: :.(Pacer) Project 5.4 - In-Plight Participation of « B-S7R ~ lst Lt. H. M. Welle, Jr, OBJECTIVE The objective of thie test was to seesure the effects of a nuclear detonation on an in-flight B-57B aircraft veapons system, TESTRRENT Out of 210 channels being recorded, 14 data channels vere lost for various reasons and have been repaired or replaced by spares, POSITION The JR-57B was flying at ap absolute altitude of 10,790 fect, on a 052° T heating in a 2° nose left position at H+ 0, Horisontal range to ground cero at H + 0 was 28,51¢ fect (aircraft traveling at 304 ft/see). Aircraft position at time of shock arrival (HB ¢ 33.4 sec) wee 46,711 feet beyond ground sero. Heading same as H+ 0, altitude 10,290 feet, speed 262 ft/sec, RESULTS Therma): Total energy horisontal receiver, Quat: ‘Total gust load et time of shook arrival ves i38 2 5S of allowable limit for the B-57B, Qverpreesyre: Peak overpressure was vy at H+ 33.4 eee,

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