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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 80 motors that fit and appear to have enough thrust (697 motors didn't fit, 14 motors failed safety checks). 92 motor had thrust curves available and 181 flight simulations were performed. Browse the motors that did and didn't work right here or download the results as a spreadsheet.

The Rocket

Rocket Name:   BlackOps38
Owner: KenRico
Body Diameter: 38.0mm
Dry Weight: 22.0oz
MMT Diameter: 29.0mm
MMT Length: 11.00in
CD: 0.42

Motors That Work

These motors fit your rocket and appear to have enough thrust to lift it safely. If thrust curves are available, a quick simulation has been run to give a rough idea of the performance of your rocket on this motor. We encourage you to run a more complete simulation with any motor you plan to use; see the simulators page for more info.

  Motor Weight Launch Velocity Accel Altitude Time Delay
OK Cesaroni F36 25.7oz 15m/s 50m/s 10.1G 145m 5.9s 5s
OK AeroTech F37 25.9oz 15m/s 55m/s 5.5G 188m 6.8s 5s
OK Cesaroni F36 25.6oz 15m/s 59m/s 5.1G 207m 7.1s 6s
OK AeroTech F23 24.9oz 15m/s 55m/s 6.0G 216m 7.4s 5s
OK AeroTech F62 25.8oz 19m/s 65m/s 8.0G 232m 7.2s 6s
OK AeroTech F20 24.8oz 15m/s 60m/s 6.0G 258m 8.0s 5s
OK Cesaroni F120 25.7oz 28m/s 73m/s 19.4G 259m 7.4s 7s
OK AeroTech F42 24.7oz 20m/s 67m/s 9.0G 263m 7.7s 6s
OK Cesaroni F59 25.5oz 20m/s 70m/s 9.0G 264m 7.7s 7s
OK AeroTech F25 25.2oz 18m/s 75m/s 7.2G 375m 9.4s 7s
OK AeroTech F50 25.0oz 21m/s 85m/s 9.4G 381m 9.1s 8s
OK AeroTech F52 26.3oz 22m/s 85m/s 9.9G 388m 9.2s 8s
OK AeroTech F40 26.5oz 19m/s 85m/s 8.3G 422m 9.8s 8s
OK AeroTech G54 26.8oz 21m/s 93m/s 10.0G 454m 10.0s 8s
warningsW Estes F50 24.9oz 22m/s 95m/s 10.5G 465m 10.0s 9s
OK Cesaroni G88 27.4oz 23m/s 101m/s 14.3G 487m 10.1s 9s
OK AeroTech G38 26.4oz 16m/s 91m/s 6.2G 500m 10.8s 8s
OK AeroTech G104 26.8oz 27m/s 104m/s 15.3G 510m 10.2s 9s
OK AeroTech G53 27.1oz 22m/s 102m/s 10.5G 552m 10.9s 9s
OK AeroTech G74 25.1oz 23m/s 110m/s 12.3G 556m 10.8s 10s
OK Cesaroni G80 27.1oz 21m/s 114m/s 12.1G 593m 11.1s 10s
warningsW Estes G40 26.3oz 20m/s 110m/s 9.0G 645m 11.8s 10s
OK AeroTech G40 26.3oz 20m/s 110m/s 9.0G 645m 11.8s 10s
OK AeroTech G77 27.8oz 20m/s 119m/s 11.4G 647m 11.7s 10s
OK AeroTech G77 26.3oz 22m/s 127m/s 13.0G 702m 12.0s 11s
OK AeroTech G79 27.5oz 22m/s 125m/s 12.3G 710m 12.1s 11s
OK Cesaroni G68 27.5oz 20m/s 123m/s 11.0G 711m 12.3s 11s
OK Cesaroni G83 27.1oz 23m/s 127m/s 12.3G 719m 12.1s 11s
OK Cesaroni G57 27.1oz 21m/s 121m/s 10.7G 720m 12.4s 10s
OK AeroTech G79 26.4oz 20m/s 127m/s 10.4G 736m 12.5s 11s
OK Cesaroni G250 27.0oz 38m/s 142m/s 38.4G 780m 12.2s 12s
OK AeroTech G76 27.2oz 28m/s 130m/s 19.0G 798m 12.6s 11s
OK AeroTech G64 27.3oz 25m/s 130m/s 13.3G 821m 12.9s 11s
OK Cesaroni G126 27.1oz 28m/s 143m/s 20.1G 827m 12.7s 12s
OK Cesaroni G131 29.1oz 27m/s 147m/s 19.2G 865m 13.0s 12s
OK AeroTech G75 26.6oz 23m/s 141m/s 12.6G 869m 13.2s 11s
OK AeroTech G78 26.4oz 23m/s 147m/s 13.1G 907m 13.4s 12s
OK AeroTech G125 26.4oz 27m/s 160m/s 20.7G 957m 13.5s 13s
OK AeroTech G80 26.5oz 24m/s 154m/s 13.3G 978m 13.8s 12s
OK KBA G82 30.1oz 20m/s 152m/s 11.7G 994m 14.2s 12s
OK Cesaroni G106 28.6oz 23m/s 160m/s 15.5G 1,001m 14.1s 13s
OK KBA G135 30.0oz 25m/s 164m/s 18.8G 1,025m 14.1s 13s
OK AeroTech G75 30.2oz 19m/s 157m/s 9.0G 1,068m 14.8s 12s
OK Cesaroni G54 28.8oz 25m/s 158m/s 14.1G 1,202m 15.5s 13s
OK Cesaroni G125 28.9oz 28m/s 185m/s 19.1G 1,221m 15.1s 14s
OK Cesaroni G118 28.6oz 27m/s 185m/s 18.6G 1,226m 15.2s 14s
OK AeroTech H165 29.1oz 31m/s 190m/s 23.3G 1,234m 15.1s 14s
OK Cesaroni H175 30.7oz 32m/s 190m/s 29.0G 1,238m 15.1s 14s
OK Cesaroni H54 29.4oz 22m/s 164m/s 11.4G 1,260m 16.0s 13s
OK Cesaroni H133 28.7oz 30m/s 190m/s 23.0G 1,266m 15.3s 14s
OK Cesaroni H87 29.2oz 24m/s 186m/s 14.8G 1,294m 15.8s 14s
OK Cesaroni H90 27.7oz 27m/s 190m/s 19.1G 1,312m 15.7s 14s
OK Cesaroni H163 28.6oz 32m/s 199m/s 26.3G 1,313m 15.5s 14s
OK Cesaroni H410 28.4oz 49m/s 210m/s 67.2G 1,331m 15.3s 15s
OK AeroTech H128 29.3oz 31m/s 198m/s 21.8G 1,332m 15.6s 14s
OK Cesaroni H123 30.0oz 26m/s 196m/s 16.9G 1,343m 15.9s 14s
OK AeroTech H238 28.9oz 35m/s 206m/s 29.5G 1,364m 15.6s 15s
OK AeroTech G138 27.2oz 27m/s 209m/s 25.3G 1,372m 15.8s 15s
OK Cesaroni H42 30.5oz 16m/s 165m/s 7.8G 1,373m 17.3s 13s
OK AeroTech H97 31.8oz 22m/s 194m/s 12.0G 1,386m 16.4s 14s
OK AeroTech H115 29.2oz 25m/s 203m/s 14.8G 1,399m 16.1s 14s
OK Cesaroni H118 30.2oz 28m/s 205m/s 19.2G 1,444m 16.3s 15s
OK Cesaroni H237 32.4oz 35m/s 229m/s 35.2G 1,570m 16.6s 16s
OK AeroTech H220 30.8oz 37m/s 233m/s 34.8G 1,608m 16.7s 16s
OK Cesaroni H151 30.4oz 32m/s 229m/s 23.1G 1,633m 17.0s 16s
OK AeroTech H210 30.7oz 35m/s 238m/s 30.8G 1,652m 17.0s 16s
OK Cesaroni H135 30.9oz 29m/s 236m/s 18.3G 1,710m 17.5s 16s
OK Cesaroni H160 31.6oz 30m/s 239m/s 21.0G 1,711m 17.4s 16s
OK Cesaroni H170 30.2oz 33m/s 242m/s 27.3G 1,729m 17.3s 16s
OK AeroTech H182 29.3oz 31m/s 257m/s 24.5G 1,777m 17.5s 16s
OK Cesaroni H53 32.1oz 19m/s 203m/s 9.5G 1,779m 18.8s 14s
OK AeroTech H180 30.9oz 34m/s 252m/s 29.5G 1,792m 17.5s 16s
OK AeroTech H250 31.0oz 41m/s 261m/s 36.9G 1,831m 17.6s 17s
OK AeroTech H135 29.5oz 27m/s 247m/s 18.0G 1,866m 18.1s 16s
OK AeroTech H195 28.9oz 37m/s 282m/s 30.6G 1,961m 18.0s 17s
OK Cesaroni H194 32.0oz 35m/s 274m/s 30.7G 2,007m 18.4s 17s
OK Cesaroni H200 31.7oz 36m/s 280m/s 32.0G 2,056m 18.5s 17s
OK Cesaroni H140 31.8oz 33m/s 272m/s 26.8G 2,110m 18.9s 17s
OK Cesaroni H255 30.2oz 43m/s 309m/s 43.9G 2,197m 18.7s 18s
warningsW,D Estes G80 26.4oz 11:1 thrust/weight ratio (no data)

W Motor total weight unknown, lift-off Weight not accurate.

D No simulation data found for this motor.

Don't like the units? Login to set your preferences. Don't understand the results? See the motor guide help page.

Motors That Fail

These motors fit your rocket, but failed one safety check or another. They may actually work, but you should use them only with caution. We encourage you to run a more complete simulation to verify flight safety; see the simulators page for more info.

  Motor Reason
failedG Estes E16 speed at end of launch guide too slow (10m/s)
failedG AeroTech E23 speed at end of launch guide too slow (14m/s)
failedG AeroTech E16 speed at end of launch guide too slow (12m/s)
failedG AeroTech F27 speed at end of launch guide too slow (14m/s)
failedG Estes F15 speed at end of launch guide too slow (9m/s)
failedG Cesaroni F32 speed at end of launch guide too slow (13m/s)
failedG Cesaroni F29 speed at end of launch guide too slow (13m/s)
failedG Cesaroni F31 speed at end of launch guide too slow (14m/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (4:1)
failedG AeroTech F26 speed at end of launch guide too slow (14m/s)
failedG AeroTech F22 speed at end of launch guide too slow (12m/s)
failedG Apogee F10 speed at end of launch guide too slow (11m/s)
failedG AeroTech G25 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G33 speed at end of launch guide too slow (13m/s)

G These simulations were run with a launch guide length of 2m (rod, rail or tower). If this is not correct, launch guide lengths can be specified for your saved rockets. (The minimum velocity required is approximately 15m/s or 50ft/s.)

5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.

Download the Results

The data is presented in a compact form in the tables above, broken down by motors that worked and those that did not. If you would like to analyze the data further, this section provides download links for files in a generic spreadsheet format (comma-separated value, or CSV) that can be opened with almost any spreadsheet program.

CSV Excel   Download full details of the simulation runs with the various motors:
that worked, that failed, or all of them.
 
RockSim   Download the list of motors that fit your rocket into a batch for use with SMARTSim. (See the Simulators page for more info.)

You should download these files to your machine and then open them. Normally, clicking the link will prompt you to do this. However, if your browser insists on opening the file as plain text, you can right-click (control-click on the Mac) on the link and chose Save File As (or similar).

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