Repository: UIHistories Project: Booklet - One Hundred Million (Impact of UI) (1931) [PAGE 12]

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lesign of the r tdbed, as well to ' im| the , [, omotives. While no definil * c n be place > w rk of this character, the return i n rtaml I; I i si m h\ the act that the railr ids have I n I 1 the cost of these investigations during th< I; nl n rs. The investigation of stresses in i ilr id 1 i in ress since 1914, and live reports have I n i giving ation as follows: (1) Analysis of the action of track as an el; n: re velopment of methods of measuring str< and ti pr >n study of effect of size of rail; s] 1 of 1 >motive; I of v. heel spacings; and effect of conditions of locomotive and tr (2) The effect of speed and counterbalan* win Is on stresses in rail; studies of action of cr s-ti nd trai mission o pressure in ballast. (3) Studies on four railroads with several ty| ICK motive on curved and straight track; effect of speed, curvature, rbalance and of design of locomotives; and the distribution of si s in the rails. (4) Tests on straight and curved track with se\ d t\ of l < trie locomotives; study of various features of design of tlv e locomotives; studies of action of tieplates and of canted rails. (5) Study of the action of rail joints from anal) and fr laboratory and field tests; study of the various types i rail j< studies of bolt tensions and behavior of joints under 1 id. Xot only greater safety, but untold savings to the railr id indus have resulted from the University's contributions during th ve: teen years of study. Warm-Air Furnaces and Heating Systems The more recently erected homes in American using \

m a y thank the University of Illinois for the improved plan

stallations, and for the resulting comfort and economy,

Tl warm-air system of heating residences and other !

, old as the art of heating itself, but exact or definite data

performance of such systems, which could be used is a r n i• i «i i .iimnai has t

for the design or improvement, had been sadly lacking m tlDifficulties encountered in measuring the correct volum md i* tin of the air flow under the conditions existing in a lv u* ;,,;< furnace heating system had discouraged investijjatoi n ti and the industry had been held back in consequen ol tlu | n c i pendabh information on the operatin u t >ti Q w r < I \2\

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