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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 55 motors that fit and appear to have enough thrust (732 motors didn't fit, 24 motors failed safety checks). 77 motor had thrust curves available and 151 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:   MP NPLB-CR-Alt3
Owner: Kenneth B Weaver
Body Diameter: 2.64in
Dry Weight: 23.4oz
MMT Diameter: 29.0mm
MMT Length: 8.00in
CD: 0.75

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 27.2oz 48ft/s 193ft/s 7.4G 530ft 5.9s 5s
OK Cesaroni F120 27.1oz 70ft/s 222ft/s 18.0G 573ft 5.9s 5s
OK AeroTech F42 26.1oz 51ft/s 194ft/s 8.5G 584ft 6.2s 5s
OK Cesaroni F59 26.9oz 50ft/s 209ft/s 8.4G 586ft 6.1s 5s
OK AeroTech F67 26.2oz 57ft/s 238ft/s 10.8G 682ft 6.4s 5s
OK AeroTech F50 26.4oz 52ft/s 245ft/s 8.9G 774ft 6.9s 5s
OK AeroTech F52 27.7oz 53ft/s 244ft/s 9.3G 799ft 7.0s 6s
OK AeroTech F40 27.9oz 49ft/s 236ft/s 7.8G 861ft 7.4s 5s
OK Estes F50 26.4oz 54ft/s 270ft/s 9.7G 896ft 7.3s 6s
OK AeroTech G54 28.2oz 52ft/s 265ft/s 9.4G 901ft 7.4s 6s
OK Cesaroni G88 28.8oz 57ft/s 300ft/s 13.6G 938ft 7.4s 6s
OK AeroTech G104 28.2oz 68ft/s 306ft/s 14.5G 967ft 7.3s 6s
OK AeroTech G74 26.5oz 57ft/s 319ft/s 11.3G 1,011ft 7.6s 6s
OK AeroTech G53 28.5oz 54ft/s 284ft/s 9.9G 1,044ft 7.9s 6s
OK Cesaroni G80 28.5oz 54ft/s 331ft/s 11.5G 1,083ft 7.9s 7s
OK AeroTech G77 29.2oz 50ft/s 342ft/s 10.0G 1,162ft 8.2s 7s
OK AeroTech G40 27.7oz 50ft/s 296ft/s 8.5G 1,169ft 8.3s 6s
OK Estes G40 27.7oz 51ft/s 296ft/s 8.5G 1,169ft 8.3s 6s
OK AeroTech G77 27.7oz 54ft/s 362ft/s 11.6G 1,201ft 8.2s 7s
OK AeroTech G79 28.9oz 55ft/s 356ft/s 11.3G 1,235ft 8.3s 7s
OK AeroTech G72 28.0oz 52ft/s 368ft/s 11.9G 1,237ft 8.3s 7s
OK Cesaroni G83 28.5oz 58ft/s 361ft/s 11.6G 1,244ft 8.3s 7s
OK Cesaroni G68 28.9oz 50ft/s 345ft/s 10.4G 1,250ft 8.4s 7s
OK AeroTech G79 27.8oz 48ft/s 352ft/s 9.4G 1,257ft 8.5s 7s
OK Cesaroni G57 28.5oz 55ft/s 331ft/s 10.1G 1,268ft 8.6s 7s
OK Cesaroni G250 28.4oz 96ft/s 428ft/s 35.6G 1,274ft 8.0s 7s
OK AeroTech G76 28.6oz 72ft/s 355ft/s 18.0G 1,345ft 8.4s 7s
OK Cesaroni G126 28.5oz 72ft/s 415ft/s 19.1G 1,350ft 8.3s 7s
OK AeroTech G75 28.1oz 60ft/s 397ft/s 12.3G 1,356ft 8.5s 7s
OK AeroTech G64 28.7oz 63ft/s 350ft/s 12.6G 1,386ft 8.7s 6s
OK Cesaroni G131 30.5oz 67ft/s 428ft/s 16.5G 1,410ft 8.5s 7s
OK AeroTech G78 27.8oz 58ft/s 406ft/s 12.1G 1,441ft 8.7s 7s
OK AeroTech G125 27.8oz 70ft/s 458ft/s 18.1G 1,468ft 8.5s 8s
OK AeroTech G80 27.9oz 61ft/s 420ft/s 12.4G 1,521ft 8.8s 7s
OK Cesaroni G106 30.0oz 57ft/s 455ft/s 14.7G 1,566ft 9.0s 8s
OK KBA G135 31.4oz 61ft/s 477ft/s 16.8G 1,602ft 9.0s 8s
OK KBA G82 31.5oz 49ft/s 423ft/s 10.0G 1,604ft 9.4s 7s
OK AeroTech G75 31.6oz 48ft/s 422ft/s 8.0G 1,698ft 9.7s 7s
OK AeroTech H165 30.5oz 77ft/s 538ft/s 21.4G 1,777ft 9.2s 8s
OK Cesaroni G125 30.3oz 70ft/s 515ft/s 18.2G 1,783ft 9.3s 8s
OK Cesaroni G118 30.0oz 65ft/s 512ft/s 17.7G 1,792ft 9.4s 8s
OK Cesaroni H410 29.8oz 126ft/s 625ft/s 62.1G 1,812ft 8.9s 8s
OK Cesaroni H133 30.1oz 76ft/s 526ft/s 21.9G 1,824ft 9.3s 8s
OK Cesaroni H163 30.0oz 80ft/s 562ft/s 25.1G 1,850ft 9.3s 8s
OK Cesaroni G54 30.2oz 62ft/s 393ft/s 13.4G 1,859ft 10.0s 7s
OK AeroTech G138 28.6oz 70ft/s 588ft/s 20.4G 1,876ft 9.3s 8s
OK AeroTech H128 30.7oz 79ft/s 550ft/s 20.3G 1,883ft 9.4s 8s
OK Cesaroni H90 29.1oz 66ft/s 499ft/s 18.1G 1,883ft 9.6s 8s
OK AeroTech H238 30.3oz 88ft/s 584ft/s 27.0G 1,888ft 9.3s 8s
OK Cesaroni H87 30.6oz 60ft/s 490ft/s 14.1G 1,899ft 9.8s 8s
OK Cesaroni H54 30.8oz 56ft/s 404ft/s 10.8G 1,942ft 10.3s 7s
OK AeroTech H115 30.6oz 61ft/s 544ft/s 13.5G 1,961ft 9.7s 8s
OK AeroTech H182 30.7oz 77ft/s 698ft/s 21.0G 2,255ft 9.9s 9s
OK AeroTech H195 30.3oz 99ft/s 752ft/s 29.2G 2,389ft 9.9s 9s
warningsD Estes G80 27.9oz 10:1 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 (26ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (36ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (30ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (37ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (35ft/s)
failedG Estes F15 speed at end of launch guide too slow (24ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (38ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (34ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (4:1)
failedG AeroTech F26 speed at end of launch guide too slow (34ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (30ft/s)
failedG Apogee F10 speed at end of launch guide too slow (27ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (35ft/s)
failedG AeroTech G8 speed at end of launch guide too slow (9ft/s)
failedG AeroTech G11 speed at end of launch guide too slow (27ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (33ft/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.)

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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