New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1875-07-22
NAVIGATING THE AIR.

THE SCHROEDER COMBINA ION OF AfK-SHIP AND
BAILooN-MACHINFRY FOR PROPULSION AND
sTrHRING-wHAT THE INVENTOR EXPECTS 10
ACCOMPLISH.
w. F. Schroeder, whose novel invention III
the shape airsp asserted to be entirely under Tue
control Of its engineer has been mentioned ID TIE
UNE recently, in this city yesterday cAhpihns MS
model and drawings, and consulting Win ehShecrs
The machine is in the form of life-boa supported py
balloon and propelled aud eteered In the desired diec-
ton by apparatus like that in use In marine vessels
The boat is 90 feet in length by about 10 rect III
breadth Of beam. It's ribs are OF threequar'er lncn
wire and each is capable OF bearing strain oi Sfo'
pounds over the wire framework attached 10 TIC ios
ia stretched canvas boiled in OIL TO be impervious
70 both water and air In each end OF the boat see
rod or mast % feet high which is securely braced py
stav from every part of the vessel Each mast erni-
ates above in strong cap Of wire framework winch en-
circles at either end the point OF the ceehacu p"i
loom which thus always carried along WIN TUG 'essi'
never dragging behind or swaylng from Jus pos'o"'
no matter how high the rate OF speed may pe'
Around the middle of the balloon passes strong grde'
attached TO the balloon at points only two ieet apart
From this descend the numerous carrying ropes "ncn
su,,ort the cor The strength OF the balloon rs nsfeu
by an aggregate Of SD miles Of netting capaple o p'"
ing strain OF $4,000 pounds. With this arrangement il
the balloon should burst-whch 1t ~ claimed IF o!"
the limit of probabilitythe finn grdc, secured ~ 'he
the balloon float up, forming an immense parachute
IN, Iuovancv of winch would causl slow descent III "a
spiral direction. -,
The great obstacle to success IN aerial locomot"n here
tofoe has been the rotatOry tendency ol the pdo"'
which, so long only one motor was c9p"!eu' war 81"
insupcrablc difficulty. The aeronaut coud not steer
against This rotation But IL occurred to MY schroeder
that If uroulsion could be effected both before and be-
hind by one power pushing and another pulling, the
rotation would he got rid Of and then guidance "ou''
he comparatively easy matter 10 aceohp"'"
this he has nut at each end Of the boat pro-
pcllcr of two blades that by pmche 'h'"h
horizontally he can settle his boat Nat upon the
crouud-each blade constructed Of wire and canvas ana
- feet long by Az broad. These propeIers wheh
working Together act the phil and the other 10
psh the ship forward They Will he able to make over
200 revolutions per minute Al caci emu Vi 'ho snip II
a large rldder and these when worked together sahu
nj ang es opposite TO each other 50 tha hcy ACT a p"
ends turning the stern one way and the DOW the oier'
A this machinery is disconnected, the propeers can
both work in one direction in opposite directions ana
as they reversible, headway can be made c9'ag
well in either direction But this Is not al On eac sue
Of T. boat fastened by hinges wing 90 iec' 0E ny
feet wide III front and 10 feet WIDE Dehd Moh Is
coucaye on the surface IL Il sci at an angie de-
ot The rai,-inder f spced-of 100 or 40 strokes Il
minute. II works on the principle or the piii wing
catching air in the hollow beneath III the DOWNWARD
stroke The upward pressure tends 10 III lle mdcihc
but the wing is slightly inclined forward, the res"it
cucv 10 push forward. which IL 10 Ittc holp 10 me pro-
pcllcrs This apparatus, by being fully regulated 80
as 10 create between the force of the WIND ana
lis resistance win also enable the aiI-sip 10 stand SILL
which would make it very valuable as a means oil NH
iary observation. .
Tie machinery will he operated by very light, strong
hydraulic engine of about eight,horse power 10 5' pun
especially for the purpose. The balloon VIII hoid
about sOO00 cubic feet of gus, AMI sill al
low all needed for expansion; but TO
provide against q possible lack Of gas gas gen
orator of large capacity will he Kept on hoard 10 keep
III, constant supply. In of leak litlc balloons
nrr with bird lime will lie sent mp nsi" tie gr. at
alobc which, hene sucked into The leak and st'ckinS
there will stop completely. Only such higt-to he
measured by the bafomt teI-wil 1t he attempted 10
reach rs viii carry tie acIOnaus above hurricanes ana
thunder in still air il is claimed that speed oI
fully 20 miles hour be obtained, while Tar greater
yol0city can reached Will favorable wind. The Whole
ar-yesy will weigh $500 pounds and freight 10 The
amount OF 1900 pounds can be carried under oIdl-
nary conditions.
Immediately after Mr. SchrOeder's return TO Baltimore
the contract viii bc let by him ami Geo W. Gail of the
firm Of Gail AK OF Baltimore, his partner aud
il is expected that tie vessel will be ready by Aug H.
at cost of -, 600 10 $4,000. The inventor VIII 20 first
to Washington and thence in turn to New ork, PhEi
dclpha and baltimore, when, IL ne has had The success
of which he is confident he VIII make proposals 10
I'm, { ,OV,Ium,ut carry mails 10 Europe.