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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 74 motors that fit and appear to have enough thrust (694 motors didn't fit, 23 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:   Squat 29 mm Motor
Owner: Stephen Peterangelo
Body Diameter: 4.00in
Dry Weight: 800g
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 906g 71ft/s 185ft/s 15.0G 395ft 4.9s 4s
OK AeroTech F42 876g 50ft/s 155ft/s 7.0G 399ft 5.2s 4s
OK Cesaroni F59 899g 50ft/s 171ft/s 7.0G 402ft 5.1s 4s
OK AeroTech F50 885g 52ft/s 197ft/s 7.4G 529ft 5.8s 4s
OK AeroTech F52 922g 53ft/s 197ft/s 7.7G 550ft 5.9s 4s
OK AeroTech F40 926g 48ft/s 188ft/s 6.5G 592ft 6.2s 4s
warningsW Estes F50 884g 55ft/s 216ft/s 8.0G 612ft 6.1s 5s
OK AeroTech G54 937g 53ft/s 214ft/s 7.8G 620ft 6.2s 5s
OK Cesaroni G88 952g 59ft/s 247ft/s 11.5G 645ft 6.1s 5s
OK AeroTech G104 936g 68ft/s 251ft/s 12.3G 665ft 6.1s 5s
OK AeroTech G74 887g 56ft/s 259ft/s 9.3G 688ft 6.3s 5s
OK AeroTech G53 946g 56ft/s 228ft/s 8.3G 720ft 6.6s 5s
OK Cesaroni G80 943g 55ft/s 271ft/s 9.7G 743ft 6.6s 5s
OK AeroTech G77 965g 51ft/s 280ft/s 8.3G 798ft 6.8s 5s
warningsW Estes G40 923g 50ft/s 234ft/s 7.1G 802ft 7.0s 5s
OK AeroTech G40 923g 50ft/s 234ft/s 7.1G 802ft 7.0s 5s
OK AeroTech G77 923g 56ft/s 293ft/s 9.5G 820ft 6.8s 6s
OK AeroTech G79 957g 57ft/s 289ft/s 9.4G 848ft 6.9s 5s
OK Cesaroni G83 945g 58ft/s 294ft/s 9.8G 852ft 6.9s 6s
OK Cesaroni G68 956g 51ft/s 278ft/s 8.8G 859ft 7.1s 5s
OK AeroTech G79 924g 49ft/s 282ft/s 7.7G 860ft 7.1s 5s
OK Cesaroni G250 941g 97ft/s 358ft/s 29.8G 867ft 6.6s 6s
OK Cesaroni G57 946g 53ft/s 264ft/s 8.5G 872ft 7.2s 5s
OK Cesaroni G126 945g 74ft/s 342ft/s 16.1G 922ft 6.9s 6s
OK AeroTech G76 947g 74ft/s 286ft/s 15.2G 925ft 7.0s 5s
OK AeroTech G64 951g 63ft/s 281ft/s 10.6G 954ft 7.3s 5s
OK Cesaroni G131 1,000g 69ft/s 354ft/s 14.1G 968ft 7.1s 6s
OK AeroTech G75 931g 59ft/s 309ft/s 10.0G 969ft 7.3s 5s
OK AeroTech G78 925g 57ft/s 328ft/s 10.1G 984ft 7.3s 6s
OK AeroTech G125 925g 71ft/s 375ft/s 15.0G 999ft 7.0s 6s
OK AeroTech G80 928g 60ft/s 338ft/s 10.4G 1,040ft 7.4s 6s
OK Cesaroni G106 987g 60ft/s 373ft/s 12.6G 1,072ft 7.5s 6s
OK KBA G135 1,026g 63ft/s 395ft/s 14.0G 1,097ft 7.4s 6s
OK KBA G82 1,031g 51ft/s 344ft/s 8.2G 1,106ft 7.8s 6s
OK AeroTech G75 1,033g 49ft/s 339ft/s 6.7G 1,173ft 8.1s 6s
OK AeroTech H165 1,002g 81ft/s 442ft/s 18.1G 1,211ft 7.6s 7s
OK Cesaroni G125 994g 73ft/s 420ft/s 15.6G 1,218ft 7.7s 6s
OK Cesaroni H410 982g 125ft/s 524ft/s 52.3G 1,223ft 7.3s 7s
OK Cesaroni G118 988g 66ft/s 416ft/s 15.1G 1,224ft 7.8s 6s
OK Cesaroni H175 1,047g 81ft/s 456ft/s 19.6G 1,227ft 7.6s 7s
OK Cesaroni H133 990g 74ft/s 429ft/s 18.8G 1,245ft 7.7s 6s
OK Cesaroni H163 987g 79ft/s 461ft/s 21.4G 1,259ft 7.7s 7s
OK AeroTech G138 948g 71ft/s 479ft/s 16.5G 1,273ft 7.7s 7s
OK AeroTech H238 996g 90ft/s 480ft/s 22.7G 1,284ft 7.6s 7s
OK AeroTech H128 1,006g 78ft/s 449ft/s 17.2G 1,286ft 7.8s 6s
OK Cesaroni G54 993g 63ft/s 310ft/s 11.4G 1,286ft 8.4s 5s
OK Cesaroni H90 963g 67ft/s 398ft/s 15.4G 1,290ft 8.0s 6s
OK Cesaroni H87 1,005g 60ft/s 392ft/s 12.0G 1,304ft 8.2s 6s
OK Cesaroni H123 1,028g 65ft/s 444ft/s 12.8G 1,317ft 8.0s 6s
OK AeroTech H115 1,005g 63ft/s 438ft/s 11.4G 1,343ft 8.0s 6s
OK Cesaroni H54 1,009g 58ft/s 317ft/s 9.2G 1,346ft 8.7s 5s
OK Cesaroni H118 1,032g 72ft/s 442ft/s 15.8G 1,391ft 8.1s 6s
OK AeroTech H97 1,078g 59ft/s 417ft/s 9.3G 1,394ft 8.4s 6s
OK Cesaroni H237 1,094g 89ft/s 549ft/s 24.1G 1,434ft 7.9s 7s
OK AeroTech H220 1,050g 95ft/s 544ft/s 28.8G 1,450ft 7.9s 7s
OK AeroTech H210 1,046g 90ft/s 550ft/s 23.2G 1,474ft 8.0s 7s
OK Cesaroni H151 1,038g 80ft/s 502ft/s 19.0G 1,489ft 8.1s 7s
OK AeroTech H182 1,007g 77ft/s 565ft/s 17.7G 1,534ft 8.1s 7s
OK Cesaroni H170 1,032g 89ft/s 537ft/s 22.5G 1,535ft 8.2s 7s
OK Cesaroni H160 1,072g 75ft/s 534ft/s 16.6G 1,548ft 8.3s 7s
OK Cesaroni H135 1,051g 73ft/s 501ft/s 15.1G 1,560ft 8.4s 7s
OK AeroTech H180 1,052g 87ft/s 560ft/s 23.4G 1,569ft 8.2s 7s
OK AeroTech H250 1,056g 102ft/s 597ft/s 30.1G 1,571ft 8.1s 7s
OK KBA H130 1,509g 66ft/s 415ft/s 13.9G 1,572ft 9.0s 7s
OK AeroTech H195 997g 92ft/s 605ft/s 25.0G 1,623ft 8.2s 7s
OK KBA H225 1,116g 80ft/s 604ft/s 22.3G 1,630ft 8.4s 7s
OK AeroTech H135 1,012g 72ft/s 499ft/s 14.4G 1,663ft 8.7s 7s
OK Cesaroni H194 1,084g 87ft/s 595ft/s 25.6G 1,713ft 8.4s 7s
OK Cesaroni H200 1,074g 91ft/s 604ft/s 26.6G 1,737ft 8.4s 7s
OK Cesaroni H255 1,032g 106ft/s 675ft/s 36.2G 1,765ft 8.3s 7s
OK Cesaroni H53 1,086g 49ft/s 373ft/s 7.8G 1,784ft 10.0s 6s
OK Cesaroni H140 1,077g 89ft/s 554ft/s 22.2G 1,828ft 8.8s 7s
OK AeroTech I205 1,115g 95ft/s 698ft/s 32.3G 2,096ft 8.9s 7s
warningsW,D Estes G80 925g 9:1 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 (24ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (35ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (29ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (37ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (34ft/s)
failedG Estes F15 speed at end of launch guide too slow (21ft/s)
failedG AeroTech F37 speed at end of launch guide too slow (38ft/s)
failedG AeroTech F62 speed at end of launch guide too slow (48ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (38ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (35ft/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 (34ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (29ft/s)
failedG Apogee F10 speed at end of launch guide too slow (25ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (40ft/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 (41ft/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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