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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 69 motors that fit and appear to have enough thrust (687 motors didn't fit, 46 motors failed safety checks). 113 motor had thrust curves available and 227 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:   Duke Nukem 38
Owner: Wayne Comfort
Body Diameter: 54.0mm
Dry Weight: 2.50lb
MMT Diameter: 29.0mm
MMT Length: 15.00in
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 Cesaroni F120 2.73lb 19m/s 41m/s 10.9G 87m 4.4s 4s
OK AeroTech F67 2.68lb 15m/s 43m/s 6.3G 106m 5.0s 4s
OK Cesaroni G88 2.84lb 15m/s 57m/s 8.2G 172m 6.3s 5s
OK AeroTech G104 2.80lb 18m/s 58m/s 8.8G 182m 6.3s 5s
OK AeroTech G74 2.69lb 15m/s 59m/s 6.7G 187m 6.6s 5s
OK AeroTech G79 2.85lb 15m/s 70m/s 6.9G 258m 7.7s 6s
OK Cesaroni G83 2.82lb 15m/s 70m/s 7.0G 261m 7.7s 6s
OK Cesaroni G250 2.81lb 26m/s 82m/s 22.3G 292m 7.7s 7s
OK AeroTech G76 2.82lb 19m/s 72m/s 11.0G 296m 8.0s 6s
OK AeroTech G64 2.83lb 16m/s 71m/s 7.6G 303m 8.3s 6s
OK Cesaroni G126 2.82lb 19m/s 81m/s 11.7G 309m 8.0s 7s
OK AeroTech G75 2.79lb 15m/s 77m/s 7.1G 318m 8.4s 6s
OK AeroTech G78 2.78lb 15m/s 80m/s 7.3G 332m 8.5s 7s
OK Cesaroni G131 2.94lb 18m/s 85m/s 11.0G 333m 8.4s 7s
OK AeroTech G125 2.78lb 18m/s 90m/s 11.6G 357m 8.6s 8s
OK AeroTech G80 2.78lb 16m/s 84m/s 7.5G 363m 8.8s 7s
OK Cesaroni G106 2.91lb 15m/s 91m/s 9.1G 384m 9.0s 8s
OK KBA G135 3.00lb 17m/s 97m/s 11.1G 404m 9.1s 8s
OK Cesaroni G54 2.93lb 17m/s 86m/s 8.3G 467m 10.3s 7s
OK Cesaroni G118 2.91lb 17m/s 106m/s 11.0G 483m 10.0s 9s
OK Cesaroni G125 2.93lb 19m/s 107m/s 11.4G 483m 9.9s 9s
OK AeroTech H165 2.94lb 21m/s 111m/s 13.8G 492m 9.9s 9s
OK Cesaroni H175 3.04lb 21m/s 113m/s 16.9G 503m 9.9s 9s
OK Cesaroni H133 2.92lb 20m/s 109m/s 13.8G 503m 10.1s 9s
OK Cesaroni H87 2.95lb 15m/s 105m/s 8.8G 510m 10.5s 9s
OK Cesaroni H90 2.86lb 17m/s 106m/s 11.2G 513m 10.3s 9s
OK Cesaroni H163 2.91lb 21m/s 115m/s 15.8G 524m 10.2s 9s
OK AeroTech H128 2.95lb 21m/s 115m/s 13.0G 537m 10.3s 9s
OK Cesaroni H410 2.90lb 34m/s 124m/s 39.9G 537m 10.0s 10s
OK AeroTech G138 2.83lb 19m/s 119m/s 14.2G 539m 10.3s 9s
OK Cesaroni H123 3.00lb 17m/s 114m/s 9.7G 543m 10.5s 9s
OK AeroTech H238 2.93lb 24m/s 121m/s 17.5G 552m 10.3s 9s
OK AeroTech H115 2.95lb 17m/s 116m/s 8.6G 561m 10.7s 9s
OK AeroTech H97 3.11lb 15m/s 113m/s 7.0G 567m 11.0s 9s
OK Cesaroni H118 3.01lb 19m/s 119m/s 11.7G 591m 10.8s 9s
OK KBA H130 4.06lb 18m/s 115m/s 11.2G 622m 11.4s 9s
OK Cesaroni H237 3.15lb 23m/s 139m/s 20.8G 662m 11.1s 10s
OK AeroTech H220 3.05lb 25m/s 140m/s 21.6G 674m 11.2s 10s
OK Cesaroni H151 3.02lb 22m/s 135m/s 14.1G 680m 11.4s 10s
OK AeroTech H210 3.04lb 24m/s 142m/s 18.5G 690m 11.3s 10s
OK Cesaroni H135 3.05lb 20m/s 138m/s 11.2G 715m 11.8s 10s
OK Cesaroni H160 3.10lb 20m/s 143m/s 12.4G 720m 11.7s 10s
OK Cesaroni H170 3.01lb 23m/s 143m/s 16.7G 724m 11.6s 10s
OK AeroTech H182 2.96lb 21m/s 149m/s 13.8G 737m 11.7s 11s
OK AeroTech H180 3.06lb 24m/s 150m/s 18.0G 759m 11.8s 10s
OK AeroTech H250 3.06lb 27m/s 157m/s 22.8G 777m 11.8s 11s
OK AeroTech H135 2.97lb 18m/s 142m/s 10.7G 778m 12.2s 10s
OK KBA H225 3.20lb 21m/s 158m/s 18.5G 798m 12.1s 11s
OK AeroTech H195 2.93lb 26m/s 164m/s 18.5G 826m 12.1s 11s
OK Cesaroni H295 3.25lb 27m/s 166m/s 25.6G 829m 12.1s 11s
OK Cesaroni H180 3.19lb 23m/s 161m/s 18.1G 856m 12.5s 11s
OK Cesaroni H194 3.13lb 23m/s 165m/s 19.3G 865m 12.4s 11s
OK Cesaroni H200 3.10lb 24m/s 168m/s 20.0G 886m 12.6s 11s
OK Cesaroni H140 3.11lb 23m/s 161m/s 16.7G 912m 12.9s 11s
OK Cesaroni H340 3.36lb 30m/s 184m/s 28.7G 939m 12.7s 12s
OK Cesaroni H255 3.01lb 28m/s 184m/s 27.1G 946m 12.7s 12s
OK Cesaroni H399 3.15lb 35m/s 192m/s 38.0G 961m 12.7s 12s
OK Cesaroni H159 3.26lb 20m/s 179m/s 12.0G 1,005m 13.5s 12s
OK Cesaroni H226 3.29lb 27m/s 186m/s 22.9G 1,017m 13.2s 12s
OK AeroTech H268 3.29lb 27m/s 194m/s 21.7G 1,031m 13.3s 12s
OK Cesaroni H233 3.22lb 27m/s 194m/s 22.7G 1,053m 13.4s 12s
OK Cesaroni H160 3.20lb 26m/s 181m/s 21.2G 1,060m 13.6s 11s
OK Cesaroni H255 3.20lb 28m/s 201m/s 28.0G 1,076m 13.5s 12s
OK AeroTech I200 3.29lb 25m/s 192m/s 19.7G 1,089m 13.7s 12s
OK Cesaroni I204 3.27lb 27m/s 206m/s 23.6G 1,167m 14.0s 12s
OK AeroTech I205 3.19lb 24m/s 210m/s 24.6G 1,178m 14.0s 12s
OK Cesaroni I224 3.32lb 30m/s 220m/s 28.4G 1,268m 14.4s 13s
OK Cesaroni I243 3.38lb 29m/s 223m/s 28.0G 1,269m 14.4s 13s
warningsW,D Estes G80 2.78lb 6:1 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 (5m/s)
failedG AeroTech E23 speed at end of launch guide too slow (8m/s)
failedG AeroTech E16 speed at end of launch guide too slow (7m/s)
failedG AeroTech F23 speed at end of launch guide too slow (9m/s)
failedG Cesaroni F36 speed at end of launch guide too slow (9m/s)
failedG AeroTech F27 speed at end of launch guide too slow (9m/s)
failedG Estes F15 speed at end of launch guide too slow (4m/s)
failedG AeroTech F37 speed at end of launch guide too slow (9m/s)
failedG AeroTech F62 speed at end of launch guide too slow (12m/s)
failedG Cesaroni F36 speed at end of launch guide too slow (9m/s)
failedG AeroTech F20 speed at end of launch guide too slow (9m/s)
failedG Cesaroni F32 speed at end of launch guide too slow (8m/s)
failedG AeroTech F42 speed at end of launch guide too slow (12m/s)
failedG Cesaroni F29 speed at end of launch guide too slow (8m/s)
failedG Cesaroni F31 speed at end of launch guide too slow (8m/s)
failedG Cesaroni F59 speed at end of launch guide too slow (13m/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (2:1)
failedG AeroTech F26 speed at end of launch guide too slow (8m/s)
failedG AeroTech F22 speed at end of launch guide too slow (7m/s)
failedG AeroTech F52 speed at end of launch guide too slow (14m/s)
failedG Apogee F10 speed at end of launch guide too slow (5m/s)
failedG AeroTech F50 speed at end of launch guide too slow (13m/s)
failedG Estes F50 speed at end of launch guide too slow (14m/s)
failedG AeroTech F25 speed at end of launch guide too slow (11m/s)
failedG AeroTech F40 speed at end of launch guide too slow (12m/s)
failedG AeroTech G54 speed at end of launch guide too slow (13m/s)
failedG AeroTech G38 speed at end of launch guide too slow (10m/s)
failedG AeroTech G53 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G80 speed at end of launch guide too slow (14m/s)
failedG Estes G40 speed at end of launch guide too slow (13m/s)
failedG AeroTech G77 speed at end of launch guide too slow (14m/s)
failedG AeroTech G77 speed at end of launch guide too slow (13m/s)
failedG Cesaroni G57 speed at end of launch guide too slow (14m/s)
failedG Cesaroni G68 speed at end of launch guide too slow (13m/s)
failedG AeroTech G79 speed at end of launch guide too slow (13m/s)
failedG AeroTech G40 speed at end of launch guide too slow (13m/s)
failedG AeroTech G25 speed at end of launch guide too slow (9m/s)
failedG AeroTech G75 speed at end of launch guide too slow (13m/s)
failed5 AeroTech G8 average thrust fails 5:1 thrust/weight ratio (1:1)
failedG AeroTech G11 speed at end of launch guide too slow (6m/s)
failedG AeroTech G12 speed at end of launch guide too slow (6m/s)
failedG KBA G82 speed at end of launch guide too slow (13m/s)
failedG Cesaroni G33 speed at end of launch guide too slow (8m/s)
failedG Cesaroni H54 speed at end of launch guide too slow (14m/s)
failedG Cesaroni H42 speed at end of launch guide too slow (10m/s)
failedG Cesaroni H53 speed at end of launch guide too slow (13m/s)

G These simulations were run with a launch guide length of 2m (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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