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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 30 motors that fit and appear to have enough thrust (777 motors didn't fit, 4 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:   Estes Astron Sprint MP
Owner: Michael J Zaborowski
Body Diameter: 1.66in
Dry Weight: 6.0oz
MMT Diameter: 24.0mm
MMT Length: 5.00in
CD: 0.38

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 7.2oz 56ft/s 118ft/s 10.0G 242ft 4.2s 3s
OK Estes D12 8.0oz 60ft/s 191ft/s 12.5G 628ft 6.7s 5s
OK Estes D11 7.5oz 61ft/s 208ft/s 11.5G 725ft 7.2s 5s
OK AeroTech D15 7.6oz 71ft/s 243ft/s 13.2G 844ft 7.2s 6s
OK Cesaroni E22 8.0oz 61ft/s 311ft/s 12.7G 1,111ft 8.1s 7s
OK Cesaroni E75 7.8oz 117ft/s 359ft/s 42.1G 1,167ft 7.9s 8s
OK Cesaroni E31 7.8oz 73ft/s 350ft/s 17.7G 1,247ft 8.4s 7s
OK Estes E12 8.0oz 65ft/s 299ft/s 13.9G 1,285ft 9.2s 7s
OK Estes E9 8.0oz 48ft/s 292ft/s 7.6G 1,319ft 9.7s 7s
OK AeroTech E11 8.2oz 51ft/s 337ft/s 7.5G 1,580ft 9.8s 7s
OK AeroTech E12 8.1oz 50ft/s 344ft/s 7.2G 1,681ft 10.1s 7s
OK Estes E30 7.6oz 86ft/s 457ft/s 22.2G 1,694ft 9.3s 8s
OK AeroTech E20 7.7oz 74ft/s 422ft/s 15.3G 1,746ft 9.7s 8s
OK AeroTech E18 8.0oz 71ft/s 431ft/s 12.9G 1,926ft 10.2s 8s
OK AeroTech E28 7.9oz 93ft/s 500ft/s 22.0G 1,963ft 9.9s 9s
OK AeroTech E15 7.7oz 69ft/s 430ft/s 13.2G 1,972ft 10.4s 8s
OK AeroTech E30 7.6oz 92ft/s 514ft/s 21.8G 1,986ft 9.9s 9s
warningsW Apogee E6 7.6oz 52ft/s 288ft/s 8.5G 2,047ft 12.5s 6s
OK AeroTech F44 7.7oz 97ft/s 584ft/s 29.9G 2,083ft 9.9s 9s
OK AeroTech F12 8.4oz 57ft/s 437ft/s 9.0G 2,105ft 10.8s 8s
OK AeroTech F62 9.1oz 94ft/s 572ft/s 28.2G 2,152ft 10.2s 9s
OK AeroTech F30 8.5oz 72ft/s 552ft/s 15.4G 2,246ft 10.6s 9s
OK AeroTech F63 8.9oz 99ft/s 606ft/s 29.0G 2,285ft 10.4s 10s
OK AeroTech F24 8.2oz 77ft/s 514ft/s 17.2G 2,337ft 10.8s 9s
OK Cesaroni F51 8.5oz 92ft/s 602ft/s 27.0G 2,343ft 10.5s 10s
OK AeroTech F39 8.1oz 102ft/s 602ft/s 25.5G 2,386ft 10.6s 9s
OK AeroTech F51 8.8oz 108ft/s 621ft/s 28.3G 2,422ft 10.6s 10s
OK Cesaroni F70 8.5oz 115ft/s 659ft/s 39.3G 2,450ft 10.6s 10s
OK AeroTech F35 9.0oz 88ft/s 627ft/s 22.4G 2,623ft 11.1s 10s
OK AeroTech F32 8.2oz 95ft/s 644ft/s 24.9G 2,672ft 11.2s 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 D7 speed at end of launch guide too slow (40ft/s)
failedG AeroTech D9 speed at end of launch guide too slow (46ft/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 (42ft/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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