Between 1909 and 1912 Eiffel ran about 4000 tests in his wind tunnel, and his systematic experimentation set new standards for aeronautical research.
Antara tahun 1909 dan 1912 Eiffel menjalankan sekitar 4000 tes di terowongan anginnya dan eksperimen sistematisnya menetapkan standar baru bagi penelitian aeronautika.