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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 128 motors that fit and appear to have enough thrust (625 motors didn't fit, 58 motors failed safety checks). 186 motor had thrust curves available and 377 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:   DarkStar3
Owner: KenRico
Body Diameter: 3.00in
Dry Weight: 8.00lb
MMT Diameter: 38.0mm
MMT Length: 100.00in
CD: 0.45

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 H303 9.30lb 76ft/s 115ft/s 17.8G 248ft 4.1s 3s
OK Contrail H211 9.32lb 71ft/s 131ft/s 14.2G 347ft 4.9s 4s
warningsW AeroTech H283 8.54lb 63ft/s 146ft/s 7.8G 378ft 5.1s 4s
OK AeroTech H130 8.52lb 53ft/s 130ft/s 5.8G 391ft 5.5s 4s
OK Contrail H246 9.32lb 69ft/s 145ft/s 11.8G 401ft 5.2s 4s
OK Contrail H141 9.35lb 51ft/s 141ft/s 5.4G 434ft 5.7s 4s
OK Loki H144 8.74lb 52ft/s 149ft/s 5.4G 483ft 6.0s 4s
OK AeroTech H669 8.56lb 97ft/s 177ft/s 28.1G 491ft 5.6s 5s
OK AeroTech H219 8.58lb 56ft/s 166ft/s 6.7G 504ft 6.0s 5s
OK Contrail H248 9.75lb 66ft/s 162ft/s 15.0G 505ft 5.9s 5s
OK AeroTech H242 8.58lb 51ft/s 166ft/s 5.2G 532ft 6.3s 5s
OK Loki H160 8.74lb 56ft/s 166ft/s 6.4G 565ft 6.4s 5s
OK Cesaroni H400 8.63lb 72ft/s 196ft/s 10.6G 621ft 6.5s 6s
OK Contrail H277 9.57lb 69ft/s 187ft/s 16.8G 654ft 6.7s 6s
OK Contrail H340 9.80lb 72ft/s 197ft/s 19.6G 688ft 6.8s 6s
OK Cesaroni H225 8.43lb 52ft/s 198ft/s 5.9G 693ft 7.1s 6s
OK Contrail I500 9.76lb 97ft/s 227ft/s 22.4G 851ft 7.4s 7s
OK AeroTech I218 8.82lb 56ft/s 216ft/s 6.3G 854ft 7.8s 6s
OK AeroTech I175 8.77lb 52ft/s 212ft/s 5.5G 888ft 8.2s 6s
OK AeroTech I180 8.85lb 64ft/s 209ft/s 8.2G 893ft 8.0s 6s
OK AeroTech H550 8.71lb 89ft/s 245ft/s 15.7G 925ft 7.7s 7s
OK Contrail I221 9.57lb 69ft/s 218ft/s 10.3G 933ft 8.1s 6s
OK AeroTech H550 8.70lb 90ft/s 246ft/s 15.8G 933ft 7.8s 7s
warningsW Cesaroni H565 8.80lb 87ft/s 249ft/s 15.8G 946ft 7.8s 7s
OK AeroTech H999 8.73lb 119ft/s 258ft/s 40.4G 982ft 7.8s 7s
OK AeroTech I225 9.07lb 49ft/s 237ft/s 6.0G 1,030ft 8.7s 7s
OK AeroTech I245 8.80lb 70ft/s 244ft/s 9.6G 1,062ft 8.5s 7s
OK AeroTech I357 8.76lb 65ft/s 250ft/s 8.7G 1,073ft 8.6s 7s
OK Cesaroni I195 8.92lb 49ft/s 259ft/s 5.0G 1,224ft 9.5s 8s
OK Cesaroni I566 8.85lb 83ft/s 287ft/s 15.3G 1,226ft 8.9s 8s
OK Contrail I290 9.95lb 63ft/s 265ft/s 10.3G 1,239ft 9.2s 8s
OK Contrail I400 10.04lb 85ft/s 281ft/s 18.9G 1,279ft 9.1s 8s
OK Contrail I250 9.60lb 67ft/s 269ft/s 12.4G 1,310ft 9.4s 8s
OK Cesaroni I345 8.87lb 64ft/s 292ft/s 8.9G 1,345ft 9.5s 8s
OK Contrail I747 9.85lb 136ft/s 303ft/s 42.3G 1,356ft 9.1s 9s
OK AeroTech I285 9.09lb 64ft/s 288ft/s 8.3G 1,371ft 9.7s 8s
OK Cesaroni I236 8.88lb 54ft/s 283ft/s 6.9G 1,384ft 9.9s 8s
OK Cesaroni I223 9.09lb 49ft/s 289ft/s 5.5G 1,448ft 10.2s 8s
OK AeroTech I211 9.00lb 57ft/s 282ft/s 7.0G 1,456ft 10.2s 8s
OK AeroTech I195 9.26lb 60ft/s 285ft/s 7.8G 1,489ft 10.2s 8s
OK Cesaroni I800 9.01lb 100ft/s 325ft/s 22.1G 1,494ft 9.7s 9s
OK AeroTech I305 9.28lb 66ft/s 303ft/s 9.0G 1,525ft 10.1s 9s
OK AeroTech I300 8.97lb 67ft/s 305ft/s 10.7G 1,538ft 10.2s 9s
OK Contrail I210 9.92lb 68ft/s 279ft/s 9.6G 1,555ft 10.5s 8s
OK AeroTech I1299 8.93lb 137ft/s 339ft/s 37.4G 1,585ft 9.8s 10s
OK Loki I316 9.19lb 76ft/s 327ft/s 11.3G 1,740ft 10.7s 9s
OK Cesaroni I287 9.33lb 56ft/s 333ft/s 7.6G 1,778ft 11.0s 9s
OK Loki I210 9.19lb 65ft/s 315ft/s 9.8G 1,801ft 11.1s 9s
OK Loki I405 9.20lb 91ft/s 357ft/s 18.6G 1,942ft 11.1s 10s
OK Cesaroni I285 9.12lb 59ft/s 349ft/s 7.7G 1,954ft 11.6s 10s
OK Contrail I333 10.05lb 74ft/s 346ft/s 18.5G 1,967ft 11.4s 10s
OK Cesaroni I255 9.14lb 58ft/s 347ft/s 6.8G 1,975ft 11.7s 10s
OK Loki I377 9.23lb 84ft/s 367ft/s 15.0G 2,079ft 11.5s 10s
OK Loki I430 9.19lb 74ft/s 379ft/s 12.0G 2,080ft 11.6s 10s
OK AMW I297 9.30lb 61ft/s 367ft/s 8.0G 2,122ft 11.9s 10s
OK AeroTech I327 9.38lb 67ft/s 372ft/s 9.3G 2,135ft 11.9s 10s
OK Cesaroni I242 9.21lb 53ft/s 363ft/s 6.0G 2,158ft 12.3s 10s
OK AeroTech I366 9.22lb 73ft/s 379ft/s 10.9G 2,161ft 11.8s 10s
OK AeroTech I364 9.49lb 65ft/s 375ft/s 9.1G 2,167ft 11.9s 10s
OK Cesaroni I303 9.10lb 62ft/s 372ft/s 9.2G 2,176ft 12.0s 10s
OK AeroTech I280 9.36lb 60ft/s 375ft/s 7.1G 2,212ft 12.3s 10s
OK Contrail I307 9.79lb 88ft/s 369ft/s 15.3G 2,222ft 11.9s 10s
OK Cesaroni I470 9.09lb 77ft/s 398ft/s 12.8G 2,240ft 11.9s 11s
OK KBA I301 9.60lb 62ft/s 386ft/s 8.5G 2,339ft 12.5s 11s
OK Cesaroni I350 9.72lb 64ft/s 402ft/s 8.4G 2,414ft 12.6s 11s
OK Contrail J150 9.96lb 50ft/s 342ft/s 5.0G 2,421ft 13.4s 9s
OK Contrail I727 10.05lb 128ft/s 419ft/s 36.1G 2,433ft 12.1s 11s
OK KBA I550 9.57lb 81ft/s 422ft/s 14.6G 2,448ft 12.4s 11s
OK AeroTech I435 9.14lb 90ft/s 414ft/s 17.6G 2,459ft 12.4s 11s
OK AeroTech I284 9.22lb 72ft/s 404ft/s 10.9G 2,492ft 12.7s 11s
OK Cesaroni I216 9.32lb 56ft/s 397ft/s 7.2G 2,687ft 13.6s 11s
OK RATT J160 9.20lb 51ft/s 350ft/s 5.4G 2,707ft 14.4s 9s
OK Contrail J246 9.90lb 72ft/s 396ft/s 10.9G 2,713ft 13.5s 11s
OK AeroTech I500 9.27lb 81ft/s 449ft/s 13.1G 2,773ft 13.1s 12s
OK Loki J396 9.66lb 66ft/s 445ft/s 12.0G 2,800ft 13.3s 12s
OK Cesaroni J270 9.44lb 56ft/s 428ft/s 6.3G 2,810ft 13.8s 11s
OK KBA J520 9.59lb 77ft/s 456ft/s 15.7G 2,815ft 13.3s 12s
OK Cesaroni J335 9.38lb 66ft/s 441ft/s 8.8G 2,840ft 13.6s 12s
OK Cesaroni J285 9.31lb 63ft/s 433ft/s 8.0G 2,848ft 13.7s 11s
warningsW Cesaroni I540 9.32lb 84ft/s 464ft/s 14.4G 2,862ft 13.3s 12s
OK Cesaroni J316 9.34lb 67ft/s 437ft/s 9.5G 2,869ft 13.7s 12s
OK AeroTech I350 9.36lb 71ft/s 455ft/s 10.9G 2,871ft 13.5s 12s
OK AeroTech J420 9.43lb 77ft/s 454ft/s 12.3G 2,881ft 13.5s 12s
OK AeroTech I600 9.33lb 97ft/s 466ft/s 18.7G 2,894ft 13.3s 12s
OK Cesaroni J381 9.52lb 73ft/s 451ft/s 10.9G 2,903ft 13.6s 12s
OK AeroTech J340 9.27lb 73ft/s 450ft/s 13.6G 2,934ft 13.6s 11s
OK AeroTech J350 9.47lb 88ft/s 458ft/s 18.5G 2,949ft 13.5s 12s
OK Cesaroni J357 9.32lb 71ft/s 457ft/s 11.4G 2,959ft 13.7s 12s
OK KBA J740 9.60lb 98ft/s 486ft/s 22.2G 2,986ft 13.4s 13s
OK Contrail J333 10.35lb 90ft/s 425ft/s 16.4G 3,014ft 13.8s 11s
OK Cesaroni J290 9.45lb 63ft/s 452ft/s 8.3G 3,053ft 14.2s 12s
OK Contrail J242 10.35lb 65ft/s 415ft/s 8.7G 3,070ft 14.3s 11s
OK AeroTech J520 9.67lb 98ft/s 471ft/s 19.8G 3,073ft 13.7s 12s
OK AeroTech J425 9.39lb 67ft/s 480ft/s 10.2G 3,098ft 14.0s 12s
OK AeroTech J270 9.42lb 60ft/s 458ft/s 7.6G 3,181ft 14.5s 12s
OK Cesaroni J400 9.55lb 71ft/s 481ft/s 10.5G 3,186ft 14.2s 12s
OK Loki J474 9.67lb 99ft/s 480ft/s 26.8G 3,235ft 14.0s 12s
OK Loki J326 9.69lb 84ft/s 473ft/s 21.6G 3,392ft 14.6s 12s
OK Contrail J555 10.50lb 114ft/s 494ft/s 27.7G 3,414ft 14.4s 13s
OK AeroTech J500 9.44lb 89ft/s 513ft/s 17.8G 3,431ft 14.4s 13s
OK Loki J528 9.64lb 96ft/s 527ft/s 22.8G 3,524ft 14.5s 13s
OK Cesaroni J330 9.55lb 71ft/s 507ft/s 9.8G 3,618ft 15.1s 13s
OK Cesaroni J410 9.62lb 75ft/s 528ft/s 10.9G 3,694ft 15.1s 13s
OK AeroTech J575 10.02lb 97ft/s 547ft/s 18.9G 3,755ft 14.9s 14s
OK AeroTech J435 9.38lb 86ft/s 541ft/s 15.5G 3,786ft 15.2s 13s
OK Cesaroni J425 9.54lb 81ft/s 535ft/s 14.8G 3,787ft 15.2s 13s
OK Loki J712 9.66lb 95ft/s 570ft/s 19.5G 3,902ft 15.1s 14s
OK Cesaroni J354 9.72lb 70ft/s 535ft/s 11.0G 3,935ft 15.7s 13s
OK Cesaroni J520 9.87lb 81ft/s 578ft/s 13.9G 4,128ft 15.8s 14s
OK Contrail J222 10.30lb 63ft/s 487ft/s 10.8G 4,171ft 16.8s 13s
OK Contrail J345 10.46lb 82ft/s 534ft/s 17.7G 4,245ft 16.2s 14s
OK Contrail J800 10.53lb 138ft/s 585ft/s 37.8G 4,288ft 15.7s 15s
OK Cesaroni J580 10.30lb 80ft/s 597ft/s 14.9G 4,297ft 16.0s 14s
OK Cesaroni J150 10.10lb 49ft/s 459ft/s 6.2G 4,346ft 18.0s 12s
OK Loki J650 10.52lb 88ft/s 621ft/s 19.7G 4,555ft 16.3s 15s
OK Cesaroni J394 10.07lb 67ft/s 628ft/s 10.2G 4,881ft 17.3s 15s
OK AeroTech J825 9.93lb 111ft/s 683ft/s 25.6G 4,958ft 16.7s 16s
OK Cesaroni J595 9.91lb 91ft/s 671ft/s 19.6G 5,095ft 17.1s 15s
OK Cesaroni J600 10.00lb 90ft/s 680ft/s 15.8G 5,144ft 17.2s 16s
OK Cesaroni J420 9.93lb 84ft/s 644ft/s 16.7G 5,168ft 17.4s 15s
OK Cesaroni J453 10.13lb 80ft/s 654ft/s 15.1G 5,175ft 17.5s 15s
OK AeroTech J570 9.99lb 108ft/s 670ft/s 24.9G 5,325ft 17.4s 15s
OK Cesaroni J530 10.15lb 94ft/s 724ft/s 16.8G 5,837ft 18.2s 16s
OK AeroTech J510 10.38lb 97ft/s 740ft/s 21.5G 6,115ft 18.5s 16s
OK Loki J1000 10.52lb 125ft/s 811ft/s 28.9G 6,345ft 18.5s 17s
OK Loki J1026 10.58lb 111ft/s 846ft/s 25.4G 6,643ft 18.9s 18s
OK Loki K1127 10.58lb 118ft/s 847ft/s 29.7G 6,729ft 19.0s 18s
OK Loki K627 10.72lb 100ft/s 923ft/s 19.8G 8,116ft 20.8s 18s

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 Contrail G130 speed at end of launch guide too slow (43ft/s)
failedA AeroTech G339 rocket doesn't reach a safe altitude (127ft)
failedG AeroTech G67 speed at end of launch guide too slow (26ft/s)
failedG Loki G69 speed at end of launch guide too slow (27ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (24ft/s)
failedA Contrail G234 rocket doesn't reach a safe altitude (118ft)
failedG Loki G70 speed at end of launch guide too slow (29ft/s)
failedG Loki G94 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (23ft/s)
failedG Loki G80 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (16ft/s)
failedG Cesaroni G185 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (25ft/s)
failedG Loki G66 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (25ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (18ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (26ft/s)
failedG Contrail G123 speed at end of launch guide too slow (43ft/s)
failedG Contrail G100 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (16ft/s)
failedA Contrail G300 rocket doesn't reach a safe altitude (89ft)
failedA Contrail H222 rocket doesn't reach a safe altitude (214ft)
failedA Contrail H300 rocket doesn't reach a safe altitude (217ft)
failedG AeroTech H73 speed at end of launch guide too slow (24ft/s)
failedG Loki H100 speed at end of launch guide too slow (36ft/s)
failedG AeroTech H148 speed at end of launch guide too slow (45ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (37ft/s)
failedG Contrail H121 speed at end of launch guide too slow (43ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (35ft/s)
failedG Loki H90 speed at end of launch guide too slow (36ft/s)
failedG Loki H125 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (37ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni H152 speed at end of launch guide too slow (43ft/s)
failedG AeroTech H178 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (32ft/s)
failedG AeroTech H170 speed at end of launch guide too slow (44ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (25ft/s)
failedG AeroTech I161 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I140 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni I180 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni I212 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni I170 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (17ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (19ft/s)
failedG Cesaroni I175 speed at end of launch guide too slow (44ft/s)
failedG AeroTech I59 speed at end of launch guide too slow (39ft/s)
failedG Loki I110 speed at end of launch guide too slow (40ft/s)
failedG Contrail I155 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni I125 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J94 speed at end of launch guide too slow (35ft/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.)

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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