Rocket Motor Guide
Estes Astron Sky Dart II
Estes - Astron Sky Dart II {Kit} (003229)
| 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 | 3.34 | 2:1 | 6:1 | 140.47 | 31.59 | 13.1 | 1.38 | 1.50 | 2.68 | 63 |
| Estes A3T | 3.40 | 3:1 | 7:1 | 173.26 | 30.71 | 8.7 | 1.02 | 1.40 | 2.22 | 53 |
| Estes A10T | 3.29 | 3:1 | 15:1 | 431.51 | 25.60 | 1.6 | 0.88 | 1.20 | 1.88 | 41 |
| Quest C6 | 3.96 | 4:1 | 18:1 | 432.08 | 109.85 | 2.2 | 2.56 | 4.40 | 6.76 | 584 |
| Estes A8 | 3.68 | 4:1 | 11:1 | 283.68 | 33.12 | 2.2 | 0.75 | 1.50 | 2.05 | 52 |
| Apogee C4 | 3.70 | 4:1 | 13:1 | 332.41 | 119.97 | 2.1 | 2.36 | 4.60 | 6.76 | 657 |
| Estes C5 | 3.84 | 5:1 | 24:1 | 496.20 | 142.97 | 1.5 | 2.06 | 5.10 | 6.96 | 731 |
| Estes B4 | 3.77 | 5:1 | 15:1 | 382.58 | 63.82 | 1.6 | 1.06 | 2.80 | 3.66 | 175 |
| Weco C6 | 3.84 | 5:1 | 14:1 | 345.27 | 87.44 | 1.9 | 1.78 | 3.60 | 5.18 | 347 |
| Estes C6 | 3.92 | 6:1 | 16:1 | 407.99 | 133.86 | 1.7 | 1.88 | 5.00 | 6.68 | 626 |
| Estes B6 | 3.74 | 6:1 | 14:1 | 363.72 | 69.26 | 1.8 | 0.89 | 3.00 | 3.69 | 186 |
| Quest A6 | 3.64 | 6:1 | 14:1 | 356.24 | 28.66 | 2.0 | 0.50 | 1.30 | 1.60 | 32 |
| Quest A8 Q-Jet | 3.56 | 6:1 | 13:1 | 295.66 | 24.52 | 2.2 | 0.44 | 1.20 | 1.44 | 23 |
| FSI A6 | 3.67 | 6:1 | 13:1 | 321.96 | 20.27 | 1.9 | 0.48 | 0.80 | 1.08 | 16 |
| Aerotech C6W | 3.91 | 7:1 | 14:1 | 331.61 | 154.75 | 2.0 | 1.68 | 5.40 | 6.88 | 755 |
| Quest B6 | 3.67 | 7:1 | 17:1 | 410.31 | 77.31 | 1.7 | 0.77 | 3.30 | 3.87 | 212 |
| Apogee B7 | 3.42 | 8:1 | 17:1 | 481.60 | 86.82 | 1.5 | 0.81 | 3.50 | 4.11 | 267 |
| Aerotech D8 | 3.77 | 8:1 | 18:1 | 476.70 | 267.19 | 1.4 | 2.50 | 7.00 | 9.30 | 1699 |
| Apogee C10 | 3.72 | 12:1 | 30:1 | 806.59 | 160.22 | 0.9 | 0.96 | 5.60 | 6.36 | 703 |
| Aerotech C12T | 3.87 | 12:1 | 24:1 | 547.76 | 155.59 | 1.3 | 1.01 | 5.50 | 6.31 | 669 |
| Aerotech D13W | 4.26 | 13:1 | 26:1 | 624.90 | 282.74 | 1.0 | 1.75 | 7.30 | 8.85 | 1571 |
| Aerotech D10W | 4.01 | 14:1 | 29:1 | 756.45 | 301.23 | 1.0 | 1.45 | 7.50 | 8.75 | 1586 |
| Apogee D10 | 4.01 | 16:1 | 29:1 | 760.59 | 302.44 | 1.0 | 1.45 | 7.50 | 8.75 | 1588 |
| Aerotech D21T | 3.98 | 24:1 | 37:1 | 987.93 | 333.99 | 0.8 | 0.95 | 7.90 | 8.65 | 1597 |
| Aerotech D24T | 4.19 | 25:1 | 48:1 | 733.68 | 278.38 | 1.0 | 0.96 | 7.50 | 8.26 | 1349 |
| Aerotech E25T | 3.81 | 27:1 | 52:1 | 1472.84 | 408.80 | 0.6 | 1.03 | 8.10 | 8.93 | 1872 |
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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