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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 127 motors that fit and appear to have enough thrust (647 motors didn't fit, 17 motors failed safety checks). 144 motor had thrust curves available and 302 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:   foobar 38
Owner: Bryan Schmidt
Body Diameter: 98.0mm
Dry Weight: 1,400g
MMT Diameter: 38.0mm
MMT Length: 50.0cm
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 Contrail G300 1,944g 38m/s 49m/s 41.7G 109m 4.6s 4s
OK Contrail G130 1,916g 20m/s 44m/s 27.5G 110m 4.8s 4s
OK Contrail G234 1,944g 32m/s 55m/s 27.6G 140m 5.3s 5s
OK Loki G80 1,655g 15m/s 55m/s 5.9G 168m 6.1s 5s
OK AeroTech G339 1,581g 30m/s 67m/s 23.3G 169m 5.7s 5s
OK Loki G94 1,640g 16m/s 59m/s 7.2G 178m 6.2s 5s
OK Contrail G123 1,911g 20m/s 61m/s 18.0G 185m 6.2s 5s
OK Contrail G100 1,911g 18m/s 60m/s 8.7G 191m 6.4s 5s
OK Cesaroni G185 1,588g 20m/s 72m/s 12.1G 197m 6.2s 6s
OK Loki G66 1,650g 15m/s 58m/s 6.2G 198m 6.8s 5s
OK Cesaroni G115 1,595g 16m/s 73m/s 7.4G 222m 6.8s 6s
OK Contrail H222 1,920g 29m/s 73m/s 35.0G 222m 6.5s 6s
OK Loki H100 1,735g 16m/s 87m/s 7.3G 325m 8.0s 6s
warningsW AeroTech H283 1,647g 28m/s 109m/s 19.6G 336m 7.6s 7s
OK AeroTech H148 1,709g 20m/s 101m/s 10.5G 357m 8.2s 7s
OK AeroTech H130 1,637g 23m/s 98m/s 15.2G 360m 8.0s 6s
OK AeroTech H669 1,652g 42m/s 129m/s 67.4G 371m 7.7s 7s
OK AeroTech H123 1,675g 17m/s 96m/s 8.0G 389m 8.7s 6s
OK AeroTech H100 1,661g 15m/s 97m/s 6.8G 390m 8.7s 6s
OK Loki H90 1,735g 17m/s 94m/s 7.6G 397m 8.9s 6s
OK Cesaroni H123 1,697g 15m/s 109m/s 7.7G 398m 8.7s 7s
OK AeroTech H219 1,661g 25m/s 122m/s 17.0G 399m 8.2s 7s
OK Loki H144 1,736g 23m/s 107m/s 13.6G 399m 8.4s 7s
OK Loki H125 1,742g 20m/s 103m/s 11.0G 404m 8.6s 7s
OK Cesaroni H143 1,747g 16m/s 112m/s 8.2G 404m 8.7s 7s
OK AeroTech H242 1,664g 22m/s 121m/s 13.5G 418m 8.5s 7s
OK Loki H160 1,735g 24m/s 116m/s 16.0G 426m 8.5s 7s
OK Cesaroni H400 1,684g 29m/s 142m/s 25.6G 428m 8.3s 8s
OK Cesaroni H120 1,695g 17m/s 115m/s 7.9G 447m 9.1s 7s
OK Cesaroni H125 1,693g 16m/s 121m/s 7.8G 457m 9.2s 7s
OK Cesaroni H110 1,725g 15m/s 113m/s 6.1G 458m 9.4s 7s
OK Cesaroni H225 1,593g 24m/s 145m/s 15.5G 471m 8.7s 7s
OK Cesaroni H152 1,698g 19m/s 127m/s 11.8G 475m 9.1s 7s
OK AeroTech H178 1,724g 19m/s 135m/s 11.2G 478m 9.1s 7s
OK Cesaroni H100 1,727g 15m/s 114m/s 6.0G 489m 9.8s 7s
OK AeroTech H550 1,716g 38m/s 172m/s 37.7G 505m 8.6s 8s
OK AeroTech H550 1,723g 38m/s 170m/s 37.4G 507m 8.7s 8s
OK AeroTech H999 1,731g 50m/s 181m/s 93.8G 511m 8.6s 8s
warningsW Cesaroni H565 1,762g 36m/s 173m/s 34.9G 512m 8.8s 8s
OK AeroTech I218 1,772g 24m/s 145m/s 15.5G 520m 9.2s 8s
OK AeroTech H170 1,730g 20m/s 140m/s 10.8G 530m 9.4s 7s
OK AeroTech I180 1,785g 28m/s 135m/s 19.7G 534m 9.2s 7s
OK AeroTech I161 1,766g 21m/s 137m/s 11.5G 549m 9.6s 7s
OK Cesaroni I180 1,794g 19m/s 149m/s 10.5G 553m 9.6s 8s
OK AeroTech I245 1,765g 29m/s 155m/s 22.7G 563m 9.3s 8s
OK AeroTech I357 1,743g 28m/s 164m/s 21.2G 565m 9.3s 8s
OK AeroTech I140 1,756g 18m/s 133m/s 9.4G 567m 9.9s 7s
OK AeroTech I225 1,886g 20m/s 153m/s 13.4G 568m 9.6s 8s
OK Cesaroni I566 1,784g 33m/s 196m/s 34.0G 577m 9.1s 8s
OK Cesaroni I212 1,875g 20m/s 158m/s 12.1G 578m 9.7s 8s
OK Cesaroni I800 1,857g 40m/s 218m/s 46.1G 620m 9.3s 9s
OK Cesaroni I345 1,795g 27m/s 190m/s 21.2G 623m 9.6s 8s
OK AeroTech I154 1,892g 17m/s 132m/s 8.0G 624m 10.6s 7s
OK AeroTech I1299 1,822g 56m/s 229m/s 83.8G 624m 9.2s 9s
OK Cesaroni I195 1,817g 21m/s 163m/s 12.3G 633m 10.1s 8s
OK AeroTech I285 1,893g 26m/s 178m/s 19.3G 635m 9.8s 8s
OK Cesaroni I170 1,792g 20m/s 167m/s 11.8G 650m 10.2s 8s
OK Cesaroni I236 1,800g 24m/s 177m/s 16.6G 653m 10.0s 8s
OK AeroTech I305 1,981g 27m/s 181m/s 20.0G 655m 9.8s 8s
OK Cesaroni I175 1,838g 19m/s 162m/s 9.5G 656m 10.3s 8s
OK AeroTech I300 1,841g 29m/s 187m/s 24.8G 665m 9.8s 8s
OK Cesaroni I223 1,894g 21m/s 178m/s 12.7G 670m 10.2s 8s
OK AeroTech I211 1,855g 24m/s 168m/s 16.6G 670m 10.1s 8s
OK AeroTech I195 1,972g 25m/s 166m/s 17.7G 676m 10.2s 8s
OK Loki I316 1,940g 30m/s 191m/s 25.2G 699m 10.0s 9s
OK Loki I405 1,943g 37m/s 209m/s 41.2G 716m 9.9s 9s
OK Cesaroni I287 2,005g 23m/s 198m/s 15.6G 716m 10.3s 9s
OK KBA I550 2,112g 33m/s 269m/s 31.9G 734m 9.6s 9s
OK Loki I210 1,940g 27m/s 178m/s 22.3G 738m 10.4s 8s
OK Cesaroni I285 1,906g 25m/s 203m/s 17.9G 750m 10.4s 9s
OK Loki I430 1,940g 30m/s 228m/s 27.0G 750m 10.2s 9s
OK Loki I377 1,960g 34m/s 208m/s 33.3G 751m 10.2s 9s
warningsW Loki I110 1,989g 18m/s 148m/s 12.5G 758m 11.3s 7s
OK Cesaroni I470 1,895g 32m/s 240m/s 29.0G 760m 10.1s 9s
OK AeroTech I366 1,956g 30m/s 217m/s 24.5G 762m 10.2s 9s
OK Cesaroni I255 1,916g 24m/s 199m/s 15.7G 764m 10.5s 9s
OK AeroTech I327 2,028g 27m/s 215m/s 20.7G 765m 10.4s 9s
OK KBA I301 2,125g 24m/s 224m/s 18.9G 766m 10.1s 8s
OK AeroTech I364 2,078g 26m/s 211m/s 18.9G 768m 10.4s 9s
OK AMW I297 1,991g 26m/s 211m/s 18.1G 772m 10.4s 9s
OK Cesaroni I303 1,900g 26m/s 214m/s 21.2G 780m 10.4s 9s
OK AeroTech I435 1,918g 38m/s 239m/s 39.2G 787m 10.1s 9s
OK AeroTech I280 2,016g 25m/s 212m/s 16.1G 794m 10.6s 9s
OK Cesaroni I242 1,950g 23m/s 202m/s 13.9G 804m 10.8s 8s
OK AeroTech I284 1,956g 29m/s 221m/s 24.1G 816m 10.5s 9s
OK Cesaroni I350 2,182g 25m/s 223m/s 17.8G 817m 10.7s 9s
OK AeroTech I500 1,976g 31m/s 258m/s 28.8G 831m 10.4s 9s
warningsW Cesaroni I540 1,998g 36m/s 268m/s 31.2G 835m 10.3s 9s
OK AeroTech I600 2,002g 39m/s 265m/s 40.9G 836m 10.3s 9s
OK KBA J740 2,124g 39m/s 285m/s 43.2G 852m 10.4s 10s
OK AeroTech I59 1,887g 17m/s 105m/s 7.9G 857m 13.8s 5s
OK AeroTech I350 2,016g 28m/s 250m/s 23.2G 860m 10.6s 9s
OK AeroTech J350 2,065g 38m/s 248m/s 39.7G 860m 10.5s 9s
OK AeroTech J420 2,050g 31m/s 247m/s 26.8G 861m 10.7s 9s
OK Loki J396 2,152g 27m/s 243m/s 23.4G 862m 10.8s 9s
OK Cesaroni J381 2,088g 29m/s 245m/s 23.7G 869m 10.7s 9s
OK AeroTech J340 1,977g 31m/s 242m/s 30.0G 870m 10.6s 8s
OK Cesaroni I125 2,047g 20m/s 155m/s 12.3G 873m 12.0s 7s
OK Cesaroni J335 2,027g 28m/s 238m/s 19.7G 876m 10.8s 9s
OK Cesaroni J357 2,001g 30m/s 247m/s 25.2G 881m 10.7s 9s
OK AeroTech J425 2,031g 26m/s 266m/s 20.9G 891m 10.8s 9s
OK Cesaroni J285 1,995g 25m/s 230m/s 17.4G 891m 11.0s 9s
OK Cesaroni J270 2,055g 23m/s 225m/s 13.5G 901m 11.2s 9s
OK Cesaroni J316 2,007g 27m/s 233m/s 21.2G 901m 11.1s 9s
OK AeroTech J520 2,172g 41m/s 262m/s 47.1G 902m 10.7s 9s
OK Cesaroni I216 2,001g 24m/s 206m/s 16.3G 904m 11.3s 8s
OK Cesaroni J400 2,102g 28m/s 255m/s 21.8G 907m 10.9s 9s
OK AeroTech J500 2,054g 36m/s 273m/s 38.4G 912m 10.6s 9s
OK Loki J528 2,145g 40m/s 286m/s 47.6G 918m 10.6s 9s
OK Cesaroni J290 2,060g 27m/s 233m/s 18.4G 922m 11.2s 9s
OK AeroTech J575 2,314g 38m/s 288m/s 37.7G 926m 10.6s 9s
OK AeroTech J270 2,042g 25m/s 234m/s 16.9G 942m 11.3s 9s
OK Loki J712 2,152g 37m/s 311m/s 40.7G 961m 10.8s 10s
OK AeroTech J435 2,024g 36m/s 282m/s 33.8G 964m 10.9s 9s
OK Cesaroni J425 2,100g 33m/s 275m/s 31.5G 973m 11.0s 9s
OK Cesaroni J410 2,135g 30m/s 270m/s 23.4G 974m 11.1s 9s
OK Cesaroni J330 2,102g 29m/s 255m/s 21.4G 984m 11.3s 9s
OK Cesaroni J94 2,060g 15m/s 145m/s 7.1G 1,020m 13.8s 7s
OK Cesaroni J354 2,178g 30m/s 257m/s 23.4G 1,024m 11.4s 9s
OK Loki J320 2,152g 29m/s 253m/s 24.1G 1,035m 11.6s 9s
OK AeroTech J825 2,275g 45m/s 354m/s 51.8G 1,046m 10.9s 10s
OK AeroTech J570 2,302g 45m/s 307m/s 50.1G 1,133m 11.4s 9s
OK Cesaroni J394 2,339g 26m/s 291m/s 18.4G 1,134m 11.9s 9s
OK Cesaroni J453 2,364g 32m/s 299m/s 30.4G 1,145m 11.7s 9s
OK Cesaroni J420 2,274g 33m/s 298m/s 34.2G 1,156m 11.7s 9s
OK Cesaroni J530 2,377g 35m/s 329m/s 33.6G 1,193m 11.6s 10s
OK Cesaroni J150 2,351g 20m/s 191m/s 13.1G 1,293m 14.1s 8s

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
failedG AeroTech G67 speed at end of launch guide too slow (13m/s)
failedG Loki G69 speed at end of launch guide too slow (14m/s)
failedG AeroTech G61 speed at end of launch guide too slow (13m/s)
failedG Loki G70 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G69 speed at end of launch guide too slow (12m/s)
failedG Cesaroni G46 speed at end of launch guide too slow (10m/s)
failedG Cesaroni G79 speed at end of launch guide too slow (12m/s)
failedG Cesaroni G60 speed at end of launch guide too slow (13m/s)
failedG AeroTech G69 speed at end of launch guide too slow (12m/s)
failedG Cesaroni G58 speed at end of launch guide too slow (10m/s)
failedG Cesaroni G78 speed at end of launch guide too slow (13m/s)
failedG Cesaroni G50 speed at end of launch guide too slow (9m/s)
failedG AeroTech H73 speed at end of launch guide too slow (12m/s)
failedG AeroTech H112 speed at end of launch guide too slow (14m/s)
failedG AeroTech H45 speed at end of launch guide too slow (12m/s)
failedG AeroTech I49 speed at end of launch guide too slow (9m/s)
failedG Cesaroni I55 speed at end of launch guide too slow (10m/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.)

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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