1. Weight and Balance Joey Giangrasso
This is a study tool developed by Joey Giangrasso as part of the development training for CFI certification under the supervision of Joseph J. Zubay, CFI.

2. Weight and Balance Safety Calculating Center of Gravity (CG)
Loading configurations

3. Safety
Stay within the limitations

4. Center of Gravity Location in airplane where all forces are balanced
All three axes pass through CG
String analogy

5. CG Range
Check it out one time

6. Weight at a Distance Origin (Place to Start) Weights are known See Saw
Middle
Weight on both ends

7. INSERT PICTURE HERE

9. Airplanes Datum Line=imaginary line of reference
Arm=distance from datum (Inches
Weight=measured (pounds)
Moment

10. More Terms Gross Take Off Weight max weight at take off
1 gal AvGas = 6 lbs
1 gal Oil = 7.5 lbs
Basic Empty Weight normally includes unusable fuel and full oil (Early 1970s)

11. Equations Moment=Weight x Arm Center of Gravity = Total Moment
Total Weight

12. The Table CG=Total Moment/Total Weight=_______________ Limitations
Forward _________(CG or Mom) Aft ______(CG or Mom)

13. Two Charts Used to determine moments Table Line Graph
READ EVERYTHING ON THE CHART FIRST
Figure 35
Table
Line Graph

14. Two Charts Used to determine moments Table Line Graph
READ EVERYTHING ON THE CHART FIRST
Table
Line Graph

17. SAMPLE 1 Basic Empty Weight (B.E.W.) 2015lbs Moment 155,400
Front 200lbs
Back 100lbs
Fuel 24gals

18. AND THE ANSWER IS…..
CG=79.75
Total weight 2479
Total moment 197,720

19. Two Charts Used to determine moments Table Line Graph
READ EVERYTHING ON THE CHART FIRST
Table
Line Graph

25. Sample 2 B.E.W 1350 lbs Empty Moment 51500 inch-lbs Front 200lbs
Back 200lbs
Fuel 30 gals
Oil 15qts

26. And the answer is….. Total moment 81800 Total weight 1945
Within limitations…..YES

27. Forward and Aft Loading