885 tons; trailing
12.790 tons; total weight, 37.238 tons in running order. Tubes number 151;
outside diameter, 2-1/8 in.; length between tube plates, 13 ft. 10-1/8
in.; outside heating surface, 1,166 square feet; fire box heating surface,
82 square feet; total heating surface, 1,248 square feet; fire grate area,
17 square feet; tractive power =
65 per cent. of boiler pressure x (cyl. diam.) squared x stroke / diameter of wheels
= 0.65 x 120 x (18.125) squared x 24 / 51 = 5.383 tons. Ratio of tractive power
to adhesion weight = 5.383 / 37.238 = 1 / 6.9.
_Tender._--Contents: water, 310 cubic feet, or 1,933 gallons, or 81/2
tons; anthracite, 600 poods, or 10 tons; or wood, 11/2 cubic sajene, or
514 cubic feet; weight empty, 13.477 tons; weight in running order, 28.665
tons; six wheels.
* * * * *
_Petroleum Refuse--Comparative Trials with Petroleum, Anthracite,
Bituminous Coal, and Wood, between Archeda and Tsaritsin on Grazi and
Tsaritsin Railway, in Winter Time._
-----+---+-----+------+---+-----+------+-----------+-------------+------+------------
| L | | | | | | | |
| o | | Train | | | | Consumption | |
| c | | alone.
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