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Freedom 7 events and trajectory
The sequence of events on the MR-3 mission occurred according to plan, while the actual trajectory flown was very close to the nominal calculated trajectory.
In the first table below, the sequence of major events show the planned and actual times at which they occurred. The second table lists actual and planned trajectory parameters.
|
Event |
Planned Time |
Actual Time |
|
Booster Cut-Off |
02:23.1 |
02:21.8 |
|
Tower Release |
02:23.1 |
02:22.0 |
|
Tower Escape Rocket Fire |
02:23.1 |
02:22.2 |
|
Capsule Separation |
02:33.1 |
02:32.3 |
|
Time of Retro-fire Sequence |
04:41.5 |
04:44.7 |
|
Retro-attitude Comm. Relay |
04:41.5 |
04:44.7 |
|
Retro #1 Fire |
05:11.5 |
05:14.1 |
|
Retro #2 Fire |
05:16.5 |
05:18.8 |
|
Retro #3 Fire |
05:21.5 |
05:23.6 |
|
Retro-package Jettison |
06:10.5 |
06:13.6 |
|
.05 g Relay |
07:43.0 |
07:48.2 |
|
Drogue Chute Deploy |
09:36.0 |
09:38.1 |
|
Main Chute Deploy |
10:14.3 |
10:14.8 |
|
Antenna Fairing Release |
10:14.3 |
10:14.8 |
|
Main Chute Disconnect |
14:47.7 |
15:22.0 |
Note: With the exception of Redstone booster cutoff, all events on the MR-3 flight were determined from commutated data. Thus the events could vary from the above times by as much as +0 to -0.8 seconds.
|
Quantity |
Planned |
Actual |
|
Range (N. M) |
256.3 |
263.1 |
|
Maximum Altitude (N. M.) |
100.3 |
101.2 |
|
Maximum Exit Dynamic Pressure lb/sq ft |
598 |
586 |
|
Maximum Exit Longitudinal Load Factor, g |
6.3 |
6.3 |
|
Maximum Reentry Dynamic Pressure lb/sq ft |
591 |
605 |
|
Maximum Reentry Longitudinal Load Factor, g |
10.8 |
11.0 |
|
Period of Weightlessness (Min:Sec) |
04:53 |
05:04 |
|
Note: N. M. = nautical miles |