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Curtiss Model 81A-1

Curtiss Model 81A-1

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Model 81A-1

Icon
Totals
1100 Price
220 Survivability
2650 kgWeight
81.1 Damage
Speed
560.2 Airspeed
560 km/hTop Speed at Sea Level
560 km/hTop Speed at Best Altitude
1600 mOptimum Altitude
750 km/hMaximum Dive Speed
36.7 m/sRate of Climb
160 km/hStall Speed
367 km/hOptimum Airspeed
Mobility
83.3 Controllability
10.8 sAverage Time to Turn 360 deg
130 °/sRate of Roll
789 Maneuverability
Model 81A-1
IV
Curtiss Model 81A-1
1100
Early modification of the P-40, also known as the Curtiss Model 81A-1. A total of 199 aircraft of this modification were built.

Tech Tree

Engine
tree_wowp_ico-engine.pngV
0
EngineV-1710-33
Specifications:
Engine Power, hp1050
Typewater-cooled
Weight, kg570
Applicability:Curtiss Model 81A-1
tree_wowp_ico-engine.pngV
V-1710-33
Airframe
tree_wowp_ico-planer.pngIV
0
AirframeModel 81A-1
Specifications:
Survivability220
Weight, kg1960
Applicability:Curtiss Model 81A-1
tree_wowp_ico-planer.pngIV
Model 81A-1
Synchronized machine gun
tree_wowp_ico-gun.pngIV
0
Machine gun12.7 mm M2 (S)
Specifications:
Caliber12.7
Muzzle Velocity, m/s1040
Damage38
Rate of Fire, rounds/min700
Weight, kg60
tree_wowp_ico-gun.pngIV
2x12.7 mm M2 (S)


Modules


Compatible Equipment

Improved Reflector Sight I
Self-Sealing Fuel Tank II
Aircraft Polish I
Engine Tuning II
Control Surface Adjustment II
Improved Covering II
Improved Radiator II
Lightweight Airframe II

Compatible Consumables

Reinforced Control Surfaces
Pneumatic Restarter
Automatic Fire Extinguishers
Control Surface Autotrim
Automatic Engine Restarter
First Aid Kit
First Aid Dressing Package
Ground Verification
Aerial Verification
Manual Fire Extinguishers
Control Surface Trim
Heavy Duty Control Surfaces

Player Opinion

Pros and Cons

Pros:


  • Rugged


Cons:


  • Very weak armament
  • Poor maneuverability


Historical Info

The P-40 was similar to the final XP-40 configuration except for the use of 1040 hp V-1710-33 (C15) engines. The armament was the standard USAAC armament of the day-two 0.50-inch machine guns, mounted in the upper nose and synchronized to fire through the propeller arc. Provisions were made for the mounting of one 0.30-inch machine gun in each wing. Flush riveting was used to reduce drag. Armor, bulletproof windshields, and leakproof fuel tanks which were not initially fitted, were later added to the aircraft while it was in service. The P-40 was a relatively clean design, and was unusual for the time in having a fully retractable tailwheel.

The first flight of a P-40 (Ser No 39-156) was on April 4, 1940. Maximum speed was 357 mph at 15,000 feet, service ceiling was 32,750 feet, and initial climb rate was 3080 feet per minute. An altitude of 15,000 feet could be reached in 5.2 minutes. Cruising speed was 272 mph, landing speed was 80 mph, and the range at 250 mph was 950 miles. The length of the P-40 was 31 feet 8 3/4 inches, which became standard for all early models. Weights were 5376 pounds empty, 6787 pounds gross, and 7215 pounds maximum.

Deliveries of the P-40 to Army units began in June of 1940. Three of the P-40s were used for service testing, the USAAC contract making no provisions for the standard practice of supplying YP models. They were delivered with full camouflage applied-olive drab on the top and grey on the undersides. The standard rudder stripes and star insignia were applied to both wings.

The first USAAC units to operate the P-40 were the 33rd, 35th and 36th Pursuit Squadrons of the 8th Pursuit Group, based at Langley Field, Virginia. It was soon followed by the 55th, 77th, and 79th Pursuit squadrons of the 20th Pursuit Group at Selfridge Field, Michigan, and the 21th, 34th, and 70th Pursuit Squadrons of the 35th Pursuit group which trained on P-40s prior to being issued with P-39s.

Foreign air forces were beginning to take notice of the P-40, and in May of 1940, the Armee de l'Air of France placed an order for 140 H-81As (export model of the P-40).

Only 200 of the initial P-40 order were actually completed as P-40s. Serials were 39-156/280 and 40-292/357 (c/ns 13033/13232). In September of 1940, the remaining 324 aircraft of the initial order had their delivery deferred to enable Curtiss to expedite the delivery of the 140 French-ordered H-81As. The first export aircraft had actually been completed in French markings in April of 1940. However, none of these machines actually reached France before the June 1940 Armistice, and the contract was taken over by the Royal Air Force as the Tomahawk I.

16 P-40s were sent to the Soviet Union after the German invasion.

The P-40 lacked such things as armor for the pilot, self-sealing fuel tanks, and a bulletproof windshield, so it was not considered as being suitable for combat. On October 22, 1942, those P-40s still in USAAF service were ordered restricted from combat duty and were redesignated RP-40.


Historical Gallery


Fighters
USA IICurtiss P-23 IICurtiss XP-31 IIIBrewster F2A-1 Buffalo IIICurtiss Hawk 75M IIIBoeing YP-29 IVSeversky 2PA IVCurtiss Model 81A-1 IVCurtiss P-36 Hawk IVCurtiss P-36C Hawk IVGrumman XF4F-3 VBell XFL-1 Airabonita VCurtiss P-40 Warhawk VBell XP-77 VChance-Vought XF4U-1 VIBell P-39N-1 Airacobra VINorth American P-51A Mustang VIINorth American P-51D Mustang VIIICurtiss XF15C VIIINorth American P-51H Mustang VIIILockheed P-80A Shooting Star IXVought F6U Pirate IXNorth American FJ-1 Fury IXMcDonnell XF-85 Goblin XNorth American F-86A Sabre
UK IIBristol Bulldog IIIBristol Type 133 IIISupermarine Type 224 IVBristol Type 146 IVFairey Fantome VCAC CA-12 Boomerang VMiles M.20 VSupermarine Spitfire I VSupermarine Spitfire Mk Ia VVickers Venom VINorth American Mustang Mk.I VINorth American Mustang IA VISupermarine Spitfire V VIIGloster Meteor F. I VIISupermarine Spitfire IX VIIISupermarine Spitfire XIV IXSupermarine Attacker XSupermarine Swift
Germany IIArado Ar 67 IIArado Ar 68 IIFocke-Wulf Fw 56 Stosser IIHeinkel He 51 IIIArado Ar 80 IIIFocke-Wulf Fw 159 IVMesserschmitt Bf 109 B IVHeinkel He 112 VMesserschmitt Bf 109 E Emil VMesserschmitt Bf 109 E-3 VMesserschmitt Me 209 V4 VHeinkel He 100 D-1 VIMesserschmitt Bf 109 F Friedrich VISupermarine Spitfire V DB 605 VIIMesserschmitt Bf 109 G Gustav VIIIMesserschmitt Me 209 A VIIIFocke-Wulf Ta 152 IXMesserschmitt Me P.1092 IXFocke-Wulf Ta 183 Huckebein XFocke-Wulf Fw 252 XMesserschmitt Me P.1101
USSR IITsKB I-7 IIIPolikarpov I-15bis DM-2 IIIPolikarpov TsKB-12bis IVPolikarpov I-17 VPolikarpov I-180-3 VIlyushin I-21 (TsKB-32) VLavochkin LaGG-3 VMikoyan-Gurevich MiG-3 VYakovlev Yak-1 VIMikoyan-Gurevich I-210 VILavochkin La-5 VIBell P-39Q-15 Airacobra VIYakovlev Yak-1M VIIMikoyan-Gurevich I-220 VIIKostikov 302 VIILavochkin La-7 VIILavochkin La-9RD VIIYakovlev Yak-3 VIIYakovlev Yak-3RD VIIIMikoyan-Gurevich I-250 VIIILavochkin La-11 VIIILavochkin La-9 VIIIYakovlev Yak-15 IXLavochkin La-160 IXMikoyan-Gurevich MiG-9 IXYakovlev Yak-19 XLavochkin La-15 XMikoyan-Gurevich MiG-15bis XYakovlev Yak-30
China IICurtiss Hawk II IIIBreda Ba.27 Metallico IVNakajima Ki-43-Ic VCurtiss Tomahawk IIb VIINorth American P-51K Mustang VIIIShenyang JL-1A-37
Japan IINakajima A4N IIKawasaki Ki-10 IIKawasaki Ki-5 IINakajima Ki-8 IIIMitsubishi A5M IIIMitsubishi Ki-18 IIINakajima Ki-27 IIIMitsubishi Ki-33 IVMitsubishi A6M1 Zero IVNakajima Ki-43-I Hayabusa VMitsubishi A6M2 Zero VMitsubishi A6M3 (experimental) VNakajima Ki-43-II Hayabusa VIMitsubishi A6M5 Zero VIKawasaki Ki-61 Hien VIKawasaki Ki-88 VIIMitsubishi A7M Reppu VIINakajima Ki-84 Hayate VIIIMitsubishi J8M Shusui VIIITachikawa Ki-94-II IXTachikawa Ki-162-I XTachikawa Ki-162-III
Premium Planes
USA IICurtiss F11C-2 IICurtiss XP-31 IIIBrewster F2A-1 Buffalo IIIBoeing YP-29 IVSeversky 2PA IVCurtiss Model 81A-1 IVCurtiss P-36C Hawk IVGrumman XF4F-3 VBell XFL-1 Airabonita VBell XP-77 VChance-Vought XF4U-1 VIDouglas A-26B Invader VIBell P-39N-1 Airacobra VIGrumman XP-50 VIIFisher XP-75 Eagle VIIICurtiss XF15C VIIILockheed P-80A Shooting Star VIIINorth American P-82B Twin Mustang VIIILockheed XP-58 Chain Lightning IXMcDonnell XF-85 Goblin
UK IIIBristol Blenheim Mk.IV (early mod.) IIISupermarine Type 224 IIICAC CA-1 Wirraway IVFairey Fantome VCAC CA-12 Boomerang VHawker Hurricane IID VMiles M.20 VSupermarine Spitfire Mk Ia VVickers Venom VINorth American Mustang Mk.I VINorth American Mustang IA VIIGloster Meteor F. I VIIISupermarine Seafang F.32
Germany IIArado Ar 67 IIFieseler Fi 98 IIFocke-Wulf Fw 56 Stosser IIHenschel Hs 123 IIIDornier Do 17 Z-7 Kauz IIIBlohm und Voss Ha 137 IIIBlohm und Voss Ha 137 V1 IIIJunkers Ju 52 IVArado Ar 197 IVMesserschmitt Bf 110 C-6 IVHenschel Hs 129 А VMesserschmitt Bf 109 E-3 VMesserschmitt Me 209 V4 VHeinkel He 100 D-1 VMesserschmitt Me 210 VISupermarine Spitfire V DB 605 VIIFocke-Wulf Fw 190 A-8/R2 VIIIMesserschmitt Me 109 TL VIIIDornier Do 335 A-1 Pfeil
USSR ITomashevich LShBD IIPolikarpov I-5 ShKAS IITsKB I-7 IITomashevich Pegasus IIIKochyerigin BSh-1 IIIKochyerigin-Yatsenko DI-6i IIIPolikarpov I-15bis DM-2 IIIPolikarpov TsKB-12bis IVPolikarpov I-16 Type 29 IVBorovkov-Florov I-207/4 IVLavochkin LaGG-3 series 4 IVKochyerigin Sh (LBSh) VPolikarpov I-180-3 VIlyushin I-21 (TsKB-32) VIL-2 with rear gunner VLavochkin LaGG-3 series 34 VCurtiss P-40 M-105 VIIlyushin IL-1 VIBell P-39Q-15 Airacobra VIIKostikov 302 VIILavochkin La-9RD VIIYakovlev Yak-3RD VIIIMikoyan-Gurevich I-260 VIIILavochkin La-11 VIIIMyasishchev RB-17
China IICurtiss Hawk II IICurtiss Hawk III IIIBreda Ba.27 Metallico IVNakajima Ki-43-Ic VCurtiss Tomahawk IIb VIDe Havilland 98 Mosquito FB 26 VIINorth American P-51K Mustang VIIIIlyushin IL-10M VIIIShenyang JL-1A-37
Japan IIKawasaki Ki-5 IINakajima Ki-8 IIIMitsubishi Ki-18 IIIMitsubishi Ki-33 VMitsubishi A6M3 (experimental) VIKawasaki Ki-88 VIIMitsubishi J4M Senden VIITachikawa Ki-94-I VIIIMitsubishi J8M Shusui
ru:Plane:M81a-1