296 



BEPORT — 1841. 



Dimensions of the Hecla. 



ft. in. 



Diameter of Driving Wheels 5 



Diameter of Cylinder 12^ 



Length of Stroke . 18 



Diameter of Blast-pipe 2f 



Internal Dimensions of Firebox. 



Width crosswise 3 6^ 



Lengthwise 2 4;^ 



Depth from underside of roof to top of Grate Bars 3 4^ 

 Number of Tubes 117. 



Length of Tubes 8 6^ 



External diameter l| 



Heating surface per lineal foot ... -375 sq. feet. 



Heating surface of Firebox .... 45*38 do. 



Heating surface of Tubes .... 373*7 do. 



Total heating surface 



419-08 



do. 



" Hecla," Tender and Twelve Carriages. 

 From Liverpool to Birmingham. 





3i o 





Fall 



T(r9¥ 



Letel 



Fall 

 i_ 



8 9 



Fall. 

 1__ 



2 7()2 



Avg^ 

 Fall , 

 _i_ 

 3 14 



Rise 

 1 



503 

 Rise 



10 



11 



"13 



14 



19 



20 

 1 



21 



h m 



10 44 

 45 

 46 



47 



48 



49 



50 



55 



57 



58 

 59 



11 9 



10 

 43 

 44 

 45 

 46 

 47 

 48 



66 

 49 

 38 

 34 

 33 

 30 

 31 

 30 

 31 

 28 

 27 

 28 

 4-59 

 1-30 

 41 

 37 

 38 

 43 

 9-30 

 28 



61 

 50 

 83 

 37 



13-63 

 18-37 

 23-68 

 26-47 

 37-27 



30-00 



33-33 

 32-14 

 21-07 

 20-00 

 21-95 

 24-32 

 23-68 

 20-93 

 28-42 

 3214 



14-75 

 18-00 

 21-68 

 24-32 



Slacknd 

 do. c . 



<Jo.il 



<j 



do. 

 do. ^5? 



do-g=a 



do. %ti 



be CA 



a 



stop. 1 

 start. ^ 



