. The Street railway journal . steel-tired wheels on a prominent electric railway in Eu-rope, and the condition of wheels after a mileage of about25,000 kms., or about 15,000 miles. There is no doubt that from certain standpoints steel- paying a price for the best quality of chilled wheels thatwould admit of the use of a proper weight and section, andthe use of proper material and care in manufacture. This same question is confronting the managers of steamrailroads in dealing with wheels for use under 50-ton cars,and they are finding that it is advisable and necessary topay a price that will p
. The Street railway journal . steel-tired wheels on a prominent electric railway in Eu-rope, and the condition of wheels after a mileage of about25,000 kms., or about 15,000 miles. There is no doubt that from certain standpoints steel- paying a price for the best quality of chilled wheels thatwould admit of the use of a proper weight and section, andthe use of proper material and care in manufacture. This same question is confronting the managers of steamrailroads in dealing with wheels for use under 50-ton cars,and they are finding that it is advisable and necessary topay a price that will purchase a good quality of wheel,rather than to attempt economies by the use of cheapgrades. The latter may prove considerably more expensivein the end, owing to accidents that are likely to occur fromtheir use. The Carnegie Steel Company, for whom thefirst 50-ton cars used in this country were constructed, andwhose experience in the qualities of metal can not be ques-tioned, after a careful consideration of the wheel question,. FIG. 6 FIG. 9. SECTIONS OF STEEL WHEELS WORN ON FLANGE OR TREAD tired wheels have advantages, but the question is, whethertaking the question of wheel service from every point ofview, the advantages in favor of steel-tired wheels are inany respect equal to those that can be obtained from chilledwheels, setting aside the fact that steel-tired wheels costfrom four to five times as much as the chilled wheels. Apeculiar phase of the situation seems to be that in somecases where trials have been made of steel-tired wheels,because results obtained from chilled wheels were claimedto be unsatisfactory, that officials of railway companiesmaking the trials were unwilling to pay a price for chilledwheels that would enable the manufacture of the best qual-ity, and yet were willing to consider trials of steel wheelswhich, if satisfactory, would involve a very much greaterwheel expense. As your correspondent strikingly puts thismatter, it seems to be expected that chi
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