New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1904-02-07
zERLAL FLIGHTS.
a7se Fgrst Self Propelled 4eropiane
To Cn-Tv a Man Successfully.

rneuen Wilbur ana orvIIle wright have been
sr4sv<,v exper7nenting for q considerable period
Nc the aeropiane for aerial navigation. they have
be~u fortunate enough 20 avoid Observation ano
r-fticisn until they were ready 70 take the puDno
I,fn their confidence These brothers live at Day
re- otio. most OF the year. but during the sum
snsrs OF 1900 and 1902. and again IN October. 1Pa
mr. were quietly working IN G secluded place on
rhs North Carolina coast. The scene OF rneir opsr-
atoms was about four miles from Kitty HAWK
<he-e the United states Weather Bureau has
srssson TIE success achieved on the occasion OF
sha,r latest attempt has been insaeauately re-
t,orted by the prose- that the particulars now sup
s,iec by them in the pages OF the Independent
WI be welcomed by everybody Interested IN thM
so-1 OF adventure
The Ohio men frankly admit thai they have oeen
r,-rulv following up the work OF Eo-r Otto
tGienfhal as Chsnute unc Pitcher have done but
khey have gone step further. Beginning IN
about 1890 ldienthal made short. nearly hor1oonta
flights with Hight framework 10 which were So
lired widely extended. stationary Wings 11e also
had n rueder 10 steer 10 the right or the left In
tsmuch as the sustaining influence ot the air upon
such a mechanism is chiefly exercised only while
kt IS moving IaIenthal would acquire heanway al
she outset by running a few steps. u was also
necessary TO start from some elevation. Ike
e,ousetop or low Cliff because there would be a
allow gradual descent after launching. This sort
hf flight was called sliding Prior 20 his death
(which resulted from accident 70 one OF MS ma
rhfues Iflionthal made about TWO lnouhanQ euCh
rourrlcys through the air. In a Few cases he man
rod o. cover 900 feet before landing During the
sirne De was al work he changed the shape OF his
snachiuo but the principle remained the same
Eventually DE intended 10 add a motor and screws
a. p-oDei him. but De did not live 20 carry that
,,,,~,oes into eject The forward impetus for his
Hiehts was derived first 10 running and then by
EraHltatlon.
when the wright brothers went 10 Kitty Hawk
sn 1902 .hov began by trying 10 ny their machine
rfr,.- rra aff mud q
a. tho aeroplane go uD under the influence of
she wind which often blows At the rate OF fifteen
or twenty miles an hour in that locality In sum-
sner In the subsequent attempts the operator
pnly one man tried the apparatus at time
would make his start In such a way rs 20 face
she wind thus securing an additional lifting effect
(which would not Doe felt ln q calm lsenthal hgng
klar roeitor. The Wrghts decided that hori-
tontal one was preferae because less resls' .
ChanEe OF programme made necessary another
sThe operator could not run with his machine when
bid OF TWO assistants vas necessary ~ lauachns.,
snents the XIII Devil sand hill. which rises
gully one hundred feet above the beach and slopes
rpray 20 the northeast at angle Of ten degrees:
Ia dozen attempts were made when the WIND had
sssoSeessfri NetheT operator ncr machine was
hurt when they landed. although their speed was
FThe aerorlane always obeved its helm beautifully
while aloft. and its stability was perfectly main
With the renewal Of experiments n 1892 a change
lTtth single horizontal plane. and later adopted
f1he double deck style Of construction. Thus he
lateral and longitudinal extent The Wrights fol-
Sw tS 5 5i5re sa aefopsae ana IN i they operated
with two. Their machine in the latter year meas,
.red thirty-rwo feet from tip 10 tip sideways, and
Tlve feet fore and aft The total area seeiree
was sos square fcct The mont fnooeI. ltbeII
horizontal and designed TO affect the leve! AZ
which the Night was made. had an aTea. of -
Fifteen square feet The vertical tan originally hao
q spread Of twelve square feet. but this was
Tfterward reduced ona-llalf.
WI, hog- WIFI
lsRain more especially % ascertain whether the
sfrvvarn trend OF q breeze blowing up gentle slope
LSrould ernbarrass flight. Having satisfied them
try gliding. Among the changes made IN the &C.
- - sse -,dae-~ Failure - remember this led
40 a startling EurDrise on one occasion pul -
fesults were not serlou. ~ 9Iler 10 i.l.Se 7
irlose 20 the ground. J1xccut FOR single accident
THE results IN 1872 were highly gratifying Inward
soslS feet This was made so rapidly that Il re-
ruiret only ~ seconds. g..
autumn was that Che machine was rrone.l eo hy a
lcuEoiene motor coU71ln of C0Eclo-lng 10 hor9.
power. Inc eieh.e ai'-' 49, 80 80. - 49,.
khe whole apparatus. ircluqiE mol,e ~ t'n,,I
weighed over 200 The FABRIC was p colIl-'l Ae,
she dimensions this time heing 90 by 20 feat =
efart Effected last autumn ny running n sIHI1
distance over "a level one-rnile track There wofe
fwo screws one I'm the rear. afr;'lgec 20 rotate y
other placed underneath. revolving I'm "a hor zont2l
siaue and giving n Nftng effect when oeslTea
,ech ~ tho br't hc~e Tho longest FLIGHT f0r
over haIf milo Tho enond dcveloDed wnS cstl-
.gs,tee 6e;ye'n ~ ana d, 1,.r an nrds-.s a- sSe
1sud or was relative 90 tho wind the narrator
.-ifs r-nrh i~ demonstrated hv the latest efforts
a. tho V~irrt lrCt'o-s; Swing mach.r6. based or
she prircirics 81 tFe acr'nla1. car i5aae !.
-aire man rr- q ef- and 1ar8 '-f ef~rresfuly
-rhoy have triumuhol where La1-lcy failed.