The sun. [volume] (New York [N.Y.]) 1833-1916, 1894-04-22
MEN In THE AIR SHALL FLYl
so BELIETEs MR. BhRGRATE. VINO M
PERIMENTS IN AERIAL MITIGATION.


Eseourneine Results OF Labors ~ H,s Ho-s
IN New south wsiss-Vvinerd Machines
Thnt Propei The mselvss Through The AIR
Steam snd Co~presred Az 80 Motors.
In the attempt to solve the problem Of aerial
navigation. experimenters have approached
the subject from two directions. One class
has taken the large soaring bird as model on
which to work. and has endeavored to con-
struct wings for soaring. The experiments OF
Herr Otto Lllienthsl OF Berlin. with stationary
wings and m vable steering gear. have been
described In THE Sun. Herr Lilienthal after
years OF EXPERIMENTATION sucoe eded in con-
structing q continuance by means Of which he
scared against the wind in an undulatlng
course, swooplng down. rising to a height
equal to his starting place. lowering. and then
swoopinR down again. His longest flight was
1880 feet On a smaller scale Mr.. Will
liam A. Eddy OF Bergen Point N. j..
has made very successful experlm ents
with small aeroplanes discharged from great
height to which he raised them By means OF a
kite. They were dismissed at q height OF
1000 feet and travelled 5000 feet from Der
gen Point TO Centreville. A great many other
experiments with aeroplanes have been made
with varying success They have done much
o advance aeronautical science. but all have
been experiments In soaring or wind sailing
rather than flying. no machinery being used
as motive power
The other class OF experimerters have mt de
machinery the chief factor in their attem pts.
They are aiming at making machines which
shall fly by motive power which shall be stored
in the machine. These experimenters are
treadinR a path In which many havo fallen.
No fewer than seventy-two failures. according
to Mr.. Octave Chanuto. the leading authority
In this country on aeronautics. form the his
tory OF such attemp pts. and until recently there
have been no attempt that could really be
called successful to balance the record Of dis
sster. Now success appears to be at hand.
Tho man to. whom those interested In the
lawrence .Harcrave Of stanwell Park. clifton
New South Wales. Mr.. hargraye is almost
unknown to The general public. Entirely On:
taken time to make public the results. Of his
work. and on the few occasions when he has
South Wales he has confined himself strictly
to an elucidGtion OF the construction OF his
Of the details Of his eXperiments. This Is not
,or laGk OF en-, sSnthnsbiss% TOR he s almost
every inch q progress IN the science 10
mentors. Nor is it because he. has no success
grave. has made no less than eighteen flying
machines which have flown. 1t is sim ply that
his whole time and energy are given up to per-
fecting the work that he has begun. He Is
sure OF ultimate and complete success
Success Is dead sure to come" he writes In
machine OF the future will not be born fully
hedGed and capable OF a flight for 900 miles
or So Like everything else. IL must be evolved
gradually. The first difficulty is to get thing
that will fly at all. When this 10 made. a full
description should be published as an aid to
others. Workers must root out the ideas that
by keeping the results OF their labors to them
selves a fortune will be assured to them.
Patent fees are so much wasted money. Ex-
cellence, OF design and workmanship will
always defy competition"
What MIR. Hargrave terms the first difficulty
he has already overcome and his work now 10
toperfect the machines which he has invented
OF these machines seven are propelled by flap
ming wings and the others by screw propellsrs,
the wings giving in general the most success.
full results. Compressed air aud steam both
have been used as m olive power.
The Illustration shows n com pressed air n.y.
Ing machine recently made by Mr.. Hargrave