Rocket Motor Guide
Estes Goblin
Estes - Goblin {Kit} (7237) [2015-]
| 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 | 2.24 | 3:1 | 9:1 | 229.54 | 57.34 | 5.5 | 1.35 | 2.30 | 3.45 | 145 |
| Apogee 1/2A2 | 2.16 | 3:1 | 7:1 | 186.27 | 29.82 | 5.6 | 0.66 | 1.40 | 1.86 | 39 |
| Estes A3T | 2.30 | 4:1 | 10:1 | 276.52 | 53.52 | 2.7 | 1.03 | 2.20 | 3.03 | 119 |
| Estes A10T | 2.19 | 4:1 | 23:1 | 598.47 | 35.26 | 1.3 | 0.95 | 1.50 | 2.25 | 62 |
| MPC B3-M | 2.36 | 5:1 | 9:1 | 236.14 | 99.34 | 3.0 | 1.96 | 3.20 | 4.96 | 339 |
| MPC A3-M | 2.26 | 5:1 | 9:1 | 236.14 | 53.19 | 3.0 | 0.96 | 2.10 | 2.86 | 110 |
| MPC 1/2A3-M | 2.23 | 5:1 | 9:1 | 236.06 | 27.08 | 2.6 | 0.44 | 1.20 | 1.44 | 28 |
| Estes 1/2A3T | 2.23 | 5:1 | 14:1 | 375.02 | 25.70 | 1.7 | 0.36 | 1.20 | 1.36 | 24 |
| Quest C6 | 2.86 | 6:1 | 28:1 | 623.87 | 133.27 | 2.0 | 2.62 | 4.00 | 6.42 | 669 |
| Estes A8 | 2.58 | 6:1 | 18:1 | 403.30 | 43.79 | 1.7 | 0.81 | 1.90 | 2.51 | 80 |
| Estes 1/2A6 | 2.49 | 6:1 | 14:1 | 342.66 | 20.33 | 1.9 | 0.42 | 0.90 | 1.12 | 14 |
| Apogee C4 | 2.60 | 7:1 | 20:1 | 473.82 | 140.60 | 1.6 | 2.42 | 4.10 | 6.32 | 719 |
| Estes C5 | 2.74 | 7:1 | 37:1 | 874.32 | 174.12 | 1.3 | 2.03 | 4.40 | 6.23 | 750 |
| Estes B4 | 2.67 | 7:1 | 23:1 | 564.06 | 88.28 | 1.3 | 1.04 | 3.20 | 4.04 | 249 |
| Weco C6 | 2.74 | 9:1 | 22:1 | 422.21 | 123.59 | 1.6 | 1.75 | 3.90 | 5.45 | 465 |
| Estes C6 | 2.81 | 9:1 | 25:1 | 502.18 | 167.05 | 1.5 | 1.96 | 4.40 | 6.16 | 655 |
| Estes B6 | 2.64 | 9:1 | 22:1 | 481.74 | 96.39 | 1.5 | 0.96 | 3.30 | 4.06 | 261 |
| Quest A6 | 2.54 | 9:1 | 21:1 | 424.63 | 41.78 | 1.7 | 0.47 | 1.80 | 2.07 | 63 |
| Quest A8 Q-Jet | 2.46 | 9:1 | 20:1 | 372.79 | 42.55 | 1.9 | 0.40 | 1.80 | 2.00 | 59 |
| Aerotech E6RCT | 3.86 | 9:1 | 21:1 | 396.28 | 213.02 | 1.8 | 7.61 | 4.50 | 11.11 | 2410 |
| Aerotech E7RCT | 3.71 | 10:1 | 21:1 | 387.55 | 208.72 | 1.9 | 5.62 | 5.00 | 9.62 | 1896 |
| FSI A6 | 2.57 | 10:1 | 21:1 | 432.86 | 35.46 | 1.6 | 0.55 | 1.40 | 1.75 | 43 |
| Aerotech C6W | 2.81 | 11:1 | 21:1 | 475.86 | 195.58 | 1.6 | 1.64 | 4.60 | 6.04 | 732 |
| Quest B6 | 2.57 | 11:1 | 26:1 | 485.56 | 110.67 | 1.5 | 0.84 | 3.60 | 4.24 | 300 |
| Apogee E6 | 3.63 | 11:1 | 36:1 | 730.64 | 249.79 | 1.2 | 6.07 | 5.00 | 10.07 | 2334 |
| Aerotech D7T | 3.49 | 12:1 | 20:1 | 373.01 | 217.26 | 1.6 | 2.94 | 5.20 | 7.94 | 1269 |
| Apogee B7 | 2.32 | 12:1 | 27:1 | 658.26 | 126.12 | 1.3 | 0.78 | 3.80 | 4.38 | 356 |
| Aerotech D8 | 2.67 | 13:1 | 28:1 | 701.66 | 290.19 | 1.0 | 2.47 | 4.70 | 6.97 | 1267 |
| Aerotech E10 | 3.42 | 15:1 | 35:1 | 732.83 | 406.87 | 1.3 | 4.12 | 5.00 | 8.92 | 2208 |
| QUEST D8 | 18.01 | 16:1 | 52:1 | 161.61 | 36.39 | 4.4 | 2.22 | 1.70 | 3.72 | 117 |
| Estes D11 | 3.58 | 17:1 | 47:1 | 951.95 | 276.67 | 1.5 | 1.95 | 5.30 | 7.05 | 1159 |
| Apogee C10 | 2.62 | 18:1 | 46:1 | 1183.38 | 208.21 | 0.7 | 1.05 | 4.70 | 5.55 | 672 |
| Aerotech D9W | 3.66 | 18:1 | 36:1 | 597.95 | 295.04 | 2.6 | 1.97 | 5.60 | 7.37 | 1169 |
| Estes D12 | 3.50 | 18:1 | 54:1 | 1035.03 | 277.00 | 1.5 | 1.75 | 5.40 | 6.95 | 1101 |
| Aerotech C12T | 2.77 | 19:1 | 37:1 | 790.79 | 203.33 | 1.2 | 0.99 | 4.80 | 5.59 | 661 |
| Estes C11 | 3.25 | 20:1 | 39:1 | 792.83 | 186.34 | 1.6 | 0.86 | 4.80 | 5.46 | 593 |
| Aerotech E12RCJ | 4.10 | 20:1 | 33:1 | 639.62 | 372.85 | 1.0 | 3.08 | 5.60 | 8.48 | 1917 |
| Aerotech D13W | 3.16 | 20:1 | 40:1 | 881.45 | 318.72 | 0.8 | 1.74 | 5.20 | 6.74 | 1178 |
| Aerotech E11J | 4.20 | 21:1 | 35:1 | 611.47 | 366.37 | 1.3 | 2.90 | 5.70 | 8.40 | 1833 |
| Aerotech D10W | 2.91 | 22:1 | 45:1 | 1094.16 | 336.39 | 0.7 | 1.43 | 5.30 | 6.53 | 1146 |
| Apogee D10 | 2.91 | 24:1 | 45:1 | 1100.24 | 339.36 | 0.8 | 1.44 | 5.30 | 6.54 | 1152 |
| Aerotech D15T | 3.55 | 25:1 | 51:1 | 960.15 | 311.34 | 0.8 | 1.44 | 5.70 | 6.94 | 1164 |
| Aerotech F12 | 4.35 | 27:1 | 42:1 | 782.83 | 439.74 | 0.9 | 2.96 | 5.90 | 8.66 | 2164 |
| Aerotech E15W | 3.77 | 27:1 | 52:1 | 1016.02 | 414.73 | 0.7 | 2.64 | 5.90 | 8.34 | 2050 |
| Aerotech E18W | 4.01 | 33:1 | 56:1 | 1060.92 | 472.18 | 0.7 | 2.25 | 6.00 | 8.05 | 1940 |
| Aerotech E20W | 3.73 | 36:1 | 62:1 | 1222.86 | 467.56 | 0.7 | 1.79 | 6.10 | 7.69 | 1718 |
| Aerotech D21T | 2.88 | 38:1 | 58:1 | 1429.13 | 393.88 | 0.6 | 1.04 | 5.50 | 6.34 | 1123 |
| Aerotech D24T | 3.09 | 39:1 | 74:1 | 1038.87 | 332.36 | 0.8 | 0.95 | 5.70 | 6.45 | 1028 |
| CTI 24E22-13A | 3.99 | 40:1 | 55:1 | 1054.09 | 409.91 | 0.7 | 1.14 | 6.30 | 7.24 | 1354 |
| Aerotech F24 | 4.20 | 40:1 | 74:1 | 1294.81 | 513.99 | 0.9 | 2.17 | 6.40 | 8.37 | 2155 |
| Aerotech E25T | 2.71 | 42:1 | 80:1 | 2184.16 | 465.12 | 0.5 | 1.02 | 5.40 | 6.22 | 1217 |
| CTI 26E31-15A | 3.83 | 53:1 | 79:1 | 1533.65 | 462.95 | 0.6 | 0.93 | 6.40 | 7.13 | 1385 |
| Aerotech E30T | 3.53 | 58:1 | 87:1 | 1862.54 | 588.05 | 0.5 | 1.22 | 6.10 | 7.12 | 1731 |
| Aerotech E28T | 3.92 | 59:1 | 91:1 | 1684.46 | 550.58 | 0.6 | 1.23 | 6.50 | 7.53 | 1786 |
| Estes E30T | 3.51 | 59:1 | 89:1 | 1947.48 | 519.79 | 0.5 | 1.02 | 6.20 | 7.02 | 1537 |
| Aerotech F39 | 4.12 | 67:1 | 107:1 | 1976.00 | 620.73 | 0.5 | 1.42 | 6.60 | 7.82 | 2040 |
| Aerotech F44W | 3.69 | 77:1 | 117:1 | 2363.82 | 724.57 | 0.8 | 1.07 | 6.30 | 7.17 | 1753 |
| Aerotech E50 | 3.35 | 94:1 | 99:1 | 2072.46 | 724.39 | 0.7 | 0.84 | 6.20 | 6.84 | 1652 |
| CTI 25E75-17A | 3.83 | 133:1 | 171:1 | 3333.04 | 415.47 | 0.4 | 0.41 | 6.30 | 6.51 | 1136 |
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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