Evening star. [volume] (Washington, D.C.) 1854-1972, 1908-04-26

distribution from all known models, sup
posed to yield thirty-f1ve horsepower for
lob pounds weight: and. according to
Paris gossip. the keeping Of this motor
secret. while he still improves 1t. explains
Esnault-Pelteri secrecy in flying.
There remain Delagrange. Pisohon.
Vuia and Gastamhide- Mangin. The two
latter, being single planes. need less force
to keep in the air. OF all the very recent
trials, the ~Gastamhide- Mangin winged
boat has shown the best flyer; but ir-
regularity is the weak point of its motor.
a practically unknown mark brought in
from Belgium. / hear that they have.
like De La Vaulx, the promise Of one
of the c. firm; but here is the crux:
The only Paris aeroplanes that currently
stay in the air long enough to test q
motor for improvement are the double
Now do you perceive the deadlock? The
A. firm has been studying aeroplane
motors for two years back. Up to very
recent date. indeed. 1t had produced q
fifty-horsepower for its strongest; for the
built for Santos bird Of Prey has never
worked with any regularity. At first no
one knew what force was needed. Far
mans aeroplane was calculated for the
weight and force Of hfty-horsepower. The
Their has enough force to permit 1t
to take up more water than for. say. four
minutes. after getting up speed on the
ground.
Farman Has First Choice.
1t is still more the case with Pischoff's
double-plane machine. He built it rather
heavy: and the nominal fifty-horsepower
A. motor. antedating that OF Farman's
earliest flights. gives it but bounds and
jumps.
80 A, fvnA IN
motor; and until a type Is hit on, the
manufacturers-if only for their credit
turn them out one at q time de. there
is one that is the latesO. Do you think
they will trust it to Pischon II they can
get Delagrange or Farman?
Delagrange and Farman. you may say,
are one. Farman owes SO much to the
Delagrange aeroplane; their models are
so alike; and Farman has 30 coached the
Paris sculptor that his flights are very
has flown q mile and q quarter in. say.
three minutes. Had he more force he
would fly farther, longer: yet. not being
born aerial gymnast." he will never
injure Farmsn's prestige Therefore Del
new motors. after Farman.
Meanwhile May is the date when young
NJ. Vuia is to take delivery of the best
c. motor that great Arm will have COM
bined for aeroplanes, unless Farman or
Delagrange step in. at the last moment.
and demand 1t. In that case. he or De Ia
Vauix will get the second. or the third.
Motor Force Lacking.
Long cramped by lack OF capital. M.
Vuia was nevertheless the first in Europe
to have attempted with an apparatus
large enough to lift a man the direct
throwing into the air OF an aeroplane
mounted on wheels and propelled by mo-
A. Ia
showed them how to ny with small lift
ing rudder descend to regain balance. roll
on and mount in the air again. Vuia held
the peculiar record OF rising and de-
scending without damage to his machine.
It is true that his descents were not to
regain balance. but were forced on him
by his insufficient s. compressed gas
motor.
The whole history of the vuia Bat
although sinsie-p'sns- m be summed 9n1n.
Lack Of motor force on the one hand.
lack Of motor regularity on the other:
this is the whole Paris aeroplane story:
but 1t must be noted that the Wright
brothers do not concede this sublime I'm
portance to the motor.
When the Wrights were in Paris they
were admirably close-mouthed: but now
and then they let q few words drop: ana
they caused wonderment and consterna-
ton.
I'm the Wright style Of nying.'' my in
formant tells me. you use ali your mo-
tive power to rise immediately high into
the air: you do not try. to skim close to
man. Being we'll up In the air. the
Wrights can actually stop their motor
and soar downward like a vulture at the
slightest possible angle. gaining great
OF coming down suddenly. Therefore, tenn |
porary motor Irregularities seem not to
trouble them"
Yes" I said.
Wright Significant Order.
1T seems to be just the reverse with |
Faxman and Delagrange.'' he continued.