Technical Aspects of the 1934 International Touring Competition (Rundflug) Page: 7 of 34
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N.A.C.A. Technical Memorandum No. 760
side), and has two doors which also serve as emergency ex-
its. Dual control, detachable. The tail surfaces are
welded steel-tube structures covered with fabric. The
landing gear, of the pyramid type, comprises oleo-pneumat-
ic shock absorbers.and wheel brakes.
PZL 26.- This is a scaled-up version of the PZL 19 of
1932, designed in the Polish State Airplane factory (Panst-
wowe Zaklady Lotnicze). It is a three-place, cantilever
cabin monoplane of metal construction (figs. 5a and 5b).
The wing, also covered with light metal, is fitted with
slots and split trailing-edge flaps and can be folded.
The fuselage provides for row seating, so as to keep the
diameter to a minimum. Dual control, detachable cabin
cowl. The fuselage is of welded steel tubes covered with
fabric, as are the tail surfaces. The landing gear is of
the cantilever type; the wheels are fitted with brakes and
carefully faired in.
Aero A 200.- This airplane, designed by the Czecho-
slovakian airplane firm Aero, may be looked upon as a new
version of their 1932 entry (figs. 6a and 6b). It is a
braced low-wing cabin monoplane. The wing is of the two-
spar type, covered with fabric, foldable, and fitted with
slots and trailing-edge flaps. The fuselage, of welded
steel tubing, is fabric-covered. The cabin, with dual con-
trol, seats four. The landing gear consists of oleo legs
and wire bracing. Wheel brakes are provided.
Breda BA 39S.- This is the modified BA 39 of the 1932
race (figs. 7a and 7b). A braced low-wing monoplane, it
has a third seat (one behind the other) and a new wing
type of structure (Breda-Mazzini slotted wing). In front
of the ailerons and the flaps is a form of slot known as
the Breda-Liazzini wing valve, on the development of which
the company has been working for ten years. These are
passages right through the wings, whose lower openings
are closed by movable sections of the wing. The wing is
of wood, has two spars, and is covered with fabric. The
fuselage is of steel tubes covered with fabric. The cabin
fairing is in three pieces, hinged to serve as entry. The
tail surfaces also are of steel tubes with fabric covering.
The landing gear is of the independent faired type with
long-travel shock absorbers and wheel brakes.
Breda BA 42.- This is a scaled-up version of the
BA 39S but with a different airfoil section and bracing
system (figs 8a and 8b). The fuselage has a low cabin
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Schulz, R. & Pleines, W. Technical Aspects of the 1934 International Touring Competition (Rundflug), report, December 1934; (https://digital.library.unt.edu/ark:/67531/metadc63467/m1/7/: accessed May 22, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.