. Automotive industries . Cylinder and Crankpin Bore Diameter Bore Diameter 3 1% 5% 2% 3% 1% 6 2y4 3% 1% 6% 2% 3% 1% 7 2% 4 1% 7% 2% 4% 1% 8 3 4*2 1% 8% 3% 4% 1% 9 3% o 2 9y2 3% 10 4 All dimensions in inches. Other recommendations of the division include a setof dimensions for lubricator cups of various sizes anda table of w-ater pot or hopper capacities for engines ofvarious rated powers. Motor Truck Bodies and Front Axle Hubs The subject of motor truck body installation dimen-sions was first proposed to the Society about two yearsago and assigned to the Truck Division. The originalplan was t
. Automotive industries . Cylinder and Crankpin Bore Diameter Bore Diameter 3 1% 5% 2% 3% 1% 6 2y4 3% 1% 6% 2% 3% 1% 7 2% 4 1% 7% 2% 4% 1% 8 3 4*2 1% 8% 3% 4% 1% 9 3% o 2 9y2 3% 10 4 All dimensions in inches. Other recommendations of the division include a setof dimensions for lubricator cups of various sizes anda table of w-ater pot or hopper capacities for engines ofvarious rated powers. Motor Truck Bodies and Front Axle Hubs The subject of motor truck body installation dimen-sions was first proposed to the Society about two yearsago and assigned to the Truck Division. The originalplan was to develop a standard which would include di-mensions for the mounting of bodies on trucks and alsoframe widths, distance between spring centers, wheeltreads and turning radii. A Subdivision was appointedwhich obtained considerable data on the practice at thattime. The original program has been reduced so that thisproposal includes only dimensions for the stringers,bolsters, distance from the back of the seat to the center. Sucsil/ orStringer F (Subsill) = (Q + Chain Clearance) —B Nominal Capacity, Tons BodyBolster (B) LengthBack of Seat to Endof Frame (X) Length Back ofSeat to Cen-ter-Line ofRear Axle (Y) H> Dimension of Bolsters (M) H to l 5 108 60 32 36 lMtolH 5 120 72 36 38 2 to 2^ 5 132156 8198 36 38 3 to 4 5 144192 90114 36 42 5 to 6 5 144 102 90114 36 42 Dimension H permits a variation of plus or minus 2% in. of Uierear axle from the normal position. Q Is measured from the top of the chassis to the top of the tireswhen the springs are deflected to the metal to metal dimensions for truck body Installation. May 19, 1921 AUTOMOTIVE INDUSTRIESTHE AUTOMOBILE 1049 of the rear axle, and the distance from the back of theseat to the rear end of the frame. The dimensions werequite generally approved as being suitable for the inter-changeable mounting of truck bodies with the excep-tion of special types such as large van bodies and specialshort dump bodies.
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectaeronautics, bookyear
