. Electric railway journal . ative positions of brakecylinder and handle, which may occur due to wear on thegears or cams when the brake cylinder is mounted on a sepa-rate spindle. PORCELAIN STRAIN INSULATORS GASOLINE SECTION REPAIR CAR The accompanying illustration shows the frame work of agasoline section repair car for railways recently built by theOtto Gas Works, Philadelphia. This car was designed especiallyfor use on the Chicago, Rock Island & Pacific Railroad, but is,of course, adaptable to any interurban electric line. The poweris supplied by 30- to 35-hp, four-cylinder, four-cycle gas
. Electric railway journal . ative positions of brakecylinder and handle, which may occur due to wear on thegears or cams when the brake cylinder is mounted on a sepa-rate spindle. PORCELAIN STRAIN INSULATORS GASOLINE SECTION REPAIR CAR The accompanying illustration shows the frame work of agasoline section repair car for railways recently built by theOtto Gas Works, Philadelphia. This car was designed especiallyfor use on the Chicago, Rock Island & Pacific Railroad, but is,of course, adaptable to any interurban electric line. The poweris supplied by 30- to 35-hp, four-cylinder, four-cycle gas car also carries a 10-hp Crocker-Wheeler electric generatorwhich is arranged to be driven by the engine and thus supplypower for operating electric drills, rail saws, portable emerywheels or any other electrical track repair tools. The truckframe shown in the illustration is surmounted by a body whichwill seat from eight to ten men, and will also carry a comple-ment of tools, spikes, cable and other Gasoline Section Repair Car The car is operated in the same manner as an automobile,but is provided with a clutch by which the engine can be dis-connected from the driving axle and made to engage with thegenerator. When the site where the work is to be done isreached the engine is connected with the generator and twopower cables, each about % mile in length are stretched eachway from the car. These cables are provided with plugswitches every 20 ft., so that the electric portable tools can beused for mile along the track without any change in the posi-tion of the car. The car weighs about 3000 lb. There are many conditions for which properly designedporcelain strain insulators are admirably suited. They arelargely used in guy wires by street railway and by electricpower companies. Groups in series are used at dead endsto take the strain of and to insulate the line wires. TheWestinghouse Form P-2 porcelain strain insulators shown inthe accompanying cut are made
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