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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 110 motors that fit and appear to have enough thrust (639 motors didn't fit, 42 motors failed safety checks). 152 motor had thrust curves available and 318 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:   I WAS A SUMO ACT III
Owner: Jim Fields
Body Diameter: 4.00in
Dry Weight: 82.0oz
MMT Diameter: 38.0mm
MMT Length: 20.00in
CD: 0.30

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 101.2oz 81ft/s 119ft/s 18.3G 255ft 4.1s 4s
OK AeroTech G339 88.4oz 74ft/s 136ft/s 14.3G 297ft 4.4s 4s
OK Contrail G123 100.0oz 49ft/s 130ft/s 11.8G 340ft 5.0s 4s
OK Cesaroni G185 88.6oz 50ft/s 145ft/s 7.4G 354ft 5.0s 4s
OK Contrail H300 103.6oz 86ft/s 162ft/s 23.9G 450ft 5.4s 5s
OK Contrail H222 100.3oz 70ft/s 161ft/s 23.3G 452ft 5.4s 5s
OK Contrail H303 102.8oz 93ft/s 175ft/s 26.3G 510ft 5.7s 5s
OK Contrail H246 103.1oz 75ft/s 220ft/s 17.6G 802ft 7.2s 6s
warningsW AeroTech H283 90.7oz 68ft/s 231ft/s 12.3G 818ft 7.3s 7s
OK AeroTech H148 92.9oz 49ft/s 220ft/s 6.5G 845ft 7.7s 6s
OK AeroTech H130 90.4oz 58ft/s 217ft/s 9.3G 871ft 7.7s 6s
OK Contrail H141 103.6oz 54ft/s 221ft/s 8.2G 892ft 7.8s 6s
OK AeroTech H669 90.9oz 105ft/s 273ft/s 42.8G 1,005ft 7.8s 7s
OK Loki H125 94.1oz 50ft/s 232ft/s 6.8G 1,017ft 8.5s 6s
OK Loki H144 93.9oz 57ft/s 242ft/s 8.5G 1,031ft 8.3s 7s
OK AeroTech H219 91.2oz 61ft/s 266ft/s 10.6G 1,074ft 8.4s 7s
OK AeroTech H242 91.3oz 56ft/s 268ft/s 8.4G 1,131ft 8.7s 7s
OK Loki H160 93.8oz 62ft/s 265ft/s 10.1G 1,167ft 8.7s 7s
OK Cesaroni H400 92.0oz 76ft/s 305ft/s 16.5G 1,249ft 8.8s 8s
OK Cesaroni H225 88.8oz 59ft/s 318ft/s 9.4G 1,425ft 9.6s 8s
OK AeroTech H170 93.6oz 50ft/s 328ft/s 6.9G 1,653ft 10.5s 8s
OK AeroTech I218 95.1oz 61ft/s 339ft/s 9.8G 1,655ft 10.3s 9s
OK AeroTech I180 95.6oz 71ft/s 327ft/s 12.6G 1,708ft 10.5s 9s
OK AeroTech H550 93.4oz 93ft/s 374ft/s 24.1G 1,715ft 10.1s 10s
OK AeroTech H550 93.1oz 93ft/s 377ft/s 24.2G 1,730ft 10.1s 10s
OK AeroTech I161 94.9oz 52ft/s 332ft/s 7.3G 1,742ft 10.8s 9s
warningsW Cesaroni H565 94.8oz 92ft/s 380ft/s 24.1G 1,744ft 10.2s 10s
OK AeroTech H999 93.7oz 128ft/s 392ft/s 60.7G 1,783ft 10.1s 10s
OK AeroTech I225 99.1oz 51ft/s 367ft/s 9.2G 1,917ft 11.1s 9s
OK AeroTech I245 94.9oz 70ft/s 376ft/s 14.8G 1,948ft 10.9s 9s
OK Cesaroni I212 98.8oz 50ft/s 377ft/s 8.5G 1,954ft 11.3s 10s
OK AeroTech I357 94.1oz 70ft/s 386ft/s 13.5G 1,971ft 11.0s 10s
OK Cesaroni I566 95.6oz 87ft/s 437ft/s 23.1G 2,149ft 11.1s 11s
OK Cesaroni I195 96.7oz 53ft/s 404ft/s 7.8G 2,241ft 12.0s 10s
OK Cesaroni I175 97.4oz 49ft/s 406ft/s 6.3G 2,332ft 12.4s 10s
OK Cesaroni I170 95.8oz 51ft/s 413ft/s 7.5G 2,336ft 12.3s 10s
OK Cesaroni I345 95.9oz 70ft/s 446ft/s 13.6G 2,344ft 11.8s 11s
OK AeroTech I285 99.4oz 66ft/s 436ft/s 12.7G 2,369ft 12.0s 10s
OK Cesaroni I236 96.1oz 58ft/s 436ft/s 10.6G 2,438ft 12.3s 10s
OK Cesaroni I800 98.1oz 105ft/s 488ft/s 33.0G 2,477ft 11.8s 11s
OK Cesaroni I223 99.4oz 52ft/s 443ft/s 8.4G 2,519ft 12.5s 11s
OK AeroTech I211 98.0oz 61ft/s 430ft/s 10.8G 2,521ft 12.5s 10s
OK AeroTech I195 102.2oz 64ft/s 430ft/s 11.8G 2,537ft 12.5s 10s
OK AeroTech I305 102.5oz 70ft/s 452ft/s 13.6G 2,540ft 12.3s 11s
OK AeroTech I1299 96.9oz 139ft/s 508ft/s 56.0G 2,575ft 11.9s 12s
OK AeroTech I300 97.6oz 73ft/s 462ft/s 16.2G 2,592ft 12.4s 11s
OK Loki I316 101.0oz 77ft/s 485ft/s 17.0G 2,811ft 12.7s 11s
OK Cesaroni I287 103.3oz 60ft/s 499ft/s 11.3G 2,889ft 13.1s 11s
OK Loki I210 101.0oz 70ft/s 469ft/s 14.8G 2,930ft 13.2s 11s
OK Loki I405 101.2oz 97ft/s 526ft/s 27.6G 3,025ft 13.0s 12s
OK Cesaroni I285 99.8oz 64ft/s 523ft/s 11.7G 3,124ft 13.6s 12s
OK Cesaroni I255 100.2oz 60ft/s 522ft/s 10.4G 3,164ft 13.7s 12s
OK Loki I377 101.8oz 88ft/s 540ft/s 22.3G 3,203ft 13.4s 12s
OK Loki I430 101.0oz 76ft/s 563ft/s 17.9G 3,221ft 13.5s 12s
OK AeroTech I327 104.2oz 72ft/s 550ft/s 13.9G 3,280ft 13.7s 12s
OK AMW I297 102.8oz 64ft/s 545ft/s 12.1G 3,289ft 13.8s 12s
OK AeroTech I364 105.9oz 70ft/s 551ft/s 13.5G 3,309ft 13.8s 12s
OK AeroTech I366 101.6oz 78ft/s 560ft/s 16.3G 3,311ft 13.7s 12s
OK Cesaroni I125 104.8oz 50ft/s 449ft/s 8.2G 3,364ft 15.0s 10s
OK Cesaroni I303 99.6oz 68ft/s 555ft/s 13.9G 3,368ft 13.9s 12s
OK Cesaroni I470 99.5oz 81ft/s 592ft/s 19.1G 3,390ft 13.7s 13s
OK Cesaroni I242 101.4oz 57ft/s 543ft/s 9.1G 3,390ft 14.3s 12s
OK AeroTech I280 103.7oz 64ft/s 557ft/s 10.7G 3,409ft 14.1s 12s
OK Cesaroni I350 109.6oz 68ft/s 586ft/s 12.2G 3,579ft 14.3s 13s
OK KBA I301 107.6oz 63ft/s 597ft/s 12.8G 3,589ft 14.2s 12s
OK AeroTech I435 100.3oz 96ft/s 609ft/s 26.1G 3,606ft 14.0s 13s
OK KBA I550 107.1oz 85ft/s 660ft/s 23.3G 3,658ft 13.9s 13s
OK AeroTech I284 101.6oz 77ft/s 593ft/s 16.4G 3,677ft 14.3s 12s
OK AeroTech I500 102.3oz 85ft/s 657ft/s 19.3G 3,936ft 14.5s 13s
OK Loki J396 108.5oz 68ft/s 643ft/s 17.5G 3,977ft 14.8s 13s
OK Cesaroni I216 103.2oz 61ft/s 580ft/s 10.8G 3,980ft 15.2s 12s
warningsW Cesaroni I540 103.1oz 92ft/s 680ft/s 21.4G 4,013ft 14.6s 13s
OK AeroTech I600 103.2oz 103ft/s 678ft/s 27.6G 4,031ft 14.6s 13s
OK Cesaroni J335 104.1oz 69ft/s 643ft/s 13.2G 4,054ft 15.0s 13s
OK AeroTech J420 104.9oz 80ft/s 660ft/s 18.2G 4,057ft 14.8s 13s
OK AeroTech I350 103.7oz 74ft/s 664ft/s 16.2G 4,061ft 14.9s 13s
OK Cesaroni J381 106.3oz 75ft/s 654ft/s 16.1G 4,078ft 14.9s 13s
OK Cesaroni J270 105.1oz 59ft/s 627ft/s 9.5G 4,080ft 15.3s 13s
OK Cesaroni J285 103.0oz 66ft/s 631ft/s 12.0G 4,094ft 15.2s 13s
OK AeroTech J350 105.5oz 95ft/s 661ft/s 27.1G 4,095ft 14.8s 13s
OK KBA J740 107.5oz 103ft/s 702ft/s 31.9G 4,109ft 14.6s 14s
OK Cesaroni J316 103.4oz 68ft/s 635ft/s 14.2G 4,115ft 15.1s 13s
OK AeroTech J340 102.4oz 79ft/s 655ft/s 20.1G 4,115ft 14.9s 13s
OK Cesaroni J357 103.2oz 74ft/s 667ft/s 16.9G 4,164ft 15.1s 13s
OK AeroTech J425 104.3oz 70ft/s 703ft/s 15.0G 4,296ft 15.2s 14s
OK Cesaroni J290 105.3oz 66ft/s 654ft/s 12.4G 4,297ft 15.5s 13s
OK Cesaroni J400 106.8oz 75ft/s 694ft/s 15.4G 4,364ft 15.3s 14s
OK AeroTech J520 109.2oz 112ft/s 704ft/s 32.9G 4,407ft 15.2s 14s
OK AeroTech J270 104.6oz 66ft/s 661ft/s 11.3G 4,433ft 15.7s 13s
OK AeroTech J500 105.1oz 95ft/s 738ft/s 26.1G 4,561ft 15.3s 14s
OK Loki J528 108.3oz 98ft/s 752ft/s 32.9G 4,617ft 15.3s 14s
OK AeroTech J575 114.2oz 101ft/s 770ft/s 27.0G 4,769ft 15.5s 14s
OK Cesaroni J330 106.8oz 73ft/s 722ft/s 14.5G 4,811ft 16.1s 14s
OK Cesaroni J410 107.9oz 79ft/s 753ft/s 16.0G 4,846ft 16.0s 14s
OK Cesaroni J425 106.7oz 85ft/s 763ft/s 21.6G 4,910ft 15.9s 14s
OK AeroTech J435 104.0oz 87ft/s 775ft/s 22.8G 4,911ft 15.9s 14s
OK Loki J712 108.5oz 101ft/s 813ft/s 28.2G 4,970ft 15.8s 15s
OK Loki J320 108.5oz 73ft/s 737ft/s 16.6G 5,048ft 16.4s 14s
OK Cesaroni J354 109.4oz 76ft/s 754ft/s 16.1G 5,088ft 16.4s 14s
OK Cesaroni J520 112.0oz 83ft/s 816ft/s 20.0G 5,177ft 16.2s 14s
OK Cesaroni J580 118.8oz 84ft/s 833ft/s 20.6G 5,319ft 16.5s 15s
OK AeroTech J825 112.9oz 116ft/s 961ft/s 36.5G 5,818ft 16.6s 16s
OK Cesaroni J150 115.5oz 52ft/s 632ft/s 9.1G 5,827ft 18.9s 12s
OK Cesaroni J394 115.1oz 69ft/s 871ft/s 13.7G 5,911ft 17.4s 15s
OK Cesaroni J595 112.5oz 94ft/s 930ft/s 28.1G 5,980ft 17.0s 15s
OK Cesaroni J600 114.0oz 94ft/s 947ft/s 21.9G 6,013ft 17.1s 15s
OK Cesaroni J453 116.0oz 86ft/s 893ft/s 21.5G 6,099ft 17.4s 15s
OK Cesaroni J420 112.8oz 90ft/s 882ft/s 24.0G 6,119ft 17.4s 15s
OK AeroTech J570 113.8oz 114ft/s 912ft/s 35.4G 6,167ft 17.2s 15s
OK Cesaroni J530 116.5oz 97ft/s 980ft/s 23.9G 6,599ft 17.7s 16s

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 (182ft)
failedG AeroTech G67 speed at end of launch guide too slow (32ft/s)
failedG Loki G69 speed at end of launch guide too slow (33ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (29ft/s)
failedG Loki G70 speed at end of launch guide too slow (34ft/s)
failedG Loki G94 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (29ft/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 (23ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (28ft/s)
failedG Loki G66 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (30ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (29ft/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 (39ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (31ft/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 (21ft/s)
failedA Contrail G300 rocket doesn't reach a safe altitude (190ft)
failedG AeroTech H73 speed at end of launch guide too slow (28ft/s)
failedG Loki H100 speed at end of launch guide too slow (39ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (42ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (38ft/s)
failedG Loki H90 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (40ft/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 (36ft/s)
failedG Cesaroni H152 speed at end of launch guide too slow (46ft/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 (40ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (37ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (29ft/s)
failedG AeroTech I140 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni I180 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (42ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (21ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (24ft/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 (44ft/s)
failedG Cesaroni J94 speed at end of launch guide too slow (39ft/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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