All machines have what is called a GLIDING ANGLE.
"The Mastery of the Air" by William J. Claxton
It glided at angles of descent of 10 or 11 degrees or of one in five, and this was deemed too steep.
"Flying Machines" by W.J. Jackman and Thos. H. Russell
It means gliding downward in a series of acute angles.
"Dick Hamilton's Airship" by Howard R. Garis
An angle of the creek hid the hull, then it glided into view.
"The Riddle of the Sands" by Erskine Childers
They glided as far as the acute angle of the Rialto and turned back.
"On the Eve" by Ivan Turgenev
It glided right off at a angle amid the trees.
"Verner's Pride" by Mrs. Henry Wood
Rip turned and angled off as fast as he could glide.
"Rip Foster in Ride the Gray Planet" by Harold Leland Goodwin
They often glide into a mole's "angle," or hole, if found in the open.
"Nature Near London" by Richard Jefferies
With these wings she has the gliding angle of a kitchen sink.
"Spacehounds of IPC" by Edward Elmer Smith
They had no gliding angle.
"Space Platform" by Murray Leinster
***
Since our prefabric layers of strands meet at right angles and the symmetry groups with which we shall be concerned here all have parallel axes of reﬂection or glide-reﬂection in two perpendicular directions, the lattice units can be either rectangular or rhombic.
Isonemal Prefabrics with Perpendicular Axes of Symmetry
***