Aeroplane. Page: 3 of 4
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UNITED STATESPATENT OFFICE.
HARRY R. DECKER, OF HOUSTON, TEXAS.
AEROPLANE.Specification of Letters Patent.
Patented Mar. 25,1913.
Application Aled April 3, 1911. Serial No. 618,605.
To all whom it may concern:
Be it known that I, HARRY R. DECKER, a
citizen of the United States, residing at
Houston, in the county of Harris and State
5 of Texas, have* invented certain new and
useful Improvements in Aeroplanes, of
which the following is a specification.
My invention relates to new and useful
improvements in aeroplanes and has more
10 particular relation to the motor and pro-
pelling mechanism therefor.
The object of the invention is to provide
a device of the character.described equipped
with an engine of the type known in the art
15 of engine construction as the Gnome engine,
and which is bodily rotatable, relative to the
supporting frame therefor, and whose cylin'-
ders are so arranged as to radiate from a
common center, and are provided with wings
20 or blades which serve as lifting, or as driv-
ing propellers, the function of said blades
depending upon the position of the engine
in the frame of the aeroplane. If the plane
of rotation of the engine is horizontal the
25 cylinder blades are disposed so as to perform
the function of lifting propellers and if the
said plane of rotation is vertical the said
blades serve as driving propellers, the com-
plete engine serving, in either case, the pur-
so pose of a gyroscope to stabilize the machine
and prevent the same from capsizing.
With the above and other objects in view
my invention has particular relation to cer-
tain novel features of construction, opera-
35 tion and arrangement ofparts, an example
of which is given in this specification and
illustrated in the accompanying drawings,
wherein:-
Figure 1 is a plan view of the engine
40 showing the radiating cylinders and their
appendant wings or blades. Fig. 2 is a side
elevation thereof showing the propeller
shaft and the propeller carried thereby, said
engine and propeller being shown in the re-
45 lation they will sustain to each other when
the engine is mounted to rotate in a plane
which is vertical, relative to the frame of
the aeroplane. Fig. 3 is a side elevation of
an aeroplane showing the motor mounted
50 therein so as to rotate in a horizontal plane
and operatively connected with the propeller.
of the machine, the plane and certain other
appendants of the machine, not being shown.
Referring now more particularly to the
55 drawings, the numeral 1 refers to the mainframe of the aeroplane which is supported,
when not in air, upon the runners 2.
The numeral 3 refers to the motor or en-
gine, which is constructed after the type of
the engine well known in the art, and com- 60
msonly known to those familiar with engine
construction as the Gnome type of engine.
The cylinders 4 of this engine radiate from
a common center and the complete engineis
mounted so as to rotate bodily, relative to 65
its support, the engine rotating in the direc-
tion indicated by the arrows in the figures.
Each cylinder carries a wing or blade 5,
which is an extension thereof and is prefer-
ably integral therewith. This blade forms 70
a wing like extension from said cylinder and
inclines from the cylinder, at an angle rela-
tive to the plane of rotation of the cylinders,
each blade extending from its respective cyl-
inders in the same relative direction as the 75
other blades and at the same angle relative
to said plane of rotation, and also forming
a cutting edge to lessen the'resistance of the
cylinder with the air. It is readily obvious
that as the engine rotates these blades will 80
serve as propellers in the same manner as
the ordinary propeller blades, and if the
engine is mounted so as to rotate in a hori-
zontal plane and so that the blades will have
an upward inclination to the plane of rota- 85
tion, th'e said blades will perform the func-
tion of lifting propellers and will enable the
machine to rise from the ground much more
readily than would be the case were the lift-
ing power thereof dependent entirely upon 90
the inclination of the plane, as is the case
with aeroplanes now in common use, and it
is further obvious that the machine will be
more readily sustained in air with an engine
of this construction than it would be if de- 95
pendent entirely upon its plane as a support.
It is further obvious that if said engine is
mounted so as to rotate in a vertical plane
and so arranged that the blades will have a
forward inclination relative to the plane of 100
rotation said blades will perform the func-
tion of a driving propeller and assist in
driving the machine forwardly through the
air.
In case the machine is so mounted as to 105
serve as a lifting propeller its drive shaft 6
should be provided with a rigidly mounted
bevel gear 7 arranged to mesh with the bevel
gear 8 rigidly mounted on the propeller
shaft 9 which carries the propeller 10, the 1101,057,225.
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Decker, Harry R. Aeroplane., patent, March 25, 1913; [Washington D.C.]. (https://texashistory.unt.edu/ark:/67531/metapth853517/m1/3/: accessed July 18, 2024), University of North Texas Libraries, The Portal to Texas History, https://texashistory.unt.edu.; crediting UNT Libraries Government Documents Department.