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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 147 motors that fit and appear to have enough thrust (637 motors didn't fit, 13 motors failed safety checks). 160 motor had thrust curves available and 332 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:   Blackhawk 38
Owner: William Koropsak
Body Diameter: 38.0mm
Dry Weight: 37.0oz
MMT Diameter: 38.0mm
MMT Length: 26.00in
CD: 0.69

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 G300 56.2oz 42m/s 61m/s 51.2G 188m 6.2s 6s
OK Contrail G130 55.2oz 22m/s 58m/s 33.9G 194m 6.5s 6s
OK Contrail G234 56.2oz 34m/s 70m/s 34.0G 256m 7.3s 7s
OK Loki G69 45.5oz 16m/s 71m/s 6.7G 301m 8.3s 7s
OK AeroTech G67 44.1oz 15m/s 74m/s 6.5G 316m 8.6s 7s
OK Loki G70 45.5oz 16m/s 76m/s 7.0G 340m 8.9s 7s
OK Loki G80 46.0oz 17m/s 78m/s 7.8G 349m 8.8s 7s
OK Contrail G123 55.0oz 21m/s 81m/s 22.3G 357m 8.8s 8s
OK AeroTech G339 43.4oz 33m/s 89m/s 30.4G 364m 8.6s 8s
OK Contrail G100 55.0oz 20m/s 81m/s 10.9G 372m 9.0s 8s
OK Loki G94 45.5oz 18m/s 83m/s 9.5G 376m 9.1s 8s
OK Contrail H300 58.6oz 37m/s 93m/s 43.2G 426m 9.3s 9s
OK Loki G66 45.8oz 17m/s 84m/s 8.1G 427m 9.9s 8s
OK Cesaroni G185 43.6oz 22m/s 98m/s 16.3G 441m 9.6s 9s
OK Contrail H222 55.3oz 31m/s 94m/s 43.1G 443m 9.5s 9s
OK Contrail H303 57.8oz 41m/s 100m/s 47.6G 482m 9.8s 9s
OK Cesaroni G115 43.9oz 18m/s 102m/s 9.8G 506m 10.4s 9s
OK Contrail H211 58.2oz 34m/s 117m/s 38.0G 652m 11.4s 10s
OK Contrail H246 58.1oz 33m/s 127m/s 32.0G 734m 12.0s 11s
OK Contrail H121 58.6oz 21m/s 120m/s 15.3G 737m 12.5s 11s
OK Loki H100 48.8oz 17m/s 126m/s 10.2G 779m 12.8s 11s
OK Contrail H141 58.6oz 24m/s 130m/s 15.3G 826m 13.0s 11s
warningsW AeroTech H283 45.7oz 29m/s 149m/s 25.7G 866m 12.9s 12s
OK AeroTech H148 47.9oz 21m/s 145m/s 13.7G 899m 13.4s 12s
OK AeroTech H130 45.4oz 26m/s 146m/s 19.6G 933m 13.5s 12s
OK Loki H90 48.8oz 18m/s 143m/s 9.8G 998m 14.5s 12s
OK AeroTech H123 46.7oz 18m/s 147m/s 10.5G 1,003m 14.3s 12s
OK AeroTech H669 45.9oz 46m/s 171m/s 85.9G 1,007m 13.6s 13s
OK AeroTech H100 46.2oz 17m/s 150m/s 9.3G 1,013m 14.4s 12s
OK Loki H144 48.9oz 25m/s 156m/s 17.3G 1,033m 14.2s 13s
OK Loki H125 49.1oz 21m/s 153m/s 14.1G 1,035m 14.4s 12s
OK Cesaroni H123 47.5oz 17m/s 159m/s 10.6G 1,039m 14.5s 13s
OK Cesaroni H143 49.2oz 17m/s 162m/s 11.5G 1,059m 14.6s 13s
OK AeroTech H219 46.2oz 26m/s 173m/s 21.9G 1,088m 14.3s 13s
OK Loki H160 48.8oz 27m/s 168m/s 20.3G 1,135m 14.7s 13s
OK AeroTech H112 50.4oz 15m/s 155m/s 7.1G 1,137m 15.6s 12s
OK AeroTech H242 46.3oz 24m/s 175m/s 17.6G 1,141m 14.7s 13s
OK Cesaroni H400 47.0oz 32m/s 192m/s 33.9G 1,208m 14.8s 14s
OK Cesaroni H120 47.4oz 18m/s 174m/s 10.3G 1,208m 15.5s 13s
OK Cesaroni H110 48.5oz 16m/s 172m/s 8.4G 1,226m 15.8s 13s
OK Cesaroni H125 47.3oz 17m/s 180m/s 10.9G 1,250m 15.7s 14s
OK Cesaroni H152 47.5oz 20m/s 189m/s 15.1G 1,324m 15.9s 14s
OK Cesaroni H100 48.5oz 17m/s 180m/s 7.8G 1,328m 16.5s 14s
OK AeroTech H178 48.4oz 19m/s 196m/s 15.7G 1,347m 16.0s 14s
OK Cesaroni H225 43.8oz 25m/s 211m/s 20.2G 1,394m 15.9s 15s
OK AeroTech I218 50.1oz 26m/s 212m/s 19.7G 1,497m 16.5s 15s
OK AeroTech I180 50.6oz 31m/s 204m/s 24.9G 1,518m 16.6s 15s
OK AeroTech H550 48.4oz 40m/s 230m/s 48.1G 1,522m 16.2s 16s
OK AeroTech H170 48.6oz 22m/s 212m/s 14.5G 1,527m 16.8s 15s
OK AeroTech H550 48.1oz 40m/s 234m/s 48.7G 1,533m 16.2s 16s
warningsW Cesaroni H565 49.8oz 38m/s 232m/s 49.1G 1,536m 16.3s 16s
OK AeroTech H999 48.7oz 53m/s 239m/s 118.0G 1,559m 16.3s 16s
OK AeroTech I161 49.9oz 22m/s 212m/s 15.0G 1,578m 17.1s 15s
OK Cesaroni I180 50.9oz 20m/s 221m/s 14.8G 1,603m 17.2s 15s
OK AeroTech I140 49.6oz 19m/s 213m/s 12.2G 1,632m 17.5s 15s
OK AeroTech I225 54.1oz 21m/s 224m/s 18.4G 1,647m 17.3s 16s
OK AeroTech I245 49.9oz 29m/s 232m/s 29.3G 1,681m 17.2s 16s
OK Cesaroni I212 53.8oz 21m/s 232m/s 17.1G 1,692m 17.6s 16s
OK AeroTech I357 49.1oz 31m/s 240m/s 26.9G 1,706m 17.2s 16s
OK AeroTech I154 54.4oz 18m/s 215m/s 10.2G 1,752m 18.4s 15s
OK Cesaroni I566 50.6oz 37m/s 265m/s 47.0G 1,806m 17.4s 17s
OK Cesaroni I195 51.7oz 22m/s 251m/s 15.7G 1,904m 18.4s 16s
OK AeroTech I285 54.4oz 27m/s 260m/s 24.4G 1,931m 18.3s 17s
OK Cesaroni I345 50.9oz 29m/s 272m/s 26.6G 1,944m 18.2s 17s
OK Cesaroni I175 52.4oz 21m/s 254m/s 12.8G 1,967m 18.8s 16s
OK Cesaroni I170 50.8oz 22m/s 257m/s 15.3G 1,972m 18.7s 16s
OK Cesaroni I800 53.1oz 44m/s 289m/s 66.0G 1,989m 18.1s 18s
OK AeroTech I305 57.5oz 29m/s 265m/s 25.8G 1,992m 18.4s 17s
OK AeroTech I195 57.2oz 27m/s 254m/s 22.0G 2,014m 18.8s 17s
OK Cesaroni I236 51.1oz 25m/s 270m/s 20.9G 2,018m 18.7s 17s
OK AeroTech I211 53.0oz 25m/s 262m/s 20.9G 2,040m 18.8s 16s
OK AeroTech I1299 51.9oz 57m/s 300m/s 109.1G 2,045m 18.1s 18s
OK Cesaroni I223 54.4oz 23m/s 269m/s 16.8G 2,047m 18.9s 17s
OK AeroTech I300 52.6oz 31m/s 278m/s 30.9G 2,075m 18.7s 17s
OK Loki I316 56.0oz 31m/s 283m/s 31.7G 2,178m 19.1s 18s
warningsW Loki I110 57.8oz 20m/s 243m/s 15.4G 2,197m 20.1s 16s
OK Cesaroni I287 58.3oz 25m/s 292m/s 21.8G 2,230m 19.5s 18s
OK Loki I210 56.0oz 29m/s 276m/s 27.4G 2,267m 19.6s 17s
OK Loki I405 56.2oz 41m/s 304m/s 50.6G 2,292m 19.3s 18s
OK AeroTech I59 54.2oz 18m/s 188m/s 10.4G 2,358m 22.1s 14s
OK Cesaroni I285 54.8oz 28m/s 313m/s 22.2G 2,399m 19.9s 18s
OK Loki I377 56.8oz 39m/s 312m/s 40.8G 2,408m 19.8s 18s
OK Cesaroni I255 55.2oz 24m/s 312m/s 20.0G 2,429m 20.1s 18s
OK AeroTech I327 59.2oz 29m/s 318m/s 25.3G 2,438m 20.0s 18s
OK AeroTech I364 60.9oz 28m/s 316m/s 25.1G 2,443m 20.0s 18s
OK Loki I430 56.0oz 32m/s 328m/s 33.2G 2,444m 19.9s 19s
OK AMW I297 57.8oz 26m/s 318m/s 22.3G 2,460m 20.1s 18s
OK AeroTech I366 56.6oz 32m/s 328m/s 30.3G 2,475m 20.0s 18s
OK KBA I301 62.6oz 26m/s 352m/s 24.0G 2,475m 19.5s 18s
OK KBA I550 62.1oz 33m/s 391m/s 47.2G 2,503m 19.2s 18s
OK Cesaroni I303 54.6oz 28m/s 330m/s 26.2G 2,534m 20.2s 18s
OK Cesaroni I470 54.5oz 33m/s 349m/s 35.8G 2,536m 20.0s 19s
OK AeroTech I280 58.7oz 26m/s 326m/s 19.7G 2,538m 20.4s 18s
OK Cesaroni I242 56.4oz 24m/s 323m/s 17.2G 2,556m 20.6s 18s
OK Cesaroni I125 59.8oz 21m/s 270m/s 15.1G 2,576m 21.6s 17s
OK Cesaroni I350 64.6oz 27m/s 328m/s 22.6G 2,594m 20.7s 19s
OK AeroTech I435 55.3oz 41m/s 354m/s 48.3G 2,632m 20.2s 19s
OK AeroTech I284 56.6oz 31m/s 345m/s 30.6G 2,673m 20.5s 19s
OK AeroTech I500 57.3oz 35m/s 379m/s 36.7G 2,818m 20.8s 19s
OK Loki J396 63.5oz 28m/s 360m/s 31.9G 2,833m 21.2s 20s
OK AeroTech I600 58.2oz 43m/s 387m/s 49.8G 2,854m 20.8s 20s
warningsW Cesaroni I540 58.1oz 36m/s 391m/s 40.1G 2,855m 20.8s 20s
OK AeroTech J350 60.5oz 40m/s 373m/s 48.1G 2,870m 21.0s 19s
OK Cesaroni J381 61.3oz 30m/s 371m/s 28.8G 2,872m 21.2s 19s
OK AeroTech J420 59.9oz 32m/s 376m/s 33.0G 2,882m 21.2s 20s
OK Cesaroni I216 58.2oz 24m/s 339m/s 20.0G 2,886m 21.6s 19s
OK AeroTech J340 57.4oz 33m/s 378m/s 36.7G 2,888m 21.0s 19s
OK Cesaroni J335 59.1oz 29m/s 370m/s 24.4G 2,892m 21.3s 19s
OK AeroTech I350 58.7oz 31m/s 384m/s 30.3G 2,892m 21.1s 20s
OK KBA J740 62.5oz 39m/s 388m/s 59.1G 2,910m 21.2s 20s
OK Cesaroni J270 60.1oz 23m/s 364m/s 17.9G 2,926m 21.7s 19s
OK Cesaroni J285 58.0oz 27m/s 366m/s 22.7G 2,937m 21.5s 19s
OK Cesaroni J357 58.2oz 31m/s 386m/s 30.8G 2,953m 21.3s 20s
OK Cesaroni J94 60.3oz 17m/s 274m/s 8.7G 2,958m 23.6s 17s
OK Cesaroni J316 58.4oz 29m/s 364m/s 25.9G 2,963m 21.7s 20s
OK Cesaroni J290 60.3oz 29m/s 377m/s 22.5G 3,027m 21.8s 19s
OK AeroTech J425 59.3oz 27m/s 407m/s 28.5G 3,030m 21.5s 20s
OK AeroTech J520 64.2oz 44m/s 385m/s 57.4G 3,034m 21.5s 20s
OK Cesaroni J400 61.8oz 31m/s 393m/s 28.6G 3,044m 21.6s 20s
OK AeroTech J270 59.6oz 27m/s 382m/s 21.2G 3,104m 22.0s 19s
OK AeroTech J500 60.1oz 40m/s 418m/s 46.6G 3,142m 21.6s 20s
OK AeroTech J575 69.2oz 41m/s 415m/s 47.1G 3,158m 21.7s 20s
OK Loki J528 63.3oz 43m/s 414m/s 57.1G 3,160m 21.7s 21s
OK Cesaroni J330 61.8oz 30m/s 408m/s 25.9G 3,304m 22.4s 20s
OK Cesaroni J410 62.9oz 32m/s 423m/s 28.3G 3,305m 22.3s 20s
OK Cesaroni J425 61.7oz 34m/s 429m/s 38.1G 3,320m 22.1s 20s
OK AeroTech J435 59.0oz 37m/s 441m/s 41.1G 3,340m 22.1s 20s
OK Loki J712 63.5oz 40m/s 448m/s 48.8G 3,370m 22.2s 21s
OK Cesaroni J354 64.4oz 31m/s 421m/s 28.1G 3,420m 22.6s 20s
OK Cesaroni J520 67.0oz 34m/s 447m/s 35.2G 3,439m 22.5s 21s
OK Loki J320 63.5oz 30m/s 411m/s 29.0G 3,442m 22.9s 20s
OK Cesaroni J580 73.8oz 34m/s 443m/s 37.1G 3,511m 23.0s 21s
OK Loki J650 77.3oz 33m/s 443m/s 47.4G 3,632m 23.3s 22s
OK AeroTech J825 67.9oz 43m/s 520m/s 61.5G 3,778m 22.9s 22s
OK Cesaroni J394 70.1oz 27m/s 477m/s 25.5G 3,852m 23.8s 21s
OK Cesaroni J595 67.5oz 37m/s 506m/s 47.5G 3,864m 23.3s 22s
OK Cesaroni J600 69.0oz 38m/s 514m/s 40.0G 3,872m 23.3s 22s
OK Cesaroni J150 70.5oz 20m/s 357m/s 15.6G 3,906m 25.5s 19s
OK Cesaroni J453 71.0oz 35m/s 482m/s 35.9G 3,918m 23.7s 21s
OK AeroTech J570 68.8oz 42m/s 490m/s 59.4G 3,938m 23.4s 21s
OK Cesaroni J420 67.8oz 37m/s 477m/s 40.7G 3,959m 23.8s 21s
OK Cesaroni J530 71.5oz 37m/s 524m/s 39.8G 4,185m 24.0s 22s
OK AeroTech J510 75.1oz 40m/s 520m/s 48.9G 4,256m 24.2s 22s
OK Loki J1000 77.3oz 48m/s 566m/s 66.7G 4,393m 24.6s 23s
OK Loki K1127 78.3oz 45m/s 586m/s 69.1G 4,520m 24.8s 23s
OK Loki J1026 78.3oz 44m/s 596m/s 59.6G 4,533m 24.8s 24s
OK Loki K627 80.6oz 39m/s 618m/s 43.3G 5,152m 26.1s 24s

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 G61 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G69 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G46 speed at end of launch guide too slow (12m/s)
failedG Cesaroni G79 speed at end of launch guide too slow (13m/s)
failedG Cesaroni G60 speed at end of launch guide too slow (14m/s)
failedG AeroTech G69 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G58 speed at end of launch guide too slow (12m/s)
failedG Cesaroni G78 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G50 speed at end of launch guide too slow (11m/s)
failedG AeroTech H73 speed at end of launch guide too slow (13m/s)
failedG AeroTech H45 speed at end of launch guide too slow (14m/s)
failedG AeroTech I49 speed at end of launch guide too slow (10m/s)
failedG Cesaroni I55 speed at end of launch guide too slow (11m/s)

G These simulations were run with a launch guide length of 2m (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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