Word: lightest
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...aero engines seems to consist in improvement of existing features, with gradual changes only. The strongest steel alloys are used throughout. Many parts are made totally of duralumin. The valve mechanism of the overhead type is driven by a cam system and placed in a housing of the lightest possible construction. The cylinders are of larger bore and shorter stroke than the old Liberty motors so that the height of the motor is diminished. The exhaust valves working in the terrific heat of the outgoing gases are cooled by a column of oil forced under pressure through the stems...
...pilot chute" -an umbrella-like contrivance with spring release-rushes easily out of the container, catches the wind and hauls the main chute out in a second or so. The great supporting surface opens up in an instant. Carefully arranged silk shrouds, made of Japanese silk (the strongest and lightest of textiles) pass continuously from a ring on one side of the harness to the parachute itself and back to the harness again. The pilot sits, then, as if in a swing. He can prevent oscillations, can steer to a certain extent, can avoid trees, buildings and can be almost...
...Stafford, who will probably start at the pilot position, although Coach Fisher still considers Cheek a possibility, the Crimson has an energetic quarterback capable of inspiring the team to its greatest. He will be the lightest man on the field this afternoon, but so quick and shiftly that as a broken field runner he is a formidable threat...
...obvious that such adventures must be discussed by the most suavely proficient of players in the lightest and most sophisticated of moods. Laura Hope Crews as the Duchess, Leslie Howard as the Professor, Marion Coakley as the daughter and Vincent Serrano as the butler lend just those touches that make the whole thing possible. Despite their silken methods, the purple patches of the play are as dull as they are daring, while the rest of it is light comedy in its most advanced and animated state...
...chemical distinction between atoms is governed by the number of charges in the nucleus, which is the same as the number of electrons in its system. Hydrogen, the lightest known element, has one charge and one electron, like the earth and moon...