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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 39 motors that fit and appear to have enough thrust (771 motors didn't fit, 1 motors failed safety checks). 40 motor had thrust curves available and 72 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 2
Owner: Tom Strum
Body Diameter: 2.60in
Dry Weight: 9.6oz
MMT Diameter: 24.0mm
MMT Length: 8.00in
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 Estes D12 11.6oz 62ft/s 109ft/s 8.2G 252ft 4.5s 3s
OK AeroTech D7 11.1oz 53ft/s 89ft/s 2.6G 279ft 5.2s 2s
OK Estes D11 11.2oz 60ft/s 114ft/s 7.4G 279ft 4.8s 3s
OK AeroTech D9 11.3oz 75ft/s 126ft/s 4.9G 305ft 4.9s 3s
OK AeroTech D15 11.3oz 98ft/s 147ft/s 8.6G 341ft 4.7s 3s
OK Cesaroni E22 11.6oz 93ft/s 193ft/s 8.4G 446ft 5.2s 4s
OK Cesaroni E75 11.4oz 183ft/s 234ft/s 28.4G 462ft 4.9s 5s
OK Cesaroni E31 11.4oz 112ft/s 219ft/s 11.7G 495ft 5.3s 4s
OK AeroTech E7 11.3oz 54ft/s 90ft/s 2.7G 507ft 7.8s 2s
OK Estes E12 11.7oz 72ft/s 162ft/s 9.1G 510ft 6.2s 4s
OK Estes E9 11.6oz 55ft/s 153ft/s 4.9G 513ft 6.7s 4s
OK AeroTech E11 11.8oz 78ft/s 189ft/s 4.8G 634ft 6.5s 4s
OK Estes E30 11.3oz 128ft/s 276ft/s 14.7G 659ft 5.8s 5s
OK AeroTech E12 11.7oz 73ft/s 188ft/s 4.6G 671ft 6.8s 4s
OK AeroTech E20 11.3oz 108ft/s 246ft/s 10.0G 686ft 6.2s 4s
OK AeroTech E6 11.4oz 55ft/s 95ft/s 2.8G 694ft 9.6s 3s
OK AeroTech E18 11.7oz 102ft/s 250ft/s 8.5G 764ft 6.5s 4s
OK AeroTech E28 11.6oz 132ft/s 300ft/s 14.7G 766ft 6.2s 5s
OK AeroTech E30 11.3oz 130ft/s 305ft/s 14.4G 769ft 6.2s 5s
OK AeroTech E15 11.3oz 95ft/s 237ft/s 8.6G 779ft 6.8s 4s
warningsW Apogee E6 11.2oz 64ft/s 125ft/s 5.4G 785ft 9.0s 3s
OK AeroTech F44 11.3oz 156ft/s 359ft/s 19.4G 797ft 6.2s 5s
OK AeroTech F62 12.7oz 147ft/s 368ft/s 18.4G 840ft 6.3s 6s
OK AeroTech F12 12.0oz 86ft/s 246ft/s 6.0G 845ft 7.1s 4s
OK AeroTech F30 12.1oz 112ft/s 329ft/s 10.0G 882ft 6.7s 5s
OK AeroTech F63 12.5oz 159ft/s 385ft/s 19.8G 886ft 6.4s 6s
OK Cesaroni F51 12.2oz 143ft/s 372ft/s 18.6G 908ft 6.5s 5s
OK AeroTech F24 11.8oz 119ft/s 295ft/s 11.5G 921ft 6.9s 5s
OK AeroTech F39 11.7oz 143ft/s 357ft/s 17.2G 927ft 6.6s 5s
OK Cesaroni F70 12.2oz 170ft/s 416ft/s 27.2G 941ft 6.5s 6s
OK AeroTech F51 12.5oz 153ft/s 391ft/s 19.7G 941ft 6.5s 5s
OK AeroTech F35 12.6oz 133ft/s 378ft/s 15.6G 1,030ft 6.9s 5s
OK Cesaroni F50 12.9oz 144ft/s 404ft/s 18.0G 1,041ft 6.9s 6s
OK AeroTech F32 11.9oz 134ft/s 370ft/s 16.9G 1,046ft 7.1s 5s
OK Cesaroni F240 12.8oz 311ft/s 578ft/s 76.9G 1,077ft 6.5s 6s
OK Cesaroni F79 13.4oz 170ft/s 485ft/s 24.5G 1,118ft 6.9s 6s
OK Cesaroni F85 13.0oz 182ft/s 526ft/s 27.0G 1,179ft 7.0s 6s
OK Cesaroni F51 13.0oz 156ft/s 453ft/s 22.2G 1,259ft 7.3s 6s
OK Cesaroni F30 13.2oz 126ft/s 372ft/s 13.7G 1,290ft 7.8s 5s

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 (93ft)

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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