COMPARATIVE RESUIvTS IN STEAM AND COAL CONSUMPTION. igj 



Twenty-four Hour Endurance Run, Provincetown to New London, 



JuiyY 14, 1910. 



First 12 hours. 



Time, P. M. 



revolutions. 



12-30-0 



1- 0-0 



30-0 



2- 0-0 



30-0 



3- o-o 



30-0 



4- 0-0 



30-0 



5- 0-0 



30-0 



6- 0-0. 



30-0 



7- 0-0 



30-0 



8- 0-0 



30-0 



9- 0-0 



30-0 



10- 0-0 



30-0 



11- 0-0 



30-0 



12- 0-0 midnight . . . 

 12-30-0 A. M 



Main 

 engine. 



847,992 

 852,213 

 856,401 

 860,627 

 864,87s 

 869,089 

 873.308 

 877,526 

 881,740 

 885,929 

 890,149 

 894,369 

 898,604 

 902,780 



907,045 

 911,287 

 915,496 

 919,671 

 923,903 

 928,142 



932,394 

 936,651 

 940,907 

 945,168 



949,447 



Revolutions 

 per minute. 



Starboard 



L. P. 

 t\irbine. 



140-91 



883,895 

 886,605 

 889,280 

 891,992 

 894,727 

 897,427 

 900,129 

 902,836 



905,545 

 908,222 

 910,952 

 913.683 

 916,425 

 919,083 

 921,859 

 924,613 



927.325 

 929,982 

 932,698 

 935,420 

 938,160 

 940,900 

 943,642 

 946,389 

 949.147 



Revolutions 

 per minute. 



453-2 



Start 12.30 P. M. 



Port L. P. 

 turbine. 



486,259 

 488,969 

 491,640 

 494,352 

 497,085 

 499,788 

 502,489 

 505.201 

 507,907 

 510,586 

 513.320 

 516,053 

 518,804 

 521,467 

 524,248 

 527,008 



529.723 

 532.393 

 525,110 

 537,837 

 540,582 



543,327 

 546,074 

 548,827 

 551.592 



Revolutions 

 per minute. 



453-7 



