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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 169 motors that fit and appear to have enough thrust (612 motors didn't fit, 19 motors failed safety checks). 185 motor had thrust curves available and 335 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:   Long Tom
Owner: Allen
Body Diameter: 5.50in
Dry Weight: 13.00lb
MMT Diameter: 54.0mm
MMT Length: 44.00in
CD: 0.50

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 14.16lb 48ft/s 144ft/s 3.1G 438ft 6.1s 4s
OK AeroTech I229 14.13lb 49ft/s 157ft/s 3.4G 489ft 6.3s 5s
OK AeroTech I599 14.13lb 92ft/s 189ft/s 11.1G 549ft 6.0s 5s
OK Cesaroni I218 14.28lb 49ft/s 177ft/s 3.2G 650ft 7.3s 5s
OK Cesaroni I445 14.27lb 72ft/s 208ft/s 7.4G 695ft 6.9s 6s
OK Contrail J245 16.42lb 55ft/s 203ft/s 5.0G 871ft 8.2s 6s
OK Contrail J355 16.45lb 54ft/s 240ft/s 6.6G 996ft 8.5s 7s
OK Hypertek J170 15.83lb 53ft/s 196ft/s 4.0G 1,040ft 9.4s 5s
OK Hypertek J250 15.85lb 59ft/s 222ft/s 4.8G 1,048ft 8.9s 6s
OK Contrail J292 16.40lb 66ft/s 237ft/s 6.6G 1,114ft 9.0s 6s
OK Cesaroni J280 15.10lb 50ft/s 264ft/s 3.8G 1,203ft 9.6s 7s
OK AeroTech J250 14.56lb 55ft/s 252ft/s 4.2G 1,242ft 9.6s 7s
OK Hypertek J190 15.85lb 56ft/s 232ft/s 4.4G 1,341ft 10.4s 6s
OK Hypertek J270 15.86lb 67ft/s 257ft/s 6.0G 1,342ft 9.9s 7s
OK AeroTech J315 14.88lb 59ft/s 280ft/s 4.7G 1,363ft 10.0s 7s
OK AeroTech J180 14.78lb 55ft/s 244ft/s 4.0G 1,428ft 10.6s 6s
OK Cesaroni J1055 14.70lb 108ft/s 343ft/s 16.3G 1,454ft 9.3s 9s
OK Cesaroni J240 14.93lb 50ft/s 279ft/s 3.4G 1,460ft 10.6s 7s
OK Cesaroni J210 14.86lb 49ft/s 259ft/s 3.9G 1,483ft 11.0s 7s
OK AeroTech J275 14.91lb 52ft/s 285ft/s 4.1G 1,557ft 10.8s 7s
OK Cesaroni J293 14.85lb 53ft/s 305ft/s 4.4G 1,570ft 10.7s 8s
OK Gorilla J365 15.65lb 53ft/s 322ft/s 6.2G 1,578ft 10.6s 8s
OK Contrail J358 16.84lb 67ft/s 298ft/s 8.7G 1,579ft 10.5s 8s
OK Cesaroni J430 14.76lb 69ft/s 334ft/s 7.0G 1,616ft 10.4s 8s
OK Gorilla J167 15.68lb 54ft/s 244ft/s 4.3G 1,702ft 12.0s 6s
OK AeroTech J460 14.74lb 73ft/s 344ft/s 7.5G 1,702ft 10.5s 8s
OK AeroTech J1299 14.84lb 125ft/s 396ft/s 21.3G 1,776ft 10.1s 9s
OK AMW J400 16.05lb 58ft/s 359ft/s 5.8G 1,890ft 11.4s 9s
OK Loki J350 15.78lb 57ft/s 357ft/s 5.5G 1,898ft 11.4s 9s
OK AMW J1365 15.47lb 126ft/s 419ft/s 21.7G 1,939ft 10.6s 10s
OK Contrail J272 16.85lb 68ft/s 316ft/s 6.6G 1,946ft 11.8s 8s
OK Cesaroni J360 15.43lb 57ft/s 374ft/s 6.9G 2,063ft 11.9s 9s
OK AMW J475 16.11lb 68ft/s 393ft/s 7.7G 2,083ft 11.6s 9s
OK Gorilla J395 15.56lb 59ft/s 388ft/s 5.7G 2,115ft 12.0s 9s
OK Cesaroni J380 15.85lb 56ft/s 386ft/s 5.2G 2,117ft 12.1s 9s
OK Contrail J642 16.95lb 103ft/s 404ft/s 18.4G 2,152ft 11.4s 10s
OK Gorilla J465 15.61lb 65ft/s 404ft/s 8.6G 2,160ft 11.8s 10s
OK AeroTech J450 15.70lb 65ft/s 405ft/s 6.8G 2,194ft 12.0s 10s
OK Contrail J416 16.75lb 75ft/s 379ft/s 9.6G 2,203ft 12.0s 9s
OK AMW J395 15.80lb 65ft/s 392ft/s 5.7G 2,220ft 12.2s 9s
OK AMW J325 15.71lb 67ft/s 368ft/s 6.7G 2,247ft 12.3s 9s
OK Gorilla J485 15.62lb 67ft/s 421ft/s 7.4G 2,269ft 12.0s 10s
OK Gorilla J450 16.21lb 64ft/s 413ft/s 7.5G 2,288ft 12.3s 10s
OK Loki J175 15.76lb 56ft/s 310ft/s 5.0G 2,335ft 13.5s 7s
OK AeroTech J1799 15.45lb 148ft/s 492ft/s 30.0G 2,361ft 11.4s 11s
OK Cesaroni J1520 15.26lb 133ft/s 492ft/s 24.0G 2,376ft 11.5s 11s
OK AMW J440 15.71lb 87ft/s 427ft/s 10.5G 2,382ft 12.0s 10s
OK Gorilla J535 15.70lb 78ft/s 439ft/s 8.7G 2,382ft 12.1s 10s
OK Loki J525 15.73lb 74ft/s 444ft/s 8.5G 2,393ft 12.1s 10s
OK AeroTech J401 15.01lb 66ft/s 425ft/s 6.2G 2,433ft 12.5s 10s
OK Loki J820 15.67lb 102ft/s 472ft/s 13.9G 2,498ft 12.0s 11s
OK AeroTech J540 15.39lb 81ft/s 453ft/s 8.8G 2,524ft 12.4s 10s
OK Loki J300 15.90lb 58ft/s 390ft/s 4.7G 2,538ft 13.4s 9s
OK Cesaroni J355 15.59lb 62ft/s 417ft/s 5.3G 2,546ft 13.1s 10s
OK Cesaroni J295 15.47lb 62ft/s 392ft/s 5.4G 2,573ft 13.3s 9s
OK AMW K1720 15.98lb 140ft/s 522ft/s 26.8G 2,591ft 11.9s 11s
OK AMW J475 16.29lb 70ft/s 441ft/s 7.1G 2,600ft 12.9s 10s
OK Gorilla K222 16.52lb 59ft/s 332ft/s 4.8G 2,623ft 14.2s 8s
OK AMW J745 15.69lb 93ft/s 491ft/s 11.5G 2,641ft 12.4s 11s
OK AeroTech J415 15.58lb 67ft/s 456ft/s 6.9G 2,801ft 13.3s 10s
OK Cesaroni K360 15.72lb 58ft/s 451ft/s 4.7G 2,805ft 13.7s 10s
OK Cesaroni J449 15.47lb 69ft/s 476ft/s 7.2G 2,814ft 13.3s 10s
OK AeroTech K456 16.27lb 66ft/s 470ft/s 6.2G 2,820ft 13.4s 10s
OK AeroTech J800 15.39lb 96ft/s 514ft/s 12.9G 2,850ft 12.8s 11s
OK Cesaroni J760 15.37lb 93ft/s 529ft/s 12.1G 2,881ft 12.8s 11s
OK AeroTech K400 15.63lb 71ft/s 463ft/s 6.8G 2,905ft 13.6s 10s
OK AMW K665 16.83lb 78ft/s 511ft/s 10.2G 2,905ft 13.1s 11s
OK AeroTech K185 16.16lb 50ft/s 358ft/s 3.7G 2,908ft 14.9s 7s
OK Gorilla K520 16.18lb 70ft/s 509ft/s 7.4G 3,011ft 13.6s 11s
OK Cesaroni K454 16.07lb 67ft/s 490ft/s 6.7G 3,012ft 13.7s 11s
OK Gorilla K555 16.48lb 71ft/s 517ft/s 7.9G 3,036ft 13.6s 11s
OK Cesaroni K530 16.62lb 69ft/s 522ft/s 7.0G 3,100ft 13.8s 11s
OK Gorilla K533 16.78lb 69ft/s 514ft/s 8.5G 3,102ft 13.7s 11s
OK Gorilla K630 16.44lb 79ft/s 535ft/s 10.1G 3,113ft 13.5s 11s
OK AMW K535 16.44lb 75ft/s 519ft/s 7.7G 3,165ft 13.9s 11s
OK AeroTech K2050 15.85lb 147ft/s 621ft/s 29.7G 3,176ft 12.9s 12s
OK KBA K700 16.31lb 86ft/s 566ft/s 11.6G 3,199ft 13.5s 12s
OK Cesaroni K2045 15.84lb 145ft/s 635ft/s 30.9G 3,228ft 12.9s 12s
OK AeroTech K535 15.79lb 79ft/s 526ft/s 8.1G 3,242ft 13.9s 11s
OK AeroTech K513 16.63lb 73ft/s 536ft/s 7.9G 3,244ft 13.9s 11s
OK AMW K455 16.32lb 81ft/s 505ft/s 9.7G 3,303ft 14.1s 11s
OK AeroTech K695 16.28lb 85ft/s 572ft/s 11.6G 3,346ft 13.8s 12s
OK AMW K610 16.89lb 78ft/s 548ft/s 8.9G 3,347ft 14.0s 11s
OK AMW K935 16.32lb 103ft/s 623ft/s 13.9G 3,546ft 13.8s 12s
OK Gorilla K327 17.01lb 72ft/s 458ft/s 8.1G 3,585ft 15.2s 10s
OK Cesaroni K400 16.42lb 64ft/s 525ft/s 5.5G 3,590ft 15.1s 11s
OK AMW K700 17.60lb 80ft/s 594ft/s 9.9G 3,591ft 14.3s 12s
OK Loki K690 18.29lb 76ft/s 597ft/s 9.3G 3,592ft 14.4s 12s
OK Cesaroni K500 16.25lb 72ft/s 562ft/s 7.3G 3,606ft 14.7s 12s
OK AeroTech K1100 15.95lb 113ft/s 643ft/s 17.9G 3,635ft 13.9s 12s
OK AeroTech K550 16.28lb 80ft/s 562ft/s 10.2G 3,647ft 14.5s 11s
OK AeroTech K540 15.81lb 86ft/s 578ft/s 11.2G 3,668ft 14.4s 11s
OK Cesaroni K515 16.65lb 75ft/s 571ft/s 8.1G 3,710ft 14.8s 12s
OK Loki K250 16.95lb 62ft/s 426ft/s 9.6G 3,716ft 16.4s 9s
OK Cesaroni K445 16.08lb 77ft/s 551ft/s 8.3G 3,752ft 14.9s 11s
OK Cesaroni K940 16.01lb 101ft/s 660ft/s 14.5G 3,754ft 14.1s 12s
OK AMW K855 17.68lb 90ft/s 636ft/s 12.2G 3,759ft 14.4s 12s
OK Gorilla K700 16.78lb 84ft/s 623ft/s 9.7G 3,765ft 14.7s 12s
OK Gorilla K763 16.95lb 86ft/s 644ft/s 10.7G 3,851ft 14.6s 12s
OK Cesaroni K630 16.11lb 84ft/s 626ft/s 10.0G 3,858ft 14.7s 12s
OK Cesaroni K650 17.39lb 75ft/s 631ft/s 8.4G 3,868ft 14.9s 12s
OK Cesaroni K520 16.47lb 73ft/s 595ft/s 7.4G 3,889ft 15.1s 12s
OK Gorilla K805 16.91lb 89ft/s 658ft/s 13.7G 3,958ft 14.6s 12s
OK AeroTech K805 16.40lb 90ft/s 658ft/s 11.3G 3,963ft 14.7s 12s
OK AMW K710 16.99lb 90ft/s 628ft/s 10.6G 3,982ft 14.8s 12s
OK AMW K670 17.16lb 87ft/s 637ft/s 9.9G 4,006ft 14.9s 12s
OK AeroTech K990 17.65lb 94ft/s 690ft/s 12.7G 4,098ft 14.8s 13s
OK AeroTech K850 17.50lb 91ft/s 695ft/s 13.0G 4,110ft 14.8s 13s
OK AeroTech K1103 16.22lb 118ft/s 721ft/s 21.3G 4,127ft 14.5s 13s
OK AMW K580 17.02lb 89ft/s 617ft/s 13.2G 4,144ft 15.2s 12s
OK Cesaroni K740 16.24lb 92ft/s 691ft/s 11.1G 4,263ft 15.1s 13s
OK AMW K1250 17.00lb 120ft/s 750ft/s 20.3G 4,334ft 14.8s 13s
OK Loki K960 16.85lb 113ft/s 730ft/s 19.5G 4,365ft 14.9s 13s
OK Loki K527 17.35lb 78ft/s 640ft/s 8.8G 4,443ft 16.0s 12s
OK Cesaroni K635 16.90lb 82ft/s 683ft/s 9.3G 4,465ft 15.7s 13s
OK Cesaroni K675 17.28lb 83ft/s 685ft/s 10.8G 4,468ft 15.6s 13s
OK Cesaroni K490 17.09lb 70ft/s 635ft/s 6.7G 4,499ft 16.3s 12s
OK Cesaroni K650 16.77lb 89ft/s 690ft/s 15.5G 4,512ft 15.6s 12s
OK Cesaroni K1200 16.60lb 114ft/s 791ft/s 17.6G 4,530ft 15.0s 13s
OK Cesaroni K261 17.26lb 52ft/s 496ft/s 3.7G 4,536ft 17.9s 9s
OK Gorilla K980 18.42lb 100ft/s 737ft/s 15.1G 4,551ft 15.4s 13s
OK AeroTech K270 17.63lb 56ft/s 482ft/s 4.4G 4,572ft 17.9s 9s
OK AeroTech K828 17.90lb 99ft/s 739ft/s 15.4G 4,598ft 15.5s 13s
OK AeroTech K1275 17.38lb 120ft/s 791ft/s 19.3G 4,666ft 15.2s 13s
OK Cesaroni K570 16.71lb 91ft/s 677ft/s 11.1G 4,706ft 16.0s 12s
OK Cesaroni K600 17.17lb 81ft/s 697ft/s 9.2G 4,766ft 16.2s 13s
OK Cesaroni K780 16.75lb 93ft/s 760ft/s 12.4G 4,773ft 15.7s 13s
OK AMW K1075 18.82lb 99ft/s 775ft/s 14.7G 4,781ft 15.7s 14s
OK AeroTech K700 17.49lb 96ft/s 736ft/s 12.7G 5,016ft 16.1s 13s
OK Cesaroni K815 17.84lb 86ft/s 787ft/s 14.1G 5,028ft 16.1s 13s
OK AeroTech K375 17.64lb 111ft/s 603ft/s 16.1G 5,048ft 17.0s 11s
OK AeroTech K480 17.58lb 87ft/s 692ft/s 10.7G 5,086ft 16.6s 12s
OK Cesaroni K750 17.53lb 90ft/s 770ft/s 11.3G 5,086ft 16.2s 13s
OK Gorilla K1075 18.60lb 100ft/s 827ft/s 14.1G 5,126ft 16.1s 14s
OK Loki K830 18.29lb 77ft/s 830ft/s 11.9G 5,144ft 16.5s 14s
OK Cesaroni K1440 17.17lb 129ft/s 897ft/s 23.7G 5,159ft 15.6s 14s
OK KBA K1750 18.65lb 122ft/s 914ft/s 25.4G 5,176ft 15.7s 14s
OK Cesaroni K260 17.51lb 59ft/s 533ft/s 4.5G 5,184ft 18.6s 10s
OK Cesaroni K711 17.85lb 89ft/s 757ft/s 18.1G 5,199ft 16.5s 13s
OK Cesaroni K820 17.37lb 100ft/s 800ft/s 20.4G 5,243ft 16.2s 13s
OK Gorilla K1185 18.60lb 99ft/s 871ft/s 15.9G 5,292ft 16.2s 14s
OK KBA K750 18.81lb 95ft/s 778ft/s 13.1G 5,375ft 16.7s 13s
OK AMW K1130 18.67lb 109ft/s 857ft/s 17.7G 5,381ft 16.3s 14s
OK Gorilla K470 18.13lb 91ft/s 658ft/s 12.1G 5,396ft 17.2s 12s
OK Cesaroni K660 17.30lb 96ft/s 771ft/s 13.1G 5,410ft 16.7s 13s
OK AeroTech K1050 17.86lb 111ft/s 874ft/s 17.5G 5,426ft 16.3s 14s
OK Cesaroni K590 17.40lb 117ft/s 707ft/s 22.4G 5,433ft 16.8s 13s
OK AMW L1276 19.53lb 107ft/s 900ft/s 16.0G 5,576ft 16.6s 14s
OK Loki K350 18.60lb 84ft/s 593ft/s 13.8G 5,599ft 18.4s 11s
OK KBA L2300 18.80lb 146ft/s 1,007ft/s 34.4G 5,629ft 16.1s 15s
OK AMW L985 18.67lb 109ft/s 861ft/s 16.7G 5,659ft 16.7s 14s
OK AeroTech L1090 18.36lb 107ft/s 877ft/s 15.2G 5,703ft 16.7s 14s
OK Cesaroni K300 18.00lb 64ft/s 592ft/s 5.8G 5,731ft 19.0s 11s
OK AeroTech L1000 17.84lb 106ft/s 899ft/s 15.7G 5,760ft 16.6s 14s
OK AeroTech K250 17.88lb 54ft/s 569ft/s 4.5G 5,773ft 19.7s 9s
OK Cesaroni L990 17.93lb 106ft/s 905ft/s 19.4G 5,883ft 16.8s 14s
OK Loki L1400 18.60lb 115ft/s 975ft/s 20.7G 5,888ft 16.6s 15s
OK Cesaroni L1030 18.15lb 104ft/s 930ft/s 18.1G 5,895ft 16.8s 14s
OK Cesaroni L265 18.47lb 56ft/s 557ft/s 4.7G 5,918ft 20.4s 10s
OK Cesaroni L730 17.95lb 103ft/s 833ft/s 14.2G 5,969ft 17.2s 13s
OK Cesaroni L805 18.52lb 97ft/s 862ft/s 16.9G 6,038ft 17.3s 13s
OK Cesaroni L640 17.95lb 115ft/s 769ft/s 18.0G 6,082ft 17.5s 13s
OK Cesaroni L935 18.60lb 107ft/s 940ft/s 17.6G 6,401ft 17.4s 14s
OK Loki L1040 19.53lb 103ft/s 1,071ft/s 14.3G 7,371ft 18.4s 15s
OK Loki L2050 21.94lb 146ft/s 1,334ft/s 32.9G 8,330ft 18.5s 16s
OK Loki M1378 22.55lb 128ft/s 1,284ft/s 22.2G 9,240ft 19.6s 16s
warningsD AMW K590 16.79lb 8:1 thrust/weight ratio (no data)
warningsD Gorilla K695 16.30lb 10:1 thrust/weight ratio (no data)
warningsD Gorilla K828 17.05lb 11:1 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 (31ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (33ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (32ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (42ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (35ft/s)
failedG Hypertek J115 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (45ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (34ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (46ft/s)
failedG Hypertek J120 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (46ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (45ft/s)

G These simulations were run with a launch guide length of 12ft (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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