Encyclopedia Astronautica
1967.06.08 - Larger Apollo drogue parachutes

At a NASA and North American Aviation management meeting, North American was directed to proceed with development of larger drogue parachutes and staged main chute disreefing, using 5- and 8-second reefing-line cutters.

Later analysis of the system and the proposed modifications still indicated only a marginal capability to offer adequate factors of safety, and North American was directed to use 6- and 10-second reefing-line cutters. In a letter to Headquarters, MSC Director Robert R. Gilruth mentioned that a review of these modifications had been covered at the September Manned Space Flight Management Council and, since no objections were voiced at that time, MSC assumed concurrence with the changes and would implement modifications for spacecraft 101 and subsequent Block II spacecraft.

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