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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 173 motors that fit and appear to have enough thrust (600 motors didn't fit, 18 motors failed safety checks). 188 motor had thrust curves available and 339 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:   North Star
Owner: Terrance Buyze
Body Diameter: 5.50in
Dry Weight: 196.3oz
MMT Diameter: 54.0mm
MMT Length: 48.00in
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 214.9oz 50ft/s 154ft/s 3.4G 481ft 6.3s 4s
OK AeroTech I229 214.4oz 51ft/s 167ft/s 3.6G 534ft 6.5s 5s
OK AeroTech I599 214.3oz 95ft/s 200ft/s 11.8G 588ft 6.2s 6s
OK Cesaroni I218 216.7oz 51ft/s 188ft/s 3.4G 703ft 7.5s 5s
OK Cesaroni I445 216.6oz 74ft/s 220ft/s 7.8G 739ft 7.1s 6s
OK Contrail J245 250.9oz 56ft/s 213ft/s 5.3G 921ft 8.3s 6s
OK Contrail J355 251.4oz 56ft/s 251ft/s 7.0G 1,040ft 8.6s 7s
OK Hypertek J250 241.9oz 60ft/s 233ft/s 5.1G 1,098ft 9.0s 6s
OK Hypertek J170 241.5oz 55ft/s 207ft/s 4.2G 1,101ft 9.5s 5s
OK Cesaroni J145 225.8oz 48ft/s 197ft/s 6.7G 1,138ft 9.9s 5s
OK Contrail J292 250.7oz 68ft/s 248ft/s 6.9G 1,162ft 9.1s 7s
OK Cesaroni J280 229.9oz 52ft/s 277ft/s 4.0G 1,253ft 9.7s 7s
OK AeroTech J250 221.2oz 57ft/s 264ft/s 4.5G 1,292ft 9.7s 7s
OK Hypertek J270 242.0oz 69ft/s 269ft/s 6.3G 1,385ft 9.9s 7s
OK Hypertek J190 241.9oz 58ft/s 243ft/s 4.7G 1,396ft 10.5s 6s
OK AeroTech J315 226.3oz 60ft/s 294ft/s 5.0G 1,404ft 9.9s 7s
OK Cesaroni J1055 223.5oz 114ft/s 361ft/s 17.2G 1,470ft 9.3s 9s
OK AeroTech J180 224.8oz 56ft/s 255ft/s 4.2G 1,479ft 10.6s 6s
OK Cesaroni J240 227.1oz 51ft/s 292ft/s 3.6G 1,507ft 10.6s 7s
OK Cesaroni J210 226.0oz 50ft/s 270ft/s 4.2G 1,539ft 11.0s 7s
OK AeroTech J275 226.8oz 54ft/s 297ft/s 4.4G 1,596ft 10.8s 7s
OK Gorilla J365 238.7oz 55ft/s 337ft/s 6.5G 1,605ft 10.5s 8s
OK Cesaroni J293 225.9oz 55ft/s 318ft/s 4.7G 1,606ft 10.7s 8s
OK Contrail J358 257.7oz 69ft/s 310ft/s 9.1G 1,610ft 10.5s 8s
OK Cesaroni J430 224.5oz 71ft/s 350ft/s 7.4G 1,637ft 10.3s 8s
OK AeroTech J460 224.1oz 75ft/s 359ft/s 7.9G 1,714ft 10.4s 8s
OK Gorilla J167 239.2oz 56ft/s 254ft/s 4.6G 1,756ft 12.0s 6s
OK AeroTech J1299 225.7oz 132ft/s 416ft/s 22.4G 1,765ft 9.9s 9s
OK AMW J400 245.0oz 60ft/s 373ft/s 6.1G 1,895ft 11.2s 9s
OK Loki J350 240.7oz 58ft/s 371ft/s 5.8G 1,905ft 11.3s 9s
OK AMW J1365 235.7oz 128ft/s 438ft/s 22.7G 1,916ft 10.3s 10s
OK Contrail J272 257.9oz 70ft/s 326ft/s 7.0G 1,969ft 11.7s 8s
OK Cesaroni J360 235.2oz 59ft/s 388ft/s 7.3G 2,060ft 11.7s 9s
OK AMW J475 246.0oz 69ft/s 408ft/s 8.0G 2,066ft 11.3s 9s
OK Gorilla J395 237.2oz 61ft/s 403ft/s 6.0G 2,105ft 11.7s 9s
OK Cesaroni J380 241.9oz 58ft/s 401ft/s 5.4G 2,107ft 11.8s 9s
OK Contrail J642 259.4oz 103ft/s 418ft/s 19.3G 2,126ft 11.1s 9s
OK Gorilla J465 238.0oz 67ft/s 420ft/s 9.0G 2,137ft 11.5s 9s
OK AeroTech J450 239.4oz 65ft/s 420ft/s 7.1G 2,172ft 11.7s 9s
OK Contrail J416 256.2oz 78ft/s 391ft/s 10.0G 2,195ft 11.8s 9s
OK AMW J395 241.0oz 67ft/s 405ft/s 6.0G 2,203ft 11.9s 9s
OK AMW J325 239.7oz 69ft/s 378ft/s 7.1G 2,235ft 12.1s 9s
OK Gorilla J485 238.2oz 69ft/s 436ft/s 7.7G 2,236ft 11.7s 10s
OK Gorilla J450 247.6oz 66ft/s 427ft/s 7.8G 2,258ft 12.0s 9s
OK AeroTech J1799 235.5oz 150ft/s 514ft/s 31.6G 2,287ft 11.0s 10s
OK Cesaroni J1520 232.5oz 134ft/s 514ft/s 25.1G 2,303ft 11.1s 10s
OK AMW J440 239.6oz 92ft/s 441ft/s 11.0G 2,333ft 11.6s 10s
OK Gorilla J535 239.5oz 80ft/s 455ft/s 9.2G 2,333ft 11.7s 10s
OK Loki J525 240.0oz 76ft/s 461ft/s 8.8G 2,344ft 11.8s 10s
OK Loki J175 240.4oz 58ft/s 319ft/s 5.3G 2,346ft 13.3s 7s
OK AeroTech J401 228.4oz 68ft/s 439ft/s 6.6G 2,389ft 12.2s 9s
OK Loki J820 238.9oz 103ft/s 490ft/s 14.6G 2,423ft 11.6s 10s
OK AeroTech J540 234.5oz 83ft/s 468ft/s 9.3G 2,458ft 12.0s 10s
OK AMW K1720 243.9oz 141ft/s 545ft/s 28.0G 2,496ft 11.4s 11s
OK Cesaroni J355 237.7oz 64ft/s 428ft/s 5.6G 2,503ft 12.7s 9s
OK Loki J300 242.7oz 60ft/s 400ft/s 5.0G 2,510ft 13.1s 9s
OK Cesaroni J295 235.7oz 64ft/s 401ft/s 5.7G 2,538ft 12.9s 9s
OK AMW J475 248.9oz 72ft/s 455ft/s 7.5G 2,543ft 12.5s 9s
OK AMW J745 239.3oz 94ft/s 509ft/s 12.1G 2,557ft 12.0s 10s
OK Gorilla K222 252.6oz 60ft/s 339ft/s 5.0G 2,615ft 14.0s 7s
OK AeroTech J415 237.5oz 69ft/s 469ft/s 7.2G 2,720ft 12.9s 9s
OK Cesaroni J449 235.8oz 70ft/s 490ft/s 7.6G 2,729ft 12.8s 10s
OK Cesaroni K360 239.7oz 60ft/s 462ft/s 5.0G 2,737ft 13.3s 10s
OK AeroTech K456 248.6oz 67ft/s 483ft/s 6.5G 2,738ft 13.0s 10s
OK AeroTech J800 234.6oz 97ft/s 531ft/s 13.6G 2,738ft 12.3s 10s
OK Cesaroni J760 234.3oz 94ft/s 547ft/s 12.8G 2,766ft 12.3s 11s
OK AMW K665 257.5oz 79ft/s 527ft/s 10.6G 2,796ft 12.6s 11s
OK AeroTech K400 238.4oz 72ft/s 474ft/s 7.1G 2,822ft 13.1s 10s
OK AeroTech K185 246.9oz 52ft/s 365ft/s 3.9G 2,873ft 14.6s 7s
OK Gorilla K520 247.1oz 72ft/s 523ft/s 7.7G 2,903ft 13.1s 11s
OK Cesaroni K454 245.3oz 69ft/s 502ft/s 7.0G 2,910ft 13.2s 10s
OK Gorilla K555 251.9oz 73ft/s 532ft/s 8.3G 2,923ft 13.1s 11s
OK Cesaroni K530 254.1oz 71ft/s 536ft/s 7.2G 2,978ft 13.3s 11s
OK Gorilla K533 256.8oz 70ft/s 527ft/s 8.9G 2,981ft 13.2s 11s
OK Gorilla K630 251.3oz 81ft/s 551ft/s 10.5G 2,982ft 13.0s 11s
OK AeroTech K2050 241.8oz 151ft/s 647ft/s 31.1G 2,999ft 12.2s 11s
OK AMW K535 251.3oz 76ft/s 532ft/s 8.1G 3,041ft 13.3s 11s
OK Cesaroni K2045 241.8oz 152ft/s 662ft/s 32.3G 3,041ft 12.3s 12s
OK KBA K700 249.3oz 87ft/s 584ft/s 12.0G 3,050ft 12.9s 11s
OK AeroTech K535 240.9oz 80ft/s 538ft/s 8.5G 3,102ft 13.3s 10s
OK AeroTech K513 254.4oz 74ft/s 549ft/s 8.2G 3,103ft 13.3s 11s
OK AMW K455 249.3oz 82ft/s 513ft/s 10.2G 3,168ft 13.5s 10s
OK AeroTech K695 248.7oz 88ft/s 587ft/s 12.2G 3,177ft 13.1s 11s
OK Contrail K321 268.3oz 61ft/s 451ft/s 8.7G 3,181ft 14.4s 10s
OK AMW K610 258.5oz 79ft/s 561ft/s 9.4G 3,197ft 13.4s 11s
OK AMW K935 249.5oz 104ft/s 641ft/s 14.6G 3,345ft 13.2s 12s
OK AMW K700 269.9oz 81ft/s 608ft/s 10.2G 3,400ft 13.7s 11s
OK Loki K690 280.9oz 77ft/s 611ft/s 9.6G 3,405ft 13.7s 11s
OK AeroTech K1100 243.4oz 114ft/s 662ft/s 18.8G 3,411ft 13.1s 11s
OK Cesaroni K500 248.3oz 74ft/s 571ft/s 7.7G 3,428ft 14.0s 11s
OK Cesaroni K400 251.0oz 66ft/s 531ft/s 5.8G 3,437ft 14.5s 11s
OK Gorilla K327 260.3oz 73ft/s 462ft/s 8.5G 3,450ft 14.6s 9s
OK AeroTech K550 248.7oz 82ft/s 571ft/s 10.7G 3,456ft 13.8s 10s
OK AeroTech K540 241.2oz 87ft/s 587ft/s 11.8G 3,467ft 13.7s 10s
OK Contrail K555 268.2oz 89ft/s 553ft/s 17.5G 3,473ft 13.9s 11s
OK Cesaroni K940 244.5oz 102ft/s 678ft/s 15.3G 3,519ft 13.4s 12s
OK Contrail K265 260.3oz 64ft/s 439ft/s 5.5G 3,520ft 15.4s 9s
OK Cesaroni K515 254.6oz 76ft/s 580ft/s 8.6G 3,521ft 14.1s 11s
OK AMW K855 271.1oz 94ft/s 651ft/s 12.6G 3,536ft 13.7s 12s
OK Gorilla K700 256.8oz 85ft/s 637ft/s 10.2G 3,553ft 13.9s 12s
OK Cesaroni K445 245.6oz 80ft/s 557ft/s 8.8G 3,565ft 14.3s 10s
OK Loki K250 259.4oz 64ft/s 429ft/s 10.1G 3,606ft 15.9s 9s
OK Gorilla K763 259.5oz 87ft/s 659ft/s 11.2G 3,621ft 13.9s 12s
OK Cesaroni K630 246.0oz 85ft/s 638ft/s 10.6G 3,628ft 14.0s 11s
OK Cesaroni K650 266.5oz 76ft/s 643ft/s 8.7G 3,642ft 14.2s 12s
OK Cesaroni K520 251.9oz 75ft/s 603ft/s 7.8G 3,677ft 14.4s 11s
OK Gorilla K805 258.9oz 90ft/s 672ft/s 14.2G 3,706ft 13.9s 12s
OK AeroTech K805 250.7oz 91ft/s 672ft/s 11.8G 3,713ft 13.9s 12s
OK AMW K710 260.2oz 94ft/s 638ft/s 11.2G 3,744ft 14.1s 11s
OK AMW K670 262.8oz 88ft/s 648ft/s 10.4G 3,767ft 14.2s 12s
OK AeroTech K990 270.7oz 95ft/s 706ft/s 13.1G 3,825ft 14.0s 12s
OK AeroTech K1103 247.7oz 123ft/s 739ft/s 22.4G 3,831ft 13.7s 12s
OK AeroTech K850 268.3oz 96ft/s 711ft/s 13.4G 3,833ft 14.0s 12s
OK AMW K580 260.6oz 90ft/s 624ft/s 13.9G 3,896ft 14.4s 11s
OK Cesaroni K740 248.1oz 93ft/s 702ft/s 11.7G 3,971ft 14.2s 12s
OK AMW K1250 260.3oz 120ft/s 769ft/s 21.3G 4,013ft 13.9s 12s
OK Loki K960 257.9oz 118ft/s 744ft/s 20.4G 4,046ft 14.1s 12s
OK Cesaroni K635 258.6oz 86ft/s 689ft/s 9.7G 4,162ft 14.8s 12s
OK Cesaroni K675 264.7oz 84ft/s 691ft/s 11.3G 4,163ft 14.7s 12s
OK Loki K527 265.9oz 79ft/s 645ft/s 9.3G 4,170ft 15.2s 11s
OK Cesaroni K1200 253.8oz 114ft/s 809ft/s 18.4G 4,173ft 14.1s 12s
OK Cesaroni K650 256.6oz 90ft/s 696ft/s 16.3G 4,200ft 14.8s 11s
OK Gorilla K980 282.9oz 100ft/s 750ft/s 15.7G 4,222ft 14.5s 12s
OK Cesaroni K490 261.7oz 74ft/s 636ft/s 7.1G 4,222ft 15.4s 11s
OK AeroTech K828 274.7oz 100ft/s 750ft/s 16.1G 4,258ft 14.6s 12s
OK AeroTech K1275 266.3oz 125ft/s 804ft/s 20.2G 4,294ft 14.3s 12s
OK Cesaroni K261 264.4oz 53ft/s 494ft/s 3.9G 4,338ft 17.2s 8s
OK AeroTech K270 270.3oz 57ft/s 481ft/s 4.7G 4,375ft 17.2s 9s
OK Cesaroni K570 255.7oz 92ft/s 679ft/s 11.6G 4,381ft 15.1s 11s
OK Cesaroni K780 256.2oz 97ft/s 768ft/s 13.0G 4,405ft 14.8s 12s
OK AMW K1075 289.3oz 99ft/s 789ft/s 15.4G 4,426ft 14.8s 13s
OK Cesaroni K600 263.0oz 85ft/s 700ft/s 9.7G 4,432ft 15.3s 12s
OK AeroTech K700 268.1oz 98ft/s 738ft/s 13.3G 4,632ft 15.1s 12s
OK Cesaroni K815 273.8oz 91ft/s 794ft/s 14.8G 4,632ft 15.1s 12s
OK Cesaroni K750 268.8oz 91ft/s 773ft/s 11.8G 4,686ft 15.2s 12s
OK Cesaroni K1440 263.0oz 132ft/s 912ft/s 24.8G 4,697ft 14.6s 13s
OK Gorilla K1075 285.9oz 100ft/s 838ft/s 14.6G 4,712ft 15.1s 13s
OK KBA K1750 286.7oz 128ft/s 935ft/s 25.9G 4,719ft 14.7s 13s
OK AeroTech K480 269.6oz 88ft/s 692ft/s 11.2G 4,725ft 15.7s 11s
OK Loki K830 280.9oz 78ft/s 842ft/s 11.6G 4,736ft 15.5s 13s
OK AeroTech K375 270.6oz 111ft/s 598ft/s 16.8G 4,736ft 16.1s 10s
OK Cesaroni K711 273.8oz 94ft/s 757ft/s 18.9G 4,795ft 15.5s 12s
OK Cesaroni K820 266.2oz 100ft/s 803ft/s 21.3G 4,814ft 15.2s 12s
OK Gorilla K1185 285.9oz 103ft/s 884ft/s 16.4G 4,847ft 15.2s 13s
OK Cesaroni K260 268.5oz 60ft/s 528ft/s 4.8G 4,910ft 17.8s 9s
OK AMW K1130 287.1oz 109ft/s 866ft/s 18.4G 4,926ft 15.2s 13s
OK KBA K750 289.2oz 95ft/s 781ft/s 13.7G 4,951ft 15.6s 12s
OK AeroTech K1050 274.0oz 111ft/s 882ft/s 18.3G 4,956ft 15.2s 13s
OK Cesaroni K660 265.0oz 101ft/s 768ft/s 13.7G 4,977ft 15.6s 12s
OK Gorilla K470 278.3oz 91ft/s 653ft/s 12.6G 5,015ft 16.2s 11s
OK Cesaroni K590 266.6oz 117ft/s 699ft/s 23.5G 5,026ft 15.8s 12s
OK AMW L1276 300.7oz 111ft/s 911ft/s 16.3G 5,097ft 15.5s 13s
OK KBA L2300 289.0oz 152ft/s 1,032ft/s 35.3G 5,105ft 15.0s 14s
OK AMW L985 287.0oz 109ft/s 866ft/s 17.4G 5,177ft 15.6s 13s
OK AeroTech L1090 282.1oz 107ft/s 881ft/s 15.9G 5,206ft 15.6s 13s
OK AeroTech L1000 273.7oz 111ft/s 903ft/s 16.4G 5,242ft 15.5s 13s
OK Loki K350 285.9oz 86ft/s 585ft/s 14.4G 5,254ft 17.5s 11s
OK Loki L1400 285.9oz 120ft/s 987ft/s 20.8G 5,333ft 15.4s 13s
OK Cesaroni L990 275.1oz 111ft/s 908ft/s 20.3G 5,351ft 15.6s 13s
OK Cesaroni L1030 278.7oz 104ft/s 931ft/s 18.9G 5,354ft 15.7s 13s
OK Cesaroni K300 276.3oz 67ft/s 585ft/s 6.1G 5,381ft 18.1s 10s
OK AeroTech K250 274.3oz 56ft/s 561ft/s 4.7G 5,439ft 18.8s 9s
OK Cesaroni L730 275.5oz 103ft/s 829ft/s 14.9G 5,458ft 16.1s 12s
OK Cesaroni L805 284.5oz 97ft/s 857ft/s 17.7G 5,513ft 16.2s 12s
OK Cesaroni L640 275.4oz 114ft/s 758ft/s 18.7G 5,592ft 16.4s 11s
OK Cesaroni L265 283.8oz 58ft/s 547ft/s 4.9G 5,597ft 19.5s 9s
OK Cesaroni L935 285.9oz 107ft/s 934ft/s 18.4G 5,808ft 16.2s 13s
OK Loki L1040 300.7oz 103ft/s 1,063ft/s 14.9G 6,645ft 17.0s 13s
OK Loki L2050 339.3oz 142ft/s 1,329ft/s 33.2G 7,405ft 17.0s 15s
OK Loki M1378 349.0oz 133ft/s 1,266ft/s 23.0G 8,255ft 18.1s 14s
warningsD AMW K590 256.8oz 8:1 thrust/weight ratio (no data)
warningsD Gorilla K695 249.1oz 10:1 thrust/weight ratio (no data)
warningsD Gorilla K828 261.0oz 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 (32ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (35ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (33ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (44ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (37ft/s)
failedG Hypertek J115 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (35ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (48ft/s)
failedG Hypertek J120 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (48ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (46ft/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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