Rocket Motor Guide
Semroc Starlight
Semroc - Starlight {Kit} (KV-21)
| Motor | Weight oz | TTW Average | TTW Peak | Accel f/s2 | Speed mph | Rod Len feet | Burnout Time sec | Optimal Delay sec | Time to Apogee sec | Altitude feet |
|---|---|---|---|---|---|---|---|---|---|---|
| Apogee A2 | 1.74 | 5:1 | 12:1 | 309.96 | 80.90 | 3.4 | 1.33 | 3.10 | 4.23 | 245 |
| Apogee 1/2A2 | 1.65 | 5:1 | 10:1 | 254.57 | 41.43 | 3.6 | 0.64 | 1.80 | 2.24 | 68 |
| Estes A3T | 1.80 | 5:1 | 14:1 | 368.40 | 71.51 | 1.7 | 1.08 | 2.90 | 3.78 | 195 |
| Estes A10T | 1.69 | 6:1 | 30:1 | 670.49 | 45.22 | 1.2 | 0.93 | 2.00 | 2.73 | 97 |
| Estes 1/4A3T | 1.71 | 6:1 | 12:1 | 307.42 | 20.23 | 2.1 | 0.29 | 1.00 | 1.09 | 14 |
| Apogee 1/4A2 | 1.63 | 6:1 | 13:1 | 358.58 | 20.21 | 2.1 | 0.27 | 1.00 | 1.07 | 13 |
| MPC 1/2A3-M | 1.73 | 7:1 | 12:1 | 317.40 | 34.11 | 2.0 | 0.49 | 1.50 | 1.79 | 45 |
| Estes 1/2A3T | 1.73 | 7:1 | 18:1 | 497.78 | 31.80 | 1.4 | 0.44 | 1.50 | 1.74 | 40 |
| Quest C6 | 2.36 | 8:1 | 37:1 | 729.56 | 182.98 | 1.9 | 2.60 | 5.30 | 7.70 | 1025 |
| Estes A8 | 2.07 | 8:1 | 23:1 | 457.61 | 55.57 | 1.6 | 0.79 | 2.40 | 2.99 | 122 |
| Estes 1/2A6 | 1.99 | 8:1 | 19:1 | 404.81 | 21.81 | 1.8 | 0.40 | 1.00 | 1.20 | 19 |
| Apogee C4 | 2.10 | 9:1 | 27:1 | 597.23 | 192.91 | 1.4 | 2.40 | 5.30 | 7.50 | 1085 |
| Estes C5 | 2.24 | 9:1 | 49:1 | 1190.47 | 236.44 | 1.2 | 2.02 | 5.60 | 7.42 | 1134 |
| Estes B4 | 2.17 | 10:1 | 31:1 | 665.04 | 113.20 | 1.2 | 1.12 | 4.00 | 4.92 | 381 |
| Weco C6 | 2.24 | 11:1 | 30:1 | 509.76 | 170.09 | 1.5 | 1.73 | 5.00 | 6.53 | 733 |
| Estes C6 | 2.31 | 11:1 | 34:1 | 575.66 | 222.13 | 1.4 | 1.94 | 5.60 | 7.34 | 1000 |
| Estes B6 | 2.14 | 12:1 | 29:1 | 532.86 | 123.74 | 1.4 | 0.94 | 4.20 | 4.94 | 408 |
| Quest A6 | 2.04 | 12:1 | 28:1 | 468.87 | 55.17 | 1.6 | 0.45 | 2.40 | 2.65 | 102 |
| Quest A8 Q-Jet | 1.96 | 12:1 | 27:1 | 636.12 | 64.79 | 1.7 | 0.47 | 2.70 | 2.97 | 133 |
| FSI A6 | 2.07 | 13:1 | 28:1 | 545.20 | 57.36 | 1.4 | 0.53 | 2.30 | 2.63 | 102 |
| Aerotech C6W | 2.31 | 14:1 | 28:1 | 597.45 | 253.49 | 1.4 | 1.63 | 5.80 | 7.23 | 1101 |
| Quest B6 | 2.07 | 15:1 | 35:1 | 539.93 | 145.11 | 1.4 | 0.82 | 4.60 | 5.22 | 480 |
| Apogee B7 | 1.82 | 16:1 | 35:1 | 761.28 | 166.17 | 1.2 | 0.77 | 4.80 | 5.37 | 552 |
| Aerotech D8 | 2.17 | 17:1 | 37:1 | 906.26 | 383.96 | 0.9 | 2.46 | 6.00 | 8.26 | 1863 |
| Apogee C10 | 2.12 | 24:1 | 62:1 | 1496.13 | 269.81 | 0.6 | 1.04 | 5.90 | 6.74 | 1015 |
| Aerotech C12T | 2.27 | 26:1 | 49:1 | 1002.60 | 262.74 | 1.1 | 0.98 | 6.00 | 6.78 | 1003 |
| Aerotech D13W | 2.66 | 27:1 | 53:1 | 1078.92 | 411.11 | 0.7 | 1.73 | 6.70 | 8.23 | 1757 |
| Aerotech D10W | 2.41 | 30:1 | 60:1 | 1367.15 | 440.57 | 0.6 | 1.43 | 6.70 | 7.93 | 1708 |
| Apogee D10 | 2.41 | 32:1 | 60:1 | 1374.66 | 447.14 | 0.6 | 1.43 | 6.70 | 7.93 | 1719 |
| Aerotech D21T | 2.38 | 50:1 | 77:1 | 1787.57 | 513.90 | 0.6 | 1.04 | 6.90 | 7.74 | 1679 |
| Aerotech D24T | 2.59 | 52:1 | 99:1 | 1238.23 | 425.34 | 0.7 | 0.94 | 7.10 | 7.84 | 1533 |
| Aerotech E25T | 2.21 | 56:1 | 107:1 | 2707.53 | 613.80 | 0.5 | 1.02 | 6.70 | 7.52 | 1802 |
Weight - The total weight of the rocket, with motor, at lift-off.
TTW Average - The average thrust-to-weight ratio of the rocket.
TTW Peak - The peak thrust-to-weight ratio of the rocket.
Accel - The maximum acceleration experienced by the rocket.
Speed - The maximum speed experienced by the rocket.
Rod Len - The minimal rod/rail length for the rocket to reach a safe speed (9 m/s) for free flight.
Optimal Delay - The optimal delay time (equal to the time from burnout to apogee).
Altitude - The altitude at apogee.
Note: These simulation results should be used with caution. Always double-check to ensure that your flight will be safe.
The Rocket Motor Guide helps you choose the right motor to use in your rocket by running a simulation using each of the motors in the RocketReviews.com motor database.
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