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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 123 motors that fit and appear to have enough thrust (662 motors didn't fit, 6 motors failed safety checks). 126 motor had thrust curves available and 218 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:   120aim
Owner: mike armstrong
Body Diameter: 4.00in
Dry Weight: 78.0oz
MMT Diameter: 54.0mm
MMT Length: 22.00in
CD: 0.60

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 I215 96.6oz 62ft/s 397ft/s 8.7G 1,795ft 10.4s 9s
OK AeroTech I170 96.6oz 51ft/s 383ft/s 6.7G 1,832ft 10.7s 8s
OK AeroTech I599 96.1oz 109ft/s 468ft/s 27.8G 1,864ft 9.9s 9s
OK AeroTech I229 96.1oz 61ft/s 421ft/s 9.3G 1,900ft 10.6s 9s
OK Cesaroni I150 98.1oz 49ft/s 397ft/s 5.5G 2,143ft 11.8s 9s
OK Cesaroni I445 98.3oz 82ft/s 513ft/s 18.5G 2,202ft 10.8s 10s
OK Cesaroni I218 98.5oz 60ft/s 464ft/s 8.7G 2,288ft 11.5s 9s
OK Cesaroni I165 99.0oz 51ft/s 436ft/s 5.9G 2,410ft 12.2s 9s
OK Cesaroni I100 106.5oz 55ft/s 364ft/s 9.3G 2,902ft 14.0s 5s
OK Cesaroni J250 107.3oz 52ft/s 586ft/s 8.2G 3,069ft 13.0s 10s
OK AeroTech I65 104.5oz 49ft/s 375ft/s 5.8G 3,102ft 14.8s 6s
OK AeroTech J250 110.0oz 56ft/s 591ft/s 8.9G 3,146ft 13.1s 10s
OK Cesaroni J280 111.7oz 59ft/s 617ft/s 9.2G 3,159ft 13.0s 11s
OK Cesaroni J145 107.5oz 58ft/s 465ft/s 15.2G 3,222ft 13.8s 9s
OK Cesaroni J1055 105.2oz 122ft/s 789ft/s 38.1G 3,224ft 12.1s 11s
OK AeroTech J250 103.0oz 67ft/s 586ft/s 10.7G 3,243ft 13.0s 10s
OK AeroTech J315 108.0oz 68ft/s 640ft/s 11.6G 3,358ft 13.1s 11s
OK AeroTech J1299 107.4oz 140ft/s 891ft/s 48.7G 3,584ft 12.5s 12s
OK Gorilla J365 120.5oz 57ft/s 702ft/s 13.7G 3,603ft 13.6s 11s
OK Cesaroni J430 106.2oz 82ft/s 752ft/s 16.7G 3,603ft 13.1s 11s
OK Cesaroni J240 108.9oz 59ft/s 636ft/s 8.6G 3,614ft 13.8s 11s
OK AeroTech J180 106.5oz 65ft/s 560ft/s 10.0G 3,615ft 13.9s 9s
OK AeroTech J460 105.8oz 87ft/s 763ft/s 17.8G 3,665ft 13.1s 11s
OK AeroTech J275 108.5oz 62ft/s 636ft/s 9.9G 3,697ft 13.8s 10s
OK Cesaroni J293 107.6oz 62ft/s 687ft/s 10.9G 3,698ft 13.7s 11s
OK Cesaroni J244 110.1oz 56ft/s 655ft/s 7.6G 3,781ft 14.2s 11s
OK AMW J1365 117.5oz 135ft/s 900ft/s 47.2G 3,786ft 12.9s 12s
OK Cesaroni J210 107.7oz 60ft/s 582ft/s 9.9G 3,838ft 14.6s 11s
OK AMW J400 126.7oz 65ft/s 752ft/s 12.3G 3,947ft 14.0s 12s
OK Loki J350 122.4oz 65ft/s 753ft/s 12.2G 4,002ft 14.1s 11s
OK AMW J475 127.7oz 74ft/s 809ft/s 16.3G 4,101ft 13.9s 12s
OK AeroTech J1799 117.2oz 155ft/s 1,058ft/s 65.5G 4,128ft 13.0s 12s
OK Gorilla J167 120.9oz 60ft/s 537ft/s 10.0G 4,161ft 15.4s 9s
OK Cesaroni J1520 114.2oz 142ft/s 1,071ft/s 52.2G 4,181ft 13.1s 12s
OK Cesaroni J360 116.9oz 64ft/s 793ft/s 15.6G 4,217ft 14.3s 11s
OK Gorilla J465 119.7oz 70ft/s 844ft/s 18.3G 4,225ft 14.0s 12s
OK Cesaroni J380 123.6oz 64ft/s 811ft/s 11.2G 4,239ft 14.3s 12s
OK Gorilla J395 118.9oz 66ft/s 814ft/s 12.8G 4,280ft 14.4s 12s
OK AeroTech J450 121.1oz 73ft/s 839ft/s 14.9G 4,324ft 14.3s 12s
OK Gorilla J485 120.0oz 74ft/s 873ft/s 16.3G 4,356ft 14.2s 12s
OK Loki J820 120.7oz 112ft/s 970ft/s 30.0G 4,389ft 13.6s 12s
OK Gorilla J535 121.2oz 90ft/s 904ft/s 19.1G 4,397ft 14.0s 12s
OK AMW J395 122.7oz 71ft/s 801ft/s 12.8G 4,402ft 14.5s 12s
OK Gorilla J450 129.3oz 64ft/s 835ft/s 15.8G 4,417ft 14.6s 12s
OK AMW J440 121.4oz 100ft/s 863ft/s 22.9G 4,424ft 14.0s 12s
OK Loki J525 121.7oz 83ft/s 915ft/s 18.0G 4,432ft 14.1s 12s
OK AMW K1720 125.7oz 151ft/s 1,082ft/s 56.4G 4,446ft 13.6s 13s
OK AMW J325 121.4oz 76ft/s 735ft/s 15.0G 4,500ft 14.7s 11s
OK AeroTech J540 116.2oz 90ft/s 925ft/s 19.9G 4,511ft 13.9s 12s
OK AeroTech J401 110.2oz 77ft/s 883ft/s 14.7G 4,568ft 14.3s 12s
OK AeroTech J135 118.2oz 50ft/s 591ft/s 6.6G 4,608ft 16.2s 9s
OK AMW J745 121.0oz 99ft/s 1,000ft/s 25.1G 4,643ft 14.1s 13s
OK AMW J475 130.7oz 80ft/s 870ft/s 15.2G 4,765ft 14.8s 12s
OK AeroTech J800 116.3oz 111ft/s 1,042ft/s 28.4G 4,785ft 14.0s 12s
OK Cesaroni J355 119.4oz 69ft/s 833ft/s 12.1G 4,788ft 14.9s 12s
OK Cesaroni J760 116.0oz 104ft/s 1,084ft/s 26.9G 4,837ft 14.1s 12s
OK AMW K665 139.3oz 86ft/s 987ft/s 20.4G 4,906ft 14.6s 13s
OK Loki J175 122.1oz 65ft/s 636ft/s 11.4G 4,921ft 16.1s 10s
OK AeroTech K2050 123.6oz 155ft/s 1,283ft/s 62.9G 4,929ft 13.8s 13s
OK Cesaroni J295 117.5oz 72ft/s 772ft/s 12.4G 4,932ft 15.3s 11s
OK Loki J300 124.4oz 68ft/s 769ft/s 10.7G 4,933ft 15.6s 11s
OK Cesaroni K2045 123.5oz 164ft/s 1,323ft/s 65.7G 4,944ft 13.7s 13s
OK AeroTech J415 119.2oz 76ft/s 902ft/s 15.1G 4,952ft 14.8s 11s
OK Cesaroni J449 117.6oz 78ft/s 955ft/s 16.2G 4,964ft 14.7s 12s
OK AeroTech K456 130.3oz 74ft/s 920ft/s 13.3G 4,971ft 15.0s 12s
OK Cesaroni K360 121.5oz 66ft/s 892ft/s 10.7G 5,092ft 15.3s 12s
OK Gorilla K555 133.6oz 76ft/s 1,006ft/s 16.4G 5,177ft 15.2s 13s
OK Gorilla K630 133.0oz 84ft/s 1,034ft/s 20.5G 5,184ft 14.9s 13s
OK Cesaroni K530 135.8oz 77ft/s 1,009ft/s 14.2G 5,184ft 15.1s 12s
OK Gorilla K520 128.9oz 75ft/s 990ft/s 15.5G 5,184ft 15.2s 13s
OK Cesaroni K454 127.1oz 73ft/s 947ft/s 14.5G 5,195ft 15.2s 12s
OK AeroTech K400 120.1oz 83ft/s 898ft/s 15.2G 5,201ft 15.3s 12s
OK KBA K700 131.0oz 97ft/s 1,105ft/s 23.2G 5,215ft 14.7s 13s
OK Gorilla K533 138.6oz 72ft/s 977ft/s 17.5G 5,228ft 15.2s 13s
OK Gorilla K222 134.3oz 64ft/s 650ft/s 10.4G 5,281ft 16.8s 10s
OK AeroTech K695 130.5oz 92ft/s 1,094ft/s 24.5G 5,291ft 14.7s 12s
OK AeroTech K513 136.1oz 78ft/s 1,016ft/s 16.1G 5,311ft 15.1s 12s
OK AeroTech K535 122.6oz 89ft/s 1,002ft/s 17.8G 5,331ft 15.0s 12s
OK AMW K535 133.0oz 83ft/s 988ft/s 16.2G 5,341ft 15.3s 13s
OK AeroTech K1100 125.1oz 125ft/s 1,247ft/s 37.6G 5,460ft 14.5s 13s
OK AMW K610 140.3oz 81ft/s 1,025ft/s 18.1G 5,490ft 15.4s 13s
OK AMW K935 131.2oz 114ft/s 1,197ft/s 28.9G 5,505ft 14.8s 13s
OK AMW K455 131.1oz 91ft/s 932ft/s 20.3G 5,535ft 15.5s 12s
OK AMW K700 151.7oz 84ft/s 1,091ft/s 18.8G 5,614ft 15.4s 13s
OK AeroTech K185 128.6oz 57ft/s 700ft/s 8.3G 5,615ft 17.0s 9s
OK Cesaroni K940 126.2oz 115ft/s 1,274ft/s 30.6G 5,629ft 14.7s 13s
OK Loki K690 162.7oz 80ft/s 1,090ft/s 17.8G 5,643ft 15.6s 13s
OK AeroTech K540 123.0oz 95ft/s 1,071ft/s 24.1G 5,658ft 14.9s 12s
OK AMW K855 152.8oz 94ft/s 1,165ft/s 23.4G 5,715ft 15.3s 13s
OK AeroTech K550 130.5oz 88ft/s 1,034ft/s 21.0G 5,724ft 15.3s 12s
OK Cesaroni K500 130.1oz 79ft/s 1,039ft/s 15.7G 5,760ft 15.6s 12s
OK Cesaroni K630 127.7oz 92ft/s 1,167ft/s 21.3G 5,835ft 15.2s 12s
OK Gorilla K700 138.5oz 83ft/s 1,161ft/s 19.9G 5,868ft 15.6s 13s
OK Cesaroni K515 136.3oz 80ft/s 1,044ft/s 16.9G 5,877ft 15.7s 12s
OK Gorilla K763 141.2oz 87ft/s 1,198ft/s 21.6G 5,878ft 15.5s 13s
OK Cesaroni K650 148.2oz 84ft/s 1,159ft/s 16.3G 5,882ft 15.6s 13s
OK AeroTech K1103 129.5oz 138ft/s 1,367ft/s 43.8G 5,916ft 14.8s 13s
OK Gorilla K805 140.6oz 89ft/s 1,211ft/s 27.1G 5,924ft 15.4s 13s
OK Cesaroni K400 132.7oz 74ft/s 960ft/s 12.0G 5,932ft 16.2s 12s
OK AeroTech K805 132.4oz 98ft/s 1,221ft/s 23.4G 5,942ft 15.3s 13s
OK Cesaroni K445 127.3oz 88ft/s 995ft/s 17.8G 5,993ft 15.8s 12s
OK Gorilla K327 142.1oz 77ft/s 820ft/s 16.4G 6,053ft 16.6s 11s
OK Cesaroni K520 133.6oz 84ft/s 1,083ft/s 15.6G 6,057ft 15.9s 13s
OK AMW K710 141.9oz 98ft/s 1,138ft/s 21.4G 6,088ft 15.7s 13s
OK AMW K670 144.5oz 93ft/s 1,150ft/s 19.8G 6,128ft 15.9s 13s
OK AMW K1250 142.0oz 131ft/s 1,380ft/s 39.9G 6,193ft 15.3s 14s
OK Cesaroni K740 129.8oz 104ft/s 1,267ft/s 23.3G 6,228ft 15.4s 13s
OK Loki K960 139.6oz 128ft/s 1,329ft/s 38.7G 6,253ft 15.3s 13s
OK Cesaroni K1200 135.6oz 122ft/s 1,467ft/s 35.4G 6,283ft 15.1s 13s
OK AMW K580 142.3oz 99ft/s 1,089ft/s 26.3G 6,333ft 16.1s 13s
OK Cesaroni K160 129.9oz 52ft/s 646ft/s 6.4G 6,400ft 19.0s 9s
OK Cesaroni K650 138.3oz 96ft/s 1,218ft/s 31.0G 6,499ft 15.8s 12s
OK Cesaroni K635 140.4oz 90ft/s 1,203ft/s 18.9G 6,504ft 16.0s 13s
OK Loki K250 141.2oz 80ft/s 769ft/s 19.4G 6,543ft 18.0s 11s
OK Cesaroni K780 138.0oz 99ft/s 1,350ft/s 25.1G 6,624ft 15.6s 13s
OK Loki K527 147.6oz 83ft/s 1,116ft/s 17.6G 6,733ft 16.8s 13s
OK Cesaroni K490 143.4oz 79ft/s 1,095ft/s 13.8G 6,770ft 16.8s 13s
OK Cesaroni K570 137.4oz 99ft/s 1,163ft/s 22.5G 6,843ft 16.3s 13s
OK Cesaroni K600 144.7oz 91ft/s 1,201ft/s 18.4G 6,877ft 16.4s 13s
OK Cesaroni K261 146.1oz 56ft/s 855ft/s 7.8G 7,467ft 19.0s 10s
warningsD AMW K590 138.6oz 15:1 thrust/weight ratio (no data)
warningsD Gorilla K695 130.8oz 19:1 thrust/weight ratio (no data)
warningsD Gorilla K828 142.8oz 21:1 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 AeroTech I117 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (43ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (42ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (46ft/s)

G These simulations were run with a launch guide length of 7ft (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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