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Aircraft Design Assignment Report: Mission-Based Design, Market Analysis & Performance Improvements

You are expected to submit a PDF summary report detailing the aircraft design process you’ve developed. The report should be structured with clear sections, contain updated improvements (highlighted in a different font colour), and include appendices for supporting material. Plus a CAD Design.

Full Report Structure & Instructions

Introduction (½ Page) – [8 Marks]

Include:

• Mission requirement (e.g., range, capacity, speed)
• Design process (logical sequence of design steps)
• Predicted performance:
  • Payload (kg)
  • Range (nm)
  • MTOW (kg)
  • Cruise Mach number
  • Take-off field length (m)
  • Wing area (m²)
  • Wing span (m)
  • Total thrust (kN)

 Tip: Pull this from Assignment 3 and highlight any updates in a different colour font.

Market Analysis (½ Page) – [10 Marks]Include:

• Short analysis of your aircraft’s market
• Supporting data table(s) ➝ place in Appendix A

Tip: Market research should align with your mission requirement.

Sizing Process (1 Page) – [12 Marks]

Include:

• Brief explanation of how you chose your design point (W/S and T/W)
• Sizing diagram
• Comparison plot (your design vs. competitors)
• Supporting equations ➝ place in Appendix B

MTOW Process + Payload (½ Page) – [10 Marks]

Include:

• Explanation of how MTOW was estimated
• OWE vs MTOW plot
• Payload breakdown ➝ as a table in the main body
• Supporting equations ➝ Appendix B

Cabin Design (1–1½ Pages) – [10 Marks]

Include:

• Your cabin design concept
• Decisions made during the phase (layout, capacity, comfort, etc.)
• Images cropped from Assignment 4 drawing ➝ place in Appendix C

Wing Planform (1 Page) – [10 Marks]

Include:

• Factors considered in your platform design (no equations)
• Resulting platform diagram

 Reference: [EG2100 Wing Planform Tutorial.pdf]
Covers: sweep angle, taper ratio, crank design, MAC location, etc.

Tail Sizing + Scissors Diagram (1–1½ Pages) – [10 Marks]

Include:

• Scissors diagram
• Description of HTP sizing & tail volume coefficient
• Fin volume coefficient (with justification)

Reference: [EG2100 Tail Sizing Tutorial.pdf]

Engine Selection (½ Page) – [8 Marks]

Include:

• Justify engine choice
• Scaling calculations (if adapting existing engines)
• Must align with the thrust requirement

GA Drawing – [12 Marks]

Include:

• General Arrangement drawing in Appendix D

Concluding Remarks (1 Page) – [10 Marks]

Include:

• Reflection on the design process
• What informed your decisions
• How knowledge of:
  • aerodynamics
  • propulsion
  • structures
  • flight dynamics
  • control systems
    …would help in later stages.

References Section

• Add any textbooks, academic sources, aircraft data, or tools used.
• Place this before the Appendices.

 Appendices Checklist

• Appendix A – Market analysis tables
• Appendix B – Supporting equations (sizing, MTOW, etc.)
• Appendix C – Cropped cabin drawings
• Appendix D – GA drawings

 Marks Breakdown – Summary

 Source: [Marks Breakdown – Final Report.pdf]

 Helpful Resources & References

• Wing Design Concepts & Diagrams:
  [EG2100 Wing Planform Tutorial.pdf] – explains MAC, taper ratio, sweep angle, and crank design
• Tail Sizing with Scissors Diagram:
  [EG2100 Tail Sizing Tutorial.pdf] – includes formulas, diagrams, and design criteria
• Aircraft Design References (External Links):
  • Raymer, D.P. Aircraft Design: A Conceptual Approach – Book overview
  • Roskam, J. Airplane Design Series – Book series
  • Boeing/Airbus data – Boeing Airplane Characteristics

Final Notes

• Highlight any new changes from Assignment 3 using a different coloured font.
• Submit a single PDF file on Moodle.
• Ensure diagrams, plots, and tables are labelled and neatly presented.

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