Graphical Method to Predict Aircraft Component Weight – Military Aircraft

This extended section presents statistical data on military aircraft component mass in graphical form, as illustrated in the following figures.

Figure 8.5. Military aircraft fuselage mass Figure 8.6. Military aircraft wing mass Figure 8.7. Military aircraft empennage mass Figure 8.8. Military aircraft engine mass Figure 8.9. Military aircraft undercarriage mass Figure 8.10. Military aircraft system mass

8.14 Semi-empirical Equation Methods (Statistical) – Military Aircraft

This extended section presents military aircraft mass estimation semi-empirical rela­tions derived from theoretical formulation and refined with statistical data. The sec­tion is divided into subsections, each with a step-by-step discussion of workflow, as shown below by their titles.

8.15.1 Military Aircraft Fuselage Group (SI System)

8.15.2 Military Aircraft Wing Mass (SI System)

8.15.3 Military Aircraft Empennage

8.15.4 Nacelle Mass Example – Military Aircraft

8.15.5 Power Plant Group Mass Example – Military Aircraft

8.15.6 Undercarriage Mass Example – Military Aircraft

8.15.7 System Mass – Military Aircraft

8.15.8 Aircraft Furnishing – Military Aircraft

8.15.9 Miscellaneous Group (MMISc) – Military Aircraft

8.15.10 Contingency (McONT) – Military Aircraft

8.15.11 Crew Mass 8.15.12 Fuel (Mfuel) 8.15.13 Payload (MPL)

8.15 Classroom Example of Military AJT/CAS Aircraft Weight Estimation

This extended section of the book presents details of a worked-out example of Advanced Jet Trainer (AJT). The section is divided into subsections, each with a step-by-step discussion of workflow as their titles (below) show. The associated table is listed.

8.16.1 AJT Fuselage Example (Based on CAS Variant)

8.16.2 AJT Wing Example (Based on CAS Variant)

8.16.3 AJT Empennage Example (Based on CAS Variant)

8.16.4 AJT Nacelle Mass Example (Based on CAS Variant)

8.16.5 AJT Power Plant Group Mass Example (Based on AJT Variant)

8.16.6 AJT Undercarriage Mass Example (Based on CAS Variant)

8.16.7 AJT Systems Group Mass Example (Based on AJT Variant)

8.16.8 AJT Furnishing Group Mass Example (Based on AJT Variant)

8.16.9 AJT Contingency Group Mass Example

8.16.10 AJT Crew Mass Example

8.16.11 Fuel (Mfuel)

8.16.12 Payload (MPL)

8.16.13 Weights Summary – Military Aircraft

Table 8.9. AJT component and weight summary

8.16 CG Position Determination – Military Aircraft*

This extended section of the book presents the methodology adopted to determine aircraft CG. The section is divided into subsections, each with a step-by-step discus­sion of workflow, as their titles show. The associated tables are listed.

Table 8.10. Typical values of component CG locations – military aircraft

8.17.1 Classroom Worked-Out Military AJT CG Location Example

This subsection includes Table 8.11.

Table 8.11. Typical values of component CG locations – AJT

8.17.2 First Iteration to Fine Tune CG Position and Components Masses

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