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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 47 motors that fit and appear to have enough thrust (763 motors didn't fit, 1 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:   Super bertha 4
Owner: Tom Strum
Body Diameter: 2.60in
Dry Weight: 10.6oz
MMT Diameter: 24.0mm
MMT Length: 9.00in
CD: 0.60

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 Estes D12 12.6oz 58ft/s 99ft/s 7.5G 226ft 4.4s 3s
OK AeroTech D7 12.1oz 49ft/s 79ft/s 2.3G 244ft 5.1s 2s
OK Estes D11 12.2oz 56ft/s 103ft/s 6.7G 251ft 4.6s 3s
OK AeroTech D9 12.3oz 71ft/s 116ft/s 4.4G 279ft 4.8s 3s
OK AeroTech D15 12.3oz 93ft/s 136ft/s 7.8G 321ft 4.6s 3s
OK Cesaroni E22 12.6oz 89ft/s 180ft/s 7.7G 433ft 5.3s 4s
OK AeroTech E7 12.3oz 50ft/s 81ft/s 2.4G 452ft 7.6s 2s
OK Cesaroni E75 12.4oz 173ft/s 216ft/s 26.0G 460ft 5.0s 5s
OK Estes E9 12.6oz 51ft/s 143ft/s 4.4G 482ft 6.7s 4s
OK Estes E12 12.7oz 68ft/s 153ft/s 8.3G 487ft 6.2s 4s
OK Cesaroni E31 12.4oz 107ft/s 204ft/s 10.7G 489ft 5.4s 5s
OK AeroTech E11 12.8oz 74ft/s 180ft/s 4.4G 625ft 6.7s 4s
OK AeroTech E6 12.4oz 51ft/s 88ft/s 2.5G 628ft 9.5s 2s
OK AeroTech E12 12.7oz 69ft/s 180ft/s 4.2G 664ft 6.9s 4s
OK Estes E30 12.3oz 121ft/s 261ft/s 13.4G 677ft 6.1s 5s
OK AeroTech E20 12.3oz 104ft/s 235ft/s 9.1G 698ft 6.4s 5s
warningsW Apogee E6 12.2oz 60ft/s 121ft/s 4.9G 743ft 9.0s 3s
OK AeroTech E18 12.7oz 98ft/s 241ft/s 7.8G 783ft 6.8s 5s
OK AeroTech E15 12.3oz 90ft/s 230ft/s 7.8G 794ft 7.0s 5s
OK AeroTech E28 12.6oz 129ft/s 287ft/s 13.5G 797ft 6.5s 5s
OK AeroTech E30 12.3oz 127ft/s 292ft/s 13.1G 803ft 6.5s 5s
OK AeroTech F44 12.3oz 149ft/s 339ft/s 17.9G 844ft 6.5s 6s
OK AeroTech F12 13.0oz 81ft/s 239ft/s 5.4G 865ft 7.4s 4s
OK AeroTech F62 13.7oz 140ft/s 350ft/s 17.4G 890ft 6.7s 6s
OK AeroTech F30 13.1oz 109ft/s 318ft/s 9.2G 927ft 7.1s 5s
OK AeroTech F63 13.5oz 152ft/s 368ft/s 18.3G 944ft 6.8s 6s
OK AeroTech F24 12.8oz 114ft/s 288ft/s 10.6G 964ft 7.2s 5s
OK Cesaroni F51 13.2oz 142ft/s 357ft/s 17.1G 966ft 6.9s 6s
OK AeroTech F39 12.7oz 136ft/s 346ft/s 15.8G 985ft 7.0s 6s
OK AeroTech F51 13.5oz 147ft/s 375ft/s 18.1G 1,006ft 7.0s 6s
OK Cesaroni F70 13.2oz 168ft/s 397ft/s 25.1G 1,010ft 6.9s 6s
OK AeroTech F35 13.6oz 132ft/s 369ft/s 14.4G 1,101ft 7.4s 6s
OK Cesaroni F50 13.9oz 138ft/s 392ft/s 16.7G 1,118ft 7.3s 6s
OK AeroTech F32 12.9oz 129ft/s 363ft/s 15.5G 1,120ft 7.5s 6s
OK Cesaroni F240 13.8oz 297ft/s 544ft/s 71.9G 1,189ft 7.1s 7s
OK Cesaroni F79 14.4oz 165ft/s 468ft/s 22.7G 1,216ft 7.4s 6s
OK Cesaroni F85 14.0oz 176ft/s 509ft/s 25.1G 1,294ft 7.5s 7s
OK Cesaroni F51 14.0oz 150ft/s 449ft/s 20.5G 1,369ft 7.9s 6s
OK Cesaroni F30 14.2oz 121ft/s 372ft/s 12.7G 1,383ft 8.3s 6s
OK Cesaroni G100 16.2oz 203ft/s 628ft/s 37.5G 1,745ft 8.3s 7s
OK Cesaroni G127 16.5oz 224ft/s 740ft/s 38.5G 1,921ft 8.5s 7s
OK Cesaroni G145 16.3oz 234ft/s 767ft/s 69.4G 1,947ft 8.4s 7s
OK Cesaroni G84 16.7oz 180ft/s 643ft/s 26.9G 1,950ft 8.7s 7s
OK Cesaroni G150 16.2oz 236ft/s 792ft/s 53.5G 1,978ft 8.4s 7s
OK Cesaroni G107 16.6oz 248ft/s 689ft/s 46.6G 1,997ft 8.6s 7s
OK Cesaroni G117 16.7oz 203ft/s 739ft/s 37.4G 2,001ft 8.6s 7s
OK Cesaroni G65 16.7oz 174ft/s 600ft/s 31.7G 2,157ft 9.2s 7s

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

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
failedA Estes C11 rocket doesn't reach a safe altitude (79ft)

A The minimum altitude check is used to ensure that the rocket flies high enough to ensure time for a safe recovery. In addition, many barometric altimeters require a minimum altitude to detect lift-off. (The minimum altitude is 10m or 33ft for an A motor and doubles for each impulse class).

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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