3271. Wing Mass Estimation for Trainer and Fighter Aircrafts in the Predesign Phase based on more than 100 build Aircrafts in th
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Paper
Abstract
The task is to transfer knowledge on data to the next aircraft designer generation
Solution of the Task in three steps
1) First Diagram in 1963
2) Database of 50 build Aircraft reached in the year 1972-1977
3) Database of more than 100 International Aircraft and US Aircraft reached in 2002.
1) In 1963 one diagram was found with aircrafts of the 2nd World War Period. In 1964 a collection of mass estimation procedures and mass relevant data of different international aircraft was started. Comparison of issued mass estimation formulas and equations with a common approved data file.
Problem of comparison of mass data of aircraft
a) International mass standards
US
UK
France
Germany
USSR
b) Company philosophies
c) Used Mass Standards on European Fighter and Helicopter programs
Solution of the task
a) Comparison of international mass standards
b) Transfer the aircraft mass data of a common mass standard. We decided to work with the most worldwide used Mil-Std-1374A
c) Comparison of all available formulas with 50 build aircrafts
d) Development of a new formula in the year 1972/1977
e) Continuing data collecting of international aircrafts
f) In the year 2002 data on the 100 aircraft was reached
Summary Formulas for
? Total A/C-File
? Split in Trainer/Fighter
? Different periods, different technology, etc.
