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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 71 motors that fit and appear to have enough thrust (697 motors didn't fit, 23 motors failed safety checks). 92 motor had thrust curves available and 181 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:   Stealth nuke sled
Owner: Brad bridson
Body Diameter: 2.56in
Dry Weight: 38.3oz
MMT Diameter: 29.0mm
MMT Length: 11.00in
CD: 0.40

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 42.1oz 48ft/s 118ft/s 4.5G 268ft 4.5s 4s
OK AeroTech F42 41.0oz 48ft/s 117ft/s 5.0G 295ft 4.8s 3s
OK Cesaroni F59 41.8oz 50ft/s 128ft/s 5.1G 305ft 4.8s 4s
OK Cesaroni F120 42.0oz 74ft/s 140ft/s 11.4G 313ft 4.6s 4s
OK AeroTech F50 41.3oz 51ft/s 153ft/s 5.3G 445ft 5.7s 4s
OK AeroTech F52 42.6oz 53ft/s 155ft/s 5.7G 469ft 5.9s 4s
warningsW Estes F50 41.2oz 55ft/s 171ft/s 5.9G 552ft 6.3s 5s
OK AeroTech G54 43.1oz 54ft/s 171ft/s 5.8G 559ft 6.4s 5s
OK Cesaroni G88 43.7oz 58ft/s 194ft/s 8.6G 618ft 6.5s 6s
OK AeroTech G104 43.1oz 68ft/s 200ft/s 9.2G 653ft 6.6s 6s
OK AeroTech G74 41.4oz 58ft/s 203ft/s 7.0G 675ft 6.9s 6s
OK AeroTech G53 43.4oz 54ft/s 188ft/s 6.1G 696ft 7.1s 5s
OK Cesaroni G80 43.4oz 55ft/s 217ft/s 7.2G 758ft 7.3s 6s
warningsW Estes G40 42.6oz 48ft/s 197ft/s 5.2G 799ft 7.7s 5s
OK AeroTech G40 42.6oz 48ft/s 197ft/s 5.2G 799ft 7.7s 5s
OK AeroTech G77 44.1oz 52ft/s 227ft/s 6.7G 837ft 7.7s 6s
OK AeroTech G77 42.6oz 55ft/s 238ft/s 7.5G 893ft 7.9s 7s
OK Cesaroni G68 43.8oz 51ft/s 232ft/s 6.5G 921ft 8.1s 6s
OK Cesaroni G57 43.4oz 54ft/s 225ft/s 6.3G 927ft 8.2s 6s
OK AeroTech G79 43.8oz 58ft/s 239ft/s 7.3G 931ft 8.0s 7s
OK AeroTech G79 42.7oz 51ft/s 235ft/s 6.0G 933ft 8.2s 6s
OK Cesaroni G83 43.4oz 59ft/s 242ft/s 7.3G 940ft 8.0s 7s
OK Cesaroni G250 43.3oz 101ft/s 282ft/s 23.2G 1,053ft 8.0s 8s
OK AeroTech G76 43.5oz 71ft/s 247ft/s 11.5G 1,068ft 8.4s 6s
OK AeroTech G64 43.6oz 61ft/s 244ft/s 7.9G 1,094ft 8.6s 6s
OK Cesaroni G126 43.4oz 75ft/s 279ft/s 12.2G 1,112ft 8.4s 7s
OK AeroTech G75 42.9oz 59ft/s 265ft/s 7.4G 1,149ft 8.8s 7s
OK Cesaroni G131 45.4oz 70ft/s 292ft/s 11.5G 1,198ft 8.8s 8s
OK AeroTech G78 42.7oz 58ft/s 276ft/s 7.6G 1,202ft 9.0s 7s
OK AeroTech G125 42.7oz 70ft/s 308ft/s 12.2G 1,291ft 9.0s 8s
OK AeroTech G80 42.8oz 61ft/s 290ft/s 7.8G 1,312ft 9.3s 8s
OK Cesaroni G106 44.9oz 60ft/s 314ft/s 9.5G 1,386ft 9.5s 8s
OK KBA G82 46.4oz 52ft/s 300ft/s 7.1G 1,392ft 9.8s 8s
OK KBA G135 46.3oz 66ft/s 331ft/s 11.5G 1,456ft 9.6s 9s
OK AeroTech G75 46.5oz 49ft/s 305ft/s 5.3G 1,492ft 10.2s 8s
OK Cesaroni G54 45.1oz 64ft/s 298ft/s 8.7G 1,687ft 10.7s 8s
OK Cesaroni G118 44.9oz 68ft/s 364ft/s 11.5G 1,747ft 10.5s 9s
OK Cesaroni G125 45.2oz 73ft/s 366ft/s 11.9G 1,749ft 10.4s 9s
OK Cesaroni H54 45.7oz 56ft/s 310ft/s 7.0G 1,778ft 11.1s 8s
OK AeroTech H165 45.4oz 83ft/s 379ft/s 14.3G 1,781ft 10.4s 9s
OK Cesaroni H175 47.0oz 83ft/s 386ft/s 17.7G 1,817ft 10.5s 10s
OK Cesaroni H133 45.0oz 75ft/s 376ft/s 14.3G 1,820ft 10.6s 9s
OK Cesaroni H87 45.5oz 59ft/s 361ft/s 9.1G 1,848ft 11.0s 9s
OK Cesaroni H90 44.0oz 67ft/s 366ft/s 11.7G 1,860ft 10.9s 9s
OK Cesaroni H163 44.9oz 82ft/s 396ft/s 16.4G 1,900ft 10.7s 10s
OK AeroTech H128 45.6oz 80ft/s 395ft/s 13.5G 1,943ft 10.8s 10s
OK Cesaroni H410 44.7oz 130ft/s 425ft/s 41.6G 1,946ft 10.5s 10s
OK AeroTech G138 43.5oz 70ft/s 409ft/s 14.9G 1,956ft 10.8s 10s
OK Cesaroni H123 46.3oz 67ft/s 392ft/s 10.2G 1,964ft 11.0s 10s
OK AeroTech H238 45.2oz 93ft/s 414ft/s 18.2G 2,002ft 10.8s 10s
OK AeroTech H115 45.5oz 64ft/s 399ft/s 8.9G 2,034ft 11.2s 10s
OK AeroTech H97 48.1oz 59ft/s 388ft/s 7.3G 2,051ft 11.5s 9s
OK Cesaroni H118 46.5oz 72ft/s 409ft/s 12.1G 2,143ft 11.4s 10s
OK Cesaroni H237 48.7oz 95ft/s 476ft/s 21.8G 2,402ft 11.7s 11s
OK AeroTech H220 47.1oz 97ft/s 479ft/s 22.4G 2,447ft 11.8s 11s
OK Cesaroni H151 46.7oz 84ft/s 464ft/s 14.7G 2,468ft 12.0s 11s
OK AeroTech H210 47.0oz 93ft/s 487ft/s 19.3G 2,508ft 11.9s 11s
OK Cesaroni H135 47.2oz 74ft/s 475ft/s 11.6G 2,597ft 12.4s 11s
OK Cesaroni H160 47.9oz 77ft/s 489ft/s 13.0G 2,615ft 12.3s 11s
OK Cesaroni H170 46.5oz 88ft/s 490ft/s 17.4G 2,633ft 12.2s 11s
OK Cesaroni H53 48.4oz 49ft/s 394ft/s 6.0G 2,670ft 13.6s 9s
OK AeroTech H182 45.6oz 80ft/s 512ft/s 14.5G 2,685ft 12.4s 11s
OK AeroTech H180 47.2oz 91ft/s 514ft/s 18.7G 2,760ft 12.4s 11s
OK AeroTech H250 47.3oz 108ft/s 538ft/s 23.6G 2,828ft 12.5s 12s
OK AeroTech H135 45.8oz 72ft/s 491ft/s 11.2G 2,830ft 12.9s 11s
OK AeroTech H195 45.2oz 94ft/s 563ft/s 19.2G 3,015ft 12.8s 12s
OK Cesaroni H194 48.3oz 90ft/s 565ft/s 20.0G 3,150ft 13.1s 12s
OK Cesaroni H200 48.0oz 93ft/s 575ft/s 20.8G 3,230ft 13.3s 12s
OK Cesaroni H140 48.1oz 88ft/s 555ft/s 17.4G 3,322ft 13.6s 12s
OK Cesaroni H255 46.5oz 111ft/s 631ft/s 28.1G 3,457ft 13.4s 12s
warningsW,D Estes G80 42.7oz 7:1 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 (20ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (32ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (25ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (36ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (33ft/s)
failedG Estes F15 speed at end of launch guide too slow (16ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (36ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (33ft/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 (32ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (28ft/s)
failedG Apogee F10 speed at end of launch guide too slow (20ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (43ft/s)
failedG AeroTech F40 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (40ft/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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