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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 114 motors that fit and appear to have enough thrust (637 motors didn't fit, 40 motors failed safety checks). 154 motor had thrust curves available and 322 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:   120aimA1
Owner: mike armstrong
Body Diameter: 4.00in
Dry Weight: 78.0oz
MMT Diameter: 38.0mm
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 Contrail G234 97.2oz 85ft/s 124ft/s 19.1G 264ft 4.1s 4s
OK AeroTech G339 84.4oz 76ft/s 143ft/s 15.1G 307ft 4.5s 4s
OK Contrail G123 96.0oz 51ft/s 135ft/s 12.3G 352ft 5.0s 4s
OK Cesaroni G185 84.6oz 51ft/s 152ft/s 7.8G 364ft 5.0s 4s
OK Contrail H300 99.6oz 89ft/s 168ft/s 24.9G 452ft 5.3s 5s
OK Contrail H222 96.3oz 72ft/s 167ft/s 24.3G 455ft 5.4s 5s
OK Contrail H303 98.8oz 95ft/s 181ft/s 27.4G 507ft 5.6s 5s
OK Contrail H211 99.2oz 83ft/s 207ft/s 21.9G 683ft 6.6s 6s
OK Contrail H121 99.6oz 49ft/s 202ft/s 8.6G 751ft 7.3s 5s
OK Contrail H246 99.1oz 79ft/s 227ft/s 18.3G 768ft 6.9s 6s
warningsW AeroTech H283 86.7oz 68ft/s 240ft/s 12.9G 776ft 6.9s 6s
OK AeroTech H148 88.9oz 51ft/s 226ft/s 6.8G 808ft 7.4s 6s
OK AeroTech H130 86.4oz 61ft/s 221ft/s 9.8G 828ft 7.4s 6s
OK Contrail H141 99.6oz 57ft/s 226ft/s 8.6G 852ft 7.5s 6s
OK AeroTech H669 86.9oz 106ft/s 284ft/s 44.8G 922ft 7.3s 7s
OK Loki H125 90.1oz 50ft/s 236ft/s 7.2G 954ft 8.0s 6s
OK Loki H144 89.9oz 57ft/s 247ft/s 8.9G 960ft 7.9s 6s
OK AeroTech H219 87.2oz 64ft/s 273ft/s 11.1G 985ft 7.8s 7s
OK AeroTech H242 87.3oz 57ft/s 274ft/s 8.8G 1,035ft 8.1s 7s
OK Loki H160 89.8oz 62ft/s 269ft/s 10.6G 1,066ft 8.1s 7s
OK Cesaroni H400 88.0oz 76ft/s 316ft/s 17.1G 1,115ft 8.1s 7s
OK Cesaroni H152 88.5oz 49ft/s 293ft/s 7.6G 1,212ft 8.9s 7s
OK Cesaroni H225 84.8oz 59ft/s 326ft/s 9.9G 1,252ft 8.7s 7s
OK AeroTech I218 91.1oz 62ft/s 343ft/s 10.3G 1,429ft 9.3s 8s
OK AeroTech H170 89.6oz 50ft/s 330ft/s 7.2G 1,436ft 9.5s 7s
OK AeroTech H550 89.4oz 97ft/s 386ft/s 25.1G 1,448ft 8.9s 8s
OK AeroTech H550 89.1oz 97ft/s 389ft/s 25.3G 1,455ft 8.9s 8s
warningsW Cesaroni H565 90.8oz 92ft/s 392ft/s 24.4G 1,469ft 9.0s 8s
OK AeroTech I180 91.6oz 70ft/s 326ft/s 13.2G 1,473ft 9.4s 7s
OK AeroTech H999 89.7oz 129ft/s 407ft/s 63.5G 1,489ft 8.9s 9s
OK AeroTech I161 90.9oz 52ft/s 331ft/s 7.6G 1,504ft 9.7s 7s
OK Cesaroni I180 91.9oz 48ft/s 353ft/s 7.3G 1,531ft 9.8s 8s
OK AeroTech I225 95.1oz 54ft/s 369ft/s 9.5G 1,619ft 9.9s 8s
OK AeroTech I245 90.9oz 74ft/s 376ft/s 15.4G 1,628ft 9.6s 8s
OK AeroTech I357 90.1oz 72ft/s 390ft/s 14.1G 1,642ft 9.6s 8s
OK Cesaroni I212 94.8oz 52ft/s 380ft/s 8.6G 1,648ft 10.0s 8s
OK Cesaroni I566 91.6oz 87ft/s 449ft/s 23.3G 1,745ft 9.6s 9s
OK Cesaroni I195 92.7oz 53ft/s 401ft/s 8.2G 1,850ft 10.5s 9s
OK Cesaroni I345 91.9oz 73ft/s 451ft/s 14.3G 1,891ft 10.2s 9s
OK Cesaroni I170 91.8oz 51ft/s 410ft/s 7.8G 1,914ft 10.7s 8s
OK AeroTech I285 95.4oz 67ft/s 437ft/s 13.2G 1,919ft 10.4s 9s
OK Cesaroni I175 93.4oz 49ft/s 402ft/s 6.4G 1,921ft 10.8s 8s
OK Cesaroni I800 94.1oz 105ft/s 502ft/s 33.2G 1,954ft 10.0s 10s
OK Cesaroni I236 92.1oz 61ft/s 433ft/s 11.1G 1,969ft 10.6s 9s
OK AeroTech I1299 92.9oz 145ft/s 525ft/s 58.1G 2,006ft 10.0s 10s
OK AeroTech I305 98.5oz 69ft/s 450ft/s 14.0G 2,028ft 10.5s 9s
OK Cesaroni I223 95.4oz 55ft/s 440ft/s 8.6G 2,030ft 10.8s 9s
OK AeroTech I211 94.0oz 63ft/s 424ft/s 11.3G 2,031ft 10.8s 8s
OK AeroTech I195 98.2oz 65ft/s 422ft/s 12.3G 2,049ft 10.8s 9s
OK AeroTech I300 93.6oz 74ft/s 461ft/s 16.9G 2,060ft 10.6s 9s
OK Loki I316 97.0oz 80ft/s 480ft/s 17.6G 2,205ft 10.8s 9s
OK Cesaroni I287 99.3oz 61ft/s 496ft/s 11.4G 2,262ft 11.2s 9s
OK Loki I210 97.0oz 69ft/s 456ft/s 15.4G 2,305ft 11.2s 9s
OK Loki I405 97.2oz 101ft/s 522ft/s 28.8G 2,324ft 10.9s 10s
OK Cesaroni I285 95.8oz 63ft/s 515ft/s 12.2G 2,406ft 11.4s 10s
OK Cesaroni I255 96.2oz 63ft/s 510ft/s 10.8G 2,441ft 11.6s 10s
OK Loki I377 97.8oz 91ft/s 531ft/s 23.2G 2,447ft 11.2s 10s
OK Loki I430 97.0oz 79ft/s 564ft/s 18.7G 2,452ft 11.2s 10s
OK AeroTech I327 100.2oz 71ft/s 543ft/s 14.5G 2,500ft 11.4s 10s
OK AeroTech I366 97.6oz 80ft/s 552ft/s 17.0G 2,507ft 11.3s 10s
OK AMW I297 98.8oz 67ft/s 537ft/s 12.6G 2,511ft 11.5s 10s
OK AeroTech I364 101.9oz 69ft/s 541ft/s 13.7G 2,518ft 11.5s 10s
OK Cesaroni I470 95.5oz 85ft/s 592ft/s 20.0G 2,538ft 11.3s 10s
OK Cesaroni I303 95.6oz 67ft/s 544ft/s 14.5G 2,553ft 11.6s 10s
OK AeroTech I280 99.7oz 63ft/s 544ft/s 11.2G 2,591ft 11.8s 10s
OK Cesaroni I242 97.4oz 60ft/s 526ft/s 9.5G 2,593ft 11.9s 10s
OK KBA I550 103.1oz 82ft/s 661ft/s 23.3G 2,634ft 11.2s 10s
OK KBA I301 103.6oz 66ft/s 579ft/s 13.3G 2,645ft 11.6s 10s
OK Cesaroni I125 100.8oz 51ft/s 419ft/s 8.6G 2,666ft 12.9s 8s
OK AeroTech I435 96.3oz 98ft/s 602ft/s 27.2G 2,668ft 11.4s 10s
OK Cesaroni I350 105.6oz 69ft/s 576ft/s 12.7G 2,700ft 11.9s 10s
OK AeroTech I284 97.6oz 78ft/s 576ft/s 16.9G 2,735ft 11.7s 10s
OK AeroTech I500 98.3oz 82ft/s 650ft/s 20.1G 2,865ft 11.8s 10s
warningsW Cesaroni I540 99.1oz 88ft/s 675ft/s 22.0G 2,903ft 11.8s 11s
OK AeroTech I600 99.2oz 99ft/s 672ft/s 28.7G 2,913ft 11.7s 11s
OK Loki J396 104.5oz 71ft/s 631ft/s 17.7G 2,926ft 12.1s 11s
OK AeroTech I350 99.7oz 77ft/s 650ft/s 16.6G 2,956ft 12.1s 10s
OK AeroTech J420 100.9oz 81ft/s 644ft/s 18.9G 2,956ft 12.1s 10s
OK KBA J740 103.5oz 107ft/s 707ft/s 31.4G 2,968ft 11.8s 11s
OK AeroTech J350 101.5oz 95ft/s 646ft/s 28.2G 2,974ft 11.9s 10s
OK Cesaroni J335 100.1oz 72ft/s 624ft/s 13.8G 2,974ft 12.2s 10s
OK Cesaroni I216 99.2oz 60ft/s 553ft/s 11.3G 2,977ft 12.6s 10s
OK Cesaroni J381 102.3oz 78ft/s 637ft/s 16.8G 2,978ft 12.1s 10s
OK AeroTech J340 98.4oz 82ft/s 635ft/s 21.0G 2,993ft 12.1s 10s
OK Cesaroni J285 99.0oz 67ft/s 608ft/s 12.3G 3,009ft 12.4s 10s
OK Cesaroni J270 101.1oz 58ft/s 601ft/s 9.6G 3,017ft 12.6s 10s
OK Cesaroni J357 99.2oz 77ft/s 647ft/s 17.7G 3,026ft 12.2s 10s
OK Cesaroni J316 99.4oz 71ft/s 613ft/s 14.8G 3,031ft 12.4s 10s
OK AeroTech J425 100.3oz 73ft/s 688ft/s 15.1G 3,094ft 12.3s 11s
OK Cesaroni J290 101.3oz 69ft/s 624ft/s 12.9G 3,137ft 12.6s 10s
OK Cesaroni J400 102.8oz 76ft/s 673ft/s 15.7G 3,146ft 12.4s 11s
OK AeroTech J520 105.2oz 107ft/s 687ft/s 34.0G 3,160ft 12.2s 11s
OK AeroTech J270 100.6oz 65ft/s 627ft/s 11.8G 3,220ft 12.8s 10s
OK AeroTech J500 101.1oz 98ft/s 717ft/s 27.2G 3,233ft 12.2s 11s
OK Loki J528 104.3oz 102ft/s 740ft/s 34.2G 3,266ft 12.2s 11s
OK AeroTech J575 110.2oz 100ft/s 753ft/s 27.7G 3,346ft 12.3s 11s
OK Cesaroni J330 102.8oz 76ft/s 690ft/s 15.1G 3,432ft 12.9s 11s
OK Cesaroni J410 103.9oz 80ft/s 723ft/s 16.7G 3,433ft 12.8s 11s
OK AeroTech J435 100.0oz 91ft/s 747ft/s 23.8G 3,443ft 12.6s 11s
OK Cesaroni J425 102.7oz 88ft/s 735ft/s 22.5G 3,459ft 12.7s 11s
OK Loki J712 104.5oz 105ft/s 802ft/s 29.3G 3,465ft 12.5s 11s
OK Loki J320 104.5oz 76ft/s 698ft/s 17.2G 3,598ft 13.2s 11s
OK Cesaroni J354 105.4oz 79ft/s 708ft/s 16.8G 3,602ft 13.1s 11s
OK Cesaroni J520 108.0oz 86ft/s 790ft/s 20.8G 3,606ft 12.9s 11s
OK Cesaroni J580 114.8oz 87ft/s 807ft/s 20.0G 3,706ft 13.0s 11s
OK AeroTech J825 108.9oz 120ft/s 939ft/s 37.9G 3,919ft 12.9s 12s
OK Cesaroni J595 108.5oz 97ft/s 881ft/s 29.2G 4,051ft 13.2s 12s
OK Cesaroni J600 110.0oz 91ft/s 907ft/s 22.7G 4,067ft 13.3s 12s
OK Cesaroni J394 111.1oz 71ft/s 816ft/s 13.4G 4,084ft 13.8s 11s
OK Cesaroni J453 112.0oz 89ft/s 836ft/s 22.4G 4,174ft 13.6s 11s
OK AeroTech J570 109.8oz 118ft/s 855ft/s 36.8G 4,181ft 13.4s 11s
OK Cesaroni J420 108.8oz 93ft/s 828ft/s 24.9G 4,194ft 13.6s 11s
OK Cesaroni J150 111.5oz 54ft/s 559ft/s 9.5G 4,281ft 15.6s 9s
OK Cesaroni J530 112.5oz 100ft/s 919ft/s 24.8G 4,432ft 13.7s 12s

W Motor total weight unknown, lift-off Weight not accurate.

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
failedA Contrail G130 rocket doesn't reach a safe altitude (192ft)
failedG AeroTech G67 speed at end of launch guide too slow (32ft/s)
failedG Loki G69 speed at end of launch guide too slow (34ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (30ft/s)
failedG Loki G70 speed at end of launch guide too slow (35ft/s)
failedG Loki G94 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (30ft/s)
failedG Loki G80 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (29ft/s)
failedG Loki G66 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (31ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (32ft/s)
failedG Contrail G100 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (22ft/s)
failedA Contrail G300 rocket doesn't reach a safe altitude (199ft)
failedG AeroTech H73 speed at end of launch guide too slow (29ft/s)
failedG Loki H100 speed at end of launch guide too slow (40ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (43ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (39ft/s)
failedG Loki H90 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (42ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (37ft/s)
failedG AeroTech H178 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (38ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (30ft/s)
failedG AeroTech I140 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (43ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (22ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (25ft/s)
failedG AeroTech I59 speed at end of launch guide too slow (42ft/s)
failedG Loki I110 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni J94 speed at end of launch guide too slow (40ft/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.)

A The minimum altitude check is used to ensure that the rocket flies high enough to ensure time for a safe recovery. In addition, many barometric altimeters require a minimum altitude to detect lift-off. (The minimum altitude is 10m or 33ft for an A motor and doubles for each impulse class).

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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