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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 51 motors that fit and appear to have enough thrust (717 motors didn't fit, 37 motors failed safety checks). 86 motor had thrust curves available and 167 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:   PML Bull Puppy, 3.0 (Phenolic Airframe)
Owner: Mark W. Brush
Body Diameter: 3.00in
Dry Weight: 34.0oz
MMT Diameter: 29.0mm
MMT Length: 9.00in
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 37.7oz 67ft/s 157ft/s 12.7G 355ft 4.8s 4s
OK AeroTech F67 36.8oz 52ft/s 165ft/s 7.4G 428ft 5.4s 4s
OK AeroTech F52 38.3oz 48ft/s 172ft/s 6.4G 517ft 6.0s 5s
warningsW Estes F50 36.9oz 49ft/s 190ft/s 6.7G 596ft 6.4s 5s
OK AeroTech G54 38.8oz 48ft/s 189ft/s 6.6G 603ft 6.4s 5s
OK Cesaroni G88 39.4oz 54ft/s 215ft/s 9.6G 649ft 6.5s 6s
OK AeroTech G104 38.8oz 63ft/s 221ft/s 10.3G 678ft 6.5s 6s
OK AeroTech G74 37.1oz 53ft/s 226ft/s 7.9G 703ft 6.8s 6s
OK AeroTech G53 39.1oz 50ft/s 206ft/s 6.9G 728ft 7.1s 5s
OK Cesaroni G80 39.1oz 51ft/s 239ft/s 8.1G 774ft 7.1s 6s
OK AeroTech G77 38.3oz 51ft/s 261ft/s 8.3G 886ft 7.5s 6s
OK AeroTech G79 39.5oz 53ft/s 261ft/s 8.0G 918ft 7.7s 6s
OK AeroTech G72 38.6oz 48ft/s 266ft/s 8.6G 920ft 7.7s 6s
OK Cesaroni G83 39.1oz 54ft/s 264ft/s 8.2G 925ft 7.6s 6s
OK Cesaroni G57 39.1oz 50ft/s 243ft/s 7.1G 927ft 7.9s 6s
OK Cesaroni G250 39.0oz 89ft/s 311ft/s 25.7G 992ft 7.5s 7s
OK AeroTech G76 39.2oz 66ft/s 265ft/s 12.8G 1,027ft 7.9s 6s
OK Cesaroni G126 39.1oz 66ft/s 305ft/s 13.6G 1,050ft 7.8s 7s
OK AeroTech G64 39.3oz 58ft/s 261ft/s 8.9G 1,055ft 8.1s 6s
OK AeroTech G75 38.6oz 54ft/s 285ft/s 8.4G 1,091ft 8.2s 6s
OK Cesaroni G131 41.1oz 65ft/s 317ft/s 12.2G 1,115ft 8.1s 7s
OK AeroTech G78 38.4oz 53ft/s 298ft/s 8.5G 1,125ft 8.3s 7s
OK AeroTech G125 38.4oz 64ft/s 336ft/s 13.3G 1,178ft 8.2s 7s
OK AeroTech G80 38.5oz 56ft/s 311ft/s 8.7G 1,207ft 8.5s 7s
OK Cesaroni G106 40.6oz 56ft/s 340ft/s 10.6G 1,260ft 8.6s 7s
OK KBA G135 42.0oz 60ft/s 358ft/s 12.5G 1,306ft 8.7s 8s
OK Cesaroni G125 40.9oz 66ft/s 391ft/s 13.2G 1,504ft 9.2s 8s
OK Cesaroni G118 40.6oz 63ft/s 388ft/s 12.8G 1,507ft 9.2s 8s
OK Cesaroni G54 40.8oz 59ft/s 306ft/s 9.7G 1,512ft 9.7s 7s
OK AeroTech H165 41.1oz 73ft/s 407ft/s 15.8G 1,515ft 9.1s 8s
OK Cesaroni H175 42.7oz 74ft/s 416ft/s 18.5G 1,539ft 9.1s 8s
OK Cesaroni H133 40.7oz 67ft/s 400ft/s 15.9G 1,550ft 9.3s 8s
OK Cesaroni H54 41.4oz 51ft/s 316ft/s 7.8G 1,585ft 10.0s 7s
OK Cesaroni H90 39.7oz 63ft/s 384ft/s 13.0G 1,591ft 9.5s 8s
OK Cesaroni H163 40.6oz 77ft/s 425ft/s 18.2G 1,593ft 9.3s 8s
OK Cesaroni H410 40.4oz 117ft/s 464ft/s 45.7G 1,593ft 9.0s 9s
OK Cesaroni H87 41.2oz 56ft/s 378ft/s 10.2G 1,594ft 9.7s 8s
OK AeroTech G138 39.2oz 64ft/s 440ft/s 15.4G 1,625ft 9.3s 8s
OK AeroTech H128 41.3oz 71ft/s 420ft/s 14.9G 1,625ft 9.4s 8s
OK AeroTech H238 40.9oz 85ft/s 443ft/s 20.0G 1,650ft 9.3s 8s
OK Cesaroni H123 42.0oz 62ft/s 417ft/s 10.9G 1,652ft 9.6s 8s
OK AeroTech H115 41.2oz 59ft/s 419ft/s 9.8G 1,695ft 9.7s 8s
OK Cesaroni H118 42.2oz 67ft/s 427ft/s 13.5G 1,764ft 9.8s 8s
OK Cesaroni H151 42.4oz 73ft/s 484ft/s 16.3G 1,957ft 10.0s 9s
OK Cesaroni H135 42.9oz 70ft/s 491ft/s 12.9G 2,048ft 10.4s 9s
OK Cesaroni H170 42.2oz 82ft/s 512ft/s 19.2G 2,048ft 10.2s 9s
OK AeroTech H182 41.3oz 75ft/s 539ft/s 15.7G 2,066ft 10.2s 9s
OK AeroTech H135 41.5oz 65ft/s 500ft/s 12.4G 2,199ft 10.7s 9s
OK AeroTech H195 40.9oz 92ft/s 587ft/s 21.3G 2,242ft 10.4s 9s
OK Cesaroni H255 42.2oz 99ft/s 655ft/s 31.1G 2,488ft 10.7s 10s
warningsW,D Estes G80 38.4oz 7:1 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 (20ft/s)
failedG AeroTech E23 speed at end of launch guide too slow (31ft/s)
failedG AeroTech E16 speed at end of launch guide too slow (25ft/s)
failedG AeroTech F23 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (33ft/s)
failedG AeroTech F27 speed at end of launch guide too slow (31ft/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 (34ft/s)
failedG AeroTech F62 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni F36 speed at end of launch guide too slow (33ft/s)
failedG AeroTech F20 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni F32 speed at end of launch guide too slow (30ft/s)
failedG AeroTech F42 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni F29 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni F31 speed at end of launch guide too slow (31ft/s)
failedG Cesaroni F59 speed at end of launch guide too slow (46ft/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 (30ft/s)
failedG AeroTech F22 speed at end of launch guide too slow (26ft/s)
failedG Apogee F10 speed at end of launch guide too slow (21ft/s)
failedG AeroTech F50 speed at end of launch guide too slow (47ft/s)
failedG AeroTech F25 speed at end of launch guide too slow (40ft/s)
failedG AeroTech F40 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G38 speed at end of launch guide too slow (37ft/s)
failedG Estes G40 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G77 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G68 speed at end of launch guide too slow (46ft/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 (45ft/s)
failedG AeroTech G25 speed at end of launch guide too slow (32ft/s)
failedG AeroTech G75 speed at end of launch guide too slow (44ft/s)
failed5 AeroTech G8 average thrust fails 5:1 thrust/weight ratio (1:1)
failedG AeroTech G11 speed at end of launch guide too slow (22ft/s)
failedG AeroTech G12 speed at end of launch guide too slow (23ft/s)
failedG KBA G82 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G33 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni H42 speed at end of launch guide too slow (37ft/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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