. The Locomotive . 34 THE LOCOAiOTIVE. [April, Flywheel Explosion at Scotia, Damage to Engine House Built of 12 Concrete Walls. THE illustrations on the front cover and next page of the presentissue of the LOCOMOTIVE show some of the resulting dam-age when a 16 foot flywheel exploded on February 23rd atthe sawmill of the Pacific Lumber Company, Scotia, Cal. The prop-erty damage was quite heavy but fortunately there were no fatalitiesas is so often the case with such disasters. Of the five men who wereonly slightly injured, four did not even stop working. The wheel was of the flange joint
. The Locomotive . 34 THE LOCOAiOTIVE. [April, Flywheel Explosion at Scotia, Damage to Engine House Built of 12 Concrete Walls. THE illustrations on the front cover and next page of the presentissue of the LOCOMOTIVE show some of the resulting dam-age when a 16 foot flywheel exploded on February 23rd atthe sawmill of the Pacific Lumber Company, Scotia, Cal. The prop-erty damage was quite heavy but fortunately there were no fatalitiesas is so often the case with such disasters. Of the five men who wereonly slightly injured, four did not even stop working. The wheel was of the flange joint type, made in four sectionsand really consisted of two wheels bolted together which formed atotal rim face of 5 feet. The engine on which the exploded wheelwas mounted was of the twin type with releasing type of valve gears,both cylinders receiving steam at approximately boiler pressure. Onefly-ball governor regulated the cut-off for both cylinders with theusual arrangement of a rockershaft extending from one side of theengine to the other and this feature appears to have had
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