Discussion on fatigue between Mr. W.T. Kirkby structures department, Royal Aircraft establishment Farnborough and Mr. R.J.M. Dodd, engineering research division, British railways research department 12th July, 1967 (IM-APT-107)

It is anticipate that a large proportion of the A.P.T. structure will be designed on the basis of resistance to the effects of metal fatigue. It appears that the fatigue environment of the A.P.T. bears some resemblance to that of a short haul passenger aircraft and hence the experience...