| Show INCREASE OF TKACTIVE POWER IX DKITIXG WHEELS Numerous and persistent c0ors have been made to Increase the aactivo power driving vi heeli on pwer railways but a long and unbroken eries failures hHs been recorded When electricity was made practical coo of In motor for the propulsion > f c it was claimed that a means had teen discovered Thereby I greater traction was obtained but careful experiment proved thatsuch a not the f pn Locomotive jrheels continued t slip and lose power with heavy loads or while joins upgrades and the expense o expn5 jroviding additional power ws I pwer heavy as ever on the railroads But now comes a new suggestion which < eems t have the merits claimed font and to open the way to a 1 ie reat extent for relief This I is mthing less than a polygonal cued This substitution for I cyl ndrical surface of driving wheel rlnr1hli IrCt many sided I prism i is i radical departure from the enc hitherto acted upon The new invention is called the iwlnerton wheel and its claim to ibtain greater tsaction seem to U veil substantiated Tho first test nzlne was completed December 1 IbS withdriversflvefectsixinchei lt diameter With the new feature I gives a polygon with alder one uctiJon 210 sides for the entire ircumfercnce To a casual ob ervcr these sides are hardly notice tble but with the light shining a ight angle upon the periphery ol I he wheel tey upn can be clearly dls inguished A short straitedge dls luses 1 the existence of facets by the cklng or oscillation a I passes from one t the other p Numerous tests have been made end all with the most satisfactory eults iu tho way of inertneed trnc Uvc power The locomotive used lad but a singe pair of drivers butt but-t hauled from Boton to Lowell or several days 6 t 70 cars 01 oal a feat equal t that of four iriverengines with cylindrical vheels Tnen for several mouths it vas used in drawing the Portland > blne express over 115mile trips vith the same success that attended heather trial Last Julyanothei erie of tests was begun a gradient if 3 feet to the mile teeing or vH The experiments wen made with and without sand Seth sand the of Itl weight cars and und drawn was r12S3i3 pundIt pund-It sand it was 859550 pounds Then the wheel tin were pUIned round and the trials repeated The result was that without sand ii50U pounds weredrawnauJ with and S3JS70 jwund This proved wyond doubt that the tractive poner lad been largely increased by tin jolygonal tires which when uM vitnout sand enabled the locomo ive I t draw over one hundred and ilxtysix per cent above that of the < moth wheels while with sand the increase was about sixty per cent In practical use it is found that the engine runs as quIetly as rns a quiety l any ether the departure from the circle wing to deJrur cau ° c rattling In the first experiments two inch facets were tried and wen found to rn ntl litl In In IhA r lo not disappear A flat ppot upon i tire does not wear off and In a unnlng wear of COOCh miles the polyconal tires wore down three ighthaof an inch from their pen her but the lat surfaces were ully preserved I the success that ias attended the Swlncrton patent ptnt s maintained In future practice ii I II1 mike quite a revolution In kind wheel of surface for tires on driving Ii |
