World War II and the V-1710
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Transcript of 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