Rocket Motor Guide
Semroc April Dancer
Semroc - April Dancer {Kit} (KA-5) [2005-2014]
| 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 | 2.14 | 4:1 | 9:1 | 242.24 | 59.14 | 5.0 | 1.32 | 2.40 | 3.52 | 149 |
| Apogee 1/2A2 | 2.06 | 4:1 | 8:1 | 197.02 | 30.53 | 5.2 | 0.64 | 1.40 | 1.84 | 40 |
| Estes A3T | 2.20 | 4:1 | 11:1 | 291.09 | 55.70 | 2.4 | 1.01 | 2.30 | 3.11 | 125 |
| Estes A10T | 2.09 | 4:1 | 24:1 | 615.54 | 36.55 | 1.3 | 0.95 | 1.50 | 2.25 | 66 |
| MPC 1/2A3-M | 2.13 | 6:1 | 9:1 | 248.86 | 27.44 | 2.5 | 0.53 | 1.20 | 1.53 | 29 |
| Estes 1/2A3T | 2.13 | 6:1 | 14:1 | 394.41 | 26.12 | 1.6 | 0.45 | 1.20 | 1.45 | 27 |
| Quest C6 | 2.76 | 6:1 | 29:1 | 641.67 | 135.55 | 2.0 | 2.61 | 4.00 | 6.41 | 677 |
| Estes A8 | 2.48 | 6:1 | 18:1 | 414.12 | 45.43 | 1.7 | 0.80 | 1.90 | 2.50 | 84 |
| Estes 1/2A6 | 2.39 | 6:1 | 15:1 | 353.24 | 20.15 | 1.9 | 0.42 | 0.90 | 1.12 | 14 |
| Apogee C4 | 2.50 | 7:1 | 21:1 | 492.56 | 142.55 | 1.6 | 2.41 | 4.10 | 6.31 | 727 |
| Estes C5 | 2.65 | 7:1 | 39:1 | 923.14 | 176.94 | 1.3 | 2.03 | 4.40 | 6.23 | 753 |
| Estes B4 | 2.57 | 8:1 | 24:1 | 581.64 | 91.56 | 1.3 | 1.03 | 3.30 | 4.13 | 258 |
| Weco C6 | 2.64 | 9:1 | 23:1 | 430.31 | 127.84 | 1.6 | 1.74 | 3.90 | 5.44 | 478 |
| Estes C6 | 2.72 | 9:1 | 27:1 | 512.88 | 170.65 | 1.4 | 1.95 | 4.30 | 6.05 | 662 |
| Estes B6 | 2.54 | 10:1 | 23:1 | 493.93 | 100.02 | 1.5 | 0.96 | 3.30 | 4.06 | 271 |
| Quest A6 | 2.44 | 10:1 | 22:1 | 430.12 | 43.85 | 1.7 | 0.46 | 1.90 | 2.16 | 67 |
| Quest A8 Q-Jet | 2.36 | 10:1 | 21:1 | 382.74 | 46.34 | 1.8 | 0.39 | 2.00 | 2.19 | 67 |
| FSI A6 | 2.47 | 10:1 | 22:1 | 443.43 | 39.89 | 1.6 | 0.54 | 1.60 | 1.94 | 52 |
| Aerotech C6W | 2.71 | 11:1 | 22:1 | 493.94 | 200.30 | 1.5 | 1.64 | 4.50 | 5.94 | 733 |
| Quest B6 | 2.47 | 12:1 | 27:1 | 493.88 | 115.33 | 1.5 | 0.84 | 3.60 | 4.24 | 311 |
| Apogee B7 | 2.22 | 13:1 | 28:1 | 658.71 | 131.00 | 1.3 | 0.78 | 3.80 | 4.38 | 364 |
| Aerotech D8 | 2.57 | 13:1 | 29:1 | 732.43 | 296.71 | 1.0 | 2.47 | 4.60 | 6.87 | 1253 |
| Apogee C10 | 2.52 | 19:1 | 49:1 | 1234.44 | 214.29 | 0.7 | 1.05 | 4.60 | 5.45 | 671 |
| Aerotech C12T | 2.67 | 20:1 | 39:1 | 824.40 | 209.37 | 1.2 | 0.99 | 4.70 | 5.49 | 663 |
| Aerotech D13W | 3.07 | 21:1 | 42:1 | 914.63 | 323.36 | 0.7 | 1.74 | 5.10 | 6.64 | 1165 |
| Aerotech D10W | 2.81 | 24:1 | 47:1 | 1139.17 | 342.19 | 0.7 | 1.43 | 5.20 | 6.43 | 1130 |
| Apogee D10 | 2.81 | 25:1 | 48:1 | 1145.52 | 344.88 | 0.7 | 1.44 | 5.20 | 6.44 | 1135 |
| Aerotech D21T | 2.78 | 39:1 | 61:1 | 1488.14 | 399.99 | 0.6 | 1.04 | 5.40 | 6.24 | 1104 |
| Aerotech D24T | 2.99 | 41:1 | 78:1 | 1078.59 | 338.18 | 0.7 | 0.94 | 5.50 | 6.24 | 1015 |
| Aerotech E25T | 2.61 | 44:1 | 84:1 | 2258.66 | 472.54 | 0.5 | 1.02 | 5.30 | 6.12 | 1190 |
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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