AIRPLANE DESIGN

1.1.      Design your own aircraft, why not?!

It is hi-tech, complicated, and I feel so challenge.

1.2.      Design process

From many reference, and experience of design other thing, I conclude, there are three main process in design airplane:

a.       Conceptual design

Figure 1. Conseptual Design Process

This process consist of:

-          Collecting data

-          Make a Matching Chart

-          Compromising the configuration

-          Determine initial/preliminary sizing

b.      Initial / preliminary design (start point)

Figure 2. Preliminary Design Process

Preliminary design  process can be classification in two major process.

1)      Initial:

o   Initial layout of wing and fuselage

o   Analizing class I: Tail Sizing, Weight and Balance, Drag Polar

o   Initial Landing Gear Disposition

2)      Reviced

o   Layout of Wing, Fuselage and Empennage

o   Analizing class II: Tail Sizing, Weight and Balance, Drag Polar, Flaps Effects, Stability and Control.

o   Performance Verification   

o   Preliminary Structural Layout

o   Landing gear Disposition and retraction check

o   Cost Calculation

c.       Detail design

 Figure 3. Detail Design Process

To get the best solution the process is never stop on those three process. The other process is analazing design. We can analize the design with data that we get from from these two process:

d.      Manufacturing / producing

e.       Maintanance

If something wrong or to far from what you expect, the result/report will be come feedback for earlier process. Example, after you producing, the airplane fuel consumption is too high, so you have to go back to detail, preliminary or even the conceptual design to make the fuel consumption is more acceptable.

1.3.      Design Tools

-          Modeling tool: tools to create mathematical model of physical properties. Example: Microsoft Exel, MathLab, DATCOM, AAA, FLUENT, X-Foil, etc.

-          Drawing tool. Example: CATIA, AUTOCAD, etc.

-          Report

-          The last but the most important: GOD Blessing J

BIBLIOGRAPHY

Raymer, D. P. (1992). Aircraft Design: A Conceptual Approach. Washington, DC: American Institute of Aeronautics and Astronautics, Inc.

Roskam, I. (1885). PART I: PRELIMINARY SIZING OF AIRPLANES. Lawrence, Kansas: Roskam Aviation and Engineering Corporation.