Encyclopedia Astronautica
1965.09.30 - Heatshield on Apollo Block I CMs must be thinned


Flight Projects Division advised that, on the basis of current weight studies, the aft heatshield on Block I CMs must be thinned.

North American had said that this change would not affect schedules, but felt some concern about the heat sensors. Accordingly, Structures and Mechanics Division (SMD) ordered North American to proceed with this weight reduction on the hardware for spacecraft 011, 012, and 014 (but ensuring that the orbital decay required for Block I manned missions would still be met). The sensors on 011's heatshield would be adapted to the new thickness. SMD anticipated that these changes would cost about $500,000 and would probably delay by about four weeks delivery of the 011 heatshield from Avco.

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