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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 37 motors that fit and appear to have enough thrust (748 motors didn't fit, 6 motors failed safety checks). 42 motor had thrust curves available and 76 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:   BOMB POP AT CHEETAH
Owner: Jim Fields
Body Diameter: 1.90in
Dry Weight: 13.0oz
MMT Diameter: 29.0mm
MMT Length: 4.75in
CD: 0.30

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 E23 16.7oz 51ft/s 195ft/s 7.3G 706ft 7.1s 5s
OK Cesaroni F36 16.7oz 57ft/s 273ft/s 16.1G 1,051ft 8.2s 7s
OK AeroTech F37 16.9oz 50ft/s 295ft/s 9.0G 1,303ft 9.3s 8s
OK AeroTech F27 15.8oz 51ft/s 286ft/s 7.2G 1,353ft 9.5s 7s
OK Cesaroni F32 16.8oz 49ft/s 308ft/s 8.5G 1,403ft 9.7s 8s
OK Cesaroni F36 16.6oz 54ft/s 316ft/s 8.4G 1,407ft 9.5s 8s
OK AeroTech F23 15.9oz 57ft/s 305ft/s 10.0G 1,498ft 9.9s 8s
OK AeroTech F62 16.8oz 66ft/s 342ft/s 12.8G 1,498ft 9.6s 9s
OK Cesaroni F31 16.6oz 50ft/s 338ft/s 11.1G 1,597ft 10.2s 8s
OK Cesaroni F120 16.7oz 97ft/s 377ft/s 30.5G 1,602ft 9.6s 9s
OK Cesaroni F59 16.5oz 70ft/s 370ft/s 14.4G 1,666ft 10.0s 9s
OK AeroTech F42 15.7oz 72ft/s 359ft/s 14.8G 1,693ft 10.1s 9s
OK AeroTech F20 15.8oz 57ft/s 328ft/s 9.9G 1,715ft 10.4s 8s
OK AeroTech F26 16.6oz 52ft/s 345ft/s 7.3G 1,829ft 11.0s 8s
OK AeroTech F50 16.0oz 76ft/s 446ft/s 15.3G 2,208ft 11.2s 10s
OK AeroTech F52 17.3oz 73ft/s 434ft/s 15.5G 2,217ft 11.4s 10s
OK AeroTech F25 16.2oz 67ft/s 398ft/s 11.8G 2,247ft 11.7s 9s
OK AeroTech F40 17.5oz 67ft/s 433ft/s 13.1G 2,388ft 11.9s 10s
OK AeroTech G54 17.8oz 74ft/s 470ft/s 15.6G 2,478ft 12.0s 10s
warningsW Estes F50 15.9oz 79ft/s 495ft/s 16.9G 2,549ft 11.9s 10s
OK AeroTech G104 17.8oz 94ft/s 523ft/s 23.6G 2,653ft 12.0s 11s
OK AeroTech G38 17.4oz 61ft/s 467ft/s 9.9G 2,739ft 12.8s 10s
OK AeroTech G53 18.1oz 79ft/s 508ft/s 16.2G 2,843ft 12.7s 11s
OK AeroTech G74 16.1oz 77ft/s 574ft/s 19.8G 2,875ft 12.4s 11s
warningsW Estes G40 17.3oz 69ft/s 550ft/s 14.2G 3,223ft 13.3s 11s
OK AeroTech G40 17.3oz 69ft/s 550ft/s 14.2G 3,223ft 13.3s 11s
OK AeroTech G77 17.3oz 76ft/s 643ft/s 20.2G 3,342ft 13.2s 12s
OK AeroTech G79 17.4oz 69ft/s 637ft/s 16.3G 3,476ft 13.6s 12s
OK AeroTech G76 18.2oz 100ft/s 629ft/s 28.9G 3,641ft 13.7s 12s
OK AeroTech G64 18.3oz 90ft/s 625ft/s 20.3G 3,741ft 14.0s 12s
OK AeroTech G25 17.3oz 52ft/s 534ft/s 7.9G 3,855ft 15.1s 10s
OK AeroTech G75 17.6oz 82ft/s 692ft/s 19.6G 3,860ft 14.0s 12s
OK AeroTech G78 17.4oz 82ft/s 722ft/s 20.3G 3,967ft 14.1s 12s
OK AeroTech G125 17.4oz 98ft/s 797ft/s 31.6G 4,068ft 14.0s 13s
OK AeroTech G80 17.5oz 88ft/s 751ft/s 20.5G 4,174ft 14.3s 13s
OK AeroTech G138 18.2oz 97ft/s 1,021ft/s 36.3G 5,177ft 15.3s 14s
warningsW,D Estes F26 16.0oz 6:1 thrust/weight ratio (no data)

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

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 (41ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (44ft/s)
failedG Estes F15 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (45ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (43ft/s)
failedG Apogee F10 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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