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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 67 motors that fit and appear to have enough thrust (734 motors didn't fit, 10 motors failed safety checks). 75 motor had thrust curves available and 149 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:   Zephyr Light
Owner: David Head
Body Diameter: 72.0mm
Dry Weight: 390g
MMT Diameter: 29.0mm
MMT Length: 200.0mm
CD: 0.50

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 E23 494g 16m/s 53m/s 6.9G 156m 5.9s 4s
OK Cesaroni F36 494g 17m/s 75m/s 15.4G 207m 6.4s 5s
OK AeroTech F37 499g 16m/s 79m/s 8.4G 252m 7.1s 6s
OK AeroTech F27 470g 16m/s 74m/s 6.8G 259m 7.3s 5s
OK Cesaroni F36 491g 16m/s 85m/s 7.9G 266m 7.2s 6s
OK Cesaroni F32 497g 15m/s 82m/s 8.0G 268m 7.4s 6s
OK AeroTech F62 499g 22m/s 93m/s 12.1G 276m 7.1s 6s
OK AeroTech F23 472g 17m/s 78m/s 9.5G 280m 7.5s 5s
OK Cesaroni F120 496g 31m/s 106m/s 28.3G 286m 7.0s 6s
OK Cesaroni F31 492g 16m/s 87m/s 10.6G 290m 7.5s 6s
OK Cesaroni F59 489g 23m/s 101m/s 13.7G 297m 7.3s 6s
OK AeroTech F42 466g 22m/s 94m/s 14.0G 300m 7.3s 6s
OK AeroTech F20 470g 18m/s 82m/s 9.4G 310m 7.7s 5s
OK AeroTech F67 470g 25m/s 115m/s 17.6G 328m 7.4s 6s
OK AeroTech F26 491g 16m/s 86m/s 6.9G 330m 8.1s 6s
OK AeroTech F50 475g 23m/s 116m/s 14.6G 364m 7.8s 6s
OK AeroTech F52 512g 23m/s 113m/s 14.8G 374m 8.0s 7s
OK AeroTech F25 480g 21m/s 97m/s 11.3G 382m 8.3s 6s
OK AeroTech F40 516g 21m/s 109m/s 12.4G 402m 8.4s 6s
OK Estes F50 474g 24m/s 126m/s 15.6G 404m 8.1s 7s
OK AeroTech G54 526g 23m/s 121m/s 14.7G 408m 8.2s 7s
OK Cesaroni G88 542g 25m/s 138m/s 21.0G 413m 8.1s 7s
OK AeroTech G104 526g 29m/s 140m/s 22.6G 421m 8.1s 7s
OK AeroTech G74 477g 24m/s 150m/s 18.0G 437m 8.2s 7s
OK AeroTech G38 516g 19m/s 113m/s 9.4G 450m 8.9s 6s
OK AeroTech G53 536g 25m/s 127m/s 15.5G 455m 8.6s 7s
OK Cesaroni G80 533g 23m/s 151m/s 17.9G 462m 8.5s 7s
OK AeroTech G77 555g 21m/s 154m/s 15.0G 490m 8.8s 7s
OK AeroTech G77 512g 23m/s 165m/s 17.7G 494m 8.6s 7s
OK Estes G40 513g 22m/s 132m/s 13.5G 501m 8.9s 7s
OK AeroTech G40 513g 22m/s 132m/s 13.5G 501m 9.0s 7s
OK Cesaroni G250 531g 41m/s 197m/s 54.0G 506m 8.4s 8s
OK AeroTech G72 522g 23m/s 167m/s 17.8G 507m 8.7s 7s
OK AeroTech G79 547g 25m/s 158m/s 17.2G 510m 8.8s 7s
OK Cesaroni G83 535g 26m/s 162m/s 18.1G 513m 8.8s 7s
OK AeroTech G79 514g 21m/s 157m/s 14.6G 518m 8.9s 7s
OK Cesaroni G68 546g 21m/s 153m/s 16.2G 521m 9.0s 7s
OK Cesaroni G57 536g 23m/s 145m/s 15.8G 531m 9.1s 7s
OK Cesaroni G126 535g 32m/s 186m/s 29.3G 538m 8.7s 8s
OK AeroTech G75 523g 25m/s 177m/s 19.3G 541m 8.8s 7s
OK AeroTech G76 537g 32m/s 155m/s 27.7G 544m 8.9s 7s
OK Cesaroni G131 590g 29m/s 189m/s 24.6G 555m 8.9s 8s
OK AeroTech G64 541g 28m/s 152m/s 19.4G 562m 9.1s 7s
OK AeroTech G125 515g 31m/s 206m/s 27.7G 566m 8.7s 8s
OK AeroTech G78 515g 25m/s 180m/s 18.9G 569m 9.0s 7s
OK AeroTech G80 518g 27m/s 185m/s 19.5G 593m 9.1s 7s
OK AeroTech G25 511g 16m/s 119m/s 7.5G 606m 10.4s 5s
OK Cesaroni G106 577g 25m/s 199m/s 22.2G 609m 9.3s 8s
OK Cesaroni H410 572g 54m/s 278m/s 91.9G 655m 9.0s 9s
OK AeroTech H165 592g 34m/s 232m/s 31.7G 661m 9.3s 8s
OK AeroTech G75 623g 20m/s 178m/s 11.8G 665m 10.1s 8s
OK Cesaroni G125 584g 31m/s 220m/s 27.2G 670m 9.5s 8s
OK Cesaroni G118 578g 28m/s 219m/s 26.6G 675m 9.5s 8s
OK Cesaroni H133 580g 32m/s 225m/s 32.8G 682m 9.5s 8s
OK Cesaroni H163 577g 34m/s 243m/s 37.4G 683m 9.4s 8s
OK AeroTech G138 538g 30m/s 257m/s 28.8G 686m 9.3s 8s
OK AeroTech H238 586g 39m/s 251m/s 39.5G 690m 9.3s 8s
OK AeroTech H128 596g 33m/s 234m/s 30.0G 695m 9.5s 8s
OK Cesaroni H90 553g 29m/s 209m/s 27.6G 705m 9.7s 8s
OK Cesaroni H87 595g 24m/s 204m/s 21.0G 718m 10.0s 8s
OK AeroTech H115 595g 26m/s 228m/s 20.0G 721m 9.7s 8s
OK Cesaroni G54 583g 27m/s 163m/s 20.2G 721m 10.2s 7s
OK Cesaroni H54 599g 24m/s 166m/s 16.2G 752m 10.5s 7s
OK AeroTech H182 597g 32m/s 292m/s 30.9G 794m 9.7s 9s
OK AeroTech H195 587g 41m/s 311m/s 43.2G 825m 9.6s 8s
warningsD Estes F26 491g 6:1 thrust/weight ratio (no data)
warningsD Estes G80 518g 15:1 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 Estes E16 speed at end of launch guide too slow (13m/s)
failedG AeroTech E16 speed at end of launch guide too slow (14m/s)
failedG Estes F15 speed at end of launch guide too slow (12m/s)
failedG Cesaroni F29 speed at end of launch guide too slow (14m/s)
failedG AeroTech F22 speed at end of launch guide too slow (13m/s)
failedG Apogee F10 speed at end of launch guide too slow (13m/s)
failedG AeroTech G8 speed at end of launch guide too slow (6m/s)
failedG AeroTech G11 speed at end of launch guide too slow (13m/s)
failedG AeroTech G12 speed at end of launch guide too slow (13m/s)
failedG Cesaroni G33 speed at end of launch guide too slow (14m/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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