IR stuff...
The report link You provided is for AFFDL-TR-74-155 "ANALYSIS OF SHOCK-ABSORBING CONCEPTS FOR BIRD-PROOF WINDSHIELDS OF ADVANCED AIR FORCE VEHICLES".
REF 72 of the AFFDL doc lists the requested RAE doc as follows...
72. I.I. McNaughtan, "The Design of Leading-Edge and Intake Wall Structure to Resist Bird Impact", Royal Aircraft Establishment T.R. 72056, AD-903942, Apr. 1972.
Document AD-903942 [AD903942, ADA903942, etc] does not appear in any DTIC searches.
Regards, Wil Taylor
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