, 1875-07-25
NAVIGATING THE AIR.

| ventor Expects to Accomplish. :
| lseo FORK Tribune, July =.
". F. Schroeder, whose novel invention il
| the shape Of an Air-ship asserted to be
| entirely undr the control Of its engineer,
| has been martioned in the Tribune recently,
| was in this city yesterday exhibiting his
| model and drawings, and consulting With eng1-
neers. The Machine il in the form Of q l1fe-
boat. supported by balloon. and propelled and
steered in ths desired direction By apparatus
like that in ust in marine vessels. The bolt iB
IS feet 10 lcneth by about 10 feet In breadth Of
beam. 1ts ribs are OF three~qnarter inch wire,
and each is capable OF bearing strain OF 8, 410
pounds. Over the wire framework attached to
the ribs ia stretched canvas boilod u oil, 30 as
to be impervicus to both water and sir. In each
end OF the boat is steel-rod OF mast, % feet
high, which il securely braced By stays from
every part sf the vessel. Each mast terminates
above in a atrong cap Of wire Frame.
work, Fhich enciccies at either
end the point OF the egg-shaped bal
loon. which is tins alwsys carried aloue with the
weasel, never dragging behind or swayine from
it's position, no matter how high the rnte OF
speed maybe. Around the middle of the bal
loon passesa strong girdle. attached to the bal
lobn Ut poiuta only feet apart From this de-
Rcend ths numerous carving ropes which sun
port tho car The strength OF the balloon s insured
bv m aggregate OF 81 miles OF netting, capable
OF bearing strain Of 81, 900 pounds. with this
arrangement. II tho balloon should burst
which, it ,s :tainled is beyond the limit Of prob
abi1ity-the firm girdle, secured 1T the ends to
the masthads would only allow The bottom of
the balloon 10 float up forming IN immense par
achute. the buoyancT OF which would cause
SLOW descent i'll spiral direction.
The great Obstacle to succeHs in aerial locomo-
ton heretofore has been the rotatorY tendency
OF the bal1c3n, which, 80 long ~ onlv one motor
1es employed, vas an iusuperabe difficulty.
81
ton. But itoocurred to AIR. Schroeder that il pro-
pu1sion coun be effected both before and behind
bv one power pushing and another pulling, tho
rotation void be got rid OF, and then Guidance
would be comnaratiyelv easv matter- To
accomplish his he Las put At each end OF the
boat propeller of two bIades-eo that bg
placing thin, hoEi2ontallye ne can settle
his boat aetunon the ground each biads con-
Btructed OF Rire and canvas, and Is feet long By
~ feet broad These propalers when
working toiesher. act the one to null and the
other to nah the ship forward. They will BE- !
able to max. over 1900 revolutions per minuts. |
At each endof the ship to 4 large ru1dsr and
these when worked together stand at angles or- |
posite to each other, 30 that they
act at bth ends, turning tho stern
ono way md = The bow the other. IA this |
disconnected, the prorollers can |
both work ii ono direction, or IN opposit direc-
tfons, and, . they arc reversible, l1eadway can |
be made eqnllv vell In either direction. But |
this is no. atl. On each hide of the boat is
fastened By hinges wing 81 feet long bv IS |
feet vide front and 10 feet vida behind
which is oncavo on the inner snrface. It
is set at an ausle declining slightly to-
ward the 'front.' and haps un and down |
At the rate, under fni1 speed Of 100 or TO |
strokes minute. It workB on the principle OF T
the bird'a wing. catching the air in the hollow
te,tt to lift the machine, bnt 40 the
wing ia slightly inclined forward, the resultant
Of this p:essurs upon the sngIe Of in-
clination 3 tendency to push for
ward. whih is no little help to the nro-
pellere. TAi' apparatus. by being carefully
force Of tbs Wind and it's resistance. will also
enable the at-ship tn STAND sttl1, which would
mike It very niuable as means of military OBJ
The machinery will be oper,ted by
fery light, strong bydranlle engine of +
.bout eight-'orse power, to be built esrecia1lv
or tbs purpose. The balloon win hold
lbout 81. .000 cubic feet OF gas, and pt;ll allowed
III needed rom for expansion; but to provids
gainst possible lack OF gas q gas generator Of
onssant suoly: In case Of q leak little
'aIoons snenred with bird lime will be
ent up inside the great gl.be, which.
'eing anckn into the leak ana sticking
here, will sop it completely. Only such
icht-to bemeasured by the barometer-wilt It
e attemptat 10 reach as will carrv the aeron-
uts above turricaues aud thunderstorms. Ina
till air it ia claimed thst speed Of fully 70
1'les an h.ur csn be obtaided wht1e far
rea&er ve1oGtv can be reAched with a favorable t
ounds and freight to tbs amount OF 120g0 |
onnds can le carried under ordinary conditions
Immediately after Mr.. 8chroeder's return to !
aftimor- tie contract will be let by him ana
'eorge ". Gail Of the firm Of Gail d Ar OF Bal
more, his ,artner, and it il expected thet the
viii II A1u INV ArrT - |