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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 85 motors that fit and appear to have enough thrust (684 motors didn't fit, 22 motors failed safety checks). 105 motor had thrust curves available and 208 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:   G-Force
Owner: Danny Prince
Body Diameter: 10.2cm
Dry Weight: 32.0oz
MMT Diameter: 29.0mm
MMT Length: 14.00in
CD: 0.50

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 F62 35.8oz 16m/s 43m/s 5.4G 98m 4.8s 4s
OK AeroTech F42 34.7oz 16m/s 42m/s 6.1G 108m 5.0s 4s
OK Cesaroni F120 35.7oz 24m/s 50m/s 13.4G 109m 4.8s 4s
OK Cesaroni F59 35.5oz 17m/s 46m/s 6.2G 110m 5.0s 4s
OK AeroTech F50 35.0oz 17m/s 54m/s 6.5G 149m 5.7s 4s
OK AeroTech F52 36.3oz 17m/s 54m/s 6.8G 156m 5.9s 4s
OK AeroTech F40 36.5oz 16m/s 52m/s 5.7G 168m 6.2s 4s
warningsW Estes F50 34.9oz 18m/s 60m/s 7.1G 177m 6.1s 5s
OK AeroTech G54 36.8oz 18m/s 60m/s 6.9G 179m 6.2s 5s
OK Cesaroni G88 37.4oz 19m/s 68m/s 10.2G 189m 6.2s 5s
OK AeroTech G104 36.8oz 22m/s 70m/s 10.9G 197m 6.2s 5s
OK AeroTech G74 35.1oz 19m/s 71m/s 8.3G 203m 6.5s 5s
OK AeroTech G53 37.1oz 18m/s 64m/s 7.4G 212m 6.7s 5s
OK Cesaroni G80 37.1oz 19m/s 75m/s 8.6G 222m 6.7s 6s
warningsW Estes G40 36.3oz 16m/s 66m/s 6.2G 238m 7.2s 5s
OK AeroTech G40 36.3oz 16m/s 66m/s 6.2G 238m 7.2s 5s
OK AeroTech G77 37.8oz 17m/s 78m/s 7.5G 240m 7.0s 6s
OK AeroTech G77 36.3oz 19m/s 82m/s 8.6G 249m 7.0s 6s
OK AeroTech G79 37.5oz 19m/s 81m/s 8.4G 258m 7.2s 6s
OK Cesaroni G83 37.1oz 20m/s 83m/s 8.7G 260m 7.1s 6s
OK Cesaroni G68 37.5oz 17m/s 79m/s 7.8G 260m 7.3s 6s
OK AeroTech G79 36.4oz 17m/s 80m/s 7.0G 261m 7.4s 5s
OK Cesaroni G57 37.1oz 18m/s 75m/s 7.5G 263m 7.4s 5s
OK Cesaroni G250 37.0oz 33m/s 99m/s 26.9G 271m 6.9s 6s
OK AeroTech G76 37.2oz 24m/s 82m/s 13.6G 285m 7.3s 5s
OK Cesaroni G126 37.1oz 25m/s 96m/s 14.4G 287m 7.2s 6s
OK AeroTech G64 37.3oz 21m/s 80m/s 9.4G 293m 7.6s 5s
OK AeroTech G75 36.6oz 19m/s 88m/s 8.9G 300m 7.6s 6s
OK Cesaroni G131 39.1oz 23m/s 100m/s 12.6G 303m 7.4s 6s
OK AeroTech G78 36.4oz 19m/s 93m/s 9.0G 307m 7.6s 6s
OK AeroTech G125 36.4oz 24m/s 105m/s 13.6G 316m 7.4s 6s
OK AeroTech G80 36.5oz 21m/s 96m/s 9.2G 326m 7.8s 6s
OK Cesaroni G106 38.6oz 20m/s 106m/s 11.2G 339m 7.9s 7s
OK KBA G82 40.1oz 17m/s 99m/s 7.7G 347m 8.2s 6s
OK KBA G135 40.0oz 21m/s 112m/s 12.9G 349m 7.9s 7s
OK AeroTech G75 40.2oz 16m/s 98m/s 6.0G 368m 8.6s 6s
OK Cesaroni G125 38.9oz 24m/s 120m/s 14.0G 394m 8.2s 7s
OK AeroTech H165 39.1oz 27m/s 126m/s 16.4G 394m 8.1s 7s
OK Cesaroni G118 38.6oz 22m/s 119m/s 13.5G 395m 8.3s 7s
OK Cesaroni H175 40.7oz 27m/s 129m/s 18.3G 399m 8.1s 7s
OK Cesaroni H133 38.7oz 26m/s 123m/s 16.8G 404m 8.3s 7s
OK Cesaroni H410 38.4oz 43m/s 146m/s 47.6G 405m 7.9s 7s
OK Cesaroni G54 38.8oz 21m/s 91m/s 10.2G 406m 8.8s 6s
OK Cesaroni H163 38.6oz 28m/s 131m/s 19.2G 411m 8.2s 7s
OK Cesaroni H90 37.7oz 22m/s 116m/s 13.8G 416m 8.5s 7s
OK AeroTech G138 37.2oz 23m/s 136m/s 15.5G 417m 8.3s 7s
OK Cesaroni H87 39.2oz 20m/s 114m/s 10.8G 419m 8.7s 7s
OK AeroTech H128 39.3oz 26m/s 129m/s 15.6G 420m 8.4s 7s
OK AeroTech H238 38.9oz 30m/s 137m/s 20.7G 422m 8.2s 7s
OK Cesaroni H54 39.4oz 18m/s 94m/s 8.2G 425m 9.2s 6s
OK Cesaroni H123 40.0oz 22m/s 128m/s 11.5G 428m 8.6s 7s
OK AeroTech H115 39.2oz 22m/s 127m/s 10.3G 438m 8.6s 7s
OK AeroTech H97 41.8oz 19m/s 122m/s 8.4G 451m 9.0s 7s
OK Cesaroni H118 40.2oz 24m/s 129m/s 14.2G 454m 8.7s 7s
OK Cesaroni H237 42.4oz 30m/s 157m/s 22.0G 478m 8.6s 8s
OK AeroTech H220 40.8oz 32m/s 156m/s 26.0G 484m 8.6s 8s
OK AeroTech H210 40.7oz 30m/s 158m/s 21.4G 493m 8.7s 8s
OK Cesaroni H151 40.4oz 27m/s 147m/s 17.1G 494m 8.8s 7s
OK KBA H130 57.0oz 23m/s 122m/s 12.9G 505m 9.6s 8s
OK Cesaroni H170 40.2oz 30m/s 156m/s 20.3G 513m 8.9s 8s
OK AeroTech H182 39.3oz 27m/s 164m/s 16.1G 515m 8.9s 8s
OK Cesaroni H160 41.6oz 26m/s 155m/s 15.0G 515m 9.0s 8s
OK Cesaroni H135 40.9oz 25m/s 147m/s 13.6G 517m 9.1s 7s
OK AeroTech H180 40.9oz 29m/s 163m/s 21.3G 527m 8.9s 8s
OK AeroTech H250 41.0oz 36m/s 173m/s 27.3G 531m 8.8s 8s
OK KBA H225 43.1oz 27m/s 175m/s 20.8G 549m 9.2s 8s
OK AeroTech H195 38.9oz 31m/s 177m/s 22.5G 551m 9.0s 8s
OK AeroTech H135 39.5oz 23m/s 148m/s 13.0G 553m 9.4s 7s
OK Cesaroni H295 44.1oz 35m/s 185m/s 27.7G 554m 9.0s 8s
OK Cesaroni H53 42.1oz 16m/s 113m/s 7.0G 575m 10.6s 6s
OK Cesaroni H194 42.0oz 30m/s 175m/s 23.2G 579m 9.2s 8s
OK Cesaroni H180 43.1oz 30m/s 171m/s 21.6G 579m 9.3s 8s
OK Cesaroni H200 41.7oz 31m/s 178m/s 24.1G 588m 9.3s 8s
OK Cesaroni H255 40.2oz 37m/s 198m/s 32.7G 604m 9.2s 8s
OK Cesaroni H399 42.4oz 45m/s 213m/s 45.4G 605m 9.1s 8s
OK Cesaroni H140 41.8oz 29m/s 165m/s 20.1G 615m 9.6s 8s
OK AeroTech H268 44.6oz 34m/s 204m/s 25.5G 652m 9.5s 8s
OK Cesaroni H159 44.1oz 25m/s 180m/s 14.2G 658m 9.9s 8s
OK Cesaroni H233 43.6oz 33m/s 202m/s 27.1G 662m 9.6s 8s
OK Cesaroni H255 43.2oz 36m/s 211m/s 33.4G 668m 9.6s 8s
OK Cesaroni H160 43.3oz 33m/s 181m/s 25.3G 683m 9.9s 8s
OK AeroTech I200 44.6oz 32m/s 195m/s 23.5G 687m 9.8s 8s
OK Cesaroni I204 44.3oz 34m/s 205m/s 28.0G 718m 9.9s 8s
OK AeroTech I205 43.1oz 30m/s 210m/s 29.4G 720m 9.8s 8s
warningsW,D Estes G80 36.4oz 8:1 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 (7m/s)
failedG AeroTech E23 speed at end of launch guide too slow (11m/s)
failedG AeroTech E16 speed at end of launch guide too slow (9m/s)
failedG AeroTech F23 speed at end of launch guide too slow (12m/s)
failedG Cesaroni F36 speed at end of launch guide too slow (12m/s)
failedG AeroTech F27 speed at end of launch guide too slow (11m/s)
failedG Estes F15 speed at end of launch guide too slow (6m/s)
failedG AeroTech F37 speed at end of launch guide too slow (13m/s)
failedG Cesaroni F36 speed at end of launch guide too slow (12m/s)
failedG AeroTech F20 speed at end of launch guide too slow (13m/s)
failedG Cesaroni F32 speed at end of launch guide too slow (11m/s)
failedG Cesaroni F29 speed at end of launch guide too slow (10m/s)
failedG Cesaroni F31 speed at end of launch guide too slow (11m/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (3:1)
failedG AeroTech F26 speed at end of launch guide too slow (11m/s)
failedG AeroTech F22 speed at end of launch guide too slow (10m/s)
failedG Apogee F10 speed at end of launch guide too slow (8m/s)
failedG AeroTech F25 speed at end of launch guide too slow (14m/s)
failedG AeroTech G38 speed at end of launch guide too slow (13m/s)
failedG AeroTech G25 speed at end of launch guide too slow (12m/s)
failedG Cesaroni G33 speed at end of launch guide too slow (11m/s)
failedG Cesaroni H42 speed at end of launch guide too slow (13m/s)

G These simulations were run with a launch guide length of 2m (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.)

5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.

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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