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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 122 motors that fit and appear to have enough thrust (628 motors didn't fit, 41 motors failed safety checks). 160 motor had thrust curves available and 289 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:   LOC Door Knob
Owner: Chris Attebery
Body Diameter: 7.67in
Dry Weight: 9.00lb
MMT Diameter: 54.0mm
MMT Length: 26.00in
CD: 0.42

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 I599 10.13lb 78ft/s 267ft/s 15.9G 812ft 6.9s 6s
OK Cesaroni I445 10.27lb 59ft/s 292ft/s 10.6G 987ft 7.7s 7s
OK Hypertek J250 11.85lb 50ft/s 295ft/s 6.7G 1,376ft 9.4s 6s
OK Cesaroni J1055 10.70lb 89ft/s 467ft/s 22.6G 1,614ft 9.0s 8s
OK Hypertek J270 11.86lb 56ft/s 333ft/s 8.4G 1,639ft 10.0s 7s
OK AeroTech J315 10.88lb 49ft/s 369ft/s 6.7G 1,649ft 10.0s 7s
OK Hypertek J190 11.85lb 48ft/s 306ft/s 6.2G 1,707ft 10.8s 6s
OK Cesaroni J430 10.76lb 56ft/s 440ft/s 9.9G 1,813ft 10.0s 8s
OK AeroTech J1299 10.84lb 103ft/s 534ft/s 29.3G 1,838ft 9.4s 9s
OK AeroTech J460 10.74lb 61ft/s 448ft/s 10.5G 1,864ft 10.0s 8s
OK AMW J1365 11.47lb 103ft/s 555ft/s 29.4G 1,960ft 9.7s 9s
OK AMW J400 12.05lb 48ft/s 455ft/s 7.4G 2,039ft 10.8s 8s
OK AMW J475 12.11lb 54ft/s 495ft/s 10.0G 2,147ft 10.7s 9s
OK AeroTech J1799 11.45lb 113ft/s 650ft/s 40.9G 2,203ft 10.0s 9s
OK Gorilla J465 11.61lb 52ft/s 510ft/s 11.1G 2,205ft 10.8s 9s
OK Cesaroni J1520 11.26lb 102ft/s 651ft/s 31.7G 2,224ft 10.1s 9s
OK AeroTech J450 11.70lb 52ft/s 509ft/s 9.1G 2,251ft 11.0s 9s
OK Gorilla J485 11.62lb 56ft/s 527ft/s 9.9G 2,284ft 11.0s 9s
OK AMW J395 11.80lb 54ft/s 484ft/s 7.9G 2,298ft 11.3s 9s
OK Gorilla J450 12.21lb 50ft/s 513ft/s 9.8G 2,318ft 11.3s 9s
OK Gorilla J535 11.70lb 67ft/s 551ft/s 12.0G 2,335ft 10.8s 9s
OK AMW J440 11.71lb 72ft/s 530ft/s 14.4G 2,339ft 10.8s 9s
OK Loki J525 11.73lb 61ft/s 557ft/s 11.1G 2,347ft 10.9s 9s
OK AMW J325 11.71lb 57ft/s 441ft/s 9.4G 2,350ft 11.5s 8s
OK Loki J820 11.67lb 82ft/s 597ft/s 19.0G 2,352ft 10.5s 9s
OK AMW K1720 11.98lb 113ft/s 680ft/s 35.5G 2,373ft 10.3s 10s
OK AeroTech J401 11.01lb 57ft/s 523ft/s 8.8G 2,416ft 11.2s 8s
OK AeroTech J540 11.39lb 66ft/s 556ft/s 12.2G 2,421ft 11.0s 9s
OK AMW J745 11.69lb 77ft/s 614ft/s 15.7G 2,478ft 10.9s 9s
OK Cesaroni J355 11.59lb 51ft/s 497ft/s 7.4G 2,544ft 11.8s 8s
OK AMW J475 12.29lb 59ft/s 538ft/s 9.7G 2,545ft 11.6s 8s
OK AeroTech J800 11.39lb 79ft/s 633ft/s 17.7G 2,597ft 11.0s 9s
OK Loki J300 11.90lb 49ft/s 460ft/s 6.6G 2,602ft 12.3s 8s
OK Cesaroni J295 11.47lb 53ft/s 458ft/s 7.6G 2,611ft 12.1s 8s
OK Cesaroni J760 11.37lb 74ft/s 658ft/s 16.8G 2,617ft 11.0s 9s
OK AMW K665 12.83lb 63ft/s 619ft/s 12.9G 2,667ft 11.4s 9s
OK Cesaroni J449 11.47lb 56ft/s 574ft/s 10.0G 2,670ft 11.7s 9s
OK AeroTech J415 11.58lb 54ft/s 544ft/s 9.3G 2,671ft 11.7s 8s
OK AeroTech K456 12.27lb 54ft/s 562ft/s 8.5G 2,687ft 11.8s 9s
OK AeroTech K2050 11.85lb 118ft/s 799ft/s 39.7G 2,697ft 10.7s 10s
OK Cesaroni K2045 11.84lb 123ft/s 822ft/s 41.0G 2,716ft 10.7s 10s
OK Cesaroni K360 11.72lb 48ft/s 534ft/s 6.5G 2,728ft 12.2s 9s
OK AeroTech K400 11.63lb 60ft/s 543ft/s 9.4G 2,781ft 12.0s 9s
OK Gorilla K222 12.52lb 49ft/s 389ft/s 6.6G 2,789ft 13.4s 7s
OK Gorilla K520 12.18lb 55ft/s 608ft/s 9.7G 2,795ft 11.9s 9s
OK Gorilla K555 12.48lb 57ft/s 624ft/s 10.4G 2,799ft 11.9s 9s
OK Gorilla K630 12.44lb 64ft/s 644ft/s 12.9G 2,814ft 11.6s 9s
OK Cesaroni K454 12.07lb 54ft/s 577ft/s 9.2G 2,817ft 12.0s 9s
OK Cesaroni K530 12.62lb 55ft/s 620ft/s 8.8G 2,836ft 12.0s 9s
OK KBA K700 12.31lb 71ft/s 689ft/s 14.4G 2,838ft 11.5s 10s
OK Gorilla K533 12.78lb 54ft/s 609ft/s 11.2G 2,843ft 11.9s 9s
OK AMW K535 12.44lb 60ft/s 611ft/s 10.4G 2,900ft 12.0s 9s
OK AeroTech K513 12.63lb 59ft/s 630ft/s 10.3G 2,919ft 11.9s 9s
OK AeroTech K535 11.79lb 66ft/s 610ft/s 11.2G 2,924ft 11.9s 9s
OK AeroTech K695 12.28lb 69ft/s 677ft/s 15.7G 2,924ft 11.6s 9s
OK AMW K610 12.89lb 63ft/s 644ft/s 12.0G 3,002ft 12.0s 9s
OK AMW K455 12.32lb 66ft/s 574ft/s 13.1G 3,017ft 12.2s 9s
OK AMW K935 12.32lb 86ft/s 750ft/s 18.6G 3,025ft 11.5s 10s
OK AeroTech K1100 11.95lb 92ft/s 773ft/s 24.2G 3,038ft 11.4s 10s
OK AMW K700 13.60lb 64ft/s 693ft/s 12.0G 3,113ft 12.1s 10s
OK Cesaroni K940 12.01lb 80ft/s 789ft/s 19.7G 3,128ft 11.6s 10s
OK Loki K690 14.29lb 61ft/s 698ft/s 11.6G 3,129ft 12.2s 10s
OK AeroTech K540 11.81lb 73ft/s 655ft/s 15.3G 3,167ft 12.0s 9s
OK AMW K855 13.68lb 73ft/s 745ft/s 15.2G 3,179ft 12.0s 10s
OK AeroTech K550 12.28lb 66ft/s 640ft/s 13.3G 3,180ft 12.2s 9s
OK Cesaroni K500 12.25lb 59ft/s 636ft/s 9.9G 3,186ft 12.5s 9s
OK Gorilla K700 12.78lb 66ft/s 727ft/s 12.9G 3,231ft 12.3s 10s
OK Gorilla K763 12.95lb 69ft/s 753ft/s 14.0G 3,259ft 12.2s 10s
OK Cesaroni K515 12.65lb 61ft/s 645ft/s 11.0G 3,260ft 12.5s 9s
OK Cesaroni K400 12.42lb 55ft/s 584ft/s 7.6G 3,267ft 13.0s 9s
OK Cesaroni K630 12.11lb 71ft/s 717ft/s 13.7G 3,269ft 12.2s 9s
OK Cesaroni K650 13.39lb 62ft/s 725ft/s 10.3G 3,293ft 12.4s 10s
OK Gorilla K805 12.91lb 71ft/s 765ft/s 17.4G 3,295ft 12.1s 10s
OK AeroTech K805 12.40lb 74ft/s 758ft/s 15.0G 3,312ft 12.1s 10s
OK Cesaroni K445 12.08lb 64ft/s 608ft/s 11.4G 3,318ft 12.7s 9s
OK AeroTech K1103 12.22lb 98ft/s 854ft/s 28.6G 3,321ft 11.7s 10s
OK Gorilla K327 13.01lb 56ft/s 508ft/s 10.8G 3,334ft 13.3s 8s
OK AeroTech K850 13.50lb 73ft/s 809ft/s 16.5G 3,370ft 12.1s 10s
OK Cesaroni K520 12.47lb 60ft/s 666ft/s 10.1G 3,372ft 12.7s 9s
OK AeroTech K990 13.65lb 72ft/s 806ft/s 15.8G 3,374ft 12.2s 10s
OK AMW K710 12.99lb 75ft/s 722ft/s 14.2G 3,378ft 12.3s 10s
OK AMW K670 13.16lb 71ft/s 725ft/s 13.2G 3,401ft 12.5s 10s
OK AMW K1250 13.00lb 96ft/s 883ft/s 26.9G 3,463ft 11.9s 10s
OK Cesaroni K740 12.24lb 76ft/s 785ft/s 14.9G 3,496ft 12.3s 10s
OK Loki K960 12.85lb 101ft/s 842ft/s 25.9G 3,508ft 12.1s 10s
OK AMW K580 13.02lb 75ft/s 685ft/s 17.6G 3,524ft 12.7s 10s
OK Cesaroni K1200 12.60lb 95ft/s 921ft/s 23.5G 3,551ft 11.9s 10s
OK Loki K250 12.95lb 57ft/s 466ft/s 12.9G 3,581ft 14.7s 8s
OK AeroTech K1275 13.38lb 97ft/s 899ft/s 25.4G 3,651ft 12.1s 10s
OK Cesaroni K675 13.28lb 68ft/s 754ft/s 14.3G 3,677ft 12.8s 10s
OK Cesaroni K635 12.90lb 67ft/s 747ft/s 12.4G 3,680ft 12.8s 10s
OK AeroTech K828 13.90lb 79ft/s 830ft/s 20.2G 3,691ft 12.5s 10s
OK Cesaroni K650 12.77lb 72ft/s 758ft/s 20.7G 3,701ft 12.7s 9s
OK Loki K527 13.35lb 65ft/s 703ft/s 11.8G 3,768ft 13.3s 9s
OK Cesaroni K780 12.75lb 75ft/s 841ft/s 16.6G 3,790ft 12.6s 10s
OK Cesaroni K490 13.09lb 58ft/s 676ft/s 9.1G 3,819ft 13.5s 9s
OK Cesaroni K570 12.71lb 75ft/s 723ft/s 14.9G 3,874ft 13.1s 9s
OK Cesaroni K1440 13.17lb 105ft/s 1,019ft/s 31.1G 3,886ft 12.2s 11s
OK Cesaroni K600 13.17lb 68ft/s 749ft/s 12.3G 3,907ft 13.2s 10s
OK Cesaroni K815 13.84lb 71ft/s 863ft/s 18.5G 3,975ft 12.9s 10s
OK AeroTech K700 13.49lb 77ft/s 791ft/s 16.6G 4,006ft 13.0s 9s
OK Cesaroni K750 13.53lb 74ft/s 831ft/s 14.8G 4,028ft 13.0s 10s
OK Cesaroni K820 13.37lb 83ft/s 873ft/s 26.8G 4,103ft 12.9s 10s
OK Cesaroni K711 13.85lb 74ft/s 804ft/s 23.6G 4,140ft 13.3s 10s
OK AeroTech K1050 13.86lb 88ft/s 960ft/s 22.9G 4,160ft 12.9s 10s
OK AeroTech K480 13.58lb 71ft/s 733ft/s 14.1G 4,172ft 13.6s 9s
OK Cesaroni K660 13.30lb 81ft/s 820ft/s 17.3G 4,278ft 13.3s 10s
OK AeroTech K375 13.64lb 86ft/s 615ft/s 20.7G 4,301ft 14.2s 8s
OK AeroTech L1000 13.84lb 89ft/s 971ft/s 20.5G 4,372ft 13.0s 10s
OK AeroTech L1090 14.36lb 85ft/s 951ft/s 19.7G 4,376ft 13.2s 10s
OK Cesaroni K590 13.40lb 96ft/s 711ft/s 29.5G 4,393ft 13.7s 9s
OK Cesaroni L1030 14.15lb 78ft/s 988ft/s 23.5G 4,440ft 13.2s 10s
OK Cesaroni L990 13.93lb 90ft/s 971ft/s 25.3G 4,458ft 13.1s 10s
OK Cesaroni K260 13.51lb 49ft/s 550ft/s 6.2G 4,603ft 16.1s 7s
OK Cesaroni L730 13.95lb 85ft/s 869ft/s 18.6G 4,631ft 13.7s 10s
OK Cesaroni L805 14.52lb 77ft/s 894ft/s 21.9G 4,657ft 13.7s 10s
OK Cesaroni L640 13.95lb 92ft/s 766ft/s 23.2G 4,827ft 14.1s 9s
OK Cesaroni L935 14.60lb 84ft/s 974ft/s 22.7G 4,829ft 13.6s 10s
OK Cesaroni K300 14.00lb 53ft/s 602ft/s 7.7G 4,932ft 16.2s 8s
warningsD AMW K590 12.79lb 10:1 thrust/weight ratio (no data)
warningsD Gorilla K695 12.30lb 13:1 thrust/weight ratio (no data)
warningsD Gorilla K828 13.05lb 14:1 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 (26ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (29ft/s)
failedG AeroTech I215 speed at end of launch guide too slow (42ft/s)
failedG AeroTech I229 speed at end of launch guide too slow (42ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (27ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni I218 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (38ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (33ft/s)
failedG Hypertek J115 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (41ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni J280 speed at end of launch guide too slow (41ft/s)
failedG Hypertek J170 speed at end of launch guide too slow (46ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (40ft/s)
failedG Hypertek J120 speed at end of launch guide too slow (38ft/s)
failedG AeroTech J180 speed at end of launch guide too slow (46ft/s)
failedG AeroTech J275 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni J240 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni J210 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni J293 speed at end of launch guide too slow (44ft/s)
failedG Gorilla J365 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (40ft/s)
failedG Loki J350 speed at end of launch guide too slow (47ft/s)
failedG Gorilla J167 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J360 speed at end of launch guide too slow (46ft/s)
failedG Gorilla J395 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni J380 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (35ft/s)
failedG Loki J175 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (33ft/s)
failedG AeroTech K185 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (37ft/s)
failedG AeroTech K270 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni K261 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni L265 speed at end of launch guide too slow (47ft/s)

G These simulations were run with a launch guide length of 6ft (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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