The Second Boys' Book of Model Aeroplanes — John Shaqi
The Second Boys' Book of Model AeroplanesCollins, Francis A. (Francis Arnold)
Science
The Second Boys' Book of Model Aeroplanes
Collins, Francis A. (Francis Arnold)
Airplanes -- Models
The flights of the English models this year are longer than those made
in America, but, on the other hand, we are solving many practical
problems of aviation, in our model building, which the English have not
attempted. Even in the case of our single-stick frames built in America,
the tendency is toward more stable construction than abroad. The best
English models would not qualify for an American model tournament, since
they could not rise from the ground.
The best American models, on the other hand, would be outdistanced in an
English meet, but their flights would show them to have far greater
automatic stability than their English rivals. It is extremely
interesting to speculate whether the American or English types of model
aeroplanes will survive, and which is contributing more to the solving
of the great mysteries of aviation, but, after all, it is a question
which only time can answer.
Compare typical flights of the American and English models, and the
contrast becomes obvious. The English model is usually held and thrown
forward. The starter thus gives it its altitude and direction. Being
extremely light, they gain a great deal from the wind. Their flights are
usually in straight lines, or in slightly undulating curves. Under
favorable conditions, their distance qualities are remarkable. Flights
of six or eight hundred feet are common, while the present record is
over 2,500 feet or nearly half a mile.
In an American model tournament, the models are set upon the ground and
left to themselves. As a rule, it is not even permitted to give them a
slight push. The motor must be powerful enough to carry them onward and
upward unassisted. In many cases they must be clear of the ground within
twenty feet or the flight is disqualified. It is, of course, obvious
that the motors must be far stronger than in the case of the English
models, and that their frames must therefore be correspondingly heavier
to support the weight. The plane surface, in turn, must be increased to
support this weight. The average English models, even with American
skids, would not leave the ground at all.
Public-domain text, read in full here on John Shaqi.
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