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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 124 motors that fit and appear to have enough thrust (662 motors didn't fit, 5 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:   Broken Arrow 4
Owner: Terrance Buyze
Body Diameter: 4.00in
Dry Weight: 6.00lb
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 7.16lb 64ft/s 333ft/s 7.2G 1,502ft 9.9s 8s
OK AeroTech I170 7.16lb 53ft/s 321ft/s 5.5G 1,523ft 10.2s 8s
OK AeroTech I599 7.13lb 114ft/s 393ft/s 23.2G 1,608ft 9.5s 9s
OK AeroTech I229 7.13lb 64ft/s 354ft/s 7.7G 1,608ft 10.1s 8s
OK Cesaroni I150 7.26lb 49ft/s 336ft/s 4.5G 1,806ft 11.3s 8s
OK Cesaroni I445 7.27lb 86ft/s 434ft/s 15.5G 1,937ft 10.5s 9s
OK Cesaroni I218 7.28lb 63ft/s 395ft/s 7.2G 1,986ft 11.2s 9s
OK Cesaroni I165 7.31lb 52ft/s 372ft/s 4.8G 2,075ft 11.8s 8s
OK Cesaroni I100 7.78lb 57ft/s 314ft/s 7.8G 2,501ft 13.6s 5s
OK AeroTech I65 7.66lb 50ft/s 324ft/s 4.8G 2,678ft 14.4s 6s
OK Cesaroni J250 7.83lb 57ft/s 509ft/s 6.9G 2,793ft 13.0s 10s
OK AeroTech J250 8.00lb 58ft/s 516ft/s 7.6G 2,881ft 13.0s 10s
OK Cesaroni J145 7.85lb 60ft/s 408ft/s 12.9G 2,893ft 13.6s 9s
OK Cesaroni J280 8.10lb 63ft/s 538ft/s 7.9G 2,904ft 13.0s 11s
OK AeroTech J250 7.56lb 70ft/s 515ft/s 9.0G 2,989ft 13.0s 10s
OK Cesaroni J1055 7.70lb 133ft/s 675ft/s 32.4G 3,053ft 12.2s 12s
OK AeroTech J315 7.88lb 71ft/s 562ft/s 9.8G 3,121ft 13.2s 11s
OK AeroTech J180 7.78lb 68ft/s 495ft/s 8.4G 3,344ft 13.9s 9s
OK Cesaroni J240 7.93lb 62ft/s 562ft/s 7.3G 3,361ft 13.9s 11s
OK Gorilla J365 8.65lb 61ft/s 618ft/s 12.0G 3,375ft 13.7s 11s
OK Cesaroni J430 7.76lb 85ft/s 657ft/s 14.1G 3,411ft 13.3s 11s
OK AeroTech J1299 7.84lb 145ft/s 766ft/s 41.6G 3,453ft 12.7s 12s
OK AeroTech J275 7.91lb 64ft/s 565ft/s 8.5G 3,461ft 13.9s 10s
OK Cesaroni J293 7.85lb 67ft/s 606ft/s 9.2G 3,468ft 13.9s 11s
OK AeroTech J460 7.74lb 90ft/s 669ft/s 15.1G 3,492ft 13.3s 11s
OK Cesaroni J210 7.86lb 63ft/s 521ft/s 8.3G 3,523ft 14.6s 11s
OK Cesaroni J244 8.01lb 59ft/s 581ft/s 6.4G 3,526ft 14.3s 11s
OK AMW J1365 8.47lb 141ft/s 783ft/s 40.8G 3,651ft 13.1s 12s
OK AMW J400 9.05lb 69ft/s 670ft/s 10.9G 3,757ft 14.2s 12s
OK Loki J350 8.78lb 69ft/s 669ft/s 10.6G 3,803ft 14.3s 12s
OK Gorilla J167 8.68lb 64ft/s 484ft/s 8.6G 3,854ft 15.4s 9s
OK AMW J475 9.11lb 78ft/s 721ft/s 14.3G 3,942ft 14.2s 12s
OK Cesaroni J360 8.43lb 68ft/s 707ft/s 13.4G 4,043ft 14.6s 12s
OK Gorilla J465 8.61lb 76ft/s 751ft/s 16.1G 4,075ft 14.3s 12s
OK Cesaroni J380 8.85lb 68ft/s 724ft/s 9.9G 4,076ft 14.6s 12s
OK AeroTech J1799 8.45lb 166ft/s 920ft/s 56.5G 4,076ft 13.4s 13s
OK Gorilla J395 8.56lb 70ft/s 726ft/s 11.1G 4,102ft 14.6s 12s
OK Cesaroni J1520 8.26lb 151ft/s 929ft/s 45.4G 4,128ft 13.5s 13s
OK AeroTech J450 8.70lb 76ft/s 748ft/s 13.0G 4,156ft 14.6s 12s
OK Gorilla J485 8.62lb 78ft/s 778ft/s 14.1G 4,215ft 14.5s 12s
OK AMW J395 8.80lb 78ft/s 720ft/s 11.1G 4,225ft 14.8s 12s
OK Gorilla J450 9.21lb 71ft/s 749ft/s 13.9G 4,254ft 14.8s 12s
OK Gorilla J535 8.70lb 97ft/s 805ft/s 16.5G 4,282ft 14.3s 12s
OK AMW J440 8.71lb 104ft/s 769ft/s 19.8G 4,294ft 14.3s 12s
OK AMW J325 8.71lb 80ft/s 668ft/s 13.0G 4,307ft 15.0s 12s
OK AeroTech J135 8.52lb 52ft/s 532ft/s 5.7G 4,314ft 16.3s 9s
OK Loki J525 8.73lb 89ft/s 815ft/s 15.7G 4,314ft 14.4s 12s
OK Loki J820 8.67lb 121ft/s 859ft/s 26.0G 4,317ft 14.0s 13s
OK AMW K1720 8.98lb 162ft/s 950ft/s 49.2G 4,384ft 13.9s 13s
OK AeroTech J540 8.39lb 96ft/s 830ft/s 17.2G 4,431ft 14.4s 12s
OK AeroTech J401 8.01lb 81ft/s 792ft/s 12.5G 4,450ft 14.7s 12s
OK AMW J745 8.69lb 106ft/s 890ft/s 21.7G 4,558ft 14.5s 13s
OK AMW J475 9.29lb 85ft/s 785ft/s 13.2G 4,622ft 15.2s 12s
OK Cesaroni J355 8.59lb 75ft/s 757ft/s 10.4G 4,647ft 15.3s 12s
OK Loki J175 8.76lb 69ft/s 578ft/s 9.8G 4,665ft 16.3s 10s
OK Loki J300 8.90lb 72ft/s 703ft/s 9.2G 4,743ft 15.9s 12s
OK AeroTech J800 8.39lb 115ft/s 932ft/s 24.5G 4,747ft 14.5s 13s
OK Cesaroni J295 8.47lb 76ft/s 708ft/s 10.6G 4,764ft 15.6s 12s
OK Cesaroni J760 8.37lb 110ft/s 966ft/s 23.2G 4,799ft 14.6s 13s
OK AMW K665 9.83lb 89ft/s 892ft/s 18.1G 4,834ft 15.0s 13s
OK AeroTech J415 8.58lb 80ft/s 818ft/s 13.2G 4,856ft 15.3s 12s
OK AeroTech K456 9.27lb 78ft/s 835ft/s 11.6G 4,868ft 15.4s 12s
OK Cesaroni J449 8.47lb 83ft/s 863ft/s 13.9G 4,873ft 15.2s 12s
OK Cesaroni J140 8.82lb 48ft/s 524ft/s 4.5G 4,947ft 18.0s 9s
OK AeroTech K2050 8.85lb 173ft/s 1,129ft/s 54.8G 4,960ft 14.4s 14s
OK Cesaroni K360 8.72lb 71ft/s 812ft/s 9.2G 4,969ft 15.8s 12s
OK Cesaroni K2045 8.84lb 167ft/s 1,161ft/s 57.1G 4,992ft 14.3s 14s
OK Gorilla K222 9.52lb 70ft/s 597ft/s 9.0G 5,027ft 17.0s 10s
OK AeroTech K400 8.63lb 84ft/s 819ft/s 13.0G 5,073ft 15.7s 12s
OK Gorilla K555 9.48lb 82ft/s 909ft/s 14.5G 5,089ft 15.6s 13s
OK Gorilla K520 9.18lb 79ft/s 897ft/s 13.6G 5,092ft 15.6s 13s
OK Cesaroni K454 9.07lb 77ft/s 863ft/s 12.6G 5,104ft 15.6s 13s
OK Gorilla K630 9.44lb 92ft/s 935ft/s 18.2G 5,119ft 15.4s 13s
OK Cesaroni K530 9.62lb 82ft/s 917ft/s 12.7G 5,123ft 15.6s 13s
OK Gorilla K533 9.78lb 78ft/s 889ft/s 15.4G 5,145ft 15.7s 13s
OK KBA K700 9.31lb 101ft/s 995ft/s 20.6G 5,175ft 15.2s 13s
OK AMW K535 9.44lb 85ft/s 900ft/s 14.2G 5,255ft 15.8s 13s
OK AeroTech K513 9.63lb 84ft/s 925ft/s 14.3G 5,260ft 15.6s 13s
OK AeroTech K695 9.28lb 99ft/s 994ft/s 21.4G 5,283ft 15.3s 13s
OK AeroTech K535 8.79lb 91ft/s 917ft/s 15.4G 5,286ft 15.5s 13s
OK AeroTech K185 9.16lb 59ft/s 641ft/s 7.2G 5,388ft 17.4s 10s
OK AMW K610 9.89lb 89ft/s 935ft/s 16.0G 5,419ft 15.9s 13s
OK AMW K455 9.32lb 95ft/s 858ft/s 17.7G 5,445ft 15.9s 13s
OK AMW K935 9.32lb 115ft/s 1,081ft/s 25.3G 5,507ft 15.4s 14s
OK AeroTech K1100 8.95lb 135ft/s 1,125ft/s 32.7G 5,509ft 15.1s 13s
OK AMW K700 10.60lb 88ft/s 998ft/s 16.9G 5,588ft 15.9s 14s
OK Loki K690 11.29lb 83ft/s 997ft/s 16.0G 5,604ft 16.1s 14s
OK AeroTech K540 8.81lb 105ft/s 986ft/s 20.9G 5,669ft 15.6s 12s
OK Cesaroni K940 9.01lb 116ft/s 1,152ft/s 26.6G 5,677ft 15.3s 14s
OK AeroTech K550 9.28lb 95ft/s 951ft/s 18.5G 5,704ft 15.9s 13s
OK AMW K855 10.68lb 101ft/s 1,064ft/s 21.0G 5,717ft 15.9s 14s
OK Cesaroni K500 9.25lb 85ft/s 959ft/s 13.7G 5,727ft 16.2s 13s
OK Cesaroni K515 9.65lb 86ft/s 963ft/s 14.8G 5,840ft 16.3s 13s
OK Gorilla K700 9.78lb 94ft/s 1,060ft/s 17.5G 5,850ft 16.2s 14s
OK Cesaroni K400 9.42lb 78ft/s 890ft/s 10.4G 5,852ft 16.8s 13s
OK Cesaroni K630 9.11lb 96ft/s 1,070ft/s 18.5G 5,865ft 15.9s 13s
OK Gorilla K763 9.95lb 98ft/s 1,093ft/s 19.1G 5,884ft 16.1s 14s
OK Cesaroni K650 10.39lb 87ft/s 1,064ft/s 14.7G 5,891ft 16.2s 14s
OK Gorilla K327 10.01lb 79ft/s 761ft/s 14.5G 5,918ft 17.1s 12s
OK Cesaroni K445 9.08lb 93ft/s 925ft/s 15.5G 5,947ft 16.4s 13s
OK Gorilla K805 9.91lb 101ft/s 1,106ft/s 24.1G 5,950ft 15.9s 14s
OK AeroTech K805 9.40lb 103ft/s 1,119ft/s 20.5G 5,974ft 15.9s 14s
OK AeroTech K1103 9.22lb 141ft/s 1,239ft/s 38.3G 6,008ft 15.5s 14s
OK Cesaroni K520 9.47lb 85ft/s 1,002ft/s 13.6G 6,040ft 16.5s 13s
OK AMW K710 9.99lb 105ft/s 1,042ft/s 18.9G 6,074ft 16.3s 14s
OK Cesaroni K160 9.25lb 55ft/s 596ft/s 5.5G 6,107ft 19.3s 10s
OK AMW K670 10.16lb 99ft/s 1,058ft/s 17.5G 6,115ft 16.4s 14s
OK AMW K1250 10.00lb 137ft/s 1,257ft/s 35.3G 6,270ft 15.9s 14s
OK Cesaroni K740 9.24lb 110ft/s 1,165ft/s 20.4G 6,288ft 16.1s 14s
OK AMW K580 10.02lb 105ft/s 1,009ft/s 23.2G 6,311ft 16.6s 13s
OK Loki K960 9.85lb 133ft/s 1,217ft/s 34.2G 6,327ft 16.0s 14s
OK Loki K250 9.95lb 82ft/s 718ft/s 17.1G 6,349ft 18.5s 12s
OK Cesaroni K1200 9.60lb 126ft/s 1,339ft/s 31.2G 6,411ft 15.8s 14s
OK Cesaroni K635 9.90lb 94ft/s 1,119ft/s 16.6G 6,552ft 16.7s 14s
OK Cesaroni K650 9.77lb 101ft/s 1,132ft/s 27.3G 6,558ft 16.5s 13s
OK Loki K527 10.35lb 91ft/s 1,038ft/s 15.5G 6,706ft 17.3s 13s
OK Cesaroni K780 9.75lb 107ft/s 1,251ft/s 22.1G 6,738ft 16.4s 14s
OK Cesaroni K490 10.09lb 81ft/s 1,027ft/s 12.1G 6,765ft 17.4s 13s
OK Cesaroni K570 9.71lb 103ft/s 1,090ft/s 19.8G 6,879ft 17.0s 13s
OK Cesaroni K600 10.17lb 95ft/s 1,123ft/s 16.2G 6,924ft 17.1s 14s
OK Cesaroni K261 10.26lb 62ft/s 805ft/s 6.9G 7,307ft 19.5s 11s
warningsD AMW K590 9.79lb 14:1 thrust/weight ratio (no data)
warningsD Gorilla K695 9.30lb 17:1 thrust/weight ratio (no data)
warningsD Gorilla K828 10.05lb 19:1 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 (40ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (45ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (44ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (43ft/s)

G These simulations were run with a launch guide length of 9ft (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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