An experimental investigation of air cargo densities and some other operational factors related to transport aircraft fuselage design. - Page 93 |
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7 A
Shape of the cargo compartment* One consideration
pertaining to the shape of the eargo compartment is that ofji
i
the length to width ratio. From a materials handling j
standpoint, a length to width ratio of ahout four to one is
the most desirable to shorten the distance between the
front and rear loading doors.Q7 Also the wider cabin will
allow a greater freedom of movement and is conducive to
faster loading times. Then too, a wide cargo compartment j
provides the accessibility necessary to facilitate loading ji
and unloading operations at intransit stations without |
causing extensive load shifting due to the necessity of j
balance limitations of a longer aircraft fuselage with
i
correspondingly longer moment arms. !
j The matter of aircraft balance begs some explana- j
;tion. An aircraft must be kept within certain balance
!1
limits in order that it may perform as it was designed to ;
ido. These balance limits are expressed in terms of a per- 1
; centage of the mean aerodynamic chord of the wing as comiputed
by the designer. Balance computations of a cargo
load are expressed in terms of moments (distance of the
i 'cargo from the reference datum x weight of a specific piece
, of cargo) or by the formula: Moment = arm x weight. In
! ^Lt. Col. Ben W. Hunsaker, nA Transport Aircraft
j Evaluation System,w (unpublished report to the Commander, j :Military Air Transport Service, United States Air Force,
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| Title | An experimental investigation of air cargo densities and some other operational factors related to transport aircraft fuselage design. - Page 93 |
| Repository email | cisadmin@lib.usc.edu |
| Full text | 7 A Shape of the cargo compartment* One consideration pertaining to the shape of the eargo compartment is that ofji i the length to width ratio. From a materials handling j standpoint, a length to width ratio of ahout four to one is the most desirable to shorten the distance between the front and rear loading doors.Q7 Also the wider cabin will allow a greater freedom of movement and is conducive to faster loading times. Then too, a wide cargo compartment j provides the accessibility necessary to facilitate loading ji and unloading operations at intransit stations without | causing extensive load shifting due to the necessity of j balance limitations of a longer aircraft fuselage with i correspondingly longer moment arms. ! j The matter of aircraft balance begs some explana- j ;tion. An aircraft must be kept within certain balance !1 limits in order that it may perform as it was designed to ; ido. These balance limits are expressed in terms of a per- 1 ; centage of the mean aerodynamic chord of the wing as comiputed by the designer. Balance computations of a cargo load are expressed in terms of moments (distance of the i 'cargo from the reference datum x weight of a specific piece , of cargo) or by the formula: Moment = arm x weight. In ! ^Lt. Col. Ben W. Hunsaker, nA Transport Aircraft j Evaluation System,w (unpublished report to the Commander, j :Military Air Transport Service, United States Air Force, |
