Rocket Motor Guide
Estes Maxi Alpha III
Estes - Maxi Alpha III {Kit} (001903, 1321) [1979-1985,2000,2011-]
| 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 C4 | 7.20 | 2:1 | 6:1 | 140.50 | 36.33 | 3.8 | 2.39 | 1.60 | 3.79 | 142 |
| Estes C5 | 7.34 | 2:1 | 11:1 | 305.48 | 49.51 | 2.0 | 2.02 | 2.00 | 3.82 | 159 |
| Estes B4 | 7.27 | 2:1 | 7:1 | 176.84 | 24.41 | 12.0 | 1.04 | 1.10 | 1.94 | 39 |
| Weco C6 | 7.34 | 3:1 | 7:1 | 173.70 | 30.82 | 10.3 | 1.76 | 1.40 | 2.96 | 79 |
| Estes C6 | 7.41 | 3:1 | 8:1 | 199.21 | 51.60 | 6.0 | 1.91 | 2.10 | 3.81 | 153 |
| Estes B6 | 7.24 | 3:1 | 7:1 | 167.06 | 28.04 | 6.6 | 0.94 | 1.20 | 1.94 | 42 |
| Aerotech E6RCT | 8.46 | 3:1 | 6:1 | 145.68 | 84.01 | 3.6 | 7.24 | 3.00 | 9.24 | 880 |
| Aerotech E7RCT | 8.31 | 3:1 | 6:1 | 140.68 | 81.14 | 3.8 | 5.76 | 3.00 | 7.76 | 661 |
| Aerotech C6W | 7.41 | 3:1 | 6:1 | 154.49 | 65.49 | 3.3 | 1.69 | 2.20 | 3.69 | 189 |
| Quest B6 | 7.17 | 3:1 | 8:1 | 207.06 | 34.42 | 4.8 | 0.84 | 1.40 | 2.04 | 52 |
| Apogee E6 | 8.23 | 3:1 | 11:1 | 277.31 | 104.20 | 2.1 | 6.14 | 3.50 | 8.64 | 905 |
| Aerotech D7T | 8.09 | 4:1 | 6:1 | 131.84 | 84.91 | 3.7 | 2.89 | 3.00 | 5.69 | 415 |
| Apogee B7 | 6.92 | 4:1 | 8:1 | 218.04 | 36.06 | 2.8 | 0.80 | 1.50 | 2.10 | 60 |
| Aerotech D8 | 7.27 | 4:1 | 8:1 | 219.20 | 103.70 | 2.5 | 2.48 | 3.00 | 5.28 | 457 |
| Aerotech E10 | 8.02 | 5:1 | 11:1 | 259.20 | 172.03 | 2.3 | 4.11 | 3.20 | 7.11 | 930 |
| QUEST D8 | 22.61 | 5:1 | 16:1 | 120.72 | 20.37 | 31.0 | 2.26 | 0.90 | 2.96 | 60 |
| Estes D11 | 8.18 | 5:1 | 14:1 | 314.85 | 105.58 | 2.1 | 1.93 | 3.30 | 5.03 | 383 |
| Apogee C10 | 7.22 | 5:1 | 14:1 | 390.14 | 70.72 | 1.7 | 1.02 | 2.60 | 3.42 | 181 |
| Estes D12 | 8.10 | 6:1 | 16:1 | 332.99 | 104.27 | 2.1 | 1.73 | 3.30 | 4.83 | 355 |
| Aerotech C12T | 7.37 | 6:1 | 11:1 | 297.85 | 70.45 | 1.9 | 0.97 | 2.60 | 3.37 | 174 |
| Estes C11 | 7.84 | 6:1 | 12:1 | 273.56 | 62.51 | 2.3 | 0.85 | 2.50 | 3.15 | 135 |
| Aerotech E12RCJ | 8.70 | 6:1 | 10:1 | 245.53 | 162.95 | 2.2 | 3.06 | 3.70 | 6.56 | 788 |
| Aerotech D13W | 7.76 | 6:1 | 12:1 | 314.96 | 127.21 | 1.7 | 1.80 | 3.30 | 4.90 | 432 |
| Aerotech E11J | 8.80 | 6:1 | 11:1 | 241.44 | 161.82 | 2.4 | 2.89 | 3.60 | 6.29 | 738 |
| Aerotech D10W | 7.51 | 7:1 | 14:1 | 371.44 | 131.50 | 1.8 | 1.40 | 3.60 | 4.80 | 427 |
| Apogee D10 | 7.51 | 7:1 | 14:1 | 373.58 | 132.27 | 1.8 | 1.41 | 3.60 | 4.81 | 428 |
| Aerotech D15T | 8.15 | 8:1 | 16:1 | 381.06 | 129.38 | 1.5 | 1.49 | 3.50 | 4.79 | 421 |
| Aerotech F12 | 8.95 | 8:1 | 13:1 | 294.09 | 203.27 | 1.8 | 3.02 | 3.80 | 6.62 | 925 |
| Aerotech E15W | 8.37 | 8:1 | 16:1 | 403.05 | 186.56 | 1.4 | 2.69 | 4.00 | 6.49 | 871 |
| Aerotech E18W | 8.61 | 10:1 | 17:1 | 422.99 | 213.34 | 1.3 | 2.29 | 4.00 | 6.09 | 827 |
| Aerotech E20W | 8.33 | 11:1 | 19:1 | 481.61 | 206.75 | 1.2 | 1.83 | 4.10 | 5.73 | 724 |
| Aerotech D21T | 7.48 | 11:1 | 18:1 | 488.20 | 152.82 | 1.2 | 0.98 | 3.90 | 4.68 | 433 |
| Aerotech D24T | 7.69 | 12:1 | 23:1 | 369.24 | 127.56 | 1.7 | 0.91 | 3.70 | 4.41 | 351 |
| CTI 24E22-13A | 8.59 | 12:1 | 17:1 | 419.95 | 176.69 | 1.8 | 1.10 | 4.20 | 5.10 | 525 |
| Aerotech F24 | 8.80 | 12:1 | 22:1 | 539.37 | 236.28 | 1.4 | 2.21 | 4.30 | 6.31 | 926 |
| Aerotech E25T | 7.31 | 13:1 | 24:1 | 712.21 | 182.67 | 0.9 | 0.95 | 4.10 | 4.85 | 512 |
| CTI 26E31-15A | 8.43 | 16:1 | 24:1 | 614.80 | 197.27 | 1.3 | 0.87 | 4.40 | 5.07 | 553 |
| Aerotech E30T | 8.13 | 18:1 | 26:1 | 718.71 | 257.86 | 0.9 | 1.25 | 4.50 | 5.55 | 772 |
| Aerotech E28T | 8.52 | 18:1 | 28:1 | 681.25 | 248.42 | 1.0 | 1.25 | 4.60 | 5.65 | 771 |
| Estes E30T | 8.11 | 18:1 | 27:1 | 730.42 | 225.78 | 1.0 | 1.05 | 4.40 | 5.25 | 651 |
| Aerotech F39 | 8.72 | 20:1 | 32:1 | 814.66 | 287.24 | 0.8 | 1.34 | 4.70 | 5.84 | 904 |
| Aerotech F44W | 8.29 | 23:1 | 36:1 | 930.46 | 311.72 | 1.2 | 1.01 | 4.70 | 5.51 | 775 |
| Aerotech E50 | 7.95 | 28:1 | 30:1 | 765.69 | 313.86 | 0.9 | 0.87 | 4.80 | 5.47 | 770 |
| CTI 25E75-17A | 8.43 | 40:1 | 52:1 | 1366.21 | 182.28 | 0.7 | 0.33 | 4.30 | 4.43 | 426 |
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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