Railway mechanical engineer (1916) (14574855459)

Identifier: railwaymechanica89newy (find matches)
Title: Railway mechanical engineer
Year: 1916 (1910s)
Authors:
Subjects: Railroad engineering Engineering Railroads Railroad cars
Publisher: New York, N.Y. : Simmons-Boardman Pub. Co
Contributing Library: Carnegie Library of Pittsburgh
Digitizing Sponsor: Lyrasis Members and Sloan Foundation



Text Appearing Before Image:
Fig. 1—One End of Original Four-Wheel Steel Passenger Car TruckBefore the Application of the Clasp Brakes; Pennsylvania Railroad (2) There seems to be a feeling on the part of some me-chanical engineers that the four-wheel truck, with its shorterwheel base (7 or 8 ft. as compared with 10 to 11 ft. for thesix-wheel truck) will ride less easily than the six-wheel truck.With coil springs over the journals, elliptical springs under the 569
Text Appearing After Image:
Fig. 2—Original Four-Wheel Steel Passenger Car Truck with Clasp Brakes Applied; Pennsylvania Railroad bolster, and provision for lateral motion of the bolster, it would ing the top of the dead lever to the truck frame. The unbalanced seem that there ought not to be much difiference in this respect. forces in the truck when the brakes are applied tend to tilt Experiments show that much of the rough riding or jolting the truck frame out of horizontal alinement, thus causing a on passenger coaches has been due to the method of anchor- jerky action. By anchoring the dead lever to the body under- NOVEMUKR, 191f RAILWAY AGE GAZETTE, MECHANICAI> EDITION 571 frame Uiis is cliiiiiiialcd. This (luvilupmciit is cuniparalivcly (3) TlicTf is a wilc- variation in the weights of different recent and affects the six-wheel as well as the f<mr-wheel truck. types of steel passenger car trucks, but it is probably fair toThe effect of anchoring the dead lever to tlic truck frame has state that a p