The automobile terms spelled with first letter QQuadrant A sector shaped stationary part, consisting of a portion of a circle with radial supporting arms, employed to guide the motion of a control lever and to hold it in any desired position. See gear shifting quadrant, brake latch, throttle lever and spark lever. Quartz Powder Finely pulverized quartz or silica used as an [...]  |
The automobile terms spelled with first letter YYoke A forked or U-shaped operative or structural part, e. g., that part of a clutch operating device (q. v.) which acts against the clutch collar and clutch spring to effect disengagement. Yoke End See clevis. |
The automobile terms spelled with first letter WWalking Beam See rocker arm. Warp (v.) With reference to the heads of gas engine poppet valves (see valve, poppet), to distort under the expansive influence of the heat to which they are subjected, so that they no longer fit gastight upon their seats. Wash (v.) With reference to the elements (q. v.) and separators [...] |
The automobile terms spelled with first letter V.V-Belt A leather or fabric belt of blunt V-section, adapted to run upon pulleys with V-shaped grooves. The belt is either notched upon its working face or built up of overlapped layers of leather to give it flexibility. Such a belt may be run quite loose without serious slipping and is sometimes used to drive [...] |
The automobile terms spelled with first letter T.Tachometer A device for continuously indicating speeds of rotation. Its principle is identical with that of the speedometer (see speedometer, centrifugal type, and speedometer, magnetic type). It reads, however in revolutions per minute instead of in miles per hour, and its drive shaft is usually directly connected to the shaft the speed of which is [...] |
The automobile terms spelled with first letter U.Underpan See sod pan. Unit Coil See coil, unit. Unit Power Plant The combination as a single rigid structure of a vehicle motor and all transmission parts other than the final drive mechanism. To the rear end of the motor crank case is bolted the front end of a yoke or housing supporting the clutch [...] |
The automobile terms spelled with first letter SSafe Starting Position That position of the timer (q. v.) and spark lever (q. v.) of an ignition system corresponding to a timing of the spark sufficiently retarded so that the danger of the operator’s receiving a back kick (q. v.), when cranking the motor, is obviated. Safety Loop A metal loop attached to and [...] |
The automobile terms spelled with first letter R.Race (v.) In a gas motor: To rotate at excessively high speed unloaded; all the mechanical energy developed being dissipated in friction among the parts and in internal losses in the parts resulting from abnormally severe inertia stresses. Race In a ball bearing, a single line of balls and the parts they roll upon. Rack [...] |
The automobile terms spelled with first letter PPasted Plate See plate, pasted. Pedal, Adjustable A pedal, so constructed that its length and sometimes its inclination and that of its footpiece (pad) may be adjusted to suit the convenience of operators of widely differing stature. Peen (v.) To change the form of a malleable metal by causing it to flow slightly under repeated, [...] |
The automobile terms spelled with first letter M.Magnet A mass of iron or steel or of certain other less common materials which is endowed with the property of attracting to it pieces of these metals, and which, when freely suspended, tends to place itself in a definite relation to the direction of the earth’s magnetism. Magnet, Horseshoe A magnet formed of a [...] |
