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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 76 motors that fit and appear to have enough thrust (693 motors didn't fit, 42 motors failed safety checks). 116 motor had thrust curves available and 232 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:   Astrobee D with fin can
Owner: John Cummings
Body Diameter: 2.60in
Dry Weight: 2.25lb
MMT Diameter: 29.0mm
MMT Length: 18.00in
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 Cesaroni F120 2.48lb 65ft/s 148ft/s 12.0G 320ft 4.6s 4s
OK AeroTech F67 2.43lb 51ft/s 155ft/s 7.0G 385ft 5.1s 4s
OK Estes F50 2.44lb 48ft/s 178ft/s 6.3G 537ft 6.1s 5s
OK Cesaroni G88 2.59lb 51ft/s 203ft/s 9.1G 588ft 6.2s 5s
OK AeroTech G104 2.55lb 61ft/s 208ft/s 9.7G 615ft 6.2s 5s
OK AeroTech G74 2.44lb 50ft/s 212ft/s 7.4G 635ft 6.5s 5s
OK AeroTech G53 2.57lb 50ft/s 193ft/s 6.5G 659ft 6.8s 5s
OK Cesaroni G80 2.57lb 48ft/s 225ft/s 7.6G 703ft 6.8s 6s
OK AeroTech G77 2.52lb 50ft/s 246ft/s 7.8G 804ft 7.2s 6s
OK AeroTech G79 2.60lb 52ft/s 246ft/s 7.6G 835ft 7.4s 6s
OK Cesaroni G83 2.57lb 53ft/s 249ft/s 7.8G 842ft 7.3s 6s
OK Cesaroni G250 2.56lb 87ft/s 295ft/s 24.4G 905ft 7.2s 7s
OK AeroTech G76 2.57lb 66ft/s 250ft/s 12.2G 937ft 7.6s 6s
OK AeroTech G75 2.54lb 55ft/s 274ft/s 8.2G 950ft 7.7s 6s
OK Cesaroni G126 2.57lb 66ft/s 288ft/s 12.9G 958ft 7.5s 7s
OK AeroTech G64 2.58lb 55ft/s 246ft/s 8.4G 961ft 7.8s 5s
OK Cesaroni G131 2.69lb 62ft/s 301ft/s 11.5G 1,020ft 7.8s 7s
OK AeroTech G78 2.53lb 52ft/s 281ft/s 8.1G 1,025ft 8.0s 6s
OK AeroTech G125 2.53lb 64ft/s 317ft/s 12.5G 1,075ft 7.9s 7s
OK AeroTech G80 2.53lb 55ft/s 293ft/s 8.3G 1,102ft 8.2s 7s
OK Cesaroni G106 2.66lb 53ft/s 321ft/s 10.1G 1,152ft 8.3s 7s
OK KBA G135 2.75lb 57ft/s 339ft/s 11.9G 1,197ft 8.3s 7s
OK Cesaroni G125 2.68lb 66ft/s 370ft/s 12.6G 1,380ft 8.8s 8s
OK Cesaroni G118 2.66lb 59ft/s 367ft/s 12.2G 1,382ft 8.9s 7s
OK Cesaroni G54 2.68lb 58ft/s 287ft/s 9.2G 1,384ft 9.4s 6s
OK AeroTech H165 2.69lb 72ft/s 385ft/s 15.0G 1,390ft 8.7s 8s
OK Cesaroni H175 2.79lb 70ft/s 395ft/s 17.6G 1,414ft 8.8s 8s
OK Cesaroni H133 2.67lb 68ft/s 379ft/s 15.1G 1,423ft 8.9s 8s
OK RATT H70 3.03lb 58ft/s 316ft/s 9.1G 1,439ft 9.4s 7s
OK Cesaroni H54 2.71lb 50ft/s 297ft/s 7.4G 1,452ft 9.7s 6s
OK Cesaroni H90 2.61lb 60ft/s 362ft/s 12.4G 1,459ft 9.2s 7s
OK Cesaroni H163 2.66lb 73ft/s 402ft/s 17.3G 1,462ft 8.9s 8s
OK Cesaroni H87 2.70lb 53ft/s 357ft/s 9.7G 1,462ft 9.3s 7s
OK Cesaroni H410 2.65lb 117ft/s 441ft/s 43.4G 1,464ft 8.6s 8s
OK AeroTech G138 2.58lb 64ft/s 416ft/s 14.5G 1,490ft 9.0s 8s
OK AeroTech H128 2.70lb 72ft/s 398ft/s 14.2G 1,493ft 9.0s 8s
OK AeroTech H238 2.68lb 81ft/s 420ft/s 19.0G 1,516ft 8.9s 8s
OK Cesaroni H123 2.75lb 58ft/s 395ft/s 10.4G 1,518ft 9.3s 8s
OK AeroTech H115 2.70lb 59ft/s 396ft/s 9.3G 1,557ft 9.4s 8s
OK AeroTech H97 2.86lb 53ft/s 383ft/s 7.7G 1,592ft 9.7s 8s
OK Cesaroni H118 2.76lb 65ft/s 404ft/s 12.8G 1,622ft 9.4s 8s
OK Cesaroni H237 2.90lb 84ft/s 483ft/s 21.3G 1,751ft 9.5s 9s
OK KBA H130 3.81lb 60ft/s 385ft/s 12.0G 1,769ft 10.2s 8s
OK AeroTech H220 2.80lb 87ft/s 482ft/s 23.6G 1,776ft 9.5s 9s
OK Cesaroni H151 2.77lb 74ft/s 459ft/s 15.5G 1,802ft 9.7s 8s
OK AeroTech H210 2.79lb 81ft/s 490ft/s 19.8G 1,810ft 9.6s 9s
OK Cesaroni H135 2.80lb 67ft/s 465ft/s 12.3G 1,887ft 10.0s 8s
OK Cesaroni H170 2.76lb 78ft/s 486ft/s 18.3G 1,888ft 9.8s 8s
OK Cesaroni H160 2.85lb 69ft/s 486ft/s 13.6G 1,889ft 9.9s 9s
OK AeroTech H182 2.71lb 71ft/s 511ft/s 14.9G 1,903ft 9.8s 9s
OK AeroTech H180 2.81lb 81ft/s 510ft/s 19.5G 1,952ft 9.9s 9s
OK AeroTech H250 2.81lb 99ft/s 539ft/s 24.8G 1,979ft 9.8s 9s
OK AeroTech H135 2.72lb 62ft/s 472ft/s 11.8G 2,026ft 10.3s 8s
OK KBA H225 2.95lb 71ft/s 543ft/s 19.6G 2,039ft 10.1s 9s
OK AeroTech H169 2.70lb 82ft/s 521ft/s 18.6G 2,052ft 10.0s 9s
OK AeroTech H195 2.68lb 87ft/s 556ft/s 20.3G 2,068ft 10.0s 9s
OK Cesaroni H295 3.00lb 91ft/s 573ft/s 25.9G 2,082ft 10.0s 9s
OK Cesaroni H180 2.94lb 79ft/s 540ft/s 19.7G 2,162ft 10.4s 9s
OK Cesaroni H194 2.88lb 83ft/s 553ft/s 21.1G 2,170ft 10.3s 9s
OK Cesaroni H200 2.85lb 86ft/s 562ft/s 21.9G 2,211ft 10.3s 9s
OK Cesaroni H140 2.86lb 78ft/s 530ft/s 18.3G 2,293ft 10.7s 9s
OK Cesaroni H340 3.11lb 106ft/s 631ft/s 31.1G 2,293ft 10.3s 9s
OK Cesaroni H255 2.76lb 94ft/s 621ft/s 29.6G 2,298ft 10.3s 9s
OK Cesaroni H399 2.90lb 117ft/s 661ft/s 41.4G 2,319ft 10.3s 10s
OK Cesaroni H226 3.04lb 88ft/s 617ft/s 24.9G 2,470ft 10.7s 9s
OK Cesaroni H159 3.01lb 67ft/s 584ft/s 13.0G 2,477ft 11.1s 9s
OK AeroTech H268 3.04lb 95ft/s 648ft/s 23.4G 2,489ft 10.7s 10s
OK Cesaroni H233 2.97lb 88ft/s 644ft/s 24.7G 2,530ft 10.8s 9s
OK Cesaroni H255 2.95lb 100ft/s 670ft/s 30.5G 2,565ft 10.8s 10s
OK Cesaroni H160 2.95lb 92ft/s 587ft/s 23.1G 2,583ft 11.0s 9s
OK AeroTech I200 3.04lb 89ft/s 628ft/s 21.5G 2,619ft 11.0s 9s
OK Cesaroni I204 3.02lb 95ft/s 666ft/s 25.6G 2,760ft 11.2s 9s
OK AeroTech I205 2.94lb 84ft/s 681ft/s 26.8G 2,771ft 11.1s 9s
OK Cesaroni I224 3.07lb 97ft/s 716ft/s 30.8G 2,952ft 11.3s 10s
OK Cesaroni I243 3.13lb 95ft/s 718ft/s 30.4G 2,953ft 11.4s 10s
warningsD Estes G80 2.53lb 7:1 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 (19ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (30ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (24ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (32ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (29ft/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 (32ft/s)
failedG AeroTech F62 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (33ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (28ft/s)
failedG AeroTech F42 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni F59 speed at end of launch guide too slow (43ft/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 (29ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (25ft/s)
failedG AeroTech F52 speed at end of launch guide too slow (47ft/s)
failedG Apogee F10 speed at end of launch guide too slow (20ft/s)
failedG AeroTech F50 speed at end of launch guide too slow (46ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (39ft/s)
failedG AeroTech F40 speed at end of launch guide too slow (42ft/s)
failedG AeroTech G54 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (36ft/s)
failedG Estes G40 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G77 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G72 speed at end of launch guide too slow (48ft/s)
failedG Cesaroni G57 speed at end of launch guide too slow (48ft/s)
failedG Cesaroni G68 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G79 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G40 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (31ft/s)
failedG AeroTech G75 speed at end of launch guide too slow (44ft/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 (21ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (22ft/s)
failedG KBA G82 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni H53 speed at end of launch guide too slow (44ft/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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