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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 83 motors that fit and appear to have enough thrust (694 motors didn't fit, 14 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:   Cheetah
Owner: Nick Federico
Body Diameter: 1.90in
Dry Weight: 10.2oz
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 F36 13.9oz 52ft/s 326ft/s 19.6G 1,056ft 7.7s 7s
OK Cesaroni F36 13.8oz 48ft/s 367ft/s 10.2G 1,346ft 8.7s 7s
OK AeroTech F62 14.1oz 59ft/s 396ft/s 15.4G 1,387ft 8.6s 8s
OK AeroTech F23 13.2oz 51ft/s 342ft/s 12.3G 1,419ft 9.0s 7s
OK Cesaroni F120 14.0oz 84ft/s 446ft/s 36.1G 1,433ft 8.5s 8s
OK Cesaroni F59 13.7oz 64ft/s 430ft/s 17.5G 1,494ft 8.8s 8s
OK AeroTech F42 12.9oz 67ft/s 410ft/s 18.1G 1,510ft 8.8s 7s
OK AeroTech F20 13.1oz 53ft/s 364ft/s 12.2G 1,563ft 9.3s 7s
OK AeroTech F26 13.8oz 48ft/s 379ft/s 8.9G 1,654ft 9.7s 7s
OK AeroTech F50 13.2oz 69ft/s 503ft/s 18.7G 1,807ft 9.4s 8s
OK AeroTech F52 14.5oz 65ft/s 482ft/s 18.6G 1,852ft 9.6s 8s
OK AeroTech F25 13.4oz 61ft/s 427ft/s 14.5G 1,897ft 9.9s 7s
OK AeroTech F40 14.7oz 62ft/s 467ft/s 15.7G 1,982ft 10.1s 8s
warningsW Estes F50 13.2oz 66ft/s 547ft/s 20.3G 1,997ft 9.7s 8s
OK AeroTech G54 15.1oz 62ft/s 515ft/s 18.5G 2,009ft 10.0s 8s
OK Cesaroni G88 15.6oz 72ft/s 577ft/s 26.0G 2,031ft 9.8s 9s
OK AeroTech G104 15.0oz 84ft/s 587ft/s 28.1G 2,075ft 9.8s 9s
OK AeroTech G74 13.3oz 67ft/s 646ft/s 23.3G 2,156ft 9.9s 9s
OK AeroTech G38 14.7oz 53ft/s 491ft/s 11.9G 2,204ft 10.6s 8s
OK AeroTech G53 15.4oz 70ft/s 542ft/s 19.3G 2,223ft 10.3s 8s
OK Cesaroni G80 15.3oz 65ft/s 636ft/s 22.2G 2,271ft 10.3s 9s
OK AeroTech G77 16.1oz 60ft/s 646ft/s 19.0G 2,401ft 10.6s 9s
OK AeroTech G77 14.6oz 67ft/s 705ft/s 22.9G 2,415ft 10.3s 9s
warningsW Estes G40 14.6oz 63ft/s 570ft/s 17.0G 2,443ft 10.7s 8s
OK AeroTech G40 14.6oz 63ft/s 570ft/s 17.0G 2,443ft 10.7s 8s
OK Cesaroni G250 15.2oz 110ft/s 817ft/s 68.2G 2,486ft 10.2s 10s
OK AeroTech G79 15.8oz 69ft/s 668ft/s 21.6G 2,489ft 10.6s 9s
OK Cesaroni G83 15.4oz 73ft/s 683ft/s 22.5G 2,510ft 10.6s 9s
OK AeroTech G79 14.6oz 58ft/s 677ft/s 18.6G 2,522ft 10.6s 9s
OK Cesaroni G68 15.7oz 62ft/s 649ft/s 20.0G 2,540ft 10.8s 9s
OK Cesaroni G57 15.4oz 67ft/s 622ft/s 19.6G 2,586ft 10.9s 9s
OK Cesaroni G126 15.4oz 90ft/s 782ft/s 36.3G 2,630ft 10.5s 10s
OK AeroTech G76 15.4oz 94ft/s 657ft/s 34.2G 2,640ft 10.7s 9s
OK Cesaroni G131 17.3oz 81ft/s 780ft/s 29.8G 2,699ft 10.8s 10s
OK AeroTech G64 15.6oz 77ft/s 648ft/s 24.1G 2,725ft 10.9s 9s
OK AeroTech G75 14.9oz 72ft/s 723ft/s 23.4G 2,727ft 10.7s 9s
OK AeroTech G125 14.7oz 88ft/s 876ft/s 35.3G 2,757ft 10.5s 10s
OK AeroTech G78 14.7oz 72ft/s 771ft/s 23.8G 2,764ft 10.7s 9s
OK AeroTech G80 14.8oz 75ft/s 790ft/s 24.4G 2,874ft 10.8s 9s
OK Cesaroni G106 16.8oz 67ft/s 831ft/s 27.1G 2,961ft 11.2s 10s
OK KBA G135 18.2oz 73ft/s 849ft/s 30.1G 3,022ft 11.3s 10s
OK KBA G82 18.4oz 57ft/s 751ft/s 17.6G 3,053ft 11.7s 10s
OK AeroTech G75 18.5oz 57ft/s 749ft/s 14.5G 3,200ft 12.0s 10s
OK Cesaroni H410 16.7oz 144ft/s 1,142ft/s 114.6G 3,204ft 10.9s 11s
OK AeroTech H165 17.4oz 91ft/s 965ft/s 39.0G 3,207ft 11.2s 10s
OK Cesaroni H175 19.0oz 89ft/s 969ft/s 42.0G 3,231ft 11.4s 10s
OK Cesaroni G125 17.1oz 85ft/s 923ft/s 33.0G 3,245ft 11.4s 10s
OK Cesaroni G118 16.9oz 78ft/s 921ft/s 32.3G 3,271ft 11.5s 10s
OK Cesaroni H133 17.0oz 89ft/s 942ft/s 39.8G 3,305ft 11.4s 10s
OK Cesaroni H163 16.8oz 100ft/s 1,014ft/s 45.5G 3,317ft 11.3s 10s
OK AeroTech G138 15.5oz 87ft/s 1,092ft/s 37.7G 3,323ft 11.1s 10s
OK AeroTech H238 17.2oz 108ft/s 1,041ft/s 49.0G 3,350ft 11.3s 10s
OK AeroTech H128 17.5oz 87ft/s 975ft/s 36.7G 3,362ft 11.5s 10s
OK Cesaroni H90 16.0oz 83ft/s 898ft/s 34.0G 3,395ft 11.5s 10s
OK Cesaroni G54 17.1oz 75ft/s 697ft/s 24.6G 3,454ft 12.1s 9s
OK Cesaroni H87 17.5oz 72ft/s 868ft/s 25.5G 3,455ft 11.9s 10s
OK Cesaroni H123 18.3oz 76ft/s 958ft/s 26.5G 3,457ft 11.8s 10s
OK AeroTech H115 17.5oz 74ft/s 967ft/s 24.6G 3,462ft 11.6s 10s
OK Cesaroni H54 17.6oz 66ft/s 711ft/s 19.7G 3,593ft 12.4s 9s
OK Cesaroni H118 18.4oz 87ft/s 951ft/s 32.2G 3,610ft 11.9s 10s
OK AeroTech H97 20.0oz 65ft/s 890ft/s 19.0G 3,621ft 12.3s 10s
OK Cesaroni H237 20.6oz 98ft/s 1,130ft/s 49.1G 3,652ft 11.8s 11s
OK AeroTech H220 19.1oz 111ft/s 1,134ft/s 57.0G 3,713ft 11.8s 11s
OK AeroTech H210 18.9oz 99ft/s 1,157ft/s 48.5G 3,771ft 11.8s 11s
OK Cesaroni H151 18.6oz 95ft/s 1,068ft/s 38.3G 3,792ft 11.9s 11s
OK AeroTech H182 17.6oz 85ft/s 1,235ft/s 38.2G 3,819ft 11.6s 10s
OK Cesaroni H170 18.4oz 105ft/s 1,138ft/s 45.4G 3,887ft 11.9s 11s
OK AeroTech H180 19.1oz 101ft/s 1,177ft/s 47.5G 3,928ft 11.9s 11s
OK Cesaroni H160 19.8oz 90ft/s 1,119ft/s 32.7G 3,932ft 12.2s 11s
OK Cesaroni H135 19.1oz 83ft/s 1,067ft/s 30.2G 3,947ft 12.2s 11s
OK AeroTech H250 19.3oz 116ft/s 1,249ft/s 60.2G 3,954ft 11.9s 11s
OK AeroTech H195 17.2oz 113ft/s 1,321ft/s 52.3G 3,955ft 11.5s 10s
OK KBA H130 35.3oz 70ft/s 707ft/s 21.5G 4,019ft 14.2s 12s
OK KBA H225 21.4oz 80ft/s 1,225ft/s 44.9G 4,153ft 12.5s 11s
OK AeroTech H135 17.7oz 81ft/s 1,077ft/s 30.3G 4,213ft 12.5s 10s
OK Cesaroni H194 20.3oz 104ft/s 1,233ft/s 49.2G 4,253ft 12.3s 11s
OK Cesaroni H200 19.9oz 109ft/s 1,252ft/s 51.6G 4,307ft 12.3s 11s
OK Cesaroni H255 18.4oz 130ft/s 1,426ft/s 72.6G 4,345ft 12.0s 11s
OK Cesaroni H140 20.0oz 101ft/s 1,155ft/s 43.2G 4,519ft 12.7s 11s
OK Cesaroni H53 20.3oz 54ft/s 808ft/s 15.6G 4,552ft 14.0s 10s
OK AeroTech I205 21.4oz 100ft/s 1,435ft/s 60.4G 4,952ft 12.6s 11s
warningsW,D Estes F26 13.3oz 7:1 thrust/weight ratio (no data)
warningsW,D Estes G80 14.7oz 19:1 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 (37ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (46ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (41ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (44ft/s)
failedG Estes F15 speed at end of launch guide too slow (34ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (45ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (37ft/s)
failedG Apogee F10 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (47ft/s)

G These simulations were run with a launch guide length of 4ft (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.)

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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