We will now assume that you have become proficient enough to warrant
an attempt at the construction of a real flying machine—one that will
not only remain suspended in the air at the will of the operator, but
make respectable progress in whatever direction he may desire
to go. The glider, it must be remembered, is not steerable, except to a
limited extent, and moves only in one direction—against the wind.
Besides this its power of flotation—suspension in the air—is
circumscribed.General Outline of Curtiss' Main Framework.
[Description: Black and white illustration: Diagram of aeroplane.]