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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 41 motors that fit and appear to have enough thrust (747 motors didn't fit, 17 motors failed safety checks). 56 motor had thrust curves available and 105 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 Big Bertha
Owner: Chad F. Patten
Body Diameter: 2.60in
Dry Weight: 8.9oz
MMT Diameter: 29.0mm
MMT Length: 7.00in
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 Cesaroni F36 12.6oz 52ft/s 342ft/s 21.8G 832ft 6.5s 5s
OK AeroTech F62 12.7oz 55ft/s 405ft/s 17.0G 1,047ft 7.0s 6s
OK Cesaroni F120 12.6oz 79ft/s 476ft/s 38.5G 1,050ft 6.8s 6s
OK AeroTech F23 11.8oz 51ft/s 331ft/s 13.9G 1,093ft 7.4s 5s
OK Cesaroni F59 12.4oz 61ft/s 441ft/s 19.5G 1,104ft 7.1s 6s
OK AeroTech F42 11.6oz 63ft/s 406ft/s 20.4G 1,114ft 7.1s 6s
OK AeroTech F67 11.7oz 68ft/s 502ft/s 25.0G 1,165ft 7.0s 6s
OK AeroTech F20 11.7oz 50ft/s 349ft/s 13.8G 1,183ft 7.6s 5s
OK AeroTech F50 11.9oz 64ft/s 491ft/s 21.0G 1,276ft 7.3s 6s
OK AeroTech F52 13.2oz 60ft/s 468ft/s 20.5G 1,331ft 7.7s 6s
OK Estes F50 11.9oz 67ft/s 521ft/s 22.0G 1,383ft 7.5s 6s
OK AeroTech F25 12.1oz 58ft/s 397ft/s 16.2G 1,385ft 7.9s 5s
OK Cesaroni G88 14.3oz 66ft/s 579ft/s 28.5G 1,413ft 7.7s 7s
OK AeroTech G54 13.7oz 62ft/s 492ft/s 19.9G 1,425ft 7.8s 6s
OK AeroTech F40 13.4oz 58ft/s 440ft/s 17.2G 1,432ft 8.0s 6s
OK AeroTech G104 13.7oz 80ft/s 579ft/s 31.0G 1,432ft 7.6s 7s
OK AeroTech G74 12.0oz 61ft/s 628ft/s 25.2G 1,454ft 7.6s 6s
OK Cesaroni G80 14.0oz 59ft/s 621ft/s 24.4G 1,556ft 7.9s 7s
OK AeroTech G53 14.0oz 64ft/s 509ft/s 21.2G 1,560ft 8.1s 6s
OK AeroTech G38 13.3oz 51ft/s 447ft/s 13.2G 1,584ft 8.4s 6s
OK Cesaroni G250 13.9oz 104ft/s 841ft/s 71.2G 1,609ft 7.6s 7s
OK AeroTech G77 13.2oz 62ft/s 668ft/s 23.2G 1,613ft 7.9s 7s
OK AeroTech G77 14.7oz 56ft/s 624ft/s 19.4G 1,648ft 8.2s 7s
OK AeroTech G72 13.5oz 56ft/s 678ft/s 23.5G 1,659ft 8.0s 7s
OK AeroTech G79 14.4oz 63ft/s 636ft/s 22.8G 1,689ft 8.2s 7s
OK Cesaroni G83 14.0oz 65ft/s 651ft/s 24.8G 1,698ft 8.1s 7s
OK Estes G40 13.2oz 58ft/s 518ft/s 18.9G 1,698ft 8.3s 6s
OK AeroTech G40 13.2oz 58ft/s 518ft/s 18.9G 1,700ft 8.3s 6s
OK AeroTech G79 13.3oz 54ft/s 621ft/s 19.7G 1,708ft 8.2s 6s
OK Cesaroni G126 14.0oz 89ft/s 760ft/s 39.9G 1,733ft 8.0s 7s
OK Cesaroni G68 14.4oz 57ft/s 602ft/s 22.0G 1,744ft 8.4s 7s
OK AeroTech G125 13.3oz 77ft/s 837ft/s 36.2G 1,780ft 7.8s 7s
OK Cesaroni G57 14.0oz 61ft/s 562ft/s 21.6G 1,785ft 8.5s 7s
OK AeroTech G76 14.1oz 84ft/s 608ft/s 37.6G 1,790ft 8.2s 6s
OK AeroTech G75 13.5oz 66ft/s 654ft/s 25.8G 1,829ft 8.2s 6s
OK AeroTech G78 13.3oz 69ft/s 715ft/s 25.6G 1,834ft 8.2s 7s
OK AeroTech G64 14.2oz 76ft/s 595ft/s 26.4G 1,863ft 8.4s 6s
OK AeroTech G80 13.4oz 75ft/s 720ft/s 26.9G 1,902ft 8.2s 7s
OK AeroTech G138 14.1oz 76ft/s 1,012ft/s 36.4G 2,107ft 8.3s 7s
warningsD Estes F26 12.5oz 8:1 thrust/weight ratio (no data)
warningsD Estes G80 13.4oz 21:1 thrust/weight ratio (no data)

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 (33ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (45ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (38ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (44ft/s)
failedG Estes F15 speed at end of launch guide too slow (32ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (42ft/s)
failedG AeroTech F26 speed at end of launch guide too slow (45ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (36ft/s)
failedG Apogee F10 speed at end of launch guide too slow (37ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (43ft/s)
failedG AeroTech G8 speed at end of launch guide too slow (18ft/s)
failedG AeroTech G11 speed at end of launch guide too slow (35ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (37ft/s)

G These simulations were run with a launch guide length of 3ft (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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