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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:   Darkstar DD
Owner: John Metcalf
Body Diameter: 2.60in
Dry Weight: 60.0oz
MMT Diameter: 38.0mm
MMT Length: 14.00in
CD: 0.30

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 66.4oz 87ft/s 186ft/s 19.5G 540ft 5.9s 6s
OK Cesaroni G185 66.6oz 59ft/s 201ft/s 10.2G 654ft 6.7s 6s
warningsW AeroTech H283 68.7oz 76ft/s 316ft/s 16.7G 1,468ft 9.6s 9s
OK AeroTech H148 70.9oz 57ft/s 306ft/s 8.9G 1,526ft 10.1s 9s
OK AeroTech H130 68.4oz 68ft/s 305ft/s 12.7G 1,581ft 10.2s 9s
OK AeroTech H123 69.7oz 49ft/s 305ft/s 6.7G 1,700ft 10.9s 8s
OK Loki H90 71.8oz 49ft/s 300ft/s 6.3G 1,701ft 11.1s 8s
OK AeroTech H669 68.9oz 123ft/s 366ft/s 56.8G 1,787ft 10.4s 10s
OK Loki H125 72.1oz 57ft/s 325ft/s 9.2G 1,819ft 11.1s 9s
OK Loki H144 71.9oz 66ft/s 335ft/s 11.4G 1,833ft 10.9s 9s
OK AeroTech H219 69.2oz 73ft/s 365ft/s 14.3G 1,932ft 11.1s 10s
OK AeroTech H242 69.3oz 64ft/s 370ft/s 11.4G 2,037ft 11.4s 10s
OK Loki H160 71.8oz 70ft/s 364ft/s 13.5G 2,064ft 11.5s 10s
OK Cesaroni H400 70.0oz 85ft/s 412ft/s 22.1G 2,224ft 11.6s 11s
OK Cesaroni H152 70.5oz 55ft/s 402ft/s 9.8G 2,433ft 12.6s 11s
OK AeroTech H178 71.4oz 53ft/s 419ft/s 10.2G 2,513ft 12.8s 11s
OK Cesaroni H225 66.8oz 69ft/s 441ft/s 12.9G 2,593ft 12.7s 12s
OK AeroTech I218 73.1oz 69ft/s 462ft/s 13.1G 2,922ft 13.5s 12s
OK AeroTech H170 71.6oz 57ft/s 455ft/s 9.5G 2,954ft 13.8s 12s
OK AeroTech I180 73.6oz 78ft/s 450ft/s 16.8G 2,994ft 13.6s 12s
OK AeroTech H550 71.4oz 111ft/s 501ft/s 32.0G 3,020ft 13.3s 13s
OK AeroTech H550 71.1oz 112ft/s 507ft/s 32.2G 3,055ft 13.3s 13s
warningsW Cesaroni H565 72.8oz 105ft/s 507ft/s 32.5G 3,063ft 13.4s 13s
OK AeroTech I161 72.9oz 60ft/s 460ft/s 9.9G 3,094ft 14.1s 12s
OK AeroTech H999 71.7oz 146ft/s 521ft/s 79.7G 3,131ft 13.4s 13s
OK Cesaroni I180 73.9oz 54ft/s 480ft/s 9.8G 3,163ft 14.2s 12s
OK AeroTech I140 72.6oz 53ft/s 460ft/s 8.0G 3,187ft 14.4s 12s
OK AeroTech I225 77.1oz 59ft/s 499ft/s 12.4G 3,347ft 14.4s 13s
OK AeroTech I245 72.9oz 82ft/s 511ft/s 19.6G 3,420ft 14.3s 13s
OK Cesaroni I212 76.8oz 58ft/s 513ft/s 11.5G 3,429ft 14.7s 13s
OK AeroTech I357 72.1oz 80ft/s 524ft/s 18.0G 3,474ft 14.4s 13s
OK AeroTech I154 77.4oz 48ft/s 472ft/s 6.9G 3,504ft 15.4s 12s
OK Cesaroni I566 73.6oz 98ft/s 583ft/s 31.3G 3,769ft 14.7s 14s
OK Cesaroni I195 74.7oz 61ft/s 554ft/s 10.5G 3,947ft 15.6s 14s
OK Cesaroni I175 75.4oz 55ft/s 560ft/s 8.5G 4,108ft 16.0s 14s
OK AeroTech I285 77.4oz 75ft/s 585ft/s 16.7G 4,110ft 15.6s 14s
OK Cesaroni I345 73.9oz 81ft/s 600ft/s 18.0G 4,112ft 15.5s 14s
OK Cesaroni I170 73.8oz 59ft/s 567ft/s 10.2G 4,122ft 16.0s 14s
OK Cesaroni I236 74.1oz 70ft/s 596ft/s 14.1G 4,286ft 16.0s 14s
OK Cesaroni I800 76.1oz 118ft/s 644ft/s 44.3G 4,311ft 15.5s 15s
OK AeroTech I305 80.5oz 76ft/s 604ft/s 17.8G 4,362ft 15.9s 14s
OK AeroTech I195 80.2oz 73ft/s 580ft/s 15.3G 4,364ft 16.2s 14s
OK AeroTech I211 76.0oz 70ft/s 587ft/s 14.2G 4,393ft 16.2s 14s
OK Cesaroni I223 77.4oz 60ft/s 602ft/s 11.4G 4,395ft 16.3s 14s
OK AeroTech I1299 74.9oz 158ft/s 669ft/s 73.8G 4,483ft 15.6s 15s
OK AeroTech I300 75.6oz 85ft/s 623ft/s 21.2G 4,510ft 16.2s 15s
warningsW Loki I110 80.8oz 51ft/s 555ft/s 10.8G 4,730ft 17.5s 13s
OK AeroTech I59 77.2oz 48ft/s 412ft/s 7.0G 4,801ft 19.0s 10s
OK Loki I316 79.0oz 93ft/s 648ft/s 22.1G 4,834ft 16.6s 15s
OK Cesaroni I287 81.3oz 68ft/s 667ft/s 15.1G 4,981ft 17.1s 15s
OK Loki I210 79.0oz 81ft/s 635ft/s 19.1G 5,040ft 17.1s 15s
OK Loki I405 79.2oz 115ft/s 698ft/s 35.6G 5,200ft 17.0s 16s
OK Cesaroni I285 77.8oz 71ft/s 707ft/s 15.3G 5,429ft 17.7s 16s
OK Cesaroni I255 78.2oz 71ft/s 707ft/s 13.7G 5,496ft 17.8s 16s
OK Loki I377 79.8oz 105ft/s 719ft/s 28.7G 5,506ft 17.5s 16s
OK Loki I430 79.0oz 85ft/s 747ft/s 23.2G 5,572ft 17.6s 16s
OK AeroTech I327 82.2oz 83ft/s 732ft/s 17.9G 5,631ft 17.8s 16s
OK AMW I297 80.8oz 74ft/s 729ft/s 15.6G 5,664ft 17.9s 16s
OK AeroTech I364 83.9oz 75ft/s 733ft/s 17.6G 5,664ft 17.9s 16s
OK AeroTech I366 79.6oz 89ft/s 749ft/s 21.1G 5,717ft 17.8s 16s
OK Cesaroni I303 77.6oz 79ft/s 749ft/s 18.1G 5,846ft 18.1s 16s
OK Cesaroni I242 79.4oz 68ft/s 736ft/s 11.9G 5,873ft 18.5s 16s
OK AeroTech I280 81.7oz 70ft/s 748ft/s 13.8G 5,877ft 18.3s 16s
OK Cesaroni I470 77.5oz 98ft/s 788ft/s 24.9G 5,885ft 17.9s 17s
OK Cesaroni I350 87.6oz 78ft/s 771ft/s 16.1G 6,088ft 18.5s 17s
OK AeroTech I435 78.3oz 111ft/s 811ft/s 33.8G 6,228ft 18.3s 17s
OK AeroTech I284 79.6oz 88ft/s 796ft/s 21.3G 6,337ft 18.6s 17s
OK AeroTech I500 80.3oz 95ft/s 873ft/s 25.6G 6,796ft 19.0s 18s
OK AeroTech I600 81.2oz 111ft/s 896ft/s 35.4G 6,940ft 19.0s 18s
OK AeroTech J420 82.9oz 90ft/s 876ft/s 23.4G 6,971ft 19.3s 18s
OK AeroTech I350 81.7oz 84ft/s 886ft/s 21.2G 7,003ft 19.4s 18s
OK AeroTech J350 83.5oz 107ft/s 875ft/s 34.5G 7,004ft 19.2s 18s
OK Cesaroni J285 81.0oz 76ft/s 850ft/s 15.8G 7,059ft 19.7s 17s
OK AeroTech J340 80.4oz 95ft/s 877ft/s 25.9G 7,071ft 19.4s 17s
OK Cesaroni J357 81.2oz 84ft/s 893ft/s 21.8G 7,178ft 19.6s 18s
OK AeroTech J425 82.3oz 79ft/s 937ft/s 19.9G 7,420ft 19.8s 18s
OK AeroTech J270 82.6oz 71ft/s 894ft/s 14.9G 7,619ft 20.4s 18s
OK AeroTech J500 83.1oz 112ft/s 978ft/s 33.3G 7,838ft 20.0s 19s

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 (38ft/s)
failedG Loki G69 speed at end of launch guide too slow (40ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (35ft/s)
failedG Loki G70 speed at end of launch guide too slow (41ft/s)
failedG Loki G94 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (35ft/s)
failedG Loki G80 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (29ft/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 (44ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (36ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (27ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (34ft/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 Cesaroni H143 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H120 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 (35ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (26ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (29ft/s)

G These simulations were run with a launch guide length of 6ft (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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