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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 29 motors that fit and appear to have enough thrust (777 motors didn't fit, 5 motors failed safety checks). 34 motor had thrust curves available and 60 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:   Sprint XL
Owner: Jeffrey Gortatowsky
Body Diameter: 1.60in
Dry Weight: 4.0oz
MMT Diameter: 24.0mm
MMT Length: 5.00in
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 Estes C11 5.2oz 51ft/s 168ft/s 14.1G 376ft 4.9s 4s
OK Estes D12 6.0oz 54ft/s 249ft/s 16.9G 780ft 6.9s 5s
OK Estes D11 5.6oz 52ft/s 271ft/s 16.0G 866ft 7.2s 5s
OK AeroTech D15 5.7oz 67ft/s 312ft/s 18.0G 936ft 7.0s 6s
OK Cesaroni E75 5.8oz 110ft/s 473ft/s 56.7G 1,121ft 7.1s 7s
OK Cesaroni E22 6.0oz 58ft/s 395ft/s 17.2G 1,134ft 7.5s 6s
OK Cesaroni E31 5.8oz 66ft/s 446ft/s 24.0G 1,215ft 7.6s 7s
OK Estes E12 6.1oz 55ft/s 353ft/s 18.7G 1,301ft 8.4s 6s
OK Estes E30 5.7oz 83ft/s 558ft/s 30.2G 1,480ft 7.9s 7s
OK AeroTech E11 6.2oz 48ft/s 388ft/s 10.1G 1,517ft 8.8s 6s
OK AeroTech E20 5.7oz 75ft/s 497ft/s 20.9G 1,557ft 8.3s 7s
OK AeroTech E12 6.1oz 49ft/s 391ft/s 9.8G 1,589ft 8.9s 6s
OK AeroTech E30 5.7oz 89ft/s 608ft/s 29.7G 1,664ft 8.1s 7s
OK AeroTech E28 6.0oz 88ft/s 590ft/s 29.6G 1,668ft 8.3s 7s
OK AeroTech F44 5.7oz 95ft/s 718ft/s 39.7G 1,687ft 8.1s 7s
OK AeroTech E18 6.1oz 66ft/s 495ft/s 17.4G 1,703ft 8.7s 6s
OK AeroTech E15 5.7oz 67ft/s 478ft/s 18.1G 1,744ft 8.8s 6s
OK AeroTech F62 7.1oz 84ft/s 689ft/s 34.6G 1,785ft 8.5s 8s
OK AeroTech F12 6.4oz 53ft/s 485ft/s 12.1G 1,864ft 9.2s 6s
OK AeroTech F63 6.9oz 92ft/s 723ft/s 37.1G 1,865ft 8.6s 8s
OK AeroTech F30 6.5oz 71ft/s 635ft/s 19.7G 1,865ft 8.7s 7s
OK Cesaroni F51 6.6oz 91ft/s 706ft/s 35.3G 1,913ft 8.7s 8s
OK AeroTech F39 6.1oz 93ft/s 685ft/s 34.0G 1,929ft 8.6s 7s
OK Cesaroni F70 6.6oz 104ft/s 786ft/s 51.3G 1,952ft 8.6s 8s
OK AeroTech F51 6.9oz 94ft/s 730ft/s 36.6G 1,962ft 8.7s 8s
OK AeroTech F24 6.2oz 75ft/s 570ft/s 22.9G 1,970ft 9.0s 7s
warningsW Apogee E6 5.6oz 52ft/s 293ft/s 11.8G 2,052ft 11.4s 5s
OK AeroTech F32 6.3oz 92ft/s 707ft/s 33.1G 2,124ft 9.0s 7s
OK AeroTech F35 7.0oz 87ft/s 702ft/s 29.0G 2,126ft 9.1s 7s

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 D7 speed at end of launch guide too slow (40ft/s)
failedG AeroTech D9 speed at end of launch guide too slow (41ft/s)
failedG Estes E9 speed at end of launch guide too slow (47ft/s)
failedG AeroTech E7 speed at end of launch guide too slow (41ft/s)
failedG AeroTech E6 speed at end of launch guide too slow (39ft/s)

G These simulations were run with a launch guide length of 4ft (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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