. Report of the Electric Railway Test Commission to the president of the Louisiana Purchase Exposition . ils of Mounting Chapman Double-Ball Bearings. when complete and hanging on the dynamometer frame. Thisvestibule had a curved front with a radius of curvature of 5^ft., and the front was equipped with the usual sashes. Doubledoors, 2 ft. 10 in. in width, closed the openings at the roof of this vestibule conformed in outline to the contourof the car body, and was supplied with a standard hood of thePullman type. The flat vestibule consisted of a light framework covered withplanking,
. Report of the Electric Railway Test Commission to the president of the Louisiana Purchase Exposition . ils of Mounting Chapman Double-Ball Bearings. when complete and hanging on the dynamometer frame. Thisvestibule had a curved front with a radius of curvature of 5^ft., and the front was equipped with the usual sashes. Doubledoors, 2 ft. 10 in. in width, closed the openings at the roof of this vestibule conformed in outline to the contourof the car body, and was supplied with a standard hood of thePullman type. The flat vestibule consisted of a light framework covered withplanking, and having a form corresponding to the cross-sectionof the car as shown in Fig. 183. It weighed 730 lbs. when THE TEST CAR LOUISIANA 515 equipped with window-sashes and the devices for hanging itfrom the dynamometer frame. All of the vestibules, when hanging upon the dynamometerframe, were connected with the car body by a strip of light cloth,which served to prevent eddies of air between the vestibuleand the front or rear of the car body. Vestibule Mounting. — In order to support the vestibule by. Fig. 188. —General Sketch of Standard Vestibule, Showing Method of Attachment to Car Body. a mechanism involving as little friction as possible, it was de-cided to hang the vestibule from a pair of Hnks carried overtwo heavy oak timbers projecting through the front of the the ends of these timbers were attached eye bolts, from whichhung a pair of links connected at their lower ends to eye boltscarried by steel brackets, attached to vertical steel strips form-ing part of the vestibule. These links were of such a length thatthe vestibule could swing a short distance without serious fric-tion. To the rear of the vestibule was attached a guide frame 516 ELECTRIC RAILWAY TEST COMMISSION constructed of light oak timbers with diagonal truss rods ofsteel on all sides. The method of mounting is shown in Fig. 190,which is a general sketch showing the elevation and plan of thecar. Ea
Size: 1674px × 1492px
Photo credit: © Reading Room 2020 / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: ., bookauthorlouisian, bookcentury1900, bookdecade1900, bookyear1906
