f4u corsair - virginia techmason/mason_f/f4us05.pdf · f4u corsair kevin dean, jon ramba, tyler...
TRANSCRIPT
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F4U Corsair
Kevin Dean, Jon Ramba, Tyler McCallConfiguration Aerodynamics
March 30, 2005
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History
Carrier-based fighter- February, 1938
Designed by 6 men
First Flight – May 1,1940
Used the mostpowerful engine inthe world at that time,producing over 2000hp
(nicosfly.free.fr)
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History
Over 12,500produced
Less than 30 stillairworthy today
Had a kill:death ratioof 11.3
(www.aoqz76.dsl.pipex.com)
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Performance (F4U-1)
Max Speed: 417 mph
Cruise Speed: 182 mph
Ceiling: 36,900 ft
Max Range: 1,560 mi
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Basic Geometry
Wing Span: 41 ft
Length: 33 ft 4 in.
Height: 16 ft 1 in.
Wing area: 314 ft2
Aspect Ratio: 5.5
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Basic Geometry
Taper Ratio: 0.68
Tail Scrape Angle: 23.1°
Wetted Area: 1045 ft2
Tail Span: 16.6 ft
St/Sref: 0.22
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Weights
Empty Weight: 8982 lbs
TOGW: 14000 lbs
Max Fuel: 537 gals (3222 lbs)
Wpayload/TOGW: 0.1283
WFuel/TOGW: 0.2301
Wing Loading: 28.5 lb/ft2
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Neutral Point
CG approx. 10 ft from nose
Neutral Point = 14 ft
Cm/CL = -0.5272
Load split for trimmed cruise: 67.7 % on wing
32.3 % on tail
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Propulsion System
Pratt-Whitney R-2800-18W DoubleWasp 18 cylinderradial engine
2000 hp @ 2700rpm
(www.aviation-history.com)
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Aerodynamic Data
NACA 2415 Airfoil
t/c = 15 %
(otterpop.sbay.org)
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Aerodynamic Data
28.365L/Dmax
0.2759CL at L/Dmax
Weight = 9000 lbs
22.212L/Dmax
0.3523CL at L/Dmax
Weight = 11491 lbs
18.233L/Dmax
0.4292CL at L/Dmax
Weight = TOGW = 14000 lbs
Using cruise speed 182 mph at sea level and assume straightand level flight (L=W)
23.985L/Dmax
0.326CL at L/Dmax
Using the FRICTION (Very Rough Estimate) and Cruisespeed 182 mph at sea level
CALCULATED PERFORMANCE
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Control Surfaces
0.354b/bREF
0.2197S/SREF
RUDDER
0.365b/bREF
0.062S/SREF
AILERONS
0.46b/bREF
0.223S/SREF
FLAPS
0.941b/bREF
0.6028S/SREF
ELEVATORS
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Armament
Six .50 calibermachine guns
2 1000 lb bombsOR 8 5 in. rockets
(www.aviation-history.com)
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References
Swinhart, Earl (http://www.aviation-history.com/vought/f4u.html)
Tillman, Barrett. Corsair, The F4U inWorld War II and Korea. NavalInstitute Press, (1979)
Mason, William(http://www.aoe.vt.edu/~mason/Mason_f/MRsoft.html)