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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 17 motors that fit and appear to have enough thrust (703 motors didn't fit, 71 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:   Goldie 29
Owner: Keith Pate
Body Diameter: 2.26in
Dry Weight: 72.0oz
MMT Diameter: 29.0mm
MMT Length: 10.00in
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 G250 77.0oz 65ft/s 152ft/s 12.6G 372ft 5.0s 5s
OK AeroTech H165 79.1oz 52ft/s 205ft/s 7.8G 706ft 7.0s 6s
OK Cesaroni H133 78.7oz 48ft/s 201ft/s 7.8G 715ft 7.1s 6s
OK Cesaroni H175 80.7oz 52ft/s 212ft/s 9.8G 738ft 7.1s 6s
OK Cesaroni H163 78.6oz 53ft/s 214ft/s 8.9G 764ft 7.3s 6s
OK AeroTech H128 79.3oz 51ft/s 213ft/s 7.3G 788ft 7.4s 6s
OK Cesaroni H410 78.4oz 86ft/s 236ft/s 23.1G 822ft 7.2s 7s
OK AeroTech H238 78.9oz 59ft/s 226ft/s 10.0G 834ft 7.5s 6s
OK Cesaroni H151 80.4oz 53ft/s 256ft/s 8.1G 1,096ft 8.6s 7s
OK AeroTech H220 80.8oz 64ft/s 269ft/s 12.7G 1,114ft 8.5s 8s
OK AeroTech H210 80.7oz 61ft/s 272ft/s 10.8G 1,141ft 8.7s 8s
OK Cesaroni H170 80.2oz 57ft/s 273ft/s 9.6G 1,207ft 9.0s 8s
OK AeroTech H182 79.3oz 53ft/s 280ft/s 8.2G 1,219ft 9.1s 8s
OK AeroTech H180 80.9oz 58ft/s 288ft/s 10.5G 1,302ft 9.3s 8s
OK AeroTech H250 81.0oz 72ft/s 304ft/s 13.3G 1,363ft 9.4s 8s
OK AeroTech H195 78.9oz 61ft/s 312ft/s 10.6G 1,458ft 9.8s 9s
OK Cesaroni H255 80.2oz 72ft/s 359ft/s 15.9G 1,833ft 10.6s 10s

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
failed5 Estes E16 average thrust fails 5:1 thrust/weight ratio (1:1)
failedG AeroTech E23 speed at end of launch guide too slow (14ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (6ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (17ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (20ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (16ft/s)
failed5 Estes F15 average thrust fails 5:1 thrust/weight ratio (1:1)
failedG AeroTech F37 speed at end of launch guide too slow (21ft/s)
failedG AeroTech F62 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (20ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (19ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (16ft/s)
failedG AeroTech F42 speed at end of launch guide too slow (27ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (14ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (17ft/s)
failedG Cesaroni F120 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni F59 speed at end of launch guide too slow (29ft/s)
failed5 Estes F26 average thrust fails 5:1 thrust/weight ratio (1:1)
failedG AeroTech F26 speed at end of launch guide too slow (15ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (12ft/s)
failedG AeroTech F52 speed at end of launch guide too slow (31ft/s)
failed5 Apogee F10 average thrust fails 5:1 thrust/weight ratio (1:1)
failedG AeroTech F50 speed at end of launch guide too slow (30ft/s)
failedG Estes F50 speed at end of launch guide too slow (32ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (24ft/s)
failedG AeroTech F40 speed at end of launch guide too slow (27ft/s)
failedG AeroTech G54 speed at end of launch guide too slow (32ft/s)
failedG AeroTech G104 speed at end of launch guide too slow (41ft/s)
failedG AeroTech G74 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni G88 speed at end of launch guide too slow (35ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (22ft/s)
failedG AeroTech G53 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni G80 speed at end of launch guide too slow (34ft/s)
failedG Estes G40 speed at end of launch guide too slow (28ft/s)
failedG AeroTech G77 speed at end of launch guide too slow (34ft/s)
failedG AeroTech G77 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni G83 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G57 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni G68 speed at end of launch guide too slow (31ft/s)
failedG AeroTech G79 speed at end of launch guide too slow (32ft/s)
failedG AeroTech G79 speed at end of launch guide too slow (36ft/s)
failedG AeroTech G78 speed at end of launch guide too slow (36ft/s)
failedG AeroTech G40 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G126 speed at end of launch guide too slow (46ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (18ft/s)
failedG AeroTech G76 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G64 speed at end of launch guide too slow (38ft/s)
failedG AeroTech G75 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G131 speed at end of launch guide too slow (43ft/s)
failedG AeroTech G125 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G80 speed at end of launch guide too slow (38ft/s)
failedG AeroTech G75 speed at end of launch guide too slow (30ft/s)
failed5 Estes G80 average thrust fails 5:1 thrust/weight ratio (4:1)
failedG Cesaroni G106 speed at end of launch guide too slow (38ft/s)
failedG KBA G82 speed at end of launch guide too slow (33ft/s)
failedG KBA G135 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (18ft/s)
failedG AeroTech G138 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G118 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G54 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni G125 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni H90 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni H54 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni H87 speed at end of launch guide too slow (37ft/s)
failedG AeroTech H115 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (43ft/s)
failedG AeroTech H97 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (24ft/s)
failedG Cesaroni H118 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni H135 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H135 speed at end of launch guide too slow (46ft/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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