2-30-5 
CALCULATING THE REW (RECOVERABLE EMPTY WEIGHT), THE NRW (NET RECOVERABLE WEIGHT) AND THE CENTER OF GRAVITY 
Page 2-33 Jul 01/2005 
D623N004 
 
Figure 2-12 MAJOR COMPONENTS, WEIGHT AND CENTER OF GRAVITY (Continued)  
COMPONENT  UNIT WEIGHT  MOMENT ARM  
POUNDS  KG  INCHES  CM  
NOSE GEAR, FORWARD, EACH NOSE GEAR, AFT, EACH  30 13  13.6 5.9  303.6 365.2  771 928  
POWER PACKAGE ENGINE AND NACELLE (BELOW THE STRUT)  
ROLLS-ROYCE RB211-535C  10,329  4684.0  921.1  2340  
ROLLS-ROYCE RB211-535E4  10,775  4886.6  923.0  2344  
PRATT AND WHITNEY PW2037  10,149  4602.7  918.0  2332  
APU, INCLUDING EXHAUST DUCT AND GENERATOR  563  255.3  1,926.3  4893  
LANDING GEAR  
MAIN (WHEEL, TIRE AND BRAKE ASSY)  4,213  1910.7  1,110.0  2819  
NOSE  1,390  630.4  385.0  978  
WHEEL AND TIRE ASSY, NOSE  105  48.0  391.0  993  
WHEEL AND TIRE ASSY, MAIN, FWD  250  113.4  1,089.0  2766  
WHEEL AND TIRE ASSY, MAIN, AFT  250  113.4  1,134.0  2880  
FLIGHT CONTROL SURFACES INBOARD TRAILING EDGE FLAP ASSEMBLY (WHICH INCLUDES THE  
FILLET FLAP), EACH OUTBOARD TRAILING EDGE FLAP  1,030  467.0  1,161.6  2951  
ASSEMBLY, EACH  1,116  506.0  1,197.1  3041  
AILERON, EACH  136  61.7  1,260.0  3200  
RUDDER  314  142.4  1,907.0  4844  
VERTICAL FIN  1,693  767.8  1,815.0  4610  
STABILIZER, EACH  1,478  670.3  1,865.0  4737  
ELEVATOR (WITHOUT BALANCE PANELS), EACH  163  73.9  1,927.0  4895  
FUEL DENSITY = 6.7 LB (3.04 KG) FOR EACH U.S. GALLON  
CENTER WING TANK, *[1] 6,860 GAL (25968 LITERS)  45,960  20853.0  981.1  2492  
 
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