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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 27 motors that fit and appear to have enough thrust (760 motors didn't fit, 18 motors failed safety checks). 43 motor had thrust curves available and 80 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:   AMWPro-X Fiberglass Baby Red FiberMAX
Owner: Philip Dougan
Body Diameter: 2.60in
Dry Weight: 749g
MMT Diameter: 29.0mm
MMT Length: 12.5cm
CD: 0.90

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 F62 858g 57ft/s 171ft/s 6.6G 442ft 5.4s 4s
OK Cesaroni F120 855g 87ft/s 198ft/s 16.1G 482ft 5.4s 5s
OK AeroTech F42 825g 60ft/s 171ft/s 7.5G 486ft 5.7s 4s
OK Cesaroni F59 848g 60ft/s 186ft/s 7.5G 490ft 5.7s 5s
OK AeroTech F67 829g 70ft/s 211ft/s 9.6G 575ft 6.0s 5s
OK AeroTech F50 834g 63ft/s 217ft/s 7.9G 656ft 6.4s 5s
OK AeroTech F25 839g 53ft/s 181ft/s 6.0G 660ft 6.8s 4s
OK AeroTech F52 871g 65ft/s 217ft/s 8.3G 680ft 6.6s 5s
OK AeroTech F40 875g 58ft/s 210ft/s 6.9G 732ft 7.0s 5s
OK Estes F50 833g 64ft/s 240ft/s 8.6G 765ft 6.9s 5s
OK AeroTech G54 886g 62ft/s 237ft/s 8.4G 771ft 6.9s 5s
OK AeroTech G104 885g 81ft/s 274ft/s 13.0G 835ft 6.9s 6s
OK AeroTech G38 875g 49ft/s 219ft/s 5.2G 838ft 7.6s 5s
OK AeroTech G74 836g 69ft/s 284ft/s 10.0G 870ft 7.2s 6s
OK AeroTech G53 895g 66ft/s 254ft/s 8.8G 901ft 7.5s 6s
OK AeroTech G40 872g 60ft/s 264ft/s 7.5G 1,011ft 7.9s 6s
OK Estes G40 872g 60ft/s 264ft/s 7.5G 1,011ft 7.9s 6s
OK AeroTech G77 871g 65ft/s 324ft/s 10.4G 1,046ft 7.8s 6s
OK AeroTech G79 873g 59ft/s 315ft/s 8.4G 1,095ft 8.1s 6s
OK AeroTech G76 896g 88ft/s 320ft/s 16.2G 1,180ft 8.0s 6s
OK AeroTech G64 900g 74ft/s 315ft/s 11.3G 1,215ft 8.3s 6s
OK AeroTech G75 880g 69ft/s 346ft/s 10.7G 1,242ft 8.3s 6s
OK AeroTech G78 874g 70ft/s 364ft/s 10.8G 1,268ft 8.3s 7s
OK AeroTech G125 874g 85ft/s 412ft/s 16.3G 1,297ft 8.1s 7s
OK AeroTech G80 877g 74ft/s 377ft/s 11.1G 1,342ft 8.5s 7s
OK AeroTech G138 897g 85ft/s 531ft/s 18.4G 1,678ft 8.9s 8s
warningsD Estes G80 877g 9:1 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 (29ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (42ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (34ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (44ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (41ft/s)
failedG Estes F15 speed at end of launch guide too slow (26ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (45ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (42ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (3:1)
failedG AeroTech F26 speed at end of launch guide too slow (41ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (35ft/s)
failedG Apogee F10 speed at end of launch guide too slow (30ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (43ft/s)

G These simulations were run with a launch guide length of 8ft (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.)

5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.

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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