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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 34 motors that fit and appear to have enough thrust (763 motors didn't fit, 14 motors failed safety checks). 48 motor had thrust curves available and 88 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:   Tommy 2.5
Owner: Wayne Comfort
Body Diameter: 1.83in
Dry Weight: 12.0oz
MMT Diameter: 24.0mm
MMT Length: 12.00in
CD: 0.70

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 AeroTech D15 13.7oz 51ft/s 124ft/s 6.9G 302ft 4.6s 3s
OK Cesaroni E75 13.8oz 89ft/s 196ft/s 23.3G 480ft 5.4s 5s
OK Cesaroni E31 13.8oz 54ft/s 187ft/s 9.5G 505ft 5.7s 5s
OK Estes E30 13.7oz 63ft/s 245ft/s 11.9G 760ft 6.8s 6s
OK AeroTech E20 13.7oz 54ft/s 226ft/s 8.1G 774ft 7.1s 5s
OK AeroTech E18 14.1oz 51ft/s 234ft/s 6.9G 881ft 7.6s 5s
OK AeroTech E15 13.7oz 49ft/s 227ft/s 6.9G 886ft 7.8s 5s
OK AeroTech E28 14.0oz 65ft/s 275ft/s 12.0G 930ft 7.4s 6s
OK AeroTech E30 13.7oz 68ft/s 279ft/s 11.7G 942ft 7.4s 6s
OK AeroTech F44 13.7oz 77ft/s 319ft/s 16.2G 1,020ft 7.6s 7s
OK AeroTech F62 15.1oz 72ft/s 330ft/s 16.3G 1,080ft 7.8s 7s
OK AeroTech F30 14.5oz 55ft/s 308ft/s 8.5G 1,112ft 8.2s 7s
OK AeroTech F24 14.2oz 60ft/s 287ft/s 9.4G 1,149ft 8.3s 6s
OK AeroTech F63 14.9oz 78ft/s 349ft/s 16.7G 1,163ft 8.0s 7s
OK Cesaroni F51 14.6oz 70ft/s 344ft/s 15.4G 1,189ft 8.1s 7s
OK AeroTech F39 14.1oz 74ft/s 339ft/s 14.2G 1,215ft 8.2s 7s
OK AeroTech F51 14.9oz 78ft/s 360ft/s 16.3G 1,253ft 8.2s 7s
OK Cesaroni F70 14.6oz 86ft/s 378ft/s 22.5G 1,273ft 8.2s 7s
OK AeroTech F35 15.0oz 70ft/s 365ft/s 13.0G 1,377ft 8.7s 7s
OK AeroTech F32 14.3oz 70ft/s 365ft/s 13.8G 1,410ft 8.9s 7s
OK Cesaroni F50 15.3oz 73ft/s 384ft/s 15.0G 1,413ft 8.7s 7s
OK Cesaroni F79 15.8oz 83ft/s 454ft/s 20.6G 1,592ft 9.0s 8s
OK Cesaroni F240 15.2oz 153ft/s 507ft/s 66.3G 1,603ft 8.7s 8s
OK Cesaroni F85 15.4oz 90ft/s 496ft/s 22.9G 1,731ft 9.2s 8s
OK Cesaroni F30 15.6oz 64ft/s 391ft/s 11.5G 1,767ft 9.9s 7s
OK Cesaroni F51 15.4oz 77ft/s 458ft/s 18.6G 1,803ft 9.6s 8s
OK Cesaroni G100 17.6oz 107ft/s 644ft/s 34.4G 2,437ft 10.5s 9s
OK Cesaroni G84 18.1oz 96ft/s 686ft/s 24.8G 2,733ft 11.0s 9s
OK Cesaroni G127 17.9oz 116ft/s 763ft/s 35.6G 2,754ft 10.8s 10s
OK Cesaroni G145 17.7oz 126ft/s 788ft/s 63.8G 2,809ft 10.8s 10s
OK Cesaroni G107 18.0oz 135ft/s 730ft/s 42.9G 2,835ft 11.0s 10s
OK Cesaroni G117 18.1oz 112ft/s 770ft/s 34.4G 2,860ft 11.0s 10s
OK Cesaroni G150 17.6oz 126ft/s 811ft/s 49.1G 2,862ft 10.8s 10s
OK Cesaroni G65 18.1oz 100ft/s 660ft/s 29.2G 2,999ft 11.5s 9s

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 C11 speed at end of launch guide too slow (35ft/s)
failedG Estes D12 speed at end of launch guide too slow (38ft/s)
failedG Estes D11 speed at end of launch guide too slow (37ft/s)
failedG AeroTech D7 speed at end of launch guide too slow (26ft/s)
failedG AeroTech D9 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni E22 speed at end of launch guide too slow (44ft/s)
failedG Estes E12 speed at end of launch guide too slow (45ft/s)
failedG Estes E9 speed at end of launch guide too slow (30ft/s)
failedG AeroTech E7 speed at end of launch guide too slow (27ft/s)
failedG AeroTech E11 speed at end of launch guide too slow (38ft/s)
failedG AeroTech E12 speed at end of launch guide too slow (36ft/s)
failedG AeroTech E6 speed at end of launch guide too slow (28ft/s)
failedG Apogee E6 speed at end of launch guide too slow (35ft/s)
failedG AeroTech F12 speed at end of launch guide too slow (42ft/s)

G These simulations were run with a launch guide length of 6ft (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.)

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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