When the main plane dips downwardly on the port side, a
reverse action takes place, with the like result of restoring the
main plane to an even keel. In order to correct forward and
aft dip of the main plane, fore and aft balancing planes (20)
and (23) are provided. These planes are carried by transverse
rock shafts, which may be pivotally mounted in any suitable
way, upon structures carried by main plane. In the present
instance, the forward balancing plane is pivotally mounted in
extensions (21) of the frame (22) which carries the forward,
manually operated, horizontal ascending and descending plane
It is absolutely necessary, in making a turn with an aeroplane,
if that turn is to be made in safety, that the main plane shall
be inclined, or "banked," to a degree proportional to the
radius
of the curve and to the speed of the aeroplane. Each different
curve, at the same speed, demands a different inclination, as is
also demanded by each variation in speed in rounding like
curves. This invention gives the desired result with absolute
certainty.
The Sellers' Multiplane.
Another innovation is a multiplane, or four-surfaced machine,
built and operated by M. B. Sellers, formerly of Grahn, Ky.,
but now located at Norwood, Ga. Aside from the use of four
sustaining surfaces, the novelty in the Sellers machine lies in
the fact that it is operated successfully with an 8 h.
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