TABLE 5-12 APOLLO 11 CRYOGENIC SUMMARY I. Planning Allowance H2, lb O2, lb A. Total Loaded 58.60 660.20 B. Less Residual 2.32 13.00 C. Less Instrumentation Error 1.50 17.50 Available for Mission Planning 54.78 629.70 II. Predicted Usages A. Prelaunch 1 1. Inline HTR + Pressure Relief 1.61 18.60 (T-28 to T-3 (Incl 12.5 hr hold )) 2. Power Production (plus ECS O2) .57 6.96 (T-3 to liftoff) Total Prelaunch requirements 2.18 25.50 B. Flight 1. EPS Requirements (Incl FC Purge) 36.60 288.33 2. CM ECS (Incl Cabin Purge) - 72.40 3. LM Pressurizations - 10.35 Total Flight Requirements 36.60 371.08 III. Nominal Reserves (RSS) EPS Uncertainty (5 percent) 1.83 14.42 ECS Uncertainty (.08 lb/hr) - 15.60 Tank Unbalance (AOH) .80 12.90 Launch Window .86 10.20 RSS Subtotal 2.17 26.87 IV. Operational Reserves A. Available for Mission Planning 54.78 629.70 B. Less Nominal Predicted Usage 38.78 396.58 C. Less Nominal Reserves 2.17 26.87 Operational Reserve 13.83 206.25 1 KSC Supplied Data 5 - 29