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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 78 motors that fit and appear to have enough thrust (684 motors didn't fit, 29 motors failed safety checks). 107 motor had thrust curves available and 231 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:   Torrent
Owner: Kevin Cobb
Body Diameter: 4.00in
Dry Weight: 80.0oz
MMT Diameter: 38.0mm
MMT Length: 14.00in
CD: 0.75

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 G339 86.4oz 85ft/s 139ft/s 14.7G 288ft 4.3s 4s
OK Cesaroni G185 86.6oz 59ft/s 148ft/s 7.5G 339ft 4.8s 4s
warningsW AeroTech H283 88.7oz 78ft/s 233ft/s 12.6G 713ft 6.6s 6s
OK AeroTech H148 90.9oz 58ft/s 218ft/s 6.7G 743ft 7.1s 6s
OK AeroTech H130 88.4oz 68ft/s 213ft/s 9.6G 760ft 7.0s 5s
OK AeroTech H123 89.7oz 49ft/s 208ft/s 5.0G 809ft 7.6s 5s
OK AeroTech H669 88.9oz 122ft/s 277ft/s 43.8G 841ft 6.9s 7s
OK Loki H125 92.1oz 57ft/s 227ft/s 7.0G 875ft 7.7s 6s
OK Loki H144 91.9oz 66ft/s 237ft/s 8.7G 879ft 7.5s 6s
OK AeroTech H219 89.2oz 72ft/s 264ft/s 10.8G 899ft 7.4s 6s
OK AeroTech H242 89.3oz 65ft/s 265ft/s 8.6G 944ft 7.7s 6s
OK Loki H160 91.8oz 72ft/s 260ft/s 10.3G 973ft 7.7s 6s
OK Cesaroni H120 90.4oz 49ft/s 252ft/s 4.9G 988ft 8.3s 6s
OK Cesaroni H400 90.0oz 88ft/s 307ft/s 16.7G 1,012ft 7.6s 7s
OK Cesaroni H152 90.5oz 55ft/s 281ft/s 7.4G 1,102ft 8.5s 7s
OK AeroTech H178 91.4oz 54ft/s 298ft/s 7.4G 1,128ft 8.5s 7s
OK Cesaroni H225 86.8oz 69ft/s 314ft/s 9.7G 1,132ft 8.2s 7s
OK AeroTech I218 93.1oz 71ft/s 330ft/s 10.0G 1,291ft 8.8s 7s
OK AeroTech H170 91.6oz 57ft/s 317ft/s 7.0G 1,298ft 9.0s 7s
OK AeroTech H550 91.4oz 113ft/s 375ft/s 24.5G 1,302ft 8.4s 8s
OK AeroTech H550 91.1oz 113ft/s 378ft/s 24.7G 1,307ft 8.4s 8s
warningsW Cesaroni H565 92.8oz 106ft/s 381ft/s 23.5G 1,321ft 8.5s 8s
OK AeroTech I180 93.6oz 81ft/s 313ft/s 12.9G 1,331ft 8.8s 7s
OK AeroTech H999 91.7oz 148ft/s 396ft/s 62.1G 1,336ft 8.4s 8s
OK AeroTech I161 92.9oz 60ft/s 317ft/s 7.4G 1,358ft 9.2s 7s
OK Cesaroni I180 93.9oz 54ft/s 339ft/s 7.0G 1,381ft 9.3s 7s
OK AeroTech I140 92.6oz 53ft/s 309ft/s 6.0G 1,392ft 9.5s 7s
OK AeroTech I225 97.1oz 60ft/s 354ft/s 9.2G 1,458ft 9.3s 8s
OK AeroTech I245 92.9oz 86ft/s 361ft/s 15.0G 1,463ft 9.1s 8s
OK AeroTech I357 92.1oz 83ft/s 375ft/s 13.8G 1,473ft 9.1s 8s
OK Cesaroni I212 96.8oz 60ft/s 365ft/s 8.3G 1,483ft 9.5s 8s
OK AeroTech I154 97.4oz 49ft/s 314ft/s 5.2G 1,544ft 10.2s 7s
OK Cesaroni I566 93.6oz 103ft/s 436ft/s 22.7G 1,558ft 9.0s 8s
OK Cesaroni I195 94.7oz 62ft/s 384ft/s 8.0G 1,659ft 9.9s 8s
OK Cesaroni I345 93.9oz 80ft/s 435ft/s 13.9G 1,688ft 9.6s 8s
OK Cesaroni I170 93.8oz 59ft/s 392ft/s 7.6G 1,714ft 10.1s 8s
OK AeroTech I285 97.4oz 78ft/s 420ft/s 12.9G 1,716ft 9.7s 8s
OK Cesaroni I175 95.4oz 56ft/s 384ft/s 6.2G 1,722ft 10.2s 8s
OK Cesaroni I800 96.1oz 122ft/s 489ft/s 31.9G 1,737ft 9.4s 9s
OK Cesaroni I236 94.1oz 68ft/s 415ft/s 10.9G 1,759ft 10.0s 8s
OK AeroTech I1299 94.9oz 166ft/s 511ft/s 56.6G 1,778ft 9.3s 9s
OK AeroTech I305 100.5oz 80ft/s 433ft/s 13.6G 1,811ft 9.9s 8s
OK Cesaroni I223 97.4oz 61ft/s 422ft/s 8.4G 1,814ft 10.2s 8s
OK AeroTech I211 96.0oz 72ft/s 405ft/s 11.0G 1,816ft 10.1s 8s
OK AeroTech I195 100.2oz 75ft/s 403ft/s 12.0G 1,834ft 10.2s 8s
OK AeroTech I300 95.6oz 85ft/s 442ft/s 16.5G 1,837ft 9.9s 8s
OK Loki I316 99.0oz 95ft/s 460ft/s 17.2G 1,962ft 10.1s 9s
warningsW Loki I110 100.8oz 52ft/s 362ft/s 8.4G 2,005ft 11.2s 7s
OK Cesaroni I287 101.3oz 70ft/s 476ft/s 11.0G 2,013ft 10.5s 9s
OK Loki I210 99.0oz 80ft/s 436ft/s 15.1G 2,054ft 10.5s 8s
OK Loki I405 99.2oz 114ft/s 502ft/s 28.1G 2,060ft 10.1s 9s
OK AeroTech I59 97.2oz 49ft/s 238ft/s 5.2G 2,071ft 13.1s 5s
OK Cesaroni I285 97.8oz 75ft/s 492ft/s 12.0G 2,135ft 10.7s 9s
OK Cesaroni I255 98.2oz 72ft/s 487ft/s 10.6G 2,167ft 10.8s 9s
OK Loki I377 99.8oz 102ft/s 509ft/s 22.7G 2,168ft 10.4s 9s
OK Loki I430 99.0oz 93ft/s 543ft/s 18.3G 2,170ft 10.5s 9s
OK AeroTech I327 102.2oz 82ft/s 521ft/s 14.2G 2,216ft 10.7s 9s
OK AeroTech I366 99.6oz 92ft/s 529ft/s 16.6G 2,219ft 10.6s 9s
OK AMW I297 100.8oz 76ft/s 514ft/s 12.3G 2,226ft 10.8s 9s
OK AeroTech I364 103.9oz 79ft/s 518ft/s 13.3G 2,232ft 10.7s 9s
OK Cesaroni I470 97.5oz 95ft/s 570ft/s 19.6G 2,239ft 10.5s 9s
OK Cesaroni I303 97.6oz 77ft/s 521ft/s 14.2G 2,260ft 10.8s 9s
OK AeroTech I280 101.7oz 72ft/s 520ft/s 10.9G 2,296ft 11.0s 9s
OK Cesaroni I242 99.4oz 67ft/s 501ft/s 9.3G 2,300ft 11.2s 9s
OK AeroTech I435 98.3oz 111ft/s 578ft/s 26.7G 2,351ft 10.6s 9s
OK Cesaroni I350 107.6oz 77ft/s 553ft/s 12.4G 2,390ft 11.1s 9s
OK AeroTech I284 99.6oz 89ft/s 550ft/s 16.5G 2,415ft 11.0s 9s
OK AeroTech I500 100.3oz 99ft/s 625ft/s 19.7G 2,519ft 10.9s 10s
OK AeroTech I600 101.2oz 113ft/s 646ft/s 28.1G 2,557ft 10.9s 10s
OK AeroTech I350 101.7oz 85ft/s 621ft/s 16.2G 2,600ft 11.2s 10s
OK AeroTech J420 102.9oz 94ft/s 616ft/s 18.5G 2,601ft 11.2s 10s
OK AeroTech J350 103.5oz 111ft/s 618ft/s 27.6G 2,617ft 11.1s 10s
OK AeroTech J340 100.4oz 91ft/s 606ft/s 20.5G 2,635ft 11.2s 9s
OK Cesaroni J285 101.0oz 77ft/s 578ft/s 12.0G 2,654ft 11.6s 9s
OK Cesaroni J357 101.2oz 85ft/s 618ft/s 17.3G 2,663ft 11.4s 10s
OK AeroTech J425 102.3oz 80ft/s 658ft/s 14.6G 2,718ft 11.4s 10s
OK AeroTech J500 103.1oz 111ft/s 686ft/s 26.6G 2,833ft 11.3s 10s
OK AeroTech J270 102.6oz 74ft/s 595ft/s 11.5G 2,837ft 11.9s 9s

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
failedG AeroTech G67 speed at end of launch guide too slow (37ft/s)
failedG Loki G69 speed at end of launch guide too slow (38ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (34ft/s)
failedG Loki G70 speed at end of launch guide too slow (39ft/s)
failedG Loki G94 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (34ft/s)
failedG Loki G80 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (34ft/s)
failedG Loki G66 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (35ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (25ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (33ft/s)
failedG Loki H100 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (45ft/s)
failedG Loki H90 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (42ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (34ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (25ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (28ft/s)

G These simulations were run with a launch guide length of 8ft (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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