world war ii and the v-1710

8/11/2019 World War II and the V-1710

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World War II and the V-1710


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Fighter Power & Speed Up to 1935

0

50

100

150

200

250

300

0 100 200 300 400 500 600 700 800

Engine Power - Horsepower

Monoplanes

Biplanes

Reference:

American Combat Planes by Ray Wagner

U. S. Fighters by Lloyd Jones

U.S. Army Aircraft by James Fahey


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Design Criteria for the V-17101. Power - 1000 horsepower

2. Cooling Medium - ethylene-glycol

3. Piston Arrangement - V-12

4. Reliability to pass a 150-hour Type Test

5. Maximum Weight - 1300 pounds

6. Bore and Stroke - 5.5 inches and 6.0 inches

7. Compression Ratio - 6.0

8. Engine Speed - 2500 - 2600 rpm

Reference: Vees for Victory by Daniel Whitney


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V-1710

3-View


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Early V-1710 Versions

V-1710A

V-1710C

V-1710B

V-1710F


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V-1710s with Extension Shafts

P-39 Engine

P-63 Engine

B-42 Engine

XFM-1 Engine


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Two Stage Superchargers

Carburetor Between Supercharger Stages

Engine with Intercooler

Carburetor Before Both Supercharger StagesFluid Coupling Provides Variable Power


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Spark Plug Cooling

HolesSlot

Park Plug

Cooling

Manifold


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American Production of Aircraft Types

4000

4000

8000

12000

8000

12000

16000

16000

0

A-26

C-45

B-29B-26

B-25

B-24

B-17

C-46

C-47

C-54

P-38 P-39

P-40

P-51

P-61

P-47

P-63

F2A

F4F

F6F F4U

Bombers Navy

Fighters

Air Force

Fighters

Transports

Quantity

Built

With Air-Cooled

Radial

Engines

With

Liquid-Cooled

V-12

Engines


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Production Aircraft Powered by the V-1710

Lockheed

P-38

North

American

P-51/A-36

Curtiss P-40

Bell P-63

North

American

P-82

Bell P-39


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Bombers with In-line Allison Engines

B-17 with V-1710s = B-38

B-29 with V-3420s = B-39

B-42 with two V-1710s


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1939 1940 1941 1942 1943 1944 1945 1946

Usage of Engines in Army Fighters

P-39

P-38

P-40

P-47

P-51

P-63

P-61Allison V-1710

Packard Built Merlin

Radial Engine

Japan

Attacked

Pearl Harbor

Germany

Surrendered

First Delivery

Hitler

Invaded

Poland

JapanSurrendered

End ofProduction


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Comparison of Maximum Speed of

V-1710 and Merlin Powered P-40s

0

5,000

10,000

15,000

20,000

25,000

30,000

280 300 320 340 360 380

Velocity - mph

P-40E with

Allison V-1710-39

P-40F with

Packard V-1650-1


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Comparison of Maximum Speed of

V-1710 and Merlin Powered P-51s

0

5,000

10,000

15,000

20,000

25,000

30,000

35,000

40,000

320 340 360 380 400 420 440 460 480

Velocity - mph

P-51H with

V-1650-9P-51D with

V-1650-7

P-51A with

V-1710-81

P-51 with

V-1710-39


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Growth of Power for the V-1710

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

1937 1938 1939

Year

Brake

Horsepower

1944 1945 19461940 1941 1942 1943

C & D Models E & F Models

Takeoff Power

War Emergency

Power

Special Fuel

Tests


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Growth of Power for the V-1710

600

800

1000

1200

1400

1600

1800

2000

2200

2400

2600

2800

1937 1938 1939

Year

Brake

Horsepower

1944 1945 19461940 1941 1942 1943

Takeoff Power

War Emergency

Power

Turbocompound

V1710-E27


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Turbocompound V-1710E-27


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B-17 with P-38 Nacelles


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B-24 with V-1710s


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C-47 with V-1710s


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Light Transports with V-1710s

Vultee V1ALockheed Loadstar with P-40 Nacelles


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P-38 with Radials is a Bad Idea


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C-54 with V-1710s

XC-114 Nacelle Under Constructionand Test


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V-3420 - The Double V-1710


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V-3420 with Extension Shafts

Fisher P-75 Eagle


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P-75 Final Assembly


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P-75 Production


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P-75 Production


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V-3420 for PT-8


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V-3420 with Bevel Gears


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Concept with Twin V-3420s


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P-39 with V-3420

Exhaust Stacks

Low on Fuselage

Counter-Rotating

Propellers

world war ii and the v-1710

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