August 29, 1968
Flight No.: 1-80-140 Scheduled Date: Sept. 12, 1968
Pilot: Maj. Wm. J. Knight
Purpose: 1. WTR Experiment (20) - J. Welsh
2. Horizon Scanner (17) - J. Welsh3. Fixed Alpha Cone - R. Bogue
4. Fluidic Probe - R. Bogue
Flight Planning Engr: J. KolfLaunch: Smith Ranch #1 on a magnetic heading of 169°. SAS Hi-Lo-Hi (8-4-8), Pitch-Roll and Yaw ASAS "OFF", both BCS "ON", RAS "OFF", Ventral OFF.Res. Project Engr: J. Welsh
Operations Engr: V. Capasso
Instrumentation Engr: D. Yount
Launch Point Coordinates:
39° 30' N; 117° 11' W.
No. | Time | Alt | Vel | a | q | Event |
1. | 0 | 45 | 790 | 2 | 145 | Launch, light engine at 100% T. Rotate at a = 11° until q = 36°. |
2. | 28 | 52 | 1850 | 11 | 566 | q = 36°. Maintain q = 36° until burnout. |
3. | 88 | 148 | 5470 | 8 | 58 | Burnout. (Shutdown at 5600 fps if burnout has not occurred.) Turn RAS "ON", auto cutoff "ON". Pushover to a = 0°. |
4. | 162 | »247 | 4850 | 0 | 1 | Extend experiment. Maintain q, f & ·y» 0°. |
5. | 172 | 250 | 4810 | 0 | .9 | Peak altitude. Maintain q = 0° until a = 22°. |
6. | 205 | 240 | 4950 | »12 | 1.5 | Retract experiment. |
7. | 235 | 195 | 5200 | 22 | 10 | a = 22 °. Maintain a = 22° until AN = 5.0g. Turn RAS "OFF" and auto-cutoff "OFF" at lg. |
8. | 281 | 95 | 4800 | 22 | 450 | AN =5g. Maintain AN = 5g until = -400 fps. |
2.
Flight No.: 1-80-140 Scheduled Date: Sept. 12, 1968
Item Time Alt Vel
a
q Event
9. | 290 | 82 | 4150 | 18 | 680 | = -400 fps. Pushover to maintain » -100 fps. |
10. | 338 | 75 | 3450 | 4 | 656 | 50 N.M. Begin gradual turn to Edwards. |
11. | 387 | 70 | 2700 | 4 | 510 | Cuddeback. Pushover to = -400 fps. Vector to Hi-Key. Speed brakes as required. |
12. | High Key - Check flap and "squat" circuit breakers in. Arm stick kicker and third skid. Engine Master OFF. Window shade DOWN. |
Notes:
2. Emergency Lakes: Mud, Grapevine, Cuddeback.
3. Flight duration: Approximately 11 minutes.
4. Flight plan based
on 59,000# thrust at 100%. Engine #103. Total burn time at 100% T (59,000#)
= 88.0 seconds.
Launch Wt. = 35,308#
Burnout Wt = 16,110#
c.g. = 20.0 c.g.
= 14.9
6. Precision attitudes preset: Pitch = 0.0° (90.0)
Roll = 0.0°
(90.0)
Heading = 169°
1. Radio, radar, or TM malfunction.
2. Malfunction or any SAS channel.
3. Malfunction of inertial platform.
4. Malfunction of Ball Nose.
5. Malfunction of either BCS.
6. Malfunction of Precision Heading.
3.
Flight No.: 1-80-140 Scheduled Date: Sept.. 12, 1968
ALTERNATE SITUATIONS AFTER LAUNCH:
Failure Action
1. | Radio or radar | 1. | Proceed as planned. |
2. | Any Damper Failure | 2a. | 0
- 35 seconds
Engage ASAS. Pushover to a = 2° at 35 secs. Proceed to burnoutt. (Vmax = 5750, hmax » 142K). Maintain = -200 fps to 50 N.M. (M = 3.5, h = 75K). |
2b. | 35 secs - Burnout | ||
Engage ASAS. Pushover to a = 2° at failure. Proceed to burnout. Use a = 15° if reentry is required. Do Not extend experiment. | |||
2c. | After Burnout | ||
Engage ASAS. Use a = 15° for reentry. Do not extend experiment. | |||
3. | Ball Nose Failure | 3a. | 0 - 35 seconds |
Pushover to 0g at 35 sec. Proceed to burnout. (Vmax = 5800, hmax = 105K). Fly level to M = 5, then = -200 fps to 50 N.M. (M = 3.0, h = 75K). | |||
3b. | 35 secs - Burnout | ||
Pushover to 0g when failure occurs. Proceed to burnout. Use q = 0° (dhmax = -25°) if reentry is required. Do not extend experiment. | |||
3c. | After Burnout | ||
Use q = 0° (dhmax = -25°) for reentry. Do not extend experiment. | |||
4. | Attitude Failure | 4. | Use a = 5° in place of q = 36° at 28 sec. Proceed with 3a, b, or c as applicable. (Use a = 22° for reentry.) |
4.
Flight No.: 1-80-140 Scheduled Date: Sept.. 12, 1968
ALTERNATE SITUATIONS AFTER LAUNCH:
Failure Action
5. | Inertial Failure | 5. | Proceed as planned. After reentry, pushover when q has peaked and fly 650 q to Edwards. |
6. | Delayed Light | 6. | Use ANmax = 2.5g for rotation. Proceed as planned. |
INADVERTENT ENGINE SHUTDOWN
0 - 46 sec. Smith Ranch
(2500 fps)
46 - 67.5 sec. Mud
(3800 fps)
67.5 - 79 sec. Grapevine
(4600 fps)
79 - 82 sec. Cuddeback
(4900 fps)
82 - Up Edwards
Approved by
J. R. Welsh, Chief, X-15
Research Projects Office