DIMENSIONS AND AREAS

民航发表于 2011-6-13 12:21:59

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民航发表于 2011-6-13 12:26:41

1. General A. This chapter contains information on principle dimensions for the wing, ailerons, flaps, horizontal stabilizer surfaces, vertical stabilizer surfaces, and body; areas for the wing and tail surfaces; and station diagrams for the wing, vertical tail surfaces, and engine nacelle. B. Abbreviation terms used in defining the dimension, areas and stations are listed in the following paragraphs. 2. Abbreviations A. The airplane is divided into reference planes, designated as stations, waterlines and buttock lines, measured in inches. This provides a means of quickly identifying the location of components, the center of gravity and the distribution of the weight. (See figure 201.) B. Body B STA Body Station. The plane perpendicular and measured parallel to the body centerline from a point 130 inches forward of the nose. BBL Body Buttock Line. The plane measured perpendicular to the body vertical centerline plane, BBL 0.00. BWL Body Waterline. The plane measured perpendicular to a horizontal plane located 148.5 inches below the body, BWL 0.00. BRP Body Reference Plane. The horizontal plane, Body Waterline 208.1, at the top surface of the floor beams. C. Vertical Stabilizer Fin Sta Vertical Stabilizer Station. The plane perpendicular to the centerline of the vertical stabilizer rear spar. Distance is measured from Fin Station 0.00, the intersection of the leading edge line extension and the fin waterline 0.00.
Fin WL Vertical Stabilizer Waterline. A horizontal plane measured parallel to a Body Waterline. Fin Waterline 0.00 is Body Waterline 300.50. Fin LE Sta Vertical Stabilizer Leading Edge Station. A plane perpendicular to the vertical stabilizer leading edge, measured from the fin leading edge station 0.00, the intersection of the leading edge line extension and the vertical stabilizer waterline 0.00. Rud Sta Rudder Station. A plane perpendicular to the rudder hinge centerline, measured from Rudder Station 0.00, the intersection of the rudder hinge centerline and vertical stabilizer waterline 0.00. D. Horizontal Stabilizer Stab Sta Horizontal Stabilizer Station. A plane perpendicular to stabilizer chord plane and plane of stabilizer rear spar, measured from stabilizer station 0.00, the intersection of the leading edge and stabilizer buttock line 0.00. SCP Stabilizer Chord Plane. A plane through the trailing and leading edges of the stabilizer airfoil. Stab BL Horizontal Stabilizer Buttock Line. A plane perpendicular to stabilizer chord plane and parallel to the trace of a body centerline. It is measured from stabilizer Buttock Line 0.00, the intersection of stabilizer chord plane and body buttock line 0.00. Stab RS Horizontal Stabilizer Rear Spar. A principal spanwise transverse member of the stabilizer wing structure. Stab LE Sta Horizontal Stabilizer Leading Edge Station. A plane perpendicular to the horizontal stabilizer leading edge, measured from the Stabilizer Leading Edge Station 0.00, the intersection of the leading edge line extension and stabilizer buttock line 0.00. Elev Sta Elevator Station. A plane perpendicular to the elevator hinge centerline measured from the intersection of elevator hinge centerline and stabilizer buttock line 0.00.
E. Wing MAC Mean Aerodynamic Chord. The chord of a section of an imaginary airfoil on the wing which would have vectors throughout the flight range identical to those of the actual wing. WCP Wing Chord Plane. A plane through the trailing and leading edges of the wing airfoil. WRP Wing Reference Plane. The outboard rear spar plane projected inboard. W Sta Wing Station. A plane perpendicular to wing chord plane and plane of wing reference plane (Outbd. RS), measured from intersection of extended leading edge and wing buttock line 0.00. WBL Wing Buttock Line. A plane perpendicular to wing chord plane and parallel to the trace of a body centerline. It is measured from intersection of wing chord plane and body buttock line 0.00. FS or RS Wing Front Spar or Rear Spar. A principal spanwise transverse member of the wing structure. FSS or RSS Front or Rear Spar Station. A plane perpendicular to wing chord plane and plane of the front or rear spar. F. Nacelle Nac BL Nacelle Buttock Line. A plane parallel to a wing buttock line. Nacelle buttock line 0.00 is equivalent to wing buttock line 191.00. Nac WL Nacelle Waterline. A plane 1° 38' down from the wind chord plane, measured 32.250 inches down from the wing chord plane at nacelle station 63.47 the plane is Nac WL 100.
Nac Sta Nacelle Station. Distance measured parallel to nacelle CL from a point 63.47 inches forward of the nacelle. TR Sta Thrust Reverser Station. Distance measured parallel to thrust reverser centerline on a plane perpendicular to thrust reverser centerline from a point 92.92 inches forward of the thrust reverser. TRWL Thrust Reverser Waterline. A plane 3° up from nacelle waterline. Thrust reverser waterline 100 intersects nacelle waterline 100 at thrust reverser station 96.47
PRINCIPAL DIMENSIONS AND AREAS 1. General A. Dimensions are included for the wing, ailerons, flaps, horizontal stabilizer surfaces, vertical stabilizer surfaces and body. Areas are included for the wing and tail surfaces (Fig. 201). 2. Dimensions A. Length (overall) - 100 feet 4 inches B. Width (overall) - 93 feet C. Height (vertical stabilizer tip, top of fairing to ground) - 37 feet D. Wing: Root Chord (theoretical, at body centerline) - 288.09 inches Basic Chord (theoretical) - 185.60 inches Tip Chord (theoretical) - 63.29 inches Platform Taper Ratio Tip Chord/Basic Chord - 0.34 Tip Chord/Root Chord - 0.22 Dihedral (wing chord plane with respect to body reference plane) - 6 degrees Incidence - 1 degree Sweepback (25 percent chord line) - 25 degrees Aspect Ratio - 8.83 Mean Aerodynamic Chord (basic wing only) - 134.46 inches Body Station at 0% MAC - 625.60 E. Ailerons: Span - 109.57 inches

bocome 发表于 2011-7-30 19:58:46

DIMENSIONS AND AREAS

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DIMENSIONS AND AREAS