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Apollo 13 Cryo Data Screen Captures
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This FAQ is maintained by Anthony W. Haukap
The current version of this FAQ document can always be found on my website at:
While every attempt is made to present accurate data it should be noted that the author makes no guarantee as to the accuracy of any information provided in this document, and is not responsible for any consequences of its use.
Screen captures of the ECS console that show the CSM CRYO tanks taken at 55:53:47 GET (nominal pressure, 906 psi ), 55:54:47 GET (increased pressure, 1008.3 psi), and 55:54:53 GET (just after rupture, 19 psi). Note the bottom line that reads 'CRYO SUPPLY', the column under the heading '02-2' is the O2 cryo tank number 2.
Nominal Pressure Data
LM12839 CSM ECS-CRYO TAB 0613
CTE 055:46:51 ( ) GET 055:53:47 ( ) SITE
-------LIFE SUPPORT-------- -----PRIMARY COOLANT-----
GF3571 LM CABIN P PSIA CF0019 ACCUM QTY PCT 34.4
CF0001 CABIN P PSIA 5.1 CF0016 PUMP p PSID 45.0
CF0012 SUIT P PSIA 4.3 SF0260 RAD IN T F 73.8
CF0003 SUIT P IN H20 -1.68
CF0015 COMP P P PSID 0.30
CF0006 SURGE P P PSIA 891 CF0020 RAD OUT T F 35
SURGE QTY LB 3.67 CF0181 EVAP IN T F 45.7
02 TK 1 CAP P PSID 21 CF0017 STEAM T F 64.7
02 TK 1 CAP P PSID 17 CF0034 STEAM P PSIA .161
CF0018 EVAP OUT T F 44.2
CF0036 02 MAN P PSIA 105
CF0035 02 FLOW LB/HR 0.181
SF0266 RAD VLV 1/2 ONE
CF0008 SUIT T F 50.5 CF0157 GLY FLO LB/HR 215
CF0002 CABIN F 65 ----SECONDARY COOLANT----
CF0005 C02 PP MMHG 1.5 CF0072 ACCUM QTY PCT 36.8
------------H20------------ CF0070 PUMP P PSID 9.3
CF0009 WASTE PCT 24.4 SF0262 RAD IN T F 76.5
WASTE LB 13.7 SF0263 RAD OUT T F 44.6
CF0010 POTABLE PCT 104.5 CF9973 STEAM P PSIA .2460
POTABLE LB 37.6 CF0071 EVAP OUT T F 66.1
CF0460 URINE NOZ T F 70 CF0120 H20-RES PSIA 25.8
CF0461 H20 NOZ T F 72 TOTAL FC CUR AMPS
--------CRYO SUPPLY------------------02-1------02-2-------H2-1-----------H2-2---
SC0037-38-39-40 P PSIA 876.5 906 225.7(03-1) 235.1
SC0032-33-30-31 QTY PCT 77.63 O/S 73.24 74.03
SC0041-42-43-44-T F -189 -192 -417 -416
QTY LBS 251.1 260.0 20.61 20.83
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Increase in O2 Tank 2 Pressure
LM12839 CSM ECS-CRYO TAB 0613
CTE 055:54:45 ( ) GET 055:54:47 ( ) SITE
-------LIFE SUPPORT-------- -----PRIMARY COOLANT-----
GF3571 LM CABIN P PSIA CF0019 ACCUM QTY PCT 34.4
CF0001 CABIN P PSIA 5.1 CF0016 PUMP p PSID 45.0
CF0012 SUIT P PSIA 4.1 SF0260 RAD IN T F 73.8
CF0003 SUIT P IN H20 -1.68
CF0015 COMP P P PSID 0.32
CF0006 SURGE P P PSIA 892 CF0020 RAD OUT T F 35
SURGE QTY LB 3.68 CF0181 EVAP IN T F 45.7
02 TK 1 CAP P PSID 20 CF0017 STEAM T F 64.9
02 TK 1 CAP P PSID 15 CF0034 STEAM P PSIA .161
CF0018 EVAP OUT T F 44.2
CF0036 02 MAN P PSIA 105
CF0035 02 FLOW LB/HR 0.163
SF0266 RAD VLV 1/2 ONE
CF0008 SUIT T F 50.2 CF0157 GLY FLO LB/HR 215
CF0002 CABIN F 66 ----SECONDARY COOLANT----
CF0005 C02 PP MMHG 1.5 CF0072 ACCUM QTY PCT 36.8
------------H20------------ CF0070 PUMP P PSID 9.3
CF0009 WASTE PCT 24.2 SF0262 RAD IN T F 76.5
WASTE LB 14.2 SF0263 RAD OUT T F 44.6
CF0010 POTABLE PCT 104.5 CF9973 STEAM P PSIA .2460
POTABLE LB 37.6 CF0071 EVAP OUT T F 66.1
CF0460 URINE NOZ T F 71 CF0120 H20-RES PSIA 25.8
CF0461 H20 NOZ T F 72.1 TOTAL FC CUR AMPS
--------CRYO SUPPLY------------------02-1------02-2-------H2-1-----------H2-2---
SC0037-38-39-40 P PSIA 874.9 1008.3 225.7(03-1) 235.1
SC0032-33-30-31 QTY PCT 75.45 60 73.24 74.03
SC0041-42-43-44-T F -190 -160 -417 -416
QTY LBS 251.1 O/S 20.61 20.83
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Just After O2 Tank 2 Rupture
LM12839 CSM ECS-CRYO TAB 0613
CTE 055:57:02 ( ) GET 055:54:53 ( ) SITE
-------LIFE SUPPORT-------- -----PRIMARY COOLANT-----
GF3571 LM CABIN P PSIA CF0019 ACCUM QTY PCT 34.4
CF0001 CABIN P PSIA 5.6 CF0016 PUMP p PSID 45.3
CF0012 SUIT P PSIA 4.13 SF0260 RAD IN T F 73.8
CF0003 SUIT P IN H20 -1.8
CF0015 COMP P P PSID 0.27
CF0006 SURGE P P PSIA 889 CF0020 RAD OUT T F 35.2
SURGE QTY LB 3.9 CF0181 EVAP IN T F 45.7
02 TK 1 CAP P PSID 19 CF0017 STEAM T F 64.7
02 TK 1 CAP P PSID 17 CF0034 STEAM P PSIA .161
CF0018 EVAP OUT T F 44.6
CF0036 02 MAN P PSIA 108
CF0035 02 FLOW LB/HR 0.178
SF0266 RAD VLV 1/2 ONE
CF0008 SUIT T F 50.5 CF0157 GLY FLO LB/HR 215
CF0002 CABIN F 65 ----SECONDARY COOLANT----
CF0005 C02 PP MMHG 1.6 CF0072 ACCUM QTY PCT 36.8
------------H20------------ CF0070 PUMP P PSID 9.3
CF0009 WASTE PCT 28.9 SF0262 RAD IN T F 76.5
WASTE LB 14.9 SF0263 RAD OUT T F 45.1
CF0010 POTABLE PCT 109.9 CF9973 STEAM P PSIA .2460
POTABLE LB 39.1 CF0071 EVAP OUT T F 65.9
CF0460 URINE NOZ T F 105 CF0120 H20-RES PSIA 26.2
CF0461 H20 NOZ T F 78 TOTAL FC CUR AMPS
--------CRYO SUPPLY------------------02-1------02-2-------H2-1-----------H2-2---
SC0037-38-39-40 P PSIA 872 19 225.7(03-1) 235.1
SC0032-33-30-31 QTY PCT 72.3 01.17 73.24 74.03
SC0041-42-43-44-T F -189 O/S -417 -416
QTY LBS 251.1 O/S 20.61 20.83
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