with the machine upside down. This exhibition shows that the age of perfection has

on. It correctly represents the achievement of the aviator, and it probably voiced

the same newspaper pu

th by the overturning of his machine at an altitude of 300 meters.

used a stock machine which was strongly braced to support the inverted

hich has many imitators, and while those remarkable exhibitions are going on

re they of any value, and wherein do th

taken to improve the type of flying machines for the past five years. They possess the same

hine. Men have learned, some few of them, to perform peculiar stunts, such as looping the loop, the side glide, the

use everything has its use in a certain sense, but if we are to judge from the progress of inventions in oth

f machines can be handled in such a remarkable manner, they must be, indeed, perfect!

orthy, because it gives a false impression, and it is remarkable that even certain scientific journals hav

so well that he can, with ease, ride a machine which has only a single wheel; or he can, with

gling with a machine, the same as he manipulates bal

perfection. It has been the history of every invention that improvements were brought

ty, nor does it in any manner prove that it is correctly built. It is simply and solely a juggling feat-somet

s of that kind of flying have the effrontery to claim that they prove anything of value in the machine itself, except

, and maintains, so it is asserted, the weight of the machine. This is true during that period when the loop is being made. The evo

Flying up

or. In position 1 the tail is practically horizontal. In fact, in all machines, at high flight,

ward plunge, and when the machine has assumed the vertical, as in position 3, t

rear end of the machine down, and as the horizontal line of flight is resumed, in an inverted positio

the great momentum thus acquired, together with the pulling power of the propeller while thus in fligh

ned. Flights of sufficient duration have thus been made to prove that convex, as well as concave surfaces are efficient; neverthel

the concaved wing is desirable, as will be explained, but for high sp

d contests are of more importance to the spectators on exhibition grounds than stability or durability. Builders pa

t is valuable for scouting purposes, and attempts have been made to use it commercially. But the unreliable charact

the attempt is made to make a machine with high speed, which, in the very nature of things, operates agai

imits of speeds are fairly stated as being within thirty and eighty- five miles per hour. Less than thirty miles are impossible with any type of plane, and while so

rt showing R

nger factor. Speed machines are dangerous, not in flight or at high speeds, but when attempting to land. A large plane surf

passenger service there must be an assurance that it will not overturn, or that in landing dange

less campaign is being waged to go faster and faster, and the addition of every mile abov

enough to merit a paragraph; but such an accomplishment would be of far more value than all of Pe