El Lubbo F20 computer run ENTER NEXT ENDPOINT ENTER TIME (SEC)= 0 ENTER THRUST (LBS)=4.5 ENTER NEXT ENDPOINT ENTER TIME (SEC)= 4 ENTER THRUST (LBS)=4.5 TOTAL IMPULSE POUND-SECONDS = 18 TOTAL IMPULSE NEWTON-SECONDS = 80.064 AVERAGE THRUST NEWTONS = 20.016 AVERAGE THRUST POUNDS = 4.5 SPECIFIC IMPULSE (LB-SEC/LB) = 194.142857 HOW MANY MOTORS (OF THE SAME TYPE) DOES THE ROCKET USE? (IF MORE THAN 1, ENTER TOTAL PROPELLANT WEIGHT OF ENTIRE CLUSTER FOR PROPELLANT WEIGHT OF ROCKET) ENTER NUMBER OF MOTORS= 1 MALEWICKI CHART DATA (ALT v WEIGHT)? (YES=1,NO=2) 1 ENTER LOWEST REALISTIC WEIGHT OF ROCKET VEHICLE (LBS): 0.9 ENTER MAXIMUM LIFT-OFF WEIGHT OF ROCKET VEHICLE (LBS): 1.8 ENTER WEIGHT INCREMENT, DELTA W (LBS) 0.1 ENTER ROCKET OVERALL REPRESENTATIVE SUBSONIC CD, CDr (THE OVERALL REPRESENTATIVE SUBSONIC CD IS THE AVERAGE OF THE CD VALUES AT REYNOLDS NO. OF 10^6 AND 10^7) 0.35 ENTER MAXIMUM DIAMETER OF ROCKET (INCHES): 4 ENTER LENGTH OF ROCKET (INCHES): 47 ENTER TEMPERATURE OF AIR AT LAUNCH SITE (DEG F) (SEA LEVEL=59 F, LUCERNE DRY LAKE=80 F) 80 ENTER AIR PRESSURE AT LAUNCH SITE (IN-HG) (SEA LEVEL=29.92, LUCERNE DRY LAKE=27.6575) 28 SPEED OF SOUND AT LAUNCH SITE (FT/SEC)= 1138.822251 CDA (IN^2)=4.3981 ORBIT.BAS COPYRIGHT JERRY IRVINE WEIGHT ALTITUDE BURNOUT BURNOUT MACH ALTITUDE COAST (LBS) (FT) ALT (FT) VEL(FPS) MAX (MILES) TIME (S) --------- --------- --------- --------- --------- ---------- --------- 0.9 1402.3 766.3 314.7 0.3 0.3 5.4 1.0 1336.7 701.8 298.1 0.3 0.3 5.5 1.1 1264.6 642.7 281.0 0.2 0.2 5.5 1.2 1187.7 588.8 263.7 0.2 0.2 5.5 1.3 1107.8 539.7 246.7 0.2 0.2 5.4 1.4 1026.6 495.0 230.2 0.2 0.2 5.3 1.5 945.8 454.4 214.4 0.2 0.2 5.2 1.6 866.8 417.3 199.4 0.2 0.2 5.0 1.7 790.7 383.5 185.2 0.2 0.1 4.8 1.8 718.3 352.7 171.8 0.2 0.1 4.5 El Lubbo E50 computer run ENTER NEXT ENDPOINT ENTER TIME (SEC)= 0 ENTER THRUST (LBS)=11.2 ENTER NEXT ENDPOINT ENTER TIME (SEC)= 0.8 ENTER THRUST (LBS)=11.2 TOTAL IMPULSE POUND-SECONDS = 8.96 TOTAL IMPULSE NEWTON-SECONDS = 39.85408 AVERAGE THRUST NEWTONS = 49.8176 AVERAGE THRUST POUNDS = 11.2 SPECIFIC IMPULSE (LB-SEC/LB) = 184.494545 HOW MANY MOTORS (OF THE SAME TYPE) DOES THE ROCKET USE? (IF MORE THAN 1, ENTER TOTAL PROPELLANT WEIGHT OF ENTIRE CLUSTER FOR PROPELLANT WEIGHT OF ROCKET) ENTER NUMBER OF MOTORS= 1 VERIFY THE ENTIRE THRUST CURVE? (YES=1 N0=2) 2 MALEWICKI CHART DATA (ALT v WEIGHT)? (YES=1,NO=2) 1 ENTER LOWEST REALISTIC WEIGHT OF ROCKET VEHICLE (LBS): .7 ENTER MAXIMUM LIFT-OFF WEIGHT OF ROCKET VEHICLE (LBS): 2 ENTER WEIGHT INCREMENT, DELTA W (LBS) .1 ENTER ROCKET OVERALL REPRESENTATIVE SUBSONIC CD, CDr (THE OVERALL REPRESENTATIVE SUBSONIC CD IS THE AVERAGE OF THE CD VALUES AT REYNOLDS NO. OF 10^6 AND 10^7) .25 ENTER MAXIMUM DIAMETER OF ROCKET (INCHES): 4 ENTER LENGTH OF ROCKET (INCHES): 44 ENTER TEMPERATURE OF AIR AT LAUNCH SITE (DEG F) (SEA LEVEL=59 F, LUCERNE DRY LAKE=80 F) 80 ENTER AIR PRESSURE AT LAUNCH SITE (IN-HG) (SEA LEVEL=29.92, LUCERNE DRY LAKE=27.6575) 29 SPEED OF SOUND AT LAUNCH SITE (FT/SEC)= 1138.822251 1 CDA (IN^2)=3.1415 ORBIT98.BAS COPYRIGHT JERRY IRVINE WEIGHT ALTITUDE BURNOUT BURNOUT MACH ALTITUDE COAST (LBS) (FT) ALT (FT) VEL(FPS) MAX (MILES) TIME (S) --------- --------- --------- --------- --------- --------- --------- 0.70 904.24 150.36 360.75 0.32 0.17 6.00 0.80 846.00 131.59 319.18 0.28 0.16 6.00 0.90 780.39 116.59 284.94 0.25 0.15 5.90 1.00 712.33 104.38 256.46 0.23 0.13 5.70 1.10 645.24 94.25 232.49 0.20 0.12 5.50 1.20 581.51 85.73 212.11 0.19 0.11 5.30 1.30 522.45 78.48 194.59 0.17 0.10 5.10 1.40 468.92 72.23 179.41 0.16 0.09 4.80 1.50 420.69 66.79 166.12 0.15 0.08 4.60 1.60 377.68 62.01 154.42 0.14 0.07 4.40 1.70 339.73 57.79 144.03 0.13 0.06 4.10