Computer Testing Supplement for IA.indb - Aviation Supplies ...

NOSE SCALE
464 LBS.
TARE 10 LBS.
Weighing
Point
Scale
Reading #
EXHIBIT 13
Empty weight and empty center of gravity—nose-wheel type aircraft
COMPUTED
WEIGHING POINT
(C NOSE WHEEL)
L
L, MEASURED
Reference for formula, Figure 13.4.
DATUM (LEADING EDGE OF
WING ROOT SECTION)
D, MEASURED
Datum is the leading edge of the wing (from aircraft specification)
(D) Actual measured horizontal distance from the main wheel
weighing point C Lmain
wheel) to the Datum
(L) Actual measured horizontal distance from the rear wheel
weighing point (C
L
rear wheel) to the main wheel weighing
point 67.8"
Tare # Net
Weight
Right 609 5 604
Left 620 5 615
Front 464 10 454
Empty Weight (W) 1673
LEFT SCALE 620 LBS., TARE 5 LBS.
RIGHT SCALE 609 LBS., TARE 5LBS.
TO FIND: EMPTY WEIGHT AND EMPTY WEIGHT CENTER OF GRAVITY
SOLVING: EMPTY WEIGHT
C.G.
WEIGHING POINT
(C NOSE WHEEL)
L
SOLVING: EMPTY WEIGHT CENTER OF GRAVITY
Formula: C.G. = D - F x L = 34" - 454 x 67.8 = 34" - 18.3" = 15.7"
W
1673
FIGURE 13.6—Empty weight and empty weight center-of-gravity—nose-wheel type aircraft.
34.0"
3-27