New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1910-06-16
l[RDPLANES IN ARMY
SOON, DECLARES BELL
c,,oraI Thinks They Will Be in
IIse Within About Five or
Ten Years.
woIlLD DISPLACE DIRIGIBLE
:. Same Time Ordnance for
nestroying Aircraft VIII
Undergo Rapid De-
velopment.

General !. Franklin Bell, for
80 # staff Of the United States
nei .,o Is on 2 six-months' leave of
A''-s, u-as in this city yesterday He
&ps'-.e - command Of the Philippines
va ~ the army. sailing on De-
- : from san Francisco Asked
:. oninion concerning the prooao bic
:. .,,.r of fying machines from the point
ul'-'y - +be soldier. General Bell said:
--ansnorting considerable weight
.,pls seem probable that dirigloie
- might be more valuable IN war
,-.,,-;er-.har Observation-Disclosures yet they
no ..;aot 10 a. serious drawback IN
Roadway against a wind blow
: considerable rate the Whoie
...r,s is still in such a state OF deVel-
-, that only experiment can Work
w However. those who will bear IN
..o numerous difficulties which
-. bsen overcome by modern motor
,,.,.s IN their rapid development will
,,,,;ned 10 believe that heavier-tnan-
chimes will in the next few years
). srHciently developed TO make them
.,..h,s in navigating the air except in
- currents which can be properly
,,sssifed as storms
w.r s.-opIanes in Decade.
a-o .ysY what extent heavier than air
-..hines can be utilized in carrying
..;,s- II is. Of course, impossible to
...ssa But have personally nc doubt
~, seronlanes viii be perfected IN the
,-se Of ten years at the most, il not III
g.. that may be relied upon 10 carry
.,- three TO five persons, and possibly
I'll arnolJnt of explosives in addi-
tm
asr the time this comes about ord
-,,ce for the purpose of destroying air
,-.s. will unouestionably have been de-
r.lnnsd and balhstic tables designed TO
,,n-ro1 the trajectory Of such ordnance
,-l also have been developed. 1t should
:. understood that the science Of heavy
fur fire which has been brought to such
high state Of perfection by our sea-
mast artillery. is all based upon the
ru6r Of trajectories made by firing
rrns az z nearly horizontal angle Of
s-e and firing raortars in a nearly YER
aesl angle Of fire. but in the latter case
WITH a view Of hitting a mark which is
n the level of the earth's surface.
Air Craft Firing Inaccurate, Too.
No figuring has yet been perfected
agun the problem Of hitting objects in
tie air by this or any other nation, and
will probably be found that factors
s1tsr into the latter proposition which
| 10 not apply at all. or. II so, with much
zs O. greater degree in ordinary firing
nat has so far been perfected There is
11.hing impossible, however, about per
t-ng vertical trajectories. But the
rublem would have TO be studied and
aeoretical deductions would have 10 be
roren by much experimental firing he
rE reliable range tables could be rom-
Led and used in firing at air craft.
Owing 10 the speed at which Air craft
Il travel. the problem Of accurate
Ing al them would be considerably
1Ee difficult. but this self-same speed
sauld likewise make il difficult for per-
flaE IN the air craft 70 hurJ projectiles
nc strike the objects aimed at on the
Eoand, OF to FIRE any kind OF ord
Ance with any degree OF accuracy at
e7'ects On the earrh's surface.
Asropianes VIII unquestionably be Of
sF great assistance in making hasty
'sonnoissanoes q the enemy, but OBJ
STATIONS therefror, I imagine. would
-' be very valuable in typographical
'Feys Without any doubt, however.
ls'e vii be special telephoto lenses de-
'saeo for Photographic work at high
sTso, 50 that accurate pictures may be
1eae OF the enemy's mobilization and
asributjor o,