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21 Mouline Twist
A fancy yarn composed of four threads doubled together. A hard twist two-fold thread is doubled with three other single threads in a reverse direction and with fewer turns per inch. These fancy yarns are also made of three threads doubled together in which case the hard-twist yarn is thicker than the others. Sometimes silk is used as one of the threads to give further character. -
22 pitch
угол установки лопасти ( винта) ; шаг ( воздушного винта) ; тангаж, движение тангажа, вращение вокруг поперечной оси; угол тангажа; интервал [расстояние] между креслами ( расположенными друг за другом), шаг кресел; совершать движение тангажа; изменять угол тангажа; устанавливать с интервалом [с шагом]put in coarse pitch — переводить (лопасти винта) на большой шаг, увеличивать шаг
put in fine pitch — переводить (лопасти винта) на малый шаг, уменьшать шаг
— in pitch -
23 Girard, Philippe de
SUBJECT AREA: Textiles[br]b. 1775 Franced. 1845[br]French developer of a successful flax-heckling machine for the preparation of fibres for power-spinning.[br]Early drawing and spinning processes failed to give linen yarn the requisite fineness and homogeneity. In 1810 Napoleon offered a prize of a million francs for a successful flax-spinning machine as part of his policy of stimulating the French textile industries. Spurred on by this offer, Girard suggested three improvements. He was too late to win the prize, but his ideas were patented in England in 1814, although not under his own name. He proposed that the fibres should be soaked in a very hot alkaline solution both before drawing and immediately before they went to the spindles. The actual drawing was to be done by passing the dried material through combs or gills that moved alternately; gill drawing was taken up in England in 1816. His method of wet spinning was never a commercial success, but his processes were adopted in part and developed in Britain and spread to Austria, Poland and France, for his ideas were essentially good and produced a superior product. The successful power-spinning of linen thread from flax depended primarily upon the initial processes of heckling and drawing. The heckling of the bundles or stricks of flax, so as to separate the long fibres of "line" from the shorter ones of "tow", was extremely difficult to mechanize, for each strick had to be combed on both sides in turn and then in the reverse direction. It was to this problem that Girard next turned his attention, inventing a successful machine in 1832 that subsequently was improved in England. The strick was placed between two vertical sheets of combs that moved opposite to each other, depositing the tow upon a revolving cylinder covered with a brush at the bottom of the machine, while the holder from which the strick was suspended moved up and down so as to help the teeth to penetrate deeper into the flax. The tow was removed from the cylinder at the bottom of the machine and taken away to be spun like cotton. The long line fibres were removed from the top of the machine and required further processing if the yarn was to be uniform.When N.L.Sadi Carnot's book Réflexions sur la puissance motrice du feu, was published in 1824, Girard made a favourable report on it.[br]Further ReadingM.Daumas (ed.), 1968, Histoire générale des techniques, Vol. III: L'Expansion duMachinisme, Paris.C.Singer (ed.), 1958, A History of'Technology, Vol. IV, Oxford: Clarendon Press. T.K.Derry and T.I.Williams, 1960, A Short History of Technology from the EarliestTimes to AD 1900, Oxford.W.A.McCutcheon, 1966–7, "Water power in the North of Ireland", Transactions of the Newcomen Society 39 (discusses the spinning of flax and mentions Girard).RLH -
24 pitch
pitch nшагpitching vизменение угла тангажаadjustable pitchизменяемый шагangle of pitchугол тангажаautomatic pitch propellerвоздушный винт с автоматически изменяемым шагомblade pitch scaleшкала углов установки лопастиbraking pitchшаг в режиме торможенияchange the pitchизменять шагcoarse pitchбольшой шагcoarse pitch stopупор большого шага(лопасти воздушного винта) collective pitchобщий шагcollective pitch controlуправление общим шагомcollective pitch control leverручка шаг-газcollective pitch control rodтяга управления общим шагомcollective pitch control systemсистема управления общим шагом(несущего винта) collective pitch indicatorуказатель общего шагаcontrol the pitchуправлять шагомcyclic pitchциклический шагcyclic pitch controlуправление циклическим шагомcyclic pitch control rodтяга управления циклическим шагомcyclic pitch control stickручка продольно-поперечного управления циклическим шагом(несущего винта) cyclic pitch control systemсистема управления циклическим шагом(несущего винта) decrease the pitchуменьшать шагdrag pitchшаг отрицательной тягиeffective pitchэффективный шагelectric propeller pitch controlэлектрическое управление шагом воздушного винтаfeathering pitchшаг во флюгерном положенииfine pitchмалый шагfixed pitchнеизменяемый шагforward pitchшаг положительной тягиhigh pitchбольшой шагhydraulic pitch lockгидравлический упор шагаhydraulic pitch stopгидравлический упор шага(лопасти воздушного винта) hydraulic propeller pitch controlгидравлическое управление шагом воздушного винтаin coarse pitchв режиме большого шагаincrease the pitchувеличивать шагin fine pitchв режиме малого шагаlatch the pitch stopустанавливать на упор шага(лопасти воздушного винта) lateral pitchбоковой кренlower pitch propellerоблегченный воздушный винтlow pitchмалый шагmain rotor pitchшаг несущего винтаmechanical pitch lockмеханический упор шагаno-lift pitchшаг при отсутствии тягиnose-down pitchingпереход на пикированиеnose-up pitchingпереход на кабрированиеnozzle pitch angle variationугловое отклонение соплаpitch angle indicatorуказатель угла тангажаpitch attitudeположение по тангажуpitch autostabilizerавтомат устойчивости по тангажуpitch axisпоперечная осьpitch changeизменение шагаpitch channelканал тангажаpitch command barкомандная стрелка тангажаpitch controlпродольное управлениеpitch control leverручка шагаpitch control systemсистема управления тангажомpitch dampingдемпфирование тангажаpitch erectionвосстановление по тангажуpitch erection torque motorдвигатель продольной коррекцииpitch exitленточная шкалаpitch gimbalрамка тангажаpitching momentмомент тангажаpitching motionдвижение по тангажуpitching stabilityустойчивость по тангажуpitch instabilityнеустойчивость по тангажуpitch limit systemсистема ограничения шага(воздушного винта) pitch lock mechanismмеханизм фиксатора шагаpitch lock passageканал фиксатора шагаpitch reversingреверсирование шагаpitch sensorдатчикpitch stabilityустойчивость по тангажуpitch stiffnessпродольная устойчивостьpitch stopупор шага(лопасти воздушного винта) pitch the nose downwardопускать носpitch transformerпреобразователь сигнала по тангажуpitch trim actuatorмеханизм триммерного эффекта по тангажуpitch trim control knobкремальера тангажаpitch trim scaleшкала корректировки по тангажуpositive pitchположительный уголpropeller pitchшаг воздушного винтаpropeller pitch controlуправление шагом воздушного винтаpropeller pitch control systemл управления шагом воздушного винтаpropeller pitch lockфиксатор шага лопасти воздушного винтаpropeller pitch settingустановка шага лопасти воздушного винтаrate of pitchскорость по тангажуreverse pitchшаг отрицательной тягиrotor pitchшаг несущего винтаseat pitchшаг креселset the propeller pitchустанавливать шаг воздушного винтаthread pitchшаг резьбыtrim for nose-up pitchingкомпенсировать кабрированиеtrim in pitchбалансировать по тангажуunlatch the pitch stopснимать с упора шага(лопасти воздушного винта) variable pitchизменяемый шагvariable pitch propellerвоздушный винт изменяемого шагаzero-thrust pitchшаг при отсутствии тяги
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