period of roll
51Metacentric height — Ship Stability diagram showing centre of gravity (G), centre of buoyancy (B), and metacentre (M) with ship upright and heeled over to one side. Note that for small angles, G and M are fixed, while B moves as the ship heels, and for big angles B… …
52Phugoid — A phugoid (pronounced IPA|/fjugod/) is an aircraft motion where the vehicle pitches up and climbs, and then pitches down and descends, accompanied by speeding up and slowing down as it goes uphill and downhill. This is one of the basic flight… …
53stiffness — A stiff ship is one which have a short period of roll and therefore will roll uncomfortably. See lateral stiffness roll stiffness torsional stiffness …
54stiff — [1] Not easily bent or turned. As opposed to a rigid object, a stiff object does not break when subjected to bending stress, and implies a certain degree of flexibility; a bridge, for example, is stiff, not rigid, and steel panels are inherently… …
55rolling retesting — Method of measuring a performance condition over a period of fixed length (usually three years), but allowing that period to roll over any fixed window in the life of an option or LTIP award (for example, from year three to six, or four to seven …
56tender — A tender ship is one which have a long period of roll but may list excessively in a strong wind and may be dangerous if a hold is flooded following a collision …
57rolling — roll|ing [ˈrəulıŋ US ˈrou ] adj [only before noun] 1.) rolling hills have many long gentle slopes 2.) done or happening regularly over a period of time, not all at once ▪ We recommend a rolling programme of machine upgrading …
58roller coaster — roll′er coast er n. 1) rai a small railroad, esp. in an amusement park, having a train with open cars that moves along a high, sharply winding trestle built with steep inclines 2) cvb any phenomenon, period, or experience characterized by violent …
59performing arts — arts or skills that require public performance, as acting, singing, or dancing. [1945 50] * * * ▪ 2009 Introduction Music Classical. The last vestiges of the Cold War seemed to thaw for a moment on Feb. 26, 2008, when the unfamiliar strains …
60Flight dynamics — is the science of air and space vehicle orientation and control in three dimensions. The three critical flight dynamics parameters are the angles of rotation in three dimensions about the vehicle s center of mass, known as pitch , roll and yaw… …
