. Automotive industries . Flexible rear engine support The frame is made of pressed steel, the channel sectionbeing 5% x 3 x * in. between dash and rear spring fronthanger, tapering to 3% x 2 in. at the rear end and 37s x2 in. at the front end. The length of the frame back of thedrivers seat is in., the width B0% in. at the frontand :!7 .» 16 in. at the rear. The front cross spring is 38 in. long, 2L. in. wide andhas nine leaves of a total thickness of 2 21 32 in. Thespring eyes are bronze bushed for IS in. shackle spring is shackled at both ends of the front axle andis trunni
. Automotive industries . Flexible rear engine support The frame is made of pressed steel, the channel sectionbeing 5% x 3 x * in. between dash and rear spring fronthanger, tapering to 3% x 2 in. at the rear end and 37s x2 in. at the front end. The length of the frame back of thedrivers seat is in., the width B0% in. at the frontand :!7 .» 16 in. at the rear. The front cross spring is 38 in. long, 2L. in. wide andhas nine leaves of a total thickness of 2 21 32 in. Thespring eyes are bronze bushed for IS in. shackle spring is shackled at both ends of the front axle andis trunnioned at the center. The shackle bolt, which is 206 AUTOMOTIVE INDUSTRIESTHE AUTOMOBILE February 3, 1921 drawn from low carbon steel, is screwed to a die cast oilcap with the cover held in place by a spring. Two piecesof felt about % in. in diameter transfer the oil from thereservoir to the bearing surfaces. The use of the front cross spring makes it necessary toprovide radius rods. One end of the radius rod has a ball. Section of shackle bolts and oil reservoir joint at the bottom of the transmission, the socket of theball joint being held in place by four bolts. The front end ofthe radius rods has a taper fit in the front axle. The use ofthis type of front spring suspension makes necessary theuse of four-point suspension for the engine, but permitsthe use of a very rigid frame, which is particularly desir- able. Four-point suspension always gives rise to the ques-tion of how the engine can be bolted down tight. The twobolts holding the rear legs of this engine are bolted downagainst the tension of heavy coil springs, which allow acertain amount of flexibility and insure keeping the legstight at all times. It is said that considerable trouble(with bodies in particular) has been caused by the use ofa flexible type of frame, and this type of suspension, whichpermits the use of rigid frame construction, is intended toobviate this trouble. The rear springs are of the conven-tional
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
