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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 (717 motors didn't fit, 19 motors failed safety checks). 72 motor had thrust curves available and 139 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 Nike Smoke
Owner: Bradley L Smith
Body Diameter: 4.00in
Dry Weight: 19.0oz
MMT Diameter: 29.0mm
MMT Length: 8.00in
CD: 0.70

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 22.8oz 57ft/s 217ft/s 9.0G 480ft 5.2s 4s
OK Cesaroni F120 22.7oz 84ft/s 258ft/s 20.8G 491ft 5.0s 5s
OK Cesaroni F59 22.5oz 61ft/s 235ft/s 10.3G 514ft 5.3s 4s
OK AeroTech F42 21.7oz 59ft/s 213ft/s 10.4G 518ft 5.4s 4s
OK AeroTech F50 22.0oz 63ft/s 263ft/s 10.9G 627ft 5.7s 4s
OK AeroTech F52 23.3oz 63ft/s 258ft/s 11.1G 651ft 5.9s 4s
OK AeroTech F25 22.2oz 54ft/s 212ft/s 8.4G 667ft 6.2s 4s
warningsW Estes F50 21.9oz 66ft/s 282ft/s 11.5G 695ft 5.9s 4s
OK AeroTech F40 23.5oz 57ft/s 242ft/s 9.3G 703ft 6.2s 4s
OK AeroTech G54 23.8oz 63ft/s 274ft/s 11.0G 709ft 6.1s 5s
OK Cesaroni G88 24.4oz 68ft/s 325ft/s 16.2G 713ft 5.9s 5s
OK AeroTech G104 23.8oz 81ft/s 326ft/s 17.4G 725ft 5.8s 5s
OK AeroTech G74 22.1oz 66ft/s 340ft/s 13.2G 746ft 6.0s 5s
OK AeroTech G38 23.4oz 50ft/s 245ft/s 7.1G 790ft 6.7s 4s
OK AeroTech G53 24.1oz 65ft/s 286ft/s 11.9G 795ft 6.4s 4s
OK Cesaroni G80 24.1oz 65ft/s 350ft/s 13.7G 796ft 6.2s 5s
OK AeroTech G77 24.8oz 60ft/s 355ft/s 11.0G 847ft 6.4s 5s
OK AeroTech G77 23.3oz 65ft/s 372ft/s 12.6G 849ft 6.3s 5s
OK Cesaroni G250 24.0oz 114ft/s 476ft/s 40.0G 849ft 5.9s 5s
warningsW Estes G40 23.3oz 61ft/s 288ft/s 10.3G 876ft 6.7s 4s
OK AeroTech G40 23.3oz 61ft/s 288ft/s 10.3G 876ft 6.7s 4s
OK AeroTech G79 24.5oz 66ft/s 362ft/s 12.9G 881ft 6.4s 5s
OK Cesaroni G83 24.1oz 70ft/s 369ft/s 13.9G 884ft 6.4s 5s
OK AeroTech G79 23.4oz 58ft/s 348ft/s 10.7G 899ft 6.6s 5s
OK Cesaroni G68 24.5oz 60ft/s 342ft/s 12.5G 906ft 6.6s 5s
OK Cesaroni G126 24.1oz 86ft/s 433ft/s 22.7G 916ft 6.2s 5s
OK Cesaroni G57 24.1oz 65ft/s 319ft/s 12.1G 925ft 6.7s 5s
OK AeroTech G76 24.2oz 86ft/s 348ft/s 21.4G 945ft 6.5s 5s
OK Cesaroni G131 26.1oz 79ft/s 445ft/s 19.4G 955ft 6.4s 5s
OK AeroTech G125 23.4oz 83ft/s 471ft/s 20.0G 964ft 6.3s 5s
OK AeroTech G75 23.6oz 68ft/s 371ft/s 14.3G 979ft 6.6s 5s
OK AeroTech G64 24.3oz 75ft/s 340ft/s 15.0G 983ft 6.7s 4s
OK AeroTech G78 23.4oz 69ft/s 403ft/s 14.1G 983ft 6.6s 5s
OK AeroTech G80 23.5oz 73ft/s 409ft/s 14.9G 1,026ft 6.6s 5s
OK Cesaroni G106 25.6oz 72ft/s 456ft/s 17.5G 1,047ft 6.7s 5s
OK KBA G135 27.0oz 76ft/s 486ft/s 18.0G 1,060ft 6.7s 6s
OK Cesaroni H410 25.4oz 148ft/s 672ft/s 68.7G 1,087ft 6.3s 6s
OK KBA G82 27.1oz 58ft/s 410ft/s 10.9G 1,102ft 7.1s 5s
OK AeroTech H165 26.1oz 92ft/s 535ft/s 24.4G 1,126ft 6.7s 6s
OK Cesaroni G125 25.9oz 85ft/s 499ft/s 21.5G 1,149ft 6.8s 6s
OK Cesaroni G118 25.6oz 76ft/s 495ft/s 20.9G 1,159ft 6.9s 5s
OK Cesaroni H163 25.6oz 95ft/s 558ft/s 29.5G 1,162ft 6.7s 6s
OK AeroTech G138 24.2oz 83ft/s 580ft/s 20.6G 1,166ft 6.7s 6s
OK Cesaroni H133 25.7oz 90ft/s 509ft/s 25.9G 1,167ft 6.8s 6s
OK AeroTech H238 25.9oz 104ft/s 583ft/s 29.9G 1,170ft 6.6s 6s
OK AeroTech G75 27.2oz 57ft/s 393ft/s 9.1G 1,170ft 7.4s 5s
OK AeroTech H128 26.3oz 92ft/s 531ft/s 23.1G 1,193ft 6.8s 5s
OK Cesaroni H90 24.7oz 79ft/s 453ft/s 21.6G 1,226ft 7.1s 5s
OK Cesaroni H87 26.2oz 71ft/s 444ft/s 16.6G 1,252ft 7.3s 5s
OK AeroTech H115 26.2oz 77ft/s 505ft/s 15.6G 1,254ft 7.1s 5s
OK Cesaroni G54 25.8oz 78ft/s 354ft/s 15.8G 1,280ft 7.6s 5s
OK Cesaroni H54 26.4oz 66ft/s 355ft/s 12.8G 1,341ft 7.9s 4s
OK AeroTech H182 26.3oz 91ft/s 647ft/s 23.9G 1,362ft 7.0s 6s
OK AeroTech H195 25.9oz 116ft/s 683ft/s 34.3G 1,415ft 6.9s 6s
warningsW,D Estes G80 23.4oz 12:1 thrust/weight ratio (no data)

W Motor total weight unknown, lift-off Weight not accurate.

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 (32ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (43ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (36ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (46ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (42ft/s)
failedG Estes F15 speed at end of launch guide too slow (30ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (43ft/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 (47ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (39ft/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 (4:1)
failedG AeroTech F26 speed at end of launch guide too slow (43ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (36ft/s)
failedG Apogee F10 speed at end of launch guide too slow (33ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (40ft/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.)

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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