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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 48 motors that fit and appear to have enough thrust (719 motors didn't fit, 24 motors failed safety checks). 72 motor had thrust curves available and 153 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
Owner: Braden Carlson
Body Diameter: 54.0mm
Dry Weight: 3.40lb
MMT Diameter: 38.0mm
MMT Length: 10.00in
CD: 0.88

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 3.80lb 28m/s 62m/s 21.3G 183m 6.1s 6s
OK Loki G94 3.93lb 15m/s 56m/s 6.6G 188m 6.6s 5s
OK Cesaroni G185 3.82lb 18m/s 67m/s 11.2G 220m 6.9s 6s
OK Cesaroni G115 3.83lb 15m/s 69m/s 6.7G 250m 7.5s 6s
warningsW AeroTech H283 3.94lb 25m/s 104m/s 18.2G 448m 9.4s 9s
OK AeroTech H148 4.08lb 18m/s 100m/s 9.7G 468m 9.9s 8s
OK AeroTech H130 3.92lb 21m/s 100m/s 13.9G 481m 9.9s 8s
OK AeroTech H123 4.01lb 16m/s 99m/s 7.4G 517m 10.6s 8s
OK Loki H90 4.14lb 16m/s 97m/s 7.0G 521m 10.8s 8s
OK AeroTech H669 3.96lb 38m/s 121m/s 61.9G 526m 9.9s 10s
OK Loki H125 4.15lb 18m/s 105m/s 10.1G 546m 10.7s 9s
OK Loki H144 4.14lb 21m/s 109m/s 12.5G 546m 10.5s 9s
OK Cesaroni H143 4.17lb 15m/s 112m/s 8.0G 553m 10.8s 9s
OK AeroTech H219 3.98lb 23m/s 120m/s 15.6G 566m 10.5s 9s
OK AeroTech H242 3.98lb 20m/s 121m/s 12.5G 595m 10.8s 9s
OK Loki H160 4.14lb 22m/s 118m/s 14.7G 602m 10.8s 9s
OK Cesaroni H120 4.05lb 15m/s 119m/s 7.2G 628m 11.5s 9s
OK Cesaroni H400 4.03lb 27m/s 136m/s 24.1G 633m 10.8s 10s
OK Cesaroni H125 4.05lb 15m/s 123m/s 7.6G 650m 11.7s 10s
OK Cesaroni H152 4.06lb 18m/s 130m/s 10.8G 694m 11.8s 10s
OK AeroTech H178 4.11lb 17m/s 136m/s 11.0G 709m 11.8s 10s
OK Cesaroni H225 3.83lb 22m/s 145m/s 14.2G 720m 11.7s 10s
OK AeroTech I218 4.22lb 22m/s 149m/s 14.3G 800m 12.3s 11s
OK AeroTech H550 4.11lb 35m/s 164m/s 34.7G 810m 11.9s 11s
OK AeroTech H170 4.13lb 18m/s 146m/s 10.3G 810m 12.5s 10s
OK AeroTech H550 4.10lb 35m/s 166m/s 35.0G 814m 11.9s 11s
OK AeroTech I180 4.25lb 26m/s 143m/s 18.2G 818m 12.4s 10s
warningsW Cesaroni H565 4.20lb 33m/s 166m/s 34.5G 819m 12.0s 11s
OK AeroTech H999 4.13lb 46m/s 172m/s 86.6G 830m 11.9s 12s
OK AeroTech I161 4.21lb 19m/s 147m/s 10.7G 843m 12.8s 10s
OK Cesaroni I180 4.27lb 17m/s 155m/s 10.4G 857m 12.9s 11s
OK AeroTech I140 4.18lb 17m/s 146m/s 8.7G 868m 13.1s 11s
OK AeroTech I225 4.47lb 19m/s 160m/s 13.2G 894m 12.9s 11s
OK AeroTech I245 4.20lb 27m/s 164m/s 21.3G 903m 12.7s 11s
OK AeroTech I357 4.16lb 26m/s 169m/s 19.6G 913m 12.8s 11s
OK Cesaroni I212 4.45lb 18m/s 165m/s 12.2G 913m 13.2s 11s
OK AeroTech I154 4.48lb 15m/s 148m/s 7.5G 949m 14.0s 11s
OK Cesaroni I566 4.25lb 31m/s 191m/s 32.9G 967m 12.8s 12s
OK Cesaroni I195 4.32lb 19m/s 176m/s 11.4G 1,025m 13.8s 12s
OK Cesaroni I345 4.27lb 25m/s 194m/s 19.5G 1,045m 13.5s 12s
OK AeroTech I285 4.49lb 24m/s 187m/s 18.1G 1,051m 13.6s 12s
OK Cesaroni I170 4.26lb 19m/s 180m/s 11.0G 1,060m 14.0s 12s
OK Cesaroni I175 4.36lb 17m/s 177m/s 9.1G 1,062m 14.1s 12s
OK Cesaroni I236 4.28lb 22m/s 189m/s 15.3G 1,087m 13.9s 12s
OK AeroTech I1299 4.33lb 50m/s 219m/s 79.6G 1,103m 13.3s 13s
OK AeroTech I211 4.40lb 23m/s 185m/s 15.4G 1,111m 14.1s 12s
OK AeroTech I300 4.37lb 27m/s 198m/s 22.9G 1,127m 13.9s 12s
OK AeroTech I59 4.47lb 15m/s 118m/s 7.6G 1,284m 17.2s 9s

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 (12m/s)
failedG Loki G69 speed at end of launch guide too slow (13m/s)
failedG AeroTech G61 speed at end of launch guide too slow (11m/s)
failedG Loki G70 speed at end of launch guide too slow (13m/s)
failedG Cesaroni G69 speed at end of launch guide too slow (11m/s)
failedG Loki G80 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G46 speed at end of launch guide too slow (9m/s)
failedG Cesaroni G79 speed at end of launch guide too slow (11m/s)
failedG Loki G66 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G60 speed at end of launch guide too slow (12m/s)
failedG AeroTech G69 speed at end of launch guide too slow (11m/s)
failedG Cesaroni G58 speed at end of launch guide too slow (9m/s)
failedG Cesaroni G78 speed at end of launch guide too slow (12m/s)
failedG Cesaroni G50 speed at end of launch guide too slow (9m/s)
failedG AeroTech H73 speed at end of launch guide too slow (11m/s)
failedG Loki H100 speed at end of launch guide too slow (14m/s)
failedG AeroTech H100 speed at end of launch guide too slow (14m/s)
failedG Cesaroni H123 speed at end of launch guide too slow (14m/s)
failedG AeroTech H112 speed at end of launch guide too slow (13m/s)
failedG Cesaroni H110 speed at end of launch guide too slow (14m/s)
failedG Cesaroni H100 speed at end of launch guide too slow (14m/s)
failedG AeroTech H45 speed at end of launch guide too slow (11m/s)
failedG AeroTech I49 speed at end of launch guide too slow (8m/s)
failedG Cesaroni I55 speed at end of launch guide too slow (9m/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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