Talk:West Engineering XJ38

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Specific fuel consumption[edit]

This quantity is not dimensionless, so we need some units. From the size of it, 1.7 might be in lb/(lbf*h) but that is only a guess. Also need the metric equivalent e.g. kg/(N*s). Thrust to weight is dimensionless so no units is fine, though 1.31 is a bit away from 218/180=1.21.TSRL (talk) 07:29, 15 August 2011 (UTC)[reply]