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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 150 motors that fit and appear to have enough thrust (648 motors didn't fit, 13 motors failed safety checks). 163 motor had thrust curves available and 334 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: 0.85

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 186m 6.1s 6s
OK Contrail G130 55.2oz 22m/s 58m/s 33.9G 191m 6.4s 6s
OK Contrail G234 56.2oz 34m/s 70m/s 34.0G 251m 7.2s 7s
OK Loki G69 45.5oz 16m/s 71m/s 6.7G 295m 8.2s 7s
OK AeroTech G67 44.1oz 15m/s 74m/s 6.5G 309m 8.5s 7s
OK Loki G70 45.5oz 16m/s 75m/s 7.0G 332m 8.7s 7s
OK Loki G80 46.0oz 17m/s 78m/s 7.8G 340m 8.7s 7s
OK Contrail G123 55.0oz 21m/s 80m/s 22.3G 349m 8.6s 7s
OK AeroTech G339 43.4oz 33m/s 89m/s 30.4G 353m 8.4s 8s
OK Contrail G100 55.0oz 20m/s 80m/s 10.9G 364m 8.9s 7s
OK Loki G94 45.5oz 18m/s 83m/s 9.5G 366m 8.9s 7s
OK Loki G66 45.8oz 17m/s 84m/s 8.1G 414m 9.7s 8s
OK Contrail H300 58.6oz 37m/s 93m/s 43.2G 414m 9.1s 9s
OK Cesaroni G185 43.6oz 22m/s 98m/s 16.3G 426m 9.3s 9s
OK Contrail H222 55.3oz 31m/s 94m/s 43.1G 431m 9.3s 9s
OK Contrail H303 57.8oz 41m/s 100m/s 47.6G 467m 9.6s 9s
OK Cesaroni G115 43.9oz 18m/s 102m/s 9.8G 487m 10.2s 9s
OK Contrail H211 58.2oz 34m/s 116m/s 38.0G 627m 11.2s 10s
OK Contrail H246 58.1oz 33m/s 126m/s 32.0G 704m 11.7s 11s
OK Contrail H121 58.6oz 21m/s 119m/s 15.3G 708m 12.2s 10s
OK Loki H100 48.8oz 17m/s 125m/s 10.2G 742m 12.4s 10s
OK Contrail H141 58.6oz 24m/s 130m/s 15.3G 790m 12.6s 11s
warningsW AeroTech H283 45.7oz 29m/s 148m/s 25.7G 816m 12.4s 12s
OK AeroTech H148 47.9oz 21m/s 144m/s 13.7G 849m 13.0s 11s
OK AeroTech H130 45.4oz 26m/s 145m/s 19.6G 877m 13.0s 11s
OK Loki H90 48.8oz 18m/s 142m/s 9.8G 941m 13.9s 11s
OK AeroTech H669 45.9oz 46m/s 170m/s 85.9G 941m 13.0s 13s
OK AeroTech H123 46.7oz 18m/s 145m/s 10.5G 943m 13.8s 11s
OK AeroTech H100 46.2oz 17m/s 148m/s 9.3G 951m 13.9s 12s
OK Loki H144 48.9oz 25m/s 155m/s 17.3G 970m 13.6s 12s
OK Loki H125 49.1oz 21m/s 151m/s 14.1G 973m 13.9s 12s
OK Cesaroni H123 47.5oz 17m/s 157m/s 10.6G 975m 14.0s 12s
OK Cesaroni H143 49.2oz 17m/s 161m/s 11.4G 993m 14.0s 12s
OK AeroTech H219 46.2oz 26m/s 169m/s 21.9G 1,007m 13.7s 13s
OK Loki H160 48.8oz 27m/s 167m/s 20.3G 1,060m 14.1s 13s
OK AeroTech H242 46.3oz 24m/s 173m/s 17.6G 1,063m 14.1s 13s
OK AeroTech H112 50.4oz 15m/s 153m/s 7.0G 1,067m 15.0s 12s
OK Cesaroni H400 47.0oz 32m/s 191m/s 33.8G 1,120m 14.1s 14s
OK Cesaroni H120 47.4oz 18m/s 172m/s 10.3G 1,126m 14.8s 13s
OK Cesaroni H110 48.5oz 16m/s 170m/s 8.4G 1,143m 15.1s 12s
OK Cesaroni H125 47.3oz 17m/s 178m/s 10.8G 1,162m 15.0s 13s
OK Cesaroni H152 47.5oz 20m/s 187m/s 15.1G 1,226m 15.2s 13s
OK Cesaroni H100 48.5oz 17m/s 178m/s 7.8G 1,234m 15.7s 13s
OK AeroTech H178 48.4oz 19m/s 195m/s 15.6G 1,245m 15.2s 13s
OK Cesaroni H225 43.8oz 25m/s 210m/s 20.2G 1,279m 15.0s 14s
OK AeroTech I218 50.1oz 26m/s 210m/s 19.7G 1,378m 15.7s 14s
OK AeroTech H550 48.4oz 40m/s 229m/s 48.0G 1,394m 15.3s 15s
OK AeroTech I180 50.6oz 31m/s 201m/s 24.9G 1,398m 15.8s 14s
OK AeroTech H550 48.1oz 40m/s 233m/s 48.7G 1,401m 15.3s 15s
OK AeroTech H170 48.6oz 22m/s 209m/s 14.5G 1,404m 15.9s 14s
warningsW Cesaroni H565 49.8oz 38m/s 231m/s 48.7G 1,406m 15.4s 15s
OK AeroTech H999 48.7oz 53m/s 238m/s 118.0G 1,425m 15.4s 15s
OK AeroTech I161 49.9oz 22m/s 209m/s 15.0G 1,450m 16.2s 14s
OK AeroTech I175 49.3oz 24m/s 205m/s 17.4G 1,457m 16.4s 14s
OK Cesaroni I180 50.9oz 20m/s 218m/s 14.6G 1,472m 16.3s 14s
OK AeroTech I140 49.6oz 19m/s 209m/s 12.2G 1,499m 16.6s 14s
OK AeroTech I225 54.1oz 21m/s 222m/s 18.2G 1,511m 16.4s 15s
OK AeroTech I245 49.9oz 29m/s 229m/s 29.3G 1,535m 16.2s 15s
OK Cesaroni I212 53.8oz 21m/s 230m/s 17.0G 1,550m 16.7s 15s
OK AeroTech I357 49.1oz 31m/s 237m/s 26.9G 1,556m 16.2s 15s
OK AeroTech I154 54.4oz 18m/s 210m/s 10.2G 1,611m 17.5s 14s
OK Cesaroni I566 50.6oz 37m/s 264m/s 46.5G 1,640m 16.4s 16s
OK Cesaroni I195 51.7oz 22m/s 248m/s 15.7G 1,734m 17.4s 15s
OK AeroTech I285 54.4oz 27m/s 257m/s 24.4G 1,757m 17.2s 16s
OK Cesaroni I345 50.9oz 29m/s 270m/s 26.6G 1,762m 17.1s 16s
OK Cesaroni I175 52.4oz 21m/s 250m/s 12.7G 1,789m 17.7s 15s
OK Cesaroni I170 50.8oz 22m/s 254m/s 15.2G 1,792m 17.6s 15s
OK Cesaroni I800 53.1oz 44m/s 288m/s 65.4G 1,798m 16.9s 16s
OK AeroTech I305 57.5oz 29m/s 261m/s 25.6G 1,808m 17.3s 16s
OK Cesaroni I236 51.1oz 25m/s 266m/s 20.9G 1,828m 17.6s 16s
OK AeroTech I195 57.2oz 27m/s 250m/s 22.0G 1,833m 17.7s 15s
OK AeroTech I1299 51.9oz 57m/s 299m/s 108.8G 1,843m 17.0s 17s
OK AeroTech I211 53.0oz 25m/s 258m/s 20.9G 1,850m 17.7s 15s
OK Cesaroni I223 54.4oz 23m/s 266m/s 16.6G 1,857m 17.8s 16s
OK AeroTech I300 52.6oz 31m/s 275m/s 30.9G 1,877m 17.5s 16s
OK Loki I316 56.0oz 31m/s 279m/s 31.7G 1,971m 17.9s 16s
warningsW Loki I110 57.8oz 20m/s 237m/s 15.4G 2,004m 19.0s 15s
OK Cesaroni I287 58.3oz 25m/s 289m/s 21.6G 2,015m 18.3s 16s
OK Loki I210 56.0oz 29m/s 271m/s 27.4G 2,052m 18.4s 16s
OK Loki I405 56.2oz 41m/s 300m/s 50.6G 2,065m 18.0s 17s
OK Cesaroni I285 54.8oz 28m/s 308m/s 22.2G 2,156m 18.7s 17s
OK AeroTech I59 54.2oz 18m/s 178m/s 10.4G 2,165m 21.0s 12s
OK Loki I377 56.8oz 39m/s 307m/s 40.8G 2,167m 18.5s 17s
OK Cesaroni I255 55.2oz 24m/s 307m/s 19.9G 2,184m 18.8s 17s
OK AeroTech I327 59.2oz 29m/s 314m/s 25.3G 2,192m 18.7s 17s
OK Loki I430 56.0oz 32m/s 325m/s 33.2G 2,195m 18.6s 17s
OK AeroTech I364 60.9oz 28m/s 312m/s 24.9G 2,196m 18.7s 17s
OK AMW I297 57.8oz 26m/s 313m/s 22.3G 2,211m 18.8s 17s
OK AeroTech I366 56.6oz 32m/s 323m/s 30.3G 2,219m 18.6s 17s
OK Cesaroni I470 54.5oz 33m/s 345m/s 35.8G 2,266m 18.6s 18s
OK Cesaroni I303 54.6oz 28m/s 325m/s 26.2G 2,270m 18.9s 17s
OK AeroTech I280 58.7oz 26m/s 321m/s 19.7G 2,278m 19.1s 17s
OK Cesaroni I242 56.4oz 24m/s 317m/s 17.2G 2,295m 19.3s 17s
OK Cesaroni I350 64.6oz 27m/s 324m/s 22.4G 2,333m 19.4s 18s
OK Cesaroni I125 59.8oz 21m/s 262m/s 15.1G 2,335m 20.3s 16s
OK KBA I301 62.6oz 25m/s 311m/s 22.5G 2,335m 19.5s 18s
OK AeroTech I435 55.3oz 41m/s 349m/s 48.3G 2,349m 18.8s 17s
OK KBA I550 62.1oz 33m/s 339m/s 38.7G 2,351m 19.2s 18s
OK AeroTech I284 56.6oz 31m/s 339m/s 30.5G 2,388m 19.1s 17s
OK AeroTech I500 57.3oz 35m/s 374m/s 36.3G 2,507m 19.3s 18s
OK Loki J396 63.5oz 28m/s 355m/s 31.7G 2,534m 19.8s 18s
OK KBA J520 62.5oz 34m/s 364m/s 40.1G 2,535m 19.7s 18s
OK AeroTech I600 58.2oz 43m/s 383m/s 49.8G 2,536m 19.3s 18s
warningsW Cesaroni I540 58.1oz 36m/s 386m/s 39.8G 2,537m 19.4s 18s
OK AeroTech J350 60.5oz 40m/s 368m/s 48.1G 2,556m 19.5s 18s
OK Cesaroni J381 61.3oz 30m/s 365m/s 28.8G 2,561m 19.7s 18s
OK AeroTech J420 59.9oz 32m/s 370m/s 33.0G 2,568m 19.7s 18s
OK AeroTech J340 57.4oz 33m/s 372m/s 36.7G 2,568m 19.5s 17s
OK AeroTech I350 58.7oz 31m/s 378m/s 30.2G 2,573m 19.7s 18s
OK Cesaroni J335 59.1oz 29m/s 364m/s 24.4G 2,579m 19.8s 18s
OK Cesaroni I216 58.2oz 24m/s 331m/s 20.0G 2,584m 20.2s 17s
OK KBA J740 62.5oz 39m/s 385m/s 58.3G 2,594m 19.7s 19s
OK AeroTech J520 63.7oz 44m/s 364m/s 50.0G 2,606m 19.8s 18s
OK Cesaroni J270 60.1oz 23m/s 357m/s 17.8G 2,612m 20.2s 18s
OK Cesaroni J285 58.0oz 27m/s 359m/s 22.6G 2,618m 20.1s 18s
OK Cesaroni J357 58.2oz 31m/s 379m/s 30.8G 2,626m 19.8s 18s
OK Cesaroni J316 58.4oz 29m/s 357m/s 25.9G 2,646m 20.2s 18s
OK Cesaroni J94 60.3oz 17m/s 263m/s 8.7G 2,679m 22.3s 15s
OK AeroTech J425 59.3oz 27m/s 400m/s 28.2G 2,689m 20.0s 18s
OK Loki J474 63.7oz 45m/s 366m/s 66.8G 2,696m 20.1s 18s
OK Cesaroni J290 60.3oz 29m/s 368m/s 22.5G 2,697m 20.3s 18s
OK Cesaroni J400 61.8oz 31m/s 386m/s 28.3G 2,707m 20.1s 18s
OK AeroTech J270 59.6oz 27m/s 373m/s 20.9G 2,761m 20.4s 18s
OK AeroTech J500 60.1oz 40m/s 411m/s 46.6G 2,783m 20.0s 19s
OK AeroTech J575 69.2oz 41m/s 409m/s 46.9G 2,801m 20.1s 19s
OK Loki J528 63.3oz 43m/s 409m/s 57.1G 2,804m 20.2s 19s
OK Loki J326 64.0oz 37m/s 361m/s 53.8G 2,837m 20.7s 18s
OK Cesaroni J410 62.9oz 32m/s 415m/s 28.3G 2,929m 20.7s 19s
OK Cesaroni J330 61.8oz 30m/s 399m/s 25.9G 2,932m 20.8s 19s
OK Cesaroni J425 61.7oz 34m/s 421m/s 38.1G 2,938m 20.5s 19s
OK AeroTech J435 59.0oz 37m/s 433m/s 41.1G 2,950m 20.4s 19s
OK Loki J712 63.5oz 40m/s 443m/s 48.8G 2,979m 20.6s 19s
OK Cesaroni J354 64.4oz 31m/s 411m/s 28.1G 3,032m 21.0s 19s
OK Cesaroni J520 67.0oz 34m/s 440m/s 34.9G 3,041m 20.9s 19s
OK Cesaroni J580 73.8oz 34m/s 437m/s 36.4G 3,112m 21.3s 20s
OK Loki J650 77.3oz 33m/s 437m/s 46.6G 3,223m 21.7s 20s
OK AeroTech J825 67.9oz 43m/s 513m/s 61.5G 3,318m 21.2s 20s
OK Cesaroni J595 67.5oz 37m/s 496m/s 47.5G 3,397m 21.5s 20s
OK Cesaroni J394 70.1oz 27m/s 466m/s 24.5G 3,402m 22.0s 20s
OK Cesaroni J600 69.0oz 38m/s 505m/s 39.1G 3,403m 21.5s 20s
OK Cesaroni J453 71.0oz 35m/s 470m/s 35.9G 3,456m 21.9s 20s
OK AeroTech J570 68.8oz 42m/s 478m/s 59.4G 3,466m 21.6s 20s
OK Cesaroni J420 67.8oz 37m/s 465m/s 40.7G 3,493m 22.0s 19s
OK Cesaroni J150 70.5oz 20m/s 342m/s 15.6G 3,498m 23.8s 17s
OK Cesaroni J530 71.5oz 37m/s 511m/s 39.8G 3,677m 22.2s 20s
OK AeroTech J510 75.1oz 40m/s 508m/s 48.9G 3,745m 22.4s 20s
OK Loki J1000 77.3oz 48m/s 558m/s 65.9G 3,854m 22.6s 21s
OK Loki K1127 78.3oz 45m/s 577m/s 68.1G 3,959m 22.8s 21s
OK Loki J1026 78.3oz 44m/s 587m/s 58.9G 3,969m 22.9s 22s
OK Loki K627 80.6oz 39m/s 601m/s 43.3G 4,510m 24.0s 21s

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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