Deseret evening news. [volume] (Great Salt Lake City [Utah]) 1867-1920, 1907-12-07
fVFRENCH FLYER
! PIERCES THE AIR
aeyroplane' Differs
', ,..n Most Machines in Using
percopter Principle.
-, AMPLE LIFTING POWER.
.,.r. Revolve in Opposite D'rc'-
'''' sou.-ro Make Horizontal
Mechanism.

% " rbicb have been brought out
ni.lls ,,a, aeronauts, on the Continent
" F'u'Ds I've been OF the aeroplane
Ct '', another type is the combination
g !, small dirigible balloon ana one CO.. or
q -onlapes placed beneath It, This
ivo'''.,t a. also heavier than air
rills a.de TO soar by the action OF
90 - There have been but few
Dc w.. of the Mapping wing type
.-..'ructed as yet stun ano'ner Torn, "a
''s sr.r and one which is OF great IN
o. I. ,s the helicopter, in which the
s,'' ..,,o, Is brought about by two
l. .,eotal propellers reVolIihs ~ Oppv
hoTA9,. .'-tions. Up to the present,
sie uhe al not seem 10 have had
spccess with this form OF Ila
u .i.o Ind recently new iiyer mas peeil
snll,,bt out IN France when y 70 vs.
1 sv sei,copter principle. II II az pres-
l .r The first stages OF ehpeIltllen,'
eA 81. ne inventors have ALREADY uen il,'ll.-
". ,.5 that it has ample littlhs poWer
ilat ~ IN the air vertically ana AT Iue
w.. lime 90 lift a man: IL low
sa N adapt a propelling heChan-
ha'" (, the liver in order 10 make II
kL borizontally, and this the inNeh-
.i I., r,orose 20 do in the next stage OIL
The experiment.
PLAN OF MACHINE.
-. nam aver was built at Roubaix'
la proelict establishment, under the
y l- y, N Messrs. Louis and Charles
g .l-,,sf and Prof. Richet IL diners
hl,s.,,'n, from what has been con-
$500 mn 10 the present, both as 70
y. LAS involved and also In the exc
tS ~ I'M this case the lifting action
s-''',,,,,e5 bv the reaction upon the
y attained from four gyratory sys-
q. Sscb Of which consists OF eight
-.i..,,s aeroplanes. A motor placed
y .so -enter of the apparatus Is con-
- through horizontal shafts ana
- g.srs 10 the four vertical shatts
n ~ revoiving aeroplanes, and those
.n sriven al the same time. tach
Z, AZ gyratory systems consists OF
,,,,or and "A lower horizontal roo
rtsd I'M "A vertical tubular smart
.,1 connected together by NerlicaI
s-,css At the outer ends or the rods
az mounted small aeroplanes whlch
,ivs fhe whole the appearance OF hu-
.srnosed four bladed propelerb OF
iorse diameter l26ia feeD. The nven-
80 Claim that on account Of their
,,..isl arrangement they utilize the
,--,sroric action OF the revolving aero
sisres which. they claim further gives
,5s machine perfect automatic stabih-
ID, In tbe air. Al any rate, the applica-
non nj The gyroscope principle TO an
sor,oiane Is OF interest and many leao
III some very practical results For
tbis reason the inventors give the
name 'gyroplane' to the present APP
psratns
MECHANICAL DESIGN.
A. 10 The mechanical design Of the
~ bdicopter. the present apparatus Is
-s,sly drst experimental form made
4 orlsr 10 demonstrate the lifting pow
q ne main frame OF steel tubes
rbl,h farries the whole is built in the
I'M Of a 81. Andrews cross. In the
rdiIs part is mounted the gasolene
sa5r which 81 of the extra light
,sigbt eight-cylinder, N-type, capa-
a N developing a maximum of 40
nrserover. The aeronaut's seat Is
,arsi below the motor, and above II Is
s,7fed the g4sOlene tank. At the four
m M the long horizontal tubes that
zlsnd ont from the motor are placed
/ Inn vertical shafts fitted with casters
/ Al fheir lower ends and carrying tubu-
/ 81 sleeves 10 which are secured the
horizontal rods OF the eight aeroplanes
TWIN PLANES USED.
To- use twin planes is said to give
better equilibrium in the air There
M % surfaces divided into four set'
ma giving a total area for the flyei
1 ~ square feet. They are driven al
sped OF As revolutions per minute
nd describe a circle OF 26iz feet. cor
Fs1oadlng to "a speed OF S6ia feet pei
scond at the center Of action. Thu
bal weight OF the flyer when mounted
g 40 areonaut representing l54 pound
ii@ pounds The motor weighs 81
olnis ln this case. In the trials O
Of lifting power % was found that a
\ De above speed OF the planes the ap
\ aniu could rise in the air and keel
.saIt on the ground at a height of
fF feet, but as Il was not eQuippel
MA steering devices II was considers
laRise 90 make any more than a dem
.nsdluon Of the lifting power. am
,hr'iore the helicopter was held d.
-al sl as TO prevent IL from rlsin
slar When the motor was slOWe
Gown the machine settled down on IN
siolhi very easily and without shocks
y a'o.d amy accident from a false ma
slFtr. the lifting test was limited {
F minute but there IS no douh
nal j. could Doe kept In the air for
eAs Time under the same conditions
NJ inventors have thus proved IN
IIN NI fH.|T fhanrfae ra 40 thu arsrf,