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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 152 motors that fit and appear to have enough thrust (609 motors didn't fit, 30 motors failed safety checks). 179 motor had thrust curves available and 323 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:   Darkstar 4 DD 54mm 8ft rod
Owner: Kevin Dunn
Body Diameter: 4.00in
Dry Weight: 15.00lb
MMT Diameter: 54.0mm
MMT Length: 30.00in
CD: 0.60

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 I599 16.13lb 81ft/s 163ft/s 9.6G 443ft 5.5s 5s
OK Cesaroni I445 16.27lb 63ft/s 179ft/s 6.4G 565ft 6.4s 5s
OK Contrail J245 18.42lb 48ft/s 176ft/s 4.4G 720ft 7.7s 5s
OK Contrail J355 18.45lb 48ft/s 210ft/s 5.8G 843ft 8.0s 6s
OK Hypertek J250 17.85lb 52ft/s 193ft/s 4.1G 879ft 8.4s 5s
OK Contrail J292 18.40lb 59ft/s 209ft/s 5.7G 948ft 8.5s 6s
OK AeroTech J250 16.56lb 49ft/s 218ft/s 3.6G 1,049ft 9.1s 6s
OK Hypertek J190 17.85lb 50ft/s 202ft/s 3.8G 1,133ft 9.9s 5s
OK Hypertek J270 17.86lb 59ft/s 227ft/s 5.2G 1,163ft 9.4s 6s
OK AeroTech J315 16.88lb 52ft/s 245ft/s 4.1G 1,174ft 9.5s 7s
OK AeroTech J180 16.78lb 48ft/s 212ft/s 3.4G 1,213ft 10.1s 5s
OK Cesaroni J1055 16.70lb 98ft/s 301ft/s 14.3G 1,313ft 9.1s 8s
OK Gorilla J365 17.65lb 48ft/s 284ft/s 5.5G 1,403ft 10.3s 8s
OK Cesaroni J430 16.76lb 61ft/s 294ft/s 6.0G 1,449ft 10.2s 8s
OK Gorilla J167 17.68lb 48ft/s 213ft/s 3.7G 1,458ft 11.6s 6s
OK AeroTech J460 16.74lb 65ft/s 303ft/s 6.5G 1,546ft 10.4s 8s
OK AeroTech J1299 16.84lb 113ft/s 349ft/s 18.7G 1,664ft 10.1s 9s
OK AMW J400 18.05lb 52ft/s 319ft/s 5.2G 1,735ft 11.3s 9s
OK Loki J350 17.78lb 50ft/s 317ft/s 4.8G 1,739ft 11.3s 9s
OK AMW J1365 17.47lb 111ft/s 371ft/s 19.1G 1,847ft 10.6s 10s
OK Cesaroni J360 17.43lb 50ft/s 333ft/s 6.0G 1,910ft 11.9s 9s
OK AMW J475 18.11lb 61ft/s 352ft/s 6.8G 1,966ft 11.7s 10s
OK Gorilla J395 17.56lb 53ft/s 346ft/s 5.0G 1,973ft 12.0s 9s
OK Cesaroni J380 17.85lb 50ft/s 344ft/s 4.6G 1,975ft 12.1s 9s
OK Gorilla J465 17.61lb 58ft/s 361ft/s 7.6G 2,047ft 11.9s 10s
OK AeroTech J450 17.70lb 58ft/s 362ft/s 6.0G 2,076ft 12.1s 10s
OK AMW J395 17.80lb 58ft/s 351ft/s 5.0G 2,092ft 12.3s 10s
OK AMW J325 17.71lb 59ft/s 332ft/s 5.9G 2,108ft 12.4s 9s
OK Loki J175 17.76lb 49ft/s 279ft/s 4.3G 2,130ft 13.4s 7s
OK Gorilla J485 17.62lb 62ft/s 376ft/s 6.5G 2,169ft 12.2s 10s
OK Gorilla J450 18.21lb 57ft/s 371ft/s 6.6G 2,186ft 12.5s 10s
OK AMW J440 17.71lb 79ft/s 386ft/s 9.2G 2,317ft 12.3s 10s
OK Gorilla J535 17.70lb 71ft/s 394ft/s 7.6G 2,317ft 12.4s 10s
OK Loki J525 17.73lb 67ft/s 398ft/s 7.5G 2,326ft 12.4s 10s
OK AeroTech J401 17.01lb 59ft/s 381ft/s 5.3G 2,343ft 12.8s 10s
OK AeroTech J1799 17.45lb 131ft/s 436ft/s 26.5G 2,354ft 11.8s 11s
OK Cesaroni J1520 17.26lb 117ft/s 436ft/s 21.3G 2,364ft 11.9s 11s
OK Loki J300 17.90lb 51ft/s 354ft/s 4.1G 2,412ft 13.6s 9s
OK Gorilla K222 18.52lb 52ft/s 303ft/s 4.2G 2,446ft 14.3s 8s
OK Cesaroni J355 17.59lb 55ft/s 377ft/s 4.6G 2,451ft 13.4s 10s
OK Cesaroni J295 17.47lb 56ft/s 357ft/s 4.6G 2,458ft 13.5s 9s
OK AeroTech J540 17.39lb 73ft/s 408ft/s 7.7G 2,484ft 12.8s 11s
OK Loki J820 17.67lb 89ft/s 424ft/s 12.4G 2,488ft 12.4s 11s
OK AMW J475 18.29lb 63ft/s 399ft/s 6.2G 2,545ft 13.2s 10s
OK AMW K1720 17.98lb 124ft/s 465ft/s 23.8G 2,626ft 12.4s 12s
OK AMW J745 17.69lb 85ft/s 441ft/s 10.1G 2,641ft 12.9s 11s
OK Cesaroni K360 17.72lb 53ft/s 409ft/s 4.2G 2,751ft 14.1s 11s
OK AeroTech J415 17.58lb 60ft/s 415ft/s 6.1G 2,783ft 13.8s 10s
OK Cesaroni J449 17.47lb 61ft/s 431ft/s 6.2G 2,801ft 13.8s 11s
OK AeroTech K456 18.27lb 59ft/s 427ft/s 5.4G 2,805ft 13.9s 11s
OK AeroTech K400 17.63lb 63ft/s 422ft/s 5.9G 2,887ft 14.1s 11s
OK AeroTech J800 17.39lb 85ft/s 464ft/s 11.3G 2,905ft 13.5s 12s
OK Cesaroni J760 17.37lb 81ft/s 476ft/s 10.6G 2,943ft 13.5s 12s
OK AMW K665 18.83lb 71ft/s 464ft/s 9.1G 2,960ft 13.8s 12s
OK Cesaroni K454 18.07lb 60ft/s 448ft/s 5.8G 3,039ft 14.4s 11s
OK Gorilla K520 18.18lb 63ft/s 462ft/s 6.6G 3,050ft 14.3s 12s
OK Gorilla K555 18.48lb 64ft/s 470ft/s 7.0G 3,090ft 14.3s 12s
OK Cesaroni K530 18.62lb 60ft/s 476ft/s 6.4G 3,170ft 14.6s 12s
OK Gorilla K533 18.78lb 62ft/s 471ft/s 7.5G 3,175ft 14.5s 12s
OK Gorilla K630 18.44lb 72ft/s 487ft/s 9.0G 3,210ft 14.3s 12s
OK AMW K535 18.44lb 68ft/s 476ft/s 6.8G 3,243ft 14.6s 12s
OK KBA K700 18.31lb 79ft/s 514ft/s 10.5G 3,339ft 14.4s 13s
OK AeroTech K535 17.79lb 71ft/s 483ft/s 7.1G 3,353ft 14.8s 12s
OK AeroTech K513 18.63lb 66ft/s 492ft/s 7.1G 3,363ft 14.8s 12s
OK AeroTech K2050 17.85lb 133ft/s 555ft/s 26.4G 3,387ft 13.9s 13s
OK AMW K455 18.32lb 73ft/s 468ft/s 8.5G 3,400ft 14.9s 12s
OK Cesaroni K2045 17.84lb 134ft/s 567ft/s 27.4G 3,463ft 14.0s 13s
OK AMW K610 18.89lb 71ft/s 503ft/s 7.9G 3,485ft 14.9s 12s
OK AeroTech K695 18.28lb 78ft/s 523ft/s 10.3G 3,532ft 14.8s 13s
OK Gorilla K327 19.01lb 65ft/s 433ft/s 7.2G 3,676ft 16.0s 11s
OK Cesaroni K400 18.42lb 57ft/s 489ft/s 4.8G 3,718ft 16.1s 12s
OK Loki K250 18.95lb 56ft/s 404ft/s 8.5G 3,727ft 17.1s 10s
OK Cesaroni K500 18.25lb 65ft/s 521ft/s 6.4G 3,801ft 15.8s 13s
OK AMW K935 18.32lb 91ft/s 568ft/s 12.4G 3,810ft 15.0s 13s
OK Loki K690 20.29lb 69ft/s 550ft/s 8.4G 3,824ft 15.5s 13s
OK AMW K700 19.60lb 70ft/s 548ft/s 9.0G 3,831ft 15.5s 13s
OK AeroTech K550 18.28lb 72ft/s 524ft/s 9.1G 3,883ft 15.6s 12s
OK AeroTech K540 17.81lb 75ft/s 537ft/s 9.8G 3,927ft 15.6s 12s
OK Cesaroni K515 18.65lb 66ft/s 531ft/s 7.2G 3,935ft 16.0s 13s
OK AeroTech K1100 17.95lb 100ft/s 587ft/s 15.8G 3,956ft 15.2s 13s
OK Cesaroni K445 18.08lb 70ft/s 516ft/s 7.3G 3,969ft 16.1s 12s
OK Gorilla K700 18.78lb 74ft/s 574ft/s 8.6G 4,051ft 15.9s 14s
OK AMW K855 19.68lb 83ft/s 586ft/s 11.2G 4,082ft 15.7s 14s
OK Cesaroni K940 18.01lb 89ft/s 602ft/s 12.8G 4,103ft 15.5s 14s
OK Cesaroni K520 18.47lb 66ft/s 555ft/s 6.5G 4,169ft 16.4s 13s
OK Gorilla K763 18.95lb 76ft/s 593ft/s 9.5G 4,184ft 16.0s 14s
OK Cesaroni K650 19.39lb 68ft/s 584ft/s 7.8G 4,189ft 16.2s 14s
OK Cesaroni K630 18.11lb 76ft/s 580ft/s 8.8G 4,190ft 16.1s 13s
OK AMW K710 18.99lb 83ft/s 586ft/s 9.4G 4,337ft 16.2s 13s
OK AeroTech K805 18.40lb 81ft/s 608ft/s 10.0G 4,345ft 16.2s 14s
OK Gorilla K805 18.91lb 79ft/s 609ft/s 12.3G 4,353ft 16.1s 14s
OK AMW K670 19.16lb 77ft/s 592ft/s 8.8G 4,361ft 16.3s 14s
OK AMW K580 19.02lb 82ft/s 581ft/s 11.7G 4,523ft 16.6s 13s
OK AeroTech K990 19.65lb 84ft/s 637ft/s 11.5G 4,549ft 16.4s 14s
OK AeroTech K850 19.50lb 84ft/s 642ft/s 11.8G 4,574ft 16.4s 14s
OK AeroTech K1103 18.22lb 104ft/s 662ft/s 18.9G 4,639ft 16.2s 15s
OK Cesaroni K740 18.24lb 84ft/s 644ft/s 9.9G 4,756ft 16.8s 14s
OK AeroTech K270 19.63lb 50ft/s 463ft/s 3.9G 4,793ft 19.1s 10s
OK Loki K527 19.35lb 69ft/s 606ft/s 7.8G 4,886ft 17.5s 13s
OK AMW K1250 19.00lb 107ft/s 691ft/s 18.1G 4,916ft 16.6s 15s
OK Loki K960 18.85lb 105ft/s 678ft/s 17.3G 4,939ft 16.7s 15s
OK Cesaroni K490 19.09lb 64ft/s 606ft/s 5.9G 4,946ft 17.9s 14s
OK Cesaroni K635 18.90lb 75ft/s 644ft/s 8.2G 4,993ft 17.4s 14s
OK Cesaroni K675 19.28lb 76ft/s 646ft/s 9.5G 5,002ft 17.3s 14s
OK Cesaroni K650 18.77lb 78ft/s 650ft/s 13.7G 5,069ft 17.4s 14s
OK Gorilla K980 20.42lb 89ft/s 688ft/s 13.7G 5,157ft 17.2s 15s
OK Cesaroni K1200 18.60lb 101ft/s 731ft/s 15.6G 5,214ft 17.0s 15s
OK AeroTech K828 19.90lb 88ft/s 693ft/s 13.8G 5,238ft 17.4s 15s
OK Cesaroni K570 18.71lb 80ft/s 647ft/s 9.8G 5,295ft 17.8s 14s
OK Cesaroni K600 19.17lb 74ft/s 665ft/s 8.1G 5,379ft 18.1s 15s
OK AeroTech K1275 19.38lb 106ft/s 737ft/s 17.2G 5,398ft 17.3s 15s
OK AMW K1075 20.82lb 89ft/s 723ft/s 13.2G 5,457ft 17.7s 16s
OK Cesaroni K780 18.75lb 85ft/s 716ft/s 11.0G 5,491ft 17.8s 15s
OK AeroTech K375 19.64lb 99ft/s 591ft/s 14.4G 5,599ft 18.8s 13s
OK Cesaroni K260 19.51lb 52ft/s 523ft/s 4.0G 5,602ft 20.2s 12s
OK AeroTech K480 19.58lb 77ft/s 667ft/s 9.5G 5,780ft 18.6s 14s
OK AeroTech K700 19.49lb 87ft/s 705ft/s 11.3G 5,786ft 18.2s 15s
OK Cesaroni K815 19.84lb 80ft/s 744ft/s 12.6G 5,826ft 18.3s 15s
OK Cesaroni K750 19.53lb 80ft/s 736ft/s 10.1G 5,899ft 18.4s 15s
OK Loki K830 20.29lb 70ft/s 779ft/s 12.0G 5,969ft 18.6s 16s
OK Gorilla K1075 20.60lb 90ft/s 778ft/s 13.0G 5,974ft 18.3s 16s
OK Cesaroni K711 19.85lb 83ft/s 730ft/s 16.2G 6,021ft 18.7s 15s
OK Cesaroni K820 19.37lb 89ft/s 764ft/s 18.2G 6,139ft 18.5s 16s
OK Gorilla K470 20.13lb 81ft/s 649ft/s 10.8G 6,148ft 19.2s 14s
OK Cesaroni K1440 19.17lb 118ft/s 838ft/s 21.2G 6,156ft 18.0s 16s
OK KBA K1750 20.65lb 116ft/s 846ft/s 23.6G 6,156ft 18.1s 17s
OK Gorilla K1185 20.60lb 93ft/s 818ft/s 14.6G 6,229ft 18.5s 16s
OK Loki K350 20.60lb 75ft/s 592ft/s 12.3G 6,230ft 20.4s 13s
OK KBA K750 20.81lb 85ft/s 750ft/s 11.8G 6,256ft 18.9s 15s
OK Cesaroni K590 19.40lb 105ft/s 696ft/s 20.0G 6,265ft 19.0s 15s
OK Cesaroni K660 19.30lb 89ft/s 747ft/s 11.6G 6,319ft 19.0s 15s
OK AMW K1130 20.67lb 98ft/s 812ft/s 15.9G 6,350ft 18.6s 16s
OK AeroTech K250 19.88lb 49ft/s 565ft/s 4.0G 6,360ft 21.6s 11s
OK Cesaroni K300 20.00lb 58ft/s 588ft/s 5.1G 6,371ft 20.9s 13s
OK AeroTech K1050 19.86lb 99ft/s 828ft/s 15.7G 6,446ft 18.7s 16s
OK Cesaroni L265 20.47lb 50ft/s 556ft/s 4.1G 6,461ft 22.2s 12s
OK AMW L1276 21.53lb 96ft/s 849ft/s 15.1G 6,617ft 19.0s 17s
OK AMW L985 20.67lb 98ft/s 824ft/s 15.0G 6,711ft 19.2s 17s
OK AeroTech L1090 20.36lb 96ft/s 841ft/s 13.6G 6,810ft 19.2s 16s
OK KBA L2300 20.80lb 132ft/s 932ft/s 31.7G 6,825ft 18.7s 17s
OK AeroTech L1000 19.84lb 99ft/s 863ft/s 14.0G 6,936ft 19.3s 16s
OK Cesaroni L990 19.93lb 95ft/s 870ft/s 17.3G 7,104ft 19.5s 17s
OK Cesaroni L730 19.95lb 92ft/s 815ft/s 12.7G 7,119ft 19.8s 16s
OK Cesaroni L1030 20.15lb 93ft/s 895ft/s 16.2G 7,143ft 19.6s 17s
OK Cesaroni L640 19.95lb 103ft/s 766ft/s 16.4G 7,165ft 20.0s 15s
OK Loki L1400 20.60lb 109ft/s 925ft/s 20.1G 7,171ft 19.3s 17s
OK Cesaroni L805 20.52lb 87ft/s 844ft/s 15.2G 7,237ft 20.0s 16s
OK Cesaroni L935 20.60lb 96ft/s 920ft/s 15.8G 7,815ft 20.3s 17s
OK Loki L1040 21.53lb 93ft/s 1,058ft/s 13.5G 9,215ft 21.7s 18s
warningsD AMW K590 18.79lb 7:1 thrust/weight ratio (no data)
warningsD Gorilla K695 18.30lb 9:1 thrust/weight ratio (no data)
warningsD Gorilla K828 19.05lb 10:1 thrust/weight ratio (no data)

D No simulation data found for this motor.

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 I117 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (28ft/s)
failedG AeroTech I215 speed at end of launch guide too slow (43ft/s)
failedG AeroTech I229 speed at end of launch guide too slow (44ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (28ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni I218 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (26ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (37ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (30ft/s)
failedG Hypertek J115 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (40ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni J280 speed at end of launch guide too slow (44ft/s)
failedG Hypertek J170 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (41ft/s)
failedG Hypertek J120 speed at end of launch guide too slow (38ft/s)
failedG AeroTech J275 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni J240 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni J210 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni J293 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (41ft/s)
failedG AeroTech J135 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (34ft/s)
failedG AeroTech K185 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni K160 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni K261 speed at end of launch guide too slow (47ft/s)

G These simulations were run with a launch guide length of 11ft (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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