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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 (694 motors didn't fit, 26 motors failed safety checks). 95 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:   Cricket
Owner: Stephen Peterangelo
Body Diameter: 4.00in
Dry Weight: 30.0oz
MMT Diameter: 29.0mm
MMT Length: 12.00in
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 Cesaroni F120 33.7oz 69ft/s 175ft/s 14.2G 370ft 4.8s 4s
OK AeroTech F42 32.7oz 49ft/s 146ft/s 6.6G 370ft 5.0s 4s
OK Cesaroni F59 33.5oz 49ft/s 161ft/s 6.6G 375ft 5.0s 4s
OK AeroTech F50 33.0oz 51ft/s 187ft/s 6.9G 499ft 5.7s 4s
OK AeroTech F52 34.3oz 53ft/s 187ft/s 7.3G 520ft 5.8s 4s
warningsW Estes F50 32.9oz 51ft/s 205ft/s 7.5G 581ft 6.0s 5s
OK AeroTech G54 34.8oz 50ft/s 204ft/s 7.4G 589ft 6.1s 5s
OK Cesaroni G88 35.4oz 55ft/s 235ft/s 10.8G 617ft 6.1s 5s
OK AeroTech G104 34.8oz 66ft/s 239ft/s 11.6G 637ft 6.1s 5s
OK AeroTech G74 33.1oz 55ft/s 245ft/s 8.7G 658ft 6.3s 5s
OK AeroTech G53 35.1oz 55ft/s 217ft/s 7.8G 688ft 6.6s 5s
OK Cesaroni G80 35.1oz 52ft/s 258ft/s 9.1G 714ft 6.5s 5s
OK AeroTech G77 35.8oz 49ft/s 267ft/s 7.9G 768ft 6.8s 5s
OK AeroTech G77 34.3oz 52ft/s 279ft/s 9.0G 791ft 6.8s 5s
OK AeroTech G79 35.5oz 57ft/s 276ft/s 8.9G 819ft 6.9s 5s
OK Cesaroni G83 35.1oz 58ft/s 281ft/s 9.3G 824ft 6.9s 6s
OK Cesaroni G68 35.5oz 50ft/s 266ft/s 8.3G 829ft 7.0s 5s
OK AeroTech G79 34.4oz 48ft/s 269ft/s 7.3G 830ft 7.1s 5s
OK Cesaroni G57 35.1oz 52ft/s 253ft/s 8.0G 840ft 7.2s 5s
OK Cesaroni G250 35.0oz 96ft/s 340ft/s 28.3G 845ft 6.6s 6s
OK AeroTech G76 35.2oz 70ft/s 274ft/s 14.4G 897ft 7.0s 5s
OK Cesaroni G126 35.1oz 70ft/s 326ft/s 15.3G 898ft 6.9s 6s
OK AeroTech G64 35.3oz 62ft/s 269ft/s 10.0G 925ft 7.3s 5s
OK AeroTech G75 34.6oz 55ft/s 296ft/s 9.5G 941ft 7.3s 5s
OK Cesaroni G131 37.1oz 65ft/s 338ft/s 13.3G 944ft 7.1s 6s
OK AeroTech G78 34.4oz 56ft/s 313ft/s 9.5G 958ft 7.3s 6s
OK AeroTech G125 34.4oz 67ft/s 357ft/s 14.3G 977ft 7.1s 6s
OK AeroTech G80 34.5oz 60ft/s 323ft/s 9.8G 1,015ft 7.4s 6s
OK Cesaroni G106 36.6oz 57ft/s 357ft/s 11.9G 1,048ft 7.5s 6s
OK KBA G135 38.0oz 63ft/s 378ft/s 13.4G 1,075ft 7.5s 6s
OK KBA G82 38.1oz 50ft/s 331ft/s 7.8G 1,080ft 7.8s 6s
OK AeroTech G75 38.2oz 48ft/s 326ft/s 6.3G 1,145ft 8.2s 6s
OK AeroTech H165 37.1oz 76ft/s 424ft/s 17.2G 1,195ft 7.6s 7s
OK Cesaroni G125 36.9oz 69ft/s 403ft/s 14.8G 1,200ft 7.7s 6s
OK Cesaroni G118 36.6oz 66ft/s 400ft/s 14.3G 1,205ft 7.8s 6s
OK Cesaroni H175 38.7oz 77ft/s 437ft/s 18.7G 1,211ft 7.6s 7s
OK Cesaroni H410 36.4oz 125ft/s 500ft/s 49.8G 1,213ft 7.4s 7s
OK Cesaroni H133 36.7oz 75ft/s 412ft/s 17.8G 1,227ft 7.8s 6s
OK Cesaroni H163 36.6oz 80ft/s 443ft/s 20.3G 1,244ft 7.7s 7s
OK Cesaroni G54 36.8oz 63ft/s 299ft/s 10.8G 1,257ft 8.4s 5s
OK AeroTech G138 35.2oz 67ft/s 459ft/s 15.8G 1,258ft 7.7s 7s
OK Cesaroni H90 35.7oz 67ft/s 384ft/s 14.6G 1,269ft 8.0s 6s
OK AeroTech H128 37.3oz 76ft/s 432ft/s 16.4G 1,270ft 7.8s 6s
OK AeroTech H238 36.9oz 89ft/s 461ft/s 21.6G 1,271ft 7.7s 7s
OK Cesaroni H87 37.2oz 57ft/s 378ft/s 11.4G 1,282ft 8.2s 6s
OK Cesaroni H123 38.0oz 65ft/s 428ft/s 12.2G 1,299ft 8.1s 7s
OK Cesaroni H54 37.4oz 55ft/s 307ft/s 8.7G 1,316ft 8.7s 5s
OK AeroTech H115 37.2oz 63ft/s 422ft/s 10.8G 1,327ft 8.1s 6s
OK Cesaroni H118 38.2oz 71ft/s 427ft/s 15.0G 1,374ft 8.2s 7s
OK AeroTech H97 39.8oz 56ft/s 403ft/s 8.8G 1,374ft 8.5s 6s
OK Cesaroni H237 40.4oz 91ft/s 528ft/s 23.0G 1,426ft 8.0s 7s
OK AeroTech H220 38.8oz 94ft/s 524ft/s 27.4G 1,442ft 8.0s 7s
OK AeroTech H210 38.7oz 87ft/s 530ft/s 22.2G 1,466ft 8.1s 7s
OK Cesaroni H151 38.4oz 81ft/s 485ft/s 18.1G 1,479ft 8.2s 7s
OK Cesaroni H170 38.2oz 85ft/s 519ft/s 21.4G 1,527ft 8.2s 7s
OK AeroTech H182 37.3oz 78ft/s 545ft/s 16.9G 1,528ft 8.2s 7s
OK Cesaroni H160 39.6oz 76ft/s 516ft/s 15.8G 1,538ft 8.4s 7s
OK Cesaroni H135 38.9oz 74ft/s 485ft/s 14.3G 1,548ft 8.5s 7s
OK KBA H130 55.0oz 63ft/s 403ft/s 13.4G 1,548ft 9.0s 7s
OK AeroTech H180 38.9oz 86ft/s 541ft/s 22.3G 1,564ft 8.3s 7s
OK AeroTech H250 39.0oz 106ft/s 577ft/s 28.7G 1,568ft 8.2s 7s
OK AeroTech H195 36.9oz 95ft/s 585ft/s 23.8G 1,622ft 8.3s 7s
OK KBA H225 41.1oz 76ft/s 583ft/s 21.4G 1,624ft 8.5s 7s
OK AeroTech H135 37.5oz 68ft/s 485ft/s 13.7G 1,652ft 8.7s 7s
OK Cesaroni H194 40.0oz 89ft/s 577ft/s 24.4G 1,710ft 8.5s 7s
OK Cesaroni H200 39.7oz 93ft/s 585ft/s 25.3G 1,735ft 8.5s 7s
OK Cesaroni H53 40.1oz 48ft/s 363ft/s 7.4G 1,756ft 10.0s 6s
OK Cesaroni H255 38.2oz 106ft/s 654ft/s 34.4G 1,767ft 8.4s 7s
OK Cesaroni H140 39.8oz 85ft/s 538ft/s 21.2G 1,822ft 8.9s 7s
OK AeroTech I205 41.1oz 90ft/s 680ft/s 30.9G 2,103ft 9.0s 7s
warningsW,D Estes G80 34.4oz 8:1 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 (23ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (33ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (27ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (36ft/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 (20ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (36ft/s)
failedG AeroTech F62 speed at end of launch guide too slow (46ft/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 (37ft/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 (3:1)
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 (24ft/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 Estes G40 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G40 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (35ft/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 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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