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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 71 motors that fit and appear to have enough thrust (713 motors didn't fit, 21 motors failed safety checks). 92 motor had thrust curves available and 206 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 38 mm
Owner: Richard Holmes
Body Diameter: 3.90in
Dry Weight: 49.5oz
MMT Diameter: 38.0mm
MMT Length: 12.00in
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 G339 55.9oz 94ft/s 219ft/s 23.2G 548ft 5.6s 5s
OK Loki G94 58.0oz 51ft/s 194ft/s 7.1G 578ft 6.2s 5s
OK Cesaroni G185 56.1oz 64ft/s 237ft/s 12.1G 641ft 6.2s 5s
OK Cesaroni G115 56.4oz 50ft/s 238ft/s 7.4G 722ft 6.8s 6s
OK Loki H100 61.3oz 50ft/s 285ft/s 7.3G 1,057ft 8.0s 6s
warningsW AeroTech H283 58.2oz 86ft/s 356ft/s 19.6G 1,090ft 7.6s 7s
OK AeroTech H148 60.4oz 62ft/s 330ft/s 10.5G 1,157ft 8.1s 7s
OK AeroTech H130 57.9oz 76ft/s 321ft/s 15.1G 1,170ft 8.0s 6s
OK AeroTech H669 58.4oz 131ft/s 423ft/s 67.2G 1,203ft 7.7s 7s
OK AeroTech H123 59.2oz 53ft/s 315ft/s 8.0G 1,262ft 8.6s 6s
OK AeroTech H100 58.7oz 48ft/s 318ft/s 6.8G 1,267ft 8.7s 6s
OK Loki H90 61.3oz 54ft/s 305ft/s 7.6G 1,290ft 8.8s 6s
OK Cesaroni H123 60.0oz 48ft/s 356ft/s 7.7G 1,291ft 8.6s 7s
OK AeroTech H219 58.7oz 77ft/s 398ft/s 17.0G 1,293ft 8.1s 7s
OK Loki H144 61.4oz 74ft/s 351ft/s 13.6G 1,296ft 8.3s 7s
OK Loki H125 61.6oz 64ft/s 336ft/s 11.0G 1,310ft 8.6s 7s
OK Cesaroni H143 61.7oz 50ft/s 367ft/s 8.1G 1,312ft 8.7s 7s
OK AeroTech H242 58.8oz 71ft/s 397ft/s 13.5G 1,357ft 8.4s 7s
OK Loki H160 61.3oz 78ft/s 380ft/s 15.9G 1,383ft 8.5s 7s
OK Cesaroni H400 59.5oz 91ft/s 464ft/s 25.6G 1,387ft 8.2s 8s
OK Cesaroni H120 59.9oz 52ft/s 376ft/s 7.9G 1,451ft 9.1s 7s
OK Cesaroni H125 59.8oz 49ft/s 393ft/s 7.8G 1,482ft 9.1s 7s
OK Cesaroni H225 56.3oz 73ft/s 473ft/s 15.5G 1,527ft 8.6s 7s
OK Cesaroni H152 60.0oz 60ft/s 415ft/s 11.7G 1,539ft 9.1s 7s
OK AeroTech H178 60.9oz 58ft/s 440ft/s 11.2G 1,549ft 9.0s 7s
OK AeroTech H550 60.6oz 118ft/s 562ft/s 37.6G 1,635ft 8.6s 8s
OK AeroTech H550 60.9oz 118ft/s 555ft/s 37.3G 1,641ft 8.6s 8s
OK AeroTech H999 61.2oz 157ft/s 592ft/s 93.6G 1,653ft 8.5s 8s
warningsW Cesaroni H565 62.3oz 111ft/s 565ft/s 34.9G 1,657ft 8.7s 8s
OK AeroTech I218 62.6oz 74ft/s 474ft/s 15.4G 1,686ft 9.1s 8s
OK AeroTech H170 61.1oz 62ft/s 456ft/s 10.7G 1,719ft 9.4s 7s
OK AeroTech I180 63.1oz 86ft/s 440ft/s 19.7G 1,731ft 9.2s 7s
OK AeroTech I161 62.4oz 64ft/s 448ft/s 11.5G 1,779ft 9.5s 7s
OK Cesaroni I180 63.4oz 58ft/s 487ft/s 10.4G 1,793ft 9.6s 8s
OK AeroTech I245 62.4oz 89ft/s 507ft/s 22.7G 1,823ft 9.2s 8s
OK AeroTech I357 61.6oz 88ft/s 537ft/s 21.2G 1,830ft 9.2s 8s
OK AeroTech I140 62.1oz 58ft/s 432ft/s 9.3G 1,839ft 9.8s 7s
OK AeroTech I225 66.6oz 63ft/s 499ft/s 13.4G 1,841ft 9.5s 8s
OK Cesaroni I566 63.1oz 108ft/s 640ft/s 33.9G 1,866ft 9.0s 8s
OK Cesaroni I212 66.3oz 61ft/s 516ft/s 12.0G 1,873ft 9.7s 8s
OK Cesaroni I800 65.6oz 123ft/s 712ft/s 46.0G 2,005ft 9.2s 9s
OK Cesaroni I345 63.4oz 89ft/s 619ft/s 21.1G 2,017ft 9.5s 8s
OK AeroTech I1299 64.4oz 176ft/s 749ft/s 83.5G 2,020ft 9.1s 9s
OK AeroTech I154 66.9oz 53ft/s 431ft/s 8.0G 2,023ft 10.5s 7s
OK Cesaroni I195 64.2oz 64ft/s 532ft/s 12.2G 2,051ft 10.0s 8s
OK AeroTech I285 66.9oz 80ft/s 583ft/s 19.3G 2,057ft 9.7s 8s
OK Cesaroni I170 63.3oz 63ft/s 544ft/s 11.8G 2,106ft 10.1s 8s
OK Cesaroni I236 63.6oz 73ft/s 576ft/s 16.6G 2,114ft 9.9s 8s
OK AeroTech I305 70.0oz 82ft/s 592ft/s 19.9G 2,120ft 9.7s 8s
OK Cesaroni I175 64.9oz 59ft/s 530ft/s 9.5G 2,127ft 10.2s 8s
OK AeroTech I300 65.1oz 92ft/s 610ft/s 24.8G 2,155ft 9.7s 8s
OK Cesaroni I223 66.9oz 66ft/s 581ft/s 12.6G 2,170ft 10.1s 8s
OK AeroTech I211 65.5oz 76ft/s 550ft/s 16.6G 2,170ft 10.0s 8s
OK AeroTech I195 69.7oz 77ft/s 543ft/s 17.6G 2,190ft 10.1s 8s
OK Loki I316 68.5oz 99ft/s 623ft/s 25.2G 2,262ft 9.9s 8s
OK Loki I405 68.7oz 121ft/s 682ft/s 41.2G 2,316ft 9.8s 9s
OK Cesaroni I287 70.8oz 74ft/s 645ft/s 15.6G 2,320ft 10.2s 8s
OK Loki I210 68.5oz 88ft/s 580ft/s 22.2G 2,389ft 10.3s 8s
OK Cesaroni I285 67.3oz 78ft/s 662ft/s 17.9G 2,428ft 10.3s 8s
OK Loki I430 68.5oz 91ft/s 746ft/s 26.9G 2,428ft 10.1s 9s
OK Loki I377 69.3oz 112ft/s 680ft/s 33.2G 2,431ft 10.1s 9s
warningsW Loki I110 70.3oz 56ft/s 481ft/s 12.5G 2,457ft 11.2s 7s
OK Cesaroni I470 67.0oz 106ft/s 784ft/s 28.9G 2,458ft 10.0s 9s
OK AeroTech I366 69.1oz 96ft/s 709ft/s 24.5G 2,466ft 10.2s 9s
OK Cesaroni I255 67.7oz 73ft/s 651ft/s 15.7G 2,473ft 10.5s 8s
OK Cesaroni I303 67.1oz 81ft/s 699ft/s 21.1G 2,526ft 10.3s 8s
OK AeroTech I435 67.8oz 119ft/s 779ft/s 39.2G 2,548ft 10.0s 9s
OK Cesaroni I242 68.9oz 71ft/s 659ft/s 13.9G 2,604ft 10.8s 8s
OK AeroTech I284 69.1oz 94ft/s 722ft/s 24.0G 2,641ft 10.4s 8s
OK AeroTech I59 66.7oz 52ft/s 342ft/s 7.9G 2,782ft 13.7s 5s
OK Cesaroni J357 70.7oz 90ft/s 806ft/s 25.2G 2,851ft 10.7s 9s

W Motor total weight unknown, lift-off Weight not accurate.

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 G67 speed at end of launch guide too slow (41ft/s)
failedG Loki G69 speed at end of launch guide too slow (44ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (39ft/s)
failedG Loki G70 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (39ft/s)
failedG Loki G80 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (37ft/s)
failedG Loki G66 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (40ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (30ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (37ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (47ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (39ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (32ft/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.)

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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