Structural Details of the Giant Dornier Seaplane "Do X." Page: 2 of 30
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NATIONAL ADVISORY COMMITTEE kw1~ I ~S
TECHNICAL MEMORANDUM NO. 546 G 4$
STRUCTURAL DETAILS OF THE GIANT DORNIER SEAPLANE "Do X."*
By Corrado Gustosa.
In July, 1929, the 6000 hp giant Dornier seaplane, already
known by its abbreviated name of "Do X," was successfully
launched on Lake Constance and made its trial flights. These
flights were of perfect regularity and of increasing length on
successive days and demonstrated that the new seaplane was free
from defects and ready for use.
On the fourth day Balbo and General Crocco participated,
as guests of the builders, in a half-hour's flight around the
lake and reported a very favorable impression of the giant
seaplane and of its controllability. On the sixth day it made
numerous take-offs with a full load of 48,600 kg (107,144 lb.),
equivalent to three loaded railway cars. This made a power load-
ing of over 8 kg/hp (17.6 lb./hp), since the engine power was
about 6000 hp. This event must be considered as a milestone in
the history of aviation. It is the first airplane of large car-
After these successful flights we have gladly granted the
request of the "Rivista" for a brief description of the struc-
tural details of the new seaplane which we have followed in its
development from'the beginning, with the aid of the illustrative
* "Particolari Costruttivi dell'Aerovascello Do X," from Rivista
Aeronautica, October, 1929, p.84-113.
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Gustosa, Corrado. Structural Details of the Giant Dornier Seaplane "Do X.", report, January 1930; (digital.library.unt.edu/ark:/67531/metadc277413/m1/2/: accessed November 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.