Talk:Jenny Lind locomotive

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I'm not sure that the quoted boiler diameter (ten and a half feet) can be correct. Given that the boiler fitted between the large driving wheels, and we know that the gauge is 4' 8-1/2", and allowing at least one inch for the flange thickness, I think that the maximum boiler diameter would be nearer to four and a half feet.

Could it have been that the boiler LENGTH was ten and a half feet? 86.134.146.227 01:58, 2 October 2006 (UTC)

From a drawing in the "engineer" of 1896 the diameter of the boiler appears to be about 43 inches - 3ft 7 inches. This tallies with the drawings used to make scale models of this engine. For 7 1/2 inch gauge the diameter of the boiler is 5 1/4 inches which gives a diameter of 42 inches. john f The length of the boiler is almost exactly 12ft excluding the firebox. john f the area of the tubes and the firebox was 800 sq ft. john f