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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 42 motors that fit and appear to have enough thrust (703 motors didn't fit, 46 motors failed safety checks). 86 motor had thrust curves available and 171 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:   MadCow-1.6MiniTomach-fg
Owner: Kenneth B Weaver
Body Diameter: 1.64in
Dry Weight: 32.0oz
MMT Diameter: 29.0mm
MMT Length: 10.00in
CD: 0.75

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 35.7oz 57ft/s 167ft/s 13.6G 435ft 5.4s 5s
OK AeroTech G104 36.8oz 56ft/s 240ft/s 10.9G 887ft 7.6s 7s
OK Cesaroni G83 37.1oz 49ft/s 290ft/s 8.7G 1,266ft 9.1s 8s
OK Cesaroni G250 37.0oz 80ft/s 333ft/s 27.5G 1,396ft 9.2s 9s
OK AeroTech G76 37.2oz 61ft/s 296ft/s 13.6G 1,425ft 9.6s 8s
OK AeroTech G64 37.3oz 50ft/s 294ft/s 9.4G 1,463ft 9.8s 7s
OK Cesaroni G126 37.1oz 58ft/s 332ft/s 14.4G 1,479ft 9.6s 9s
OK Cesaroni G131 39.1oz 58ft/s 345ft/s 13.7G 1,578ft 9.9s 9s
OK AeroTech G78 36.4oz 48ft/s 332ft/s 9.2G 1,606ft 10.1s 9s
OK AeroTech G125 36.4oz 56ft/s 367ft/s 14.5G 1,710ft 10.2s 9s
OK AeroTech G80 36.5oz 51ft/s 348ft/s 9.3G 1,744ft 10.5s 9s
OK Cesaroni G106 38.6oz 48ft/s 373ft/s 11.2G 1,822ft 10.7s 9s
OK KBA G135 40.0oz 53ft/s 390ft/s 13.6G 1,896ft 10.8s 10s
OK Cesaroni G54 38.8oz 53ft/s 358ft/s 10.2G 2,209ft 12.0s 9s
OK Cesaroni G125 38.9oz 59ft/s 433ft/s 14.0G 2,263ft 11.6s 10s
OK Cesaroni G118 38.6oz 56ft/s 431ft/s 13.5G 2,265ft 11.7s 10s
OK AeroTech H165 39.1oz 65ft/s 447ft/s 16.9G 2,296ft 11.6s 11s
OK Cesaroni H175 40.7oz 68ft/s 453ft/s 20.8G 2,330ft 11.7s 11s
OK Cesaroni H133 38.7oz 63ft/s 445ft/s 16.8G 2,350ft 11.8s 11s
OK Cesaroni H87 39.2oz 48ft/s 430ft/s 10.8G 2,396ft 12.2s 10s
OK Cesaroni H90 37.7oz 57ft/s 436ft/s 13.8G 2,414ft 12.1s 10s
OK Cesaroni H163 38.6oz 66ft/s 468ft/s 19.2G 2,445ft 11.9s 11s
OK Cesaroni H410 38.4oz 102ft/s 499ft/s 48.8G 2,489ft 11.7s 11s
OK AeroTech H128 39.3oz 65ft/s 466ft/s 15.9G 2,494ft 12.1s 11s
OK Cesaroni H123 40.0oz 55ft/s 463ft/s 12.1G 2,521ft 12.3s 11s
OK AeroTech G138 37.2oz 56ft/s 485ft/s 17.7G 2,527ft 12.1s 11s
OK AeroTech H238 38.9oz 72ft/s 486ft/s 21.4G 2,560ft 12.0s 11s
OK AeroTech H115 39.2oz 53ft/s 473ft/s 10.6G 2,614ft 12.5s 11s
OK AeroTech H97 41.8oz 48ft/s 458ft/s 8.7G 2,626ft 12.8s 11s
OK Cesaroni H118 40.2oz 59ft/s 482ft/s 14.2G 2,732ft 12.6s 11s
OK AeroTech H220 40.8oz 80ft/s 559ft/s 26.0G 3,082ft 13.0s 12s
OK Cesaroni H151 40.4oz 67ft/s 544ft/s 17.1G 3,117ft 13.2s 12s
OK AeroTech H210 40.7oz 72ft/s 570ft/s 22.5G 3,159ft 13.2s 12s
OK Cesaroni H135 40.9oz 62ft/s 558ft/s 13.6G 3,274ft 13.7s 12s
OK Cesaroni H170 40.2oz 75ft/s 575ft/s 20.3G 3,311ft 13.5s 12s
OK AeroTech H182 39.3oz 64ft/s 604ft/s 17.1G 3,382ft 13.6s 12s
OK AeroTech H180 40.9oz 72ft/s 601ft/s 21.8G 3,454ft 13.7s 12s
OK AeroTech H250 41.0oz 85ft/s 628ft/s 27.5G 3,532ft 13.7s 13s
OK AeroTech H135 39.5oz 57ft/s 578ft/s 13.1G 3,563ft 14.2s 12s
OK AeroTech H195 38.9oz 76ft/s 663ft/s 22.5G 3,765ft 14.1s 13s
OK Cesaroni H255 40.2oz 87ft/s 738ft/s 32.7G 4,269ft 14.7s 14s
warningsW,D Estes G80 36.4oz 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 (19ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (28ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (23ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (29ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (27ft/s)
failedG Estes F15 speed at end of launch guide too slow (17ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (30ft/s)
failedG AeroTech F62 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (29ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (26ft/s)
failedG AeroTech F42 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (25ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni F59 speed at end of launch guide too slow (40ft/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 (27ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (23ft/s)
failedG AeroTech F52 speed at end of launch guide too slow (43ft/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 (42ft/s)
failedG Estes F50 speed at end of launch guide too slow (44ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (36ft/s)
failedG AeroTech F40 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G54 speed at end of launch guide too slow (43ft/s)
failedG AeroTech G74 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G88 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (33ft/s)
failedG AeroTech G53 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G80 speed at end of launch guide too slow (44ft/s)
failedG Estes G40 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G77 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G77 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni G57 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G68 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G79 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G79 speed at end of launch guide too slow (46ft/s)
failedG AeroTech G40 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (28ft/s)
failedG AeroTech G75 speed at end of launch guide too slow (47ft/s)
failedG AeroTech G75 speed at end of launch guide too slow (40ft/s)
failedG KBA G82 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni H54 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (32ft/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.)

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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