stiff shaft
41crank — crank1 crankless, adj. /krangk/, n. 1. Mach. any of several types of arms or levers for imparting rotary or oscillatory motion to a rotating shaft, one end of the crank being fixed to the shaft and the other end receiving reciprocating motion… …
42dinosaur — /duy neuh sawr /, n. 1. any chiefly terrestrial, herbivorous or carnivorous reptile of the extinct orders Saurischia and Ornithischia, from the Mesozoic Era, certain species of which are the largest known land animals. 2. something that is… …
43motion-picture technology — Introduction the means for the production and showing of motion pictures. It includes not only the motion picture camera and projector but also such technologies as those involved in recording sound, in editing both picture and sound, in… …
44(s)ker-4, (s)kerǝ-, (s)krē- — (s)ker 4, (s)kerǝ , (s)krē English meaning: to cut Deutsche Übersetzung: ‘schneiden” Material: I. A. O.Ind. ava , apa skara “Exkremente (Ausscheidung)”; kr̥ṇüti, kr̥ṇōti “verletzt, slays “ (lex.), utkīrṇ a “ausgeschnitten,… …
45(s)teg-2 — (s)teg 2 English meaning: pole, stick, beam Deutsche Übersetzung: ‘stange, Pfahl, Stock, Knũttel, Balken” Note: s. also under steig “prick” Material: Arm. t”akn, gen. t”akan “cudgel, club, beetle, hammer, club, mace, joint”,… …
46Inclined plane — This article deals with the physical structure. For related terms, see canal inclined plane, cable railway, funicular, or fixed wing aircraft (airplane). , but the inclined plane allows the same work to be done with a smaller force exerted over a …
47Drill bit — For the fictional character, see Drill Bit (Transformers). For the cancelled skyscraper nicknamed Drill bit, see Chicago Spire. For the types used in drilling wells, see Well drilling. From top to bottom: Spade, lip and spur (brad point), masonry …
48Torsional vibration — is angular vibration of an object commonly a shaft along its axis of rotation. Torsional vibration is often a concern in power transmission systems using rotating shafts or couplings where it can cause failures if not controlled. In ideal power… …
49List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
50building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
