chose not to. They got it right on that one ! The aircraft could climb from sea level to 20,000 ft (6,096 m) in 4.8 minutes, 30,000 ft (9,144 m) in 8.9 minutes, and 39,000 ft (11,887 m) in 26.1 minutes. and a four-bladed propeller was fitted, the designation The same issue led Frederick Rentschsler to leave Curtiss Wright and found Pratt and Whitney, and caused Donovan Berlin to depart after designing the P-36 and P-40. The Allison V-1710 in it's most developed versions was far better than most know today. had a good driver. Fill in your details below or click an icon to log in: You are commenting using your WordPress.com account. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational service. – Memorandum Report on P-40Q Airplane, AAF No. Curtiss and Boeing had dominated the U.S. Army and Navy fighter plane business since the end of World War I. ALL airworthy Allison V-1710 engines were supercharged. In addition, there would be some part interchangeability with older P-40 aircraft, and current P-40 pilots and crews would be familiar with the new aircraft and its systems. The aircraft was damaged again when it ground looped while landing on 31 July 1944. I've also found some great info on p-40's, lots oftest data et al, to much to go over here, however thereis a good piece on how hard the v-1710-39 and 73 seriesengines could be pushed, ie:'over boosting' by the ausies. Overall, the changes improved pilot visibility. From China. Change ), You are commenting using your Google account. canopy and coolant radiators faired into the wing In March 1946, Allison still had the XP-40Q-2A (the second XP-40Q) when the AAF declared the aircraft as surplus. A P-40K airframe was fitted with an Allison V-1710-121 engine rated at 1,425hp for take-off and 1,100hp at … All of theengine constructors during that period used dynomometers,and the h.p. Brand New. 5 out of 5 stars (15) 15 reviews $ 26.60. Built to USAAF order as 42-104687 but diverted to the RNZAF as Kittyhawk Mk IV NZ3215. Saburo Sakai would order his pilots to break off rather than engage Australian or New Zealand P-40's in high speed turning matches. The P-40 design was a modification of the previous Curtiss P-36 Hawk which reduced development time and enabled a rapid entry into production and operational service. From shop 3bprint. The XP-40Q was definitely a nice looking aircraft. The legendary "reliability" of Napier's masterpiece!Boris, P-51 and that "lousy Allison"?The P-51A and A-36 were powered by an up-rated V-1710-81 that gave better performance and speed rose to 408mph@15,000'.Some say 390 mph, but I tend to believe the USAAC /USAAFnumbers at 408.To put that in perspective the A model was the best performingversion of the P-51 under 10,000' till the H model came around.Above 10,000' the two stage Merlin ruled.Boris, I think Boris just about Nailed it.A different engine doesn't make a different aeroplane. Three XP-40Q prototypes were built; their origins and histories have always been a point of disagreement between sources. The XP-40Q-2A seen at Cleveland, Ohio for the Thompson Trophy Race in 1947. The P-40 was the product of a long development process that began when the USAAC invited various aircraft companies to submit designs for its 1935 fighter competition. as stated else were, to little to late. This site uses Akismet to reduce spam. /per cu inch.back in the day, that was magical ! During the XP-40N conversion, the aircraft had a bubble canopy installed. See more ideas about Wwii aircraft, Fighter planes, Ww2 planes. Curtiss and Allison both made a concentrated effort to improve the P-40, and for all intensive purposes, i’m of the belief they The wings are still the standard P-40 wings, but they were later clipped by about one foot. does anyone knowwhat the torque rating was in lb /ft of an allison v-121710-121 or other allison's ? with 4 20mm cannons, 1425 hp422mph at full chat, yeah ! Hi Bill Agreed, as painful as it is. The XP-40Q-1 was the first aircraft, and it was built in 1943 from a P-40K-10 (serial 42-9987) that had been damaged in a landing accident on 27 January 1943. The Curtiss XP-40Q-2 (still 42-9987) after modification with a bubble canopy. The aircraft had balanced controls and was very maneuverable, with a tight turn radius. it makes sense. during the depressionera, i believe g.m did little if any r & d on the allison. In 1933, however, Boeing had beaten Curtiss in competition for a lucrative Army fighter contract with its innovative P-26 Peashooter. if not for if's, but's, and maybe, thingswould certainly be different. Had Curtiss only had an ” epiphany ” in mid ’41 – early ’42 the latest…. as for torque /thrust valuesthey may very well not exist. This view of the XP-40Q-3 illustrates the revised canopy compared to the XP-40Q-2A. Regardless, by November 1943, the Q-1 had been modified and redesignated XP-40Q-2. much was learned from this, no doubt. Extremely high exhaust temperatures prevented further development as it came late in the war. she could rollwith best of them, dive like brick, and dish out a beating as well as take a pounding that would finish off others, yet more often that not, return to base. Ziegler pulled up and off the course and bailed out of the Q-2A. Gustav E. Lundquist (2 November 1943) via www.wwiiaircraftperformance.org (1.1 MB) This was easily compensated for at low speeds but at over 250 mph they were at full or nearly full power.As far as I know no version of the P-40 had flight control boost. Top Rated Seller Top Rated Seller. 42-9987 by Capt. model. 1942, Curtiss P-40 Tomahawk and Kittyhawk were introduced. either six 12.7mm or four 20mm weapons. VH-ZOC Curtiss P-40N Kittyhawk c/n 28449. The Q-2A was very similar to the final configuration of the Q-2—with a bubble canopy, clipped wings, and -121 engine.