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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 (717 motors didn't fit, 25 motors failed safety checks). 92 motor had thrust curves available and 184 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:   CALLISTO
Owner: David A Smith
Body Diameter: 2.10in
Dry Weight: 25.0oz
MMT Diameter: 29.0mm
MMT Length: 250.0mm
CD: 0.60

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 28.8oz 50ft/s 185ft/s 7.0G 556ft 6.2s 5s
OK Cesaroni F120 28.7oz 75ft/s 211ft/s 17.1G 617ft 6.2s 6s
OK AeroTech F42 27.7oz 52ft/s 188ft/s 7.9G 620ft 6.5s 5s
OK Cesaroni F59 28.5oz 54ft/s 201ft/s 7.9G 625ft 6.5s 6s
OK AeroTech F67 27.8oz 62ft/s 229ft/s 10.2G 754ft 7.0s 6s
OK AeroTech F50 28.0oz 56ft/s 239ft/s 8.3G 871ft 7.5s 6s
OK AeroTech F52 29.3oz 58ft/s 239ft/s 8.7G 898ft 7.7s 6s
OK AeroTech F40 29.5oz 51ft/s 235ft/s 7.3G 971ft 8.1s 6s
OK AeroTech G54 29.8oz 55ft/s 262ft/s 8.9G 1,037ft 8.2s 7s
OK Estes F50 28.0oz 56ft/s 266ft/s 9.2G 1,041ft 8.2s 7s
OK Cesaroni G88 30.4oz 60ft/s 291ft/s 12.8G 1,102ft 8.3s 7s
OK AeroTech G104 29.8oz 72ft/s 299ft/s 13.7G 1,148ft 8.3s 7s
OK AeroTech G74 28.1oz 60ft/s 312ft/s 10.8G 1,218ft 8.7s 8s
OK AeroTech G53 30.1oz 60ft/s 285ft/s 9.3G 1,238ft 8.9s 7s
OK Cesaroni G80 30.1oz 56ft/s 325ft/s 10.8G 1,311ft 9.0s 8s
OK AeroTech G40 29.3oz 52ft/s 302ft/s 8.0G 1,414ft 9.6s 7s
OK Estes G40 29.3oz 52ft/s 303ft/s 8.0G 1,415ft 9.6s 7s
OK AeroTech G77 30.8oz 53ft/s 338ft/s 9.9G 1,422ft 9.4s 8s
OK AeroTech G77 29.3oz 57ft/s 358ft/s 11.3G 1,504ft 9.5s 8s
OK AeroTech G79 30.5oz 61ft/s 355ft/s 10.8G 1,540ft 9.7s 8s
OK Cesaroni G68 30.5oz 54ft/s 347ft/s 9.8G 1,547ft 9.8s 8s
OK Cesaroni G83 30.1oz 62ft/s 360ft/s 11.0G 1,554ft 9.7s 8s
OK AeroTech G72 29.6oz 54ft/s 365ft/s 11.7G 1,556ft 9.8s 8s
OK Cesaroni G57 30.1oz 57ft/s 337ft/s 9.5G 1,565ft 9.9s 8s
OK AeroTech G79 29.4oz 53ft/s 354ft/s 9.1G 1,574ft 9.9s 8s
OK Cesaroni G250 30.0oz 104ft/s 413ft/s 34.1G 1,650ft 9.5s 9s
OK AeroTech G76 30.2oz 78ft/s 362ft/s 17.0G 1,707ft 10.0s 8s
OK Cesaroni G126 30.1oz 78ft/s 410ft/s 18.0G 1,746ft 9.9s 9s
OK AeroTech G75 29.7oz 64ft/s 397ft/s 11.7G 1,748ft 10.1s 9s
OK AeroTech G64 30.3oz 67ft/s 359ft/s 11.9G 1,755ft 10.2s 8s
OK Cesaroni G131 32.1oz 72ft/s 422ft/s 16.4G 1,832ft 10.2s 9s
OK AeroTech G78 29.4oz 61ft/s 409ft/s 11.5G 1,880ft 10.4s 9s
OK AeroTech G125 29.4oz 75ft/s 454ft/s 17.9G 1,958ft 10.4s 9s
OK AeroTech G80 29.5oz 64ft/s 427ft/s 11.7G 2,009ft 10.7s 9s
OK Cesaroni G106 31.6oz 64ft/s 456ft/s 13.9G 2,073ft 10.9s 10s
OK KBA G82 33.1oz 54ft/s 430ft/s 10.2G 2,093ft 11.2s 9s
OK KBA G135 33.0oz 66ft/s 473ft/s 16.5G 2,131ft 10.9s 10s
OK AeroTech G75 33.2oz 52ft/s 438ft/s 7.8G 2,227ft 11.6s 9s
OK Cesaroni G125 31.9oz 76ft/s 523ft/s 17.2G 2,449ft 11.5s 10s
OK Cesaroni G118 31.6oz 70ft/s 521ft/s 16.8G 2,458ft 11.6s 10s
OK AeroTech H165 32.1oz 83ft/s 541ft/s 20.7G 2,462ft 11.4s 10s
OK Cesaroni G54 31.8oz 66ft/s 423ft/s 12.7G 2,466ft 12.0s 9s
OK Cesaroni H175 33.7oz 84ft/s 547ft/s 24.8G 2,486ft 11.4s 10s
OK Cesaroni H133 31.7oz 77ft/s 536ft/s 20.8G 2,522ft 11.6s 10s
OK Cesaroni H54 32.4oz 59ft/s 439ft/s 10.2G 2,580ft 12.4s 9s
OK Cesaroni H410 31.4oz 132ft/s 609ft/s 59.9G 2,589ft 11.3s 11s
OK Cesaroni H163 31.6oz 82ft/s 566ft/s 23.7G 2,589ft 11.6s 11s
OK Cesaroni H87 32.2oz 64ft/s 514ft/s 13.3G 2,594ft 12.0s 10s
OK Cesaroni H90 30.7oz 71ft/s 523ft/s 17.2G 2,597ft 11.9s 10s
OK AeroTech H128 32.3oz 81ft/s 560ft/s 19.5G 2,631ft 11.7s 10s
OK AeroTech G138 30.2oz 75ft/s 592ft/s 21.0G 2,656ft 11.7s 11s
OK AeroTech H238 31.9oz 96ft/s 587ft/s 26.2G 2,671ft 11.6s 11s
OK Cesaroni H123 33.0oz 68ft/s 555ft/s 14.4G 2,671ft 12.0s 10s
OK AeroTech H115 32.2oz 66ft/s 566ft/s 13.0G 2,745ft 12.1s 10s
OK AeroTech H97 34.8oz 62ft/s 542ft/s 10.5G 2,781ft 12.4s 10s
OK Cesaroni H118 33.2oz 78ft/s 571ft/s 17.4G 2,839ft 12.2s 11s
OK AeroTech H220 33.8oz 101ft/s 666ft/s 31.7G 3,089ft 12.3s 11s
OK Cesaroni H151 33.4oz 82ft/s 643ft/s 20.9G 3,137ft 12.5s 11s
OK AeroTech H210 33.7oz 94ft/s 679ft/s 27.2G 3,154ft 12.4s 11s
OK Cesaroni H135 33.9oz 76ft/s 656ft/s 16.6G 3,276ft 12.9s 11s
OK Cesaroni H170 33.2oz 92ft/s 679ft/s 24.8G 3,281ft 12.7s 11s
OK AeroTech H182 32.3oz 85ft/s 721ft/s 20.7G 3,319ft 12.7s 11s
OK AeroTech H180 33.9oz 93ft/s 710ft/s 26.5G 3,379ft 12.8s 11s
OK AeroTech H250 34.0oz 113ft/s 745ft/s 33.4G 3,430ft 12.7s 12s
OK AeroTech H135 32.5oz 75ft/s 673ft/s 16.1G 3,523ft 13.3s 11s
OK AeroTech H169 32.1oz 96ft/s 738ft/s 25.4G 3,553ft 12.9s 11s
OK AeroTech H195 31.9oz 102ft/s 785ft/s 27.6G 3,586ft 12.9s 12s
OK Cesaroni H255 33.2oz 112ft/s 866ft/s 39.8G 3,966ft 13.3s 12s
warningsD Estes G80 29.5oz 9:1 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 (27ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (38ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (31ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (40ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (37ft/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 (39ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (39ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (37ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (3:1)
failedG AeroTech F26 speed at end of launch guide too slow (36ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (31ft/s)
failedG Apogee F10 speed at end of launch guide too slow (28ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (38ft/s)
failedG AeroTech G8 speed at end of launch guide too slow (8ft/s)
failedG AeroTech G11 speed at end of launch guide too slow (28ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (42ft/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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