Differences between revisions 47 and 48
Revision 47 as of 2016-12-28 00:53:26
Size: 5358
Comment:
Revision 48 as of 2016-12-28 01:00:28
Size: 5545
Comment:
Deletions are marked like this. Additions are marked like this.
Line 14: Line 14:
  . maximum velocity 36 303 ( 11 065 m/s)   . maximum velocity 36 303 ( 11 065 m/s )
Line 57: Line 57:
  . velocity 36 194.4 ft/sec (11 032 m/s)
  . flight-path angle -6.48 degrees ( slope 0.114 )
  . maximum velocity 36 227.4 ft/s ( 11 042 m/s)
  . maximum acceleration 6.51 gees

Apollo Entry

From Apollo mission reports here

Apollo 7 and 9 were earth orbit, slower reentry. Apollo 8 and 10 through 17 were lunar missions with high speed reentry of the command module. Apollo 11,12, and 14-17 were landing missions.

Click pictures for enlargements


Apollo 8

  • Mission report

  • page 5-10, 53/252 TABLE 5-V . - ENTRY TRAJECTORY PARAMETERS
    • Entry at 400 kft (122 km) at 146:46:12.8
    • velocity 36 221 ft/s ( 11 040 m/s)
    • flight path angle -6.50 degrees, ( 0.114 slope )
    • maximum velocity 36 303 ( 11 065 m/s )
    • maximum acceleration 6.84 gees
  • page 6-67 to 6-69 entry graphs

Entry Monitor System Scroll, Gees vs Velocity

attachment:a8a.png attachment:a8b.png

Roll vs Mission Elapsed Time

attachment:a8r.png


Apollo 10

  • Mission report

  • page 6-13, 54/323 TABLE 6-VI I . - ENTRY TRAJECTORY PARAMETERS
    • Entry at 400 kft (122 km) at 191:48:54.5
    • velocity 36 314 ft/sec (11 068 m/s)
    • flight-path angle -6.54 degrees ( slope 0.115 )
    • maximum velocity 36 397 ft/s ( 11 094 m/s)
    • maximum acceleration 6.78 gees
  • Entry Postflight Analysis

Entry Monitor System Scroll, Gees vs velocity

attachment:a10ems.png

Roll and Altitude vs Ground Elapsed Time

attachment:a10roll.png attachment:a10alt.png

Gees and Lift/Drag vs Ground Elapsed Time

attachment:a10gee.png attachment:a10LD.png

Range and Vertical Velocity vs Ground Elapsed Time

attachment:a10range.png attachment:a10rdot.png


Apollo 11

  • Mission report

  • page 7-12 120/359 TABLE 7-VI I . - ENTRY TRAJECTORY PARAMETERS
    • Entry at 400 kft (122 km) at 195:03:05.7
    • velocity 36 194.4 ft/sec (11 032 m/s)
    • flight-path angle -6.48 degrees ( slope 0.114 )
    • maximum velocity 36 227.4 ft/s ( 11 042 m/s)
    • maximum acceleration 6.51 gees
  • Entry Postflight Analysis

    • 1st maximum load factor 6.73g 31,810ft/s
    • 1st minimum load factor 0.48g 20,500ft/s
    • 2nd maximum load factor 6.00g 12,390ft/s

Table III

EI time

Load g

V f/s

range n mi

° Bank

Rdot f/s

0:00

0.000

36190

1593

0:28

0.049

36276

1418

0:30

36277

0.0

-3186

1:18

-666

1:30

30176

54.43

211

1:56

1.057

22091

-86.68

Entry Monitor System Scroll, Gees vs Velocity

attachment:a11ems.png

Roll and Altitude vs Time from Entry Interface

attachment:a11roll.png attachment:a11alt.png

Gees vs Time from Entry Interface and Lift/Drag vs Mach Number (velocity)

attachment:a11gee.png attachment:a11LD.png

Range and Vertical Velocity vs Time from Entry Interface

attachment:a11range.png attachment:a11RDOT.png

Velocity vs Time from Entry Interface

attachment:a11vel.png


Apollo 12

  • Mission report

  • page 5-14 96/310 TABLE 5-IX . - ENTRY TRAJECTORY PARAMETERS
    • Entry at 400 kft (122 km) at 244:22:19.1
    • velocity 36 116 ft/sec (11 008 m/s)
    • flight-path angle -6.48 degrees ( slope 0.108 )


Apollo 13 Mission report page 9-17, two brief paragraphs about entry and landing (useless)

Apollo 14 Mission report page 5-28, two brief paragraphs about entry and landing (useless)

Apollo 15 Mission report page 114, two brief paragraphs about entry and landing (useless)

Apollo 16 Mission report page 9-56, "entry deceleration exceeded 7 gees" (semi-useless)

Apollo 17 Mission report page 190, no trajectory data (useless)

ApolloEntry (last edited 2017-11-22 23:14:55 by KeithLofstrom)