New-York tribune. [volume] (New York [N.Y.]) 1866-1924, 1914-03-08
,orostable Machine Said
Mot TO Infringe Upon
Wright Patents.
pI AN ELIMINATES
LATERAL CONTROL
r;,oted Wings Are Operated
automatically to Keep Plane
on Even Keel.

,.;,g closely Orville Wrishts state
=, that his attitude on the royalty
..,,on would stimulate inventors ana
COR progress in aviation comes the
,rcement Of r. x. Grant or Nor
y, that he has successfully hown
noD.infringing aeroplane. Grant who
., the McAlpin Hotel, Is a member OF
.,,orican Institute OF Electrical En-
lie has been working on the
.Ai,o for three years. but did not have
,o,ont applications in the proper shape
., make an announcement earlier
-,. statement was given yesterday 70
.,..o,sut,cs." and drawings Of the ma
o-o nm file i'm the office OF that pub
LII, The new plane. which is known
Grant Acrostable. Is patterned TO
=. .xtent on the old Langley type ana
a. on the tandem order. The prlncipie Oh
..,oratc stability is Incorporated IN the
.oh,nA which eliminates lateral cohlroi
% Oar as the operator is concerned
rro nIancs are located in front ana ono
=, che rear OF the machine, and the rear
- carries its share Of lift This IS
-, as the principle of "three-point
.'.,oreion Mr.. Grant asserts that the
,-,ft differs from all others in physical
.,s mechanical principles IN that the
lighting is caused laterally by a shiitihs
action Of tho pressure.
The wings OF the machine are plNoleu
o, polnt forward OF the centre or pres
cure so that when the wind hfts one
.,4,,. the pivoting arrangement causes
,b. othcr wing to be depressed auto
raticalv. bringing the machine at once
:, on even keel. The whole angle of in
cis.nce may be changed at the VIII OF
the aviator.
Grant makes many claims for his new
vyer and states that he expects TO bring
the machine 10 New York this spring for
demonstration. lie said last night that
he has flown at tho rate of eighty mics
an hour against a twelve-mile wind. ana
that during the fight the weight carried
vas five and one-half pounds to the
,onare foot OF surface. The norma
Weight of the machine is l,4oo pounds.
noint in regard to how much flying
boats arc affected by motor boat regu-
lstons was settled yesterday by letter
received by the Acronauucal Society
from D. j. Dougherty. secretary OF the
board OF supervising inspectors OF the
steamboat Inspection Service. The let
ter said:
Referring 10 your letter of February
:. 1914. signed by Z. l.. Jones. secretary
f7closins a set or rules governing tho
operation OF aircraft on water. YOU are
Informed that this matter has had the
attention OF the board or supervising in
spectors. and the board has concluded
that it has no Jurisdiction over any craft
while same IS uayigated in the air, but
when such qrt uayisates in the water
&, IS subject 'u- present rules.
Commenting upon the letter. Mr.. Jones
taia:
Last year the subject Of aerial travel
vas brought 20 the attention. OF the So
cety, and the organization put itself on
record in favor Of governmental registra-
,lon OF aircraft and licensing Of operators.
Trs Aero club Of Pennsylvania had
sfu along those lines introduced in Con-
rress, Endorsed by the Aeronauucal So
ccsv This bin IS in committee still.
IN the matter OF flying boats and n.y.
tro- acceptance the outlook was more
hopeful. for motor boats already were
Under federal supervision and no special
act was needed TO place flying boats and
hydro-aeropanes under the same condi-
tors as motor boats. The motor boat
associations are awakening TO the posi-
tl,tes Of tho fying boat and they are
expecting 10 conduct many sporting
events IN the near future