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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 92 motors that fit and appear to have enough thrust (711 motors didn't fit). All motors had thrust curves available and 206 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:   BMS 3 inch School Rocket 34 inch Sustainer 38mm MMT
Owner: Kenneth B Weaver
Body Diameter: 3.00in
Dry Weight: 16.0oz
MMT Diameter: 38.0mm
MMT Length: 12.00in
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 AeroTech G339 22.4oz 166ft/s 545ft/s 59.7G 1,190ft 7.1s 7s
OK Loki G69 24.5oz 77ft/s 386ft/s 13.4G 1,223ft 7.7s 6s
OK AeroTech G67 23.1oz 72ft/s 411ft/s 12.8G 1,245ft 7.8s 6s
OK AeroTech G61 22.8oz 70ft/s 389ft/s 11.5G 1,254ft 7.8s 6s
OK Loki G80 25.0oz 83ft/s 416ft/s 15.2G 1,297ft 7.8s 6s
OK Loki G70 24.5oz 77ft/s 399ft/s 13.7G 1,299ft 8.0s 6s
OK Loki G94 24.5oz 87ft/s 446ft/s 17.9G 1,318ft 7.8s 6s
OK Cesaroni G185 22.6oz 111ft/s 578ft/s 30.2G 1,325ft 7.4s 7s
OK Cesaroni G79 24.0oz 65ft/s 475ft/s 11.5G 1,397ft 8.1s 6s
OK Cesaroni G69 22.9oz 70ft/s 438ft/s 12.5G 1,422ft 8.2s 6s
OK Cesaroni G46 22.9oz 60ft/s 372ft/s 12.8G 1,434ft 8.6s 6s
OK Loki G66 24.8oz 80ft/s 426ft/s 15.8G 1,450ft 8.3s 6s
OK Cesaroni G115 22.9oz 88ft/s 551ft/s 19.7G 1,475ft 7.9s 7s
OK AeroTech G69 23.1oz 71ft/s 477ft/s 11.2G 1,479ft 8.3s 6s
OK Cesaroni G60 23.3oz 72ft/s 454ft/s 12.2G 1,517ft 8.4s 6s
OK Cesaroni G58 23.5oz 60ft/s 428ft/s 12.6G 1,517ft 8.6s 6s
OK Cesaroni G78 22.9oz 72ft/s 489ft/s 19.5G 1,532ft 8.3s 6s
OK Cesaroni G50 23.7oz 54ft/s 416ft/s 9.6G 1,668ft 9.2s 6s
warningsW AeroTech H283 24.7oz 144ft/s 778ft/s 46.6G 1,738ft 8.0s 7s
OK AeroTech H669 24.9oz 222ft/s 967ft/s 159.6G 1,773ft 7.8s 7s
OK AeroTech H73 26.9oz 64ft/s 490ft/s 9.9G 1,852ft 9.3s 6s
OK Loki H100 27.8oz 83ft/s 577ft/s 16.3G 1,870ft 8.8s 7s
OK AeroTech H130 24.4oz 131ft/s 644ft/s 37.4G 1,876ft 8.3s 7s
OK AeroTech H219 25.2oz 137ft/s 811ft/s 41.1G 1,912ft 8.1s 7s
OK AeroTech H148 26.9oz 100ft/s 654ft/s 24.7G 1,915ft 8.7s 7s
OK Cesaroni H400 26.0oz 148ft/s 999ft/s 58.4G 1,975ft 8.2s 8s
OK AeroTech H242 25.3oz 118ft/s 788ft/s 32.2G 2,047ft 8.5s 7s
OK Loki H144 27.9oz 121ft/s 681ft/s 31.1G 2,053ft 8.8s 7s
OK AeroTech H123 25.7oz 90ft/s 614ft/s 19.7G 2,078ft 9.0s 7s
OK Cesaroni H143 28.2oz 83ft/s 714ft/s 17.8G 2,080ft 9.0s 7s
OK Cesaroni H123 26.5oz 80ft/s 701ft/s 18.7G 2,087ft 9.0s 7s
OK AeroTech H100 25.2oz 82ft/s 617ft/s 16.7G 2,090ft 9.0s 7s
OK Cesaroni H225 22.8oz 129ft/s 945ft/s 39.7G 2,095ft 8.1s 7s
OK AeroTech H550 27.1oz 192ft/s 1,163ft/s 85.6G 2,107ft 8.1s 8s
OK Loki H125 28.1oz 105ft/s 641ft/s 25.4G 2,120ft 9.1s 7s
OK Loki H160 27.8oz 123ft/s 732ft/s 36.4G 2,121ft 8.8s 7s
OK AeroTech H999 27.7oz 247ft/s 1,271ft/s 209.0G 2,134ft 8.2s 8s
OK AeroTech H550 27.4oz 189ft/s 1,141ft/s 83.9G 2,169ft 8.3s 8s
OK Loki H90 27.8oz 89ft/s 577ft/s 18.0G 2,179ft 9.4s 7s
warningsW Cesaroni H565 28.8oz 178ft/s 1,170ft/s 77.4G 2,191ft 8.4s 8s
OK AeroTech H178 27.4oz 98ft/s 837ft/s 23.3G 2,241ft 8.9s 7s
OK Cesaroni H120 26.4oz 83ft/s 700ft/s 19.0G 2,257ft 9.2s 7s
OK Cesaroni H125 26.3oz 84ft/s 744ft/s 18.1G 2,279ft 9.2s 7s
OK Cesaroni H152 26.5oz 101ft/s 775ft/s 27.8G 2,288ft 9.0s 7s
OK Cesaroni H110 27.5oz 79ft/s 680ft/s 14.2G 2,345ft 9.6s 7s
OK AeroTech H112 29.4oz 72ft/s 583ft/s 12.4G 2,365ft 10.0s 7s
OK AeroTech I218 29.1oz 118ft/s 869ft/s 34.4G 2,374ft 9.0s 8s
OK Cesaroni I566 29.6oz 168ft/s 1,276ft/s 72.1G 2,383ft 8.6s 8s
OK AeroTech H170 27.6oz 107ft/s 813ft/s 25.0G 2,439ft 9.1s 7s
OK AeroTech I357 28.1oz 145ft/s 986ft/s 47.7G 2,440ft 8.8s 7s
OK AeroTech I1299 30.9oz 263ft/s 1,521ft/s 176.2G 2,455ft 8.6s 8s
OK AeroTech I245 28.9oz 137ft/s 916ft/s 49.6G 2,455ft 8.9s 7s
OK AeroTech I180 29.6oz 133ft/s 789ft/s 43.2G 2,458ft 9.1s 7s
OK Cesaroni H100 27.5oz 80ft/s 661ft/s 14.5G 2,483ft 9.9s 7s
OK Cesaroni I800 32.1oz 198ft/s 1,407ft/s 94.8G 2,496ft 8.8s 8s
OK Cesaroni I180 29.9oz 90ft/s 879ft/s 21.8G 2,526ft 9.4s 7s
OK AeroTech I161 28.9oz 106ft/s 797ft/s 26.0G 2,527ft 9.3s 7s
OK AeroTech I225 33.1oz 97ft/s 879ft/s 27.2G 2,541ft 9.4s 8s
OK Cesaroni I212 32.8oz 96ft/s 908ft/s 23.7G 2,587ft 9.5s 8s
OK Cesaroni I345 29.9oz 140ft/s 1,125ft/s 46.0G 2,628ft 9.1s 8s
OK AeroTech I140 28.6oz 94ft/s 748ft/s 21.0G 2,645ft 9.6s 7s
OK AeroTech I285 33.4oz 122ft/s 1,008ft/s 39.6G 2,741ft 9.5s 8s
OK AeroTech I305 36.5oz 127ft/s 1,012ft/s 39.1G 2,759ft 9.4s 8s
OK Cesaroni I236 30.1oz 120ft/s 993ft/s 36.3G 2,801ft 9.5s 8s
OK AeroTech I300 31.6oz 145ft/s 1,046ft/s 52.1G 2,802ft 9.3s 8s
OK Cesaroni I195 30.7oz 102ft/s 901ft/s 26.5G 2,806ft 9.7s 8s
OK Cesaroni I170 29.8oz 100ft/s 929ft/s 26.1G 2,875ft 9.7s 7s
OK Cesaroni I223 33.4oz 101ft/s 985ft/s 26.4G 2,890ft 9.7s 8s
OK AeroTech I211 32.0oz 121ft/s 921ft/s 35.0G 2,891ft 9.6s 7s
OK Cesaroni I175 31.4oz 97ft/s 888ft/s 20.6G 2,922ft 9.9s 7s
OK Loki I405 35.2oz 195ft/s 1,169ft/s 81.7G 2,935ft 9.4s 8s
OK AeroTech I195 36.2oz 118ft/s 904ft/s 35.1G 2,952ft 9.9s 8s
OK Loki I316 35.0oz 151ft/s 1,055ft/s 49.9G 2,954ft 9.6s 8s
OK AeroTech I154 33.4oz 81ft/s 712ft/s 17.0G 2,961ft 10.6s 7s
OK Cesaroni I287 37.3oz 112ft/s 1,074ft/s 29.2G 3,012ft 9.9s 8s
OK Cesaroni I470 33.5oz 162ft/s 1,353ft/s 59.1G 3,019ft 9.4s 8s
OK AeroTech H45 28.9oz 65ft/s 530ft/s 9.5G 3,031ft 11.8s 6s
OK Loki I430 35.0oz 153ft/s 1,274ft/s 53.7G 3,079ft 9.7s 9s
OK AeroTech I366 35.6oz 145ft/s 1,159ft/s 48.8G 3,091ft 9.6s 8s
OK Loki I377 35.8oz 165ft/s 1,133ft/s 65.5G 3,109ft 9.8s 8s
OK Cesaroni I285 33.8oz 119ft/s 1,087ft/s 36.8G 3,112ft 9.8s 8s
OK AeroTech I435 34.3oz 186ft/s 1,306ft/s 78.7G 3,113ft 9.4s 8s
OK Loki I210 35.0oz 128ft/s 961ft/s 44.5G 3,190ft 10.1s 8s
OK Cesaroni I303 33.6oz 131ft/s 1,145ft/s 43.3G 3,194ft 9.7s 8s
OK Cesaroni I255 34.2oz 112ft/s 1,050ft/s 31.7G 3,199ft 10.0s 8s
OK AeroTech I284 35.6oz 143ft/s 1,160ft/s 47.4G 3,291ft 9.8s 8s
OK Cesaroni I242 35.4oz 110ft/s 1,043ft/s 28.1G 3,370ft 10.3s 8s
warningsW Loki I110 36.8oz 89ft/s 779ft/s 24.8G 3,479ft 11.2s 7s
OK Cesaroni J357 37.2oz 136ft/s 1,277ft/s 48.9G 3,511ft 10.0s 8s
OK Cesaroni I55 31.4oz 52ft/s 522ft/s 8.7G 3,650ft 13.4s 6s
OK AeroTech I49 30.0oz 49ft/s 466ft/s 6.1G 3,721ft 14.0s 6s
OK AeroTech I59 33.2oz 84ft/s 628ft/s 16.3G 4,322ft 14.3s 6s

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.

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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