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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 19 motors that fit and appear to have enough thrust (789 motors didn't fit, 3 motors failed safety checks). 22 motor had thrust curves available and 43 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:   red metal 18
Owner: Keith Pate
Body Diameter: 0.98in
Dry Weight: 2.4oz
MMT Diameter: 18.0mm
MMT Length: 4.00in
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
warningsW Estes 1/2A6 2.9oz 0ft/s 37ft/s 9.0G 24ft 1.4s 1s
OK Quest A6 2.8oz 57ft/s 74ft/s 14.2G 93ft 2.6s 2s
OK SCR A3 2.9oz 49ft/s 78ft/s 9.8G 111ft 3.0s 2s
OK Estes B6 3.1oz 56ft/s 137ft/s 13.4G 307ft 4.6s 4s
OK Estes B4 3.1oz 54ft/s 139ft/s 13.4G 333ft 4.8s 4s
OK SCR B4 3.1oz 52ft/s 137ft/s 13.3G 346ft 4.9s 4s
OK Quest B6 3.0oz 60ft/s 155ft/s 16.2G 359ft 4.9s 4s
OK Estes C5 3.3oz 74ft/s 225ft/s 22.4G 807ft 7.3s 5s
OK AeroTech C3 3.2oz 53ft/s 192ft/s 9.0G 857ft 7.7s 5s
OK Quest C6 3.1oz 69ft/s 250ft/s 20.1G 900ft 7.6s 6s
OK Estes C6 3.3oz 55ft/s 256ft/s 13.7G 908ft 7.7s 6s
OK SCR C3 3.3oz 50ft/s 227ft/s 12.4G 955ft 8.2s 5s
OK Quest C12 3.2oz 60ft/s 328ft/s 18.8G 1,003ft 7.5s 7s
OK Quest D16 3.3oz 70ft/s 414ft/s 23.3G 1,285ft 8.1s 7s
OK AeroTech D2 3.4oz 54ft/s 197ft/s 9.6G 1,857ft 12.9s 5s
OK AeroTech D10 3.3oz 83ft/s 522ft/s 25.0G 1,872ft 9.3s 8s
OK AeroTech D13 3.5oz 81ft/s 501ft/s 22.3G 1,892ft 9.5s 8s
OK AeroTech D24 3.5oz 107ft/s 574ft/s 39.9G 1,918ft 9.3s 8s
OK AeroTech D21 3.3oz 104ft/s 599ft/s 33.8G 1,929ft 9.2s 8s

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 Estes A8 speed at end of launch guide too slow (46ft/s)
failedG Quest A3 speed at end of launch guide too slow (40ft/s)
failedG Quest B4 speed at end of launch guide too slow (47ft/s)

G These simulations were run with a launch guide length of 5ft (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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