. The Street railway journal . FIG. A. and to keep it in motion after it wasunder way, using a Fairbanks dynamo-meter. The track has a grade of two-tenthsof a foot in each hundred, and was notvery free from sand. Between ChicagoAvenue and North Avenue, on Clark Street,Division and Clyburn Avenues, 88 testswith an average of passengers weigh-ing (estimated at 140 lbs.) with car , the force required to keep the car inmotion at an average speed of five milesper hour, including stoppages, averaged109} lbs., or per ton lbs. This is on an oldworn-out rail. Between Chicago Anenuean
. The Street railway journal . FIG. A. and to keep it in motion after it wasunder way, using a Fairbanks dynamo-meter. The track has a grade of two-tenthsof a foot in each hundred, and was notvery free from sand. Between ChicagoAvenue and North Avenue, on Clark Street,Division and Clyburn Avenues, 88 testswith an average of passengers weigh-ing (estimated at 140 lbs.) with car , the force required to keep the car inmotion at an average speed of five milesper hour, including stoppages, averaged109} lbs., or per ton lbs. This is on an oldworn-out rail. Between Chicago Anenueand Madison Street, on Clark Street, onnew steel rails, 53 tests with an average passengers, gave 29* lbs. as the forcerequired to keep the car in motion. This is an average of lbs. per ton. Thecar made 17 starts on this track passengers. Average force exerted tostart, lbs; average per ton, the first mentioned track 30 tests withan average of passengers gave an aver-age force of
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Keywords: ., bookcentury1800, bookdecade1880, booksubjectstreetr, bookyear1884
