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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 18 motors that fit and appear to have enough thrust (788 motors didn't fit, 5 motors failed safety checks). 22 motor had thrust curves available and 41 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:   John Egg Lofter 1
Owner: John Miller
Body Diameter: 2.25in
Dry Weight: 17.0oz
MMT Diameter: 29.0mm
MMT Length: 4.50in
CD: 0.75

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 20.6oz 54ft/s 206ft/s 12.8G 572ft 6.1s 5s
OK AeroTech F37 20.8oz 53ft/s 219ft/s 7.0G 707ft 6.9s 5s
OK AeroTech F27 19.8oz 50ft/s 205ft/s 5.5G 722ft 7.0s 5s
OK Cesaroni F36 20.5oz 54ft/s 237ft/s 6.5G 756ft 7.0s 5s
OK AeroTech F23 19.9oz 56ft/s 217ft/s 7.8G 794ft 7.3s 5s
OK AeroTech F62 20.8oz 68ft/s 260ft/s 10.0G 801ft 6.9s 6s
OK Cesaroni F31 20.6oz 51ft/s 244ft/s 8.8G 838ft 7.4s 6s
OK Cesaroni F120 20.7oz 100ft/s 295ft/s 23.9G 846ft 6.9s 6s
OK Cesaroni F59 20.5oz 72ft/s 282ft/s 11.4G 876ft 7.2s 6s
OK AeroTech F42 19.7oz 73ft/s 265ft/s 11.6G 880ft 7.2s 6s
OK AeroTech F20 19.8oz 57ft/s 232ft/s 7.7G 897ft 7.6s 5s
OK AeroTech F26 20.5oz 50ft/s 244ft/s 5.7G 959ft 8.0s 5s
OK AeroTech F67 19.8oz 82ft/s 320ft/s 14.6G 993ft 7.4s 6s
OK AeroTech F50 20.0oz 74ft/s 329ft/s 12.1G 1,113ft 7.9s 6s
OK AeroTech F25 20.1oz 64ft/s 280ft/s 9.3G 1,150ft 8.3s 6s
OK Estes F50 20.0oz 78ft/s 360ft/s 13.1G 1,260ft 8.2s 7s
OK AeroTech G74 20.0oz 78ft/s 426ft/s 15.1G 1,392ft 8.5s 7s
warningsD Estes F26 20.5oz 5:1 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 (39ft/s)
failedG Estes F15 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (45ft/s)
failedG Apogee F10 speed at end of launch guide too slow (40ft/s)

G These simulations were run with a launch guide length of 8ft (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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