OTHER DATA
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1-10 AIRPLANE DETAILS 1-10-1 General Data
1. The model 757 airplane (see Figure 1-7 thru Figure 1-10)
A. Narrow body.
B. Medium range.
C. Twin Engine (high bypass turbofans) with two possible engines
(1)
PW2037/PW2040 Series
(2)
RB211-535 Series
2. Wings (see Figure 1-19).
A. A usual low wing.
B. Five degree of dihedral.
C. Forward edge with a 25 degree rearward angle (sweep).
D. Each wing has
(1)
Five leading edge slats.
(2)
Two trailing edge flaps, double slotted inboard, double slotted outboard.
(3)
Six spoilers ( four outboard, two inboard).
3. Horizontal Stabilizer (see Figure 1-20 and Figure 1-21).
A. Seven degree of dihedral.
B. Forward edge with a 30.2 degree of rearward angle (sweep).
C. A single span elevator.
4. Vertical Stabilizer (see Figure 1-22).
A. Forward edge with a 40 degree rearward angle (sweep).
B. Full height one piece rudder.
5. Hydraulic System
A. Three systems that operate independently.
(1)
Left-hand System , right-hand system and a center system.
(2)
Pumps driven by the engines.
(3)
Pumps energized by electrical power.
6. Conditioned Air
A. Two packs (both are the same type).
B. Packs installed forward of the wheel walls of the main landing gear.
7. Nose Landing Gear
A. A usual two-wheel gear.
B. 65 degree steering (approximate) tiller steering in each direction.
C. 7 degree (approximate) pedal steering in each direction.
D. Torsion links.
(1)
Limit tow angle to 65 degrees.
(2)
Can be disconnected to increase to greater than 65 degrees.
E.
Strut assembly.
1-10-1
GENERAL DATA
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(1)
One tow point located forward, early models also had an aft facing tow fitting.
(2)
One jack point is provided.
F.
Operation of doors.
(1)
Aligned with gear operation (swing up and down).
(2)
Connected system (slave drive) operates the doors (open and close)
8. Main Landing Gear
A. A four wheel double-axle strut assembly.
B. Retraction to the center of the airplane.
C. Tow points located at each end of the gear truck.
D. A spherical jack point is provided at each end of the gear truck.
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