X-15 FLIGHT REQUEST




Flight No.: 1-48-75 Scheduled Date : May 12, 1964

Pilot: Capt. Joe Engle

Purpose of Flight: Phase II Optical Degradation Experiment, and Altitude Buildup.

Launch: Delamar Lake #1 on magnetic heading 214°, SAS Hi-Lo-Hi (8-4-8), ASAS "ARMED", both BCS "ON", RAS "OFF," Auto Cutoff "OFF," heading vernier to "Standby," Ventral OFF.

Launch Point Coordinates: 37° 18' N, 114° 36' W
 
 
 No. Time Alt Vel a q  Event
             
1. 0 45 790 2 145 Launch, light engine, increase to 100% T. Rotate at 11° a (» 2g) until q = 30°.
             
2. 22 48 1650 11 545 q = 30°. Maintain q = 30°.
             
3. 81 123 5200 6 150 Shutdown. Check b = 0. Switch heading vernier to "STANDBY." Maintain a» 5°.
             
4. 112 176 4860 5 16 Nellis - (Manual E).
             
5. 133 190 4780 5 10 Pushover to a = 0°. (q» +5°).
             
6. 156 200 4700 0 7 Peak altitude. Maintain q» 0 to 20° a.
             
7. 159 199 4720 0 7 Pahrump (Manual F) - Maintain q and f within ±8°. Extend speed brakes to 20°.
             
8. 203 162 4950 20 28 a = 20° - Maintain a = 20° until Hdot » -800 fps. Heading vernier to "Standby."
             
9. 250 89 4200 20 490 Hdot » -800 fps, pushover to maintain Hdot » -600 fps, extend speed brakes to 35°. (Max reentry g = 4.0, Qbar » 500 psf.)
             
10. 264 80 3900 3 660 Pilot Knob - Maintain q and f within ±8°. (Manual B).
             
11 294 64 3100 3 890 Cuddeback - Maintain q and f within ±8°. (Manual "B"). Vector to High Key, speed brakes as required. Engine Master Off.
             
12.           High key - Check flap and "Squat" circuit breakers in.
             
13.           Before APU shutdown, cycle flaps, set stabilizer trim to zero, data off.

 

NOTES:

1. q vernier will be set at 30°, a crosspointer will null at 20°.

2. Emergency Lakes: Hidden Hills, Cuddeback.

3. Flight Duration: Approximately 10 minutes.

4. Flight plan based on 58,500# thrust engine.

(minimum thrust = 35,000#) - Engine #109

Total burn time at 100% = 86 sec.

Launch wt. = 33,500#, Burnout wt. = 15,300#.

5. Manual V/H settings:

A = .053 D = .031

B = .049 E = .027

C = .045 F = .023

 GROUND RULES FOR NO LAUNCH: 1. Radio, Radar or TM malfunction.

2. Malfunction of any SAS channel.

3. Malfunction of inertial platform.

4. Total Ball Nose failure.

5. APU gearbox pressurization malfunction.

6. "Test" malfunction.

 ALTERNATE SITUATIONS AFTER LAUNCH:
 
 
Failure
  
Action
       
1. Radio or Radar   Proceed as planned.
       
2. Total Pitch Damper

Total Roll Damper

(Turn Yaw Damper OFF)

Total Yaw Damper

Failure to ASAS

 (a) 0 - 40 sec.

Pushover to 2° a at 40 sec., reduce to min. T at 50 sec., extend speed brakes to 20° at 60 sec. and shut down at 5000 fps. Retract speed brakes after shutdown. (Hmax » 110K).
       
    (b) 40 sec. - S.D.

Pushover to 2° a, reduce to min. T, and extend S.B. to 20° when failure occurs; shutdown at 5000 fps, RAS "ON." Reenter at 15° a.
       
    (c) After S.D.

Proceed as planned, reenter at 15° a.
       
3. Attitude (a) 0 - 40 sec.

Use 5° a at 22 sec. instead of 30° q, then proceed with 2 (a).
       
    (b) 40 sec. - S.D.

Same as 2 (b)
       
    (c) After S.D.

Proceed as planned.
       
4. Ball Nose (a) 0 - 40 sec.

Same as 2 (a) except use » .1 g instead of 2° a. Heading vernier to ·y.
       
    (b) 40 sec. - S.D.

Same as 2 (b), except use » .1 g instead of 2° a. Use q = -5° for reentry. Heading vernier to ·y.
       
    (c) After S.D.

Use q = -5° for reentry. Heading vernier to ·y.
       
5. Delayed engine light   Proceed - shut down at 5200 fps.
       
6. Inadvertent engine shutdown:

00 - 47 sec. Delamar Lake

47 - 65 sec. Hidden Hills (2700 fps)

65 - 69 sec. Cuddeback (3900 fps)

69 - Up Edwards (4200 fps)