Rocket Motor Guide

Enter the name of the rocket. You can optionally select a rocket from the list that may appear as you type.
Enter the diameter of the rocket's body.
Enter the weight of the rocket without the motor.
Enter the diameter of the rocket's motor mount. This sets the largest diameter motor which will fit.
Enter the length of the rocket's motor mount. This sets the longest motor which will fit.
Select the approximate drag of the rocket. Sleeker rockets with a smooth finish will have lower drag.

Custom Rockets Elite

Custom Rockets - Elite {Kit} (10025) [1999-]

MotorWeight
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 A21.048:122:1566.19147.971.21.324.505.62529
Apogee 1/2A20.969:118:1475.9776.891.50.723.003.52189
Estes A3T1.1010:126:1613.46125.811.21.034.205.03411
Estes A10T0.9911:157:1819.63101.621.10.913.604.31303
Estes 1/4A3T1.0211:122:1523.9423.151.40.331.101.2320
Apogee 1/4A20.9311:124:1657.4628.191.10.311.301.4128
MPC 1/2A3-M1.0313:122:1445.3863.321.60.442.602.84125
Estes 1/2A3T1.0314:134:1738.1854.741.10.412.302.5198
Quest C61.6614:169:11155.43274.401.72.566.508.861649
Estes A81.3814:144:1544.18100.571.40.763.804.36303
Estes 1/2A61.2915:135:1511.7546.721.50.372.102.2772
Apogee C41.4017:151:1968.08281.561.02.376.308.471656
Estes C51.5518:192:11900.28349.851.12.006.508.301715
Estes B41.4719:157:1812.02185.201.01.105.406.30728
Weco C61.5421:156:11210.92270.651.21.806.007.601243
Estes C61.6221:163:1883.64346.151.21.926.708.421605
Estes B61.4423:155:1762.95201.851.20.925.606.32764
Quest A61.3423:153:1842.70100.081.40.423.804.02268
Quest A8 Q-Jet1.2623:150:11015.44108.331.50.443.904.14290
FSI A61.3724:152:1996.8688.131.20.503.303.60212
Aerotech C6W1.6127:153:1903.34371.041.21.706.808.301663
Quest B61.3728:165:11084.70249.601.20.805.906.50883
Apogee B71.1230:166:11381.98280.410.90.745.806.34938
Aerotech D81.4732:169:11472.56576.770.72.456.708.952588
Apogee C101.4245:1116:12350.64405.370.61.046.807.641507
Aerotech C12T1.5748:193:11549.30390.130.90.977.107.871533
Aerotech D13W1.9651:1100:11558.19574.970.61.727.909.422519
Aerotech D10W1.7156:1112:12081.04631.110.51.427.608.822403
Apogee D101.7160:1113:12092.50639.950.51.427.608.822426
Aerotech D21T1.6894:1144:12733.07736.890.51.037.708.532339
Aerotech D24T1.8998:1186:11589.60600.160.60.938.208.932199
Aerotech E25T1.51105:1200:14174.51897.230.41.017.208.012407

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.