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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 26 motors that fit and appear to have enough thrust (760 motors didn't fit, 5 motors failed safety checks). 31 motor had thrust curves available and 59 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:   LOC Expediter 4inch-54mmt Pk-72
Owner: Kenneth B Weaver
Body Diameter: 4.00in
Dry Weight: 40.0oz
MMT Diameter: 54.0mm
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 AeroTech I599 58.1oz 119ft/s 741ft/s 46.3G 1,921ft 8.8s 8s
OK AeroTech I215 58.6oz 65ft/s 578ft/s 15.0G 2,013ft 9.6s 8s
OK AeroTech I229 58.1oz 64ft/s 618ft/s 15.4G 2,071ft 9.5s 8s
OK AeroTech I170 58.6oz 53ft/s 542ft/s 11.4G 2,085ft 9.9s 8s
OK Cesaroni I445 60.3oz 88ft/s 768ft/s 29.8G 2,191ft 9.3s 8s
OK Cesaroni I218 60.5oz 66ft/s 629ft/s 14.4G 2,381ft 10.2s 8s
OK Cesaroni I150 60.1oz 54ft/s 528ft/s 9.6G 2,390ft 10.7s 8s
OK Cesaroni I165 61.0oz 57ft/s 562ft/s 9.9G 2,584ft 10.9s 7s
OK Cesaroni J1055 67.2oz 128ft/s 1,147ft/s 59.0G 2,727ft 9.7s 9s
OK AeroTech J1299 69.4oz 141ft/s 1,275ft/s 75.2G 2,934ft 9.9s 9s
OK Cesaroni J250 69.3oz 55ft/s 742ft/s 12.9G 2,943ft 11.1s 8s
OK Cesaroni J280 73.7oz 62ft/s 783ft/s 13.3G 2,962ft 11.0s 9s
OK AeroTech J250 72.0oz 60ft/s 735ft/s 12.9G 2,978ft 11.0s 8s
OK AeroTech J250 65.0oz 73ft/s 735ft/s 17.0G 3,022ft 10.8s 8s
OK AeroTech J315 70.0oz 70ft/s 786ft/s 18.0G 3,078ft 10.9s 8s
OK Cesaroni J430 68.2oz 86ft/s 951ft/s 26.6G 3,152ft 10.6s 9s
OK AeroTech J460 67.8oz 90ft/s 964ft/s 27.6G 3,159ft 10.5s 8s
OK Cesaroni I100 68.5oz 60ft/s 467ft/s 15.0G 3,223ft 13.1s 4s
OK Cesaroni J145 69.5oz 62ft/s 572ft/s 24.1G 3,255ft 12.1s 7s
OK Cesaroni J293 69.6oz 67ft/s 822ft/s 17.4G 3,353ft 11.3s 8s
OK Cesaroni J240 70.9oz 63ft/s 747ft/s 13.5G 3,355ft 11.6s 8s
OK AeroTech J275 70.5oz 65ft/s 770ft/s 15.1G 3,388ft 11.5s 8s
OK AeroTech I65 66.5oz 54ft/s 463ft/s 9.6G 3,415ft 13.6s 5s
OK AeroTech J180 68.5oz 71ft/s 683ft/s 16.1G 3,427ft 11.7s 7s
OK Cesaroni J244 72.1oz 59ft/s 758ft/s 12.2G 3,502ft 11.9s 8s
OK Cesaroni J210 69.7oz 64ft/s 662ft/s 15.8G 3,737ft 12.7s 9s

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 AeroTech I117 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (44ft/s)

G These simulations were run with a launch guide length of 5ft (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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