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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 67 motors that fit and appear to have enough thrust (740 motors didn't fit, 3 motors failed safety checks). 70 motor had thrust curves available and 129 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:   WM Goblin 5
Owner: Adrian Butler
Body Diameter: 5.00in
Dry Weight: 13.00lb
MMT Diameter: 75.0mm
MMT Length: 30.00in
CD: 0.50

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 K1499 16.84lb 101ft/s 546ft/s 22.3G 3,039ft 13.0s 12s
OK Cesaroni K735 18.53lb 58ft/s 667ft/s 10.0G 4,532ft 16.2s 13s
OK AeroTech K780 19.47lb 63ft/s 754ft/s 10.2G 5,393ft 17.4s 14s
OK Cesaroni K2000 18.43lb 109ft/s 887ft/s 30.2G 5,465ft 16.4s 15s
OK Cesaroni K555 19.08lb 52ft/s 722ft/s 6.5G 5,619ft 18.4s 14s
OK Cesaroni K1085 18.36lb 77ft/s 846ft/s 13.6G 5,648ft 17.2s 15s
OK AeroTech K560 19.05lb 57ft/s 697ft/s 8.3G 5,730ft 18.2s 13s
OK Cesaroni K661 18.57lb 59ft/s 770ft/s 8.2G 5,777ft 18.1s 14s
OK AeroTech K1000 18.74lb 79ft/s 847ft/s 12.9G 5,850ft 17.4s 15s
OK Cesaroni K510 18.71lb 60ft/s 700ft/s 7.2G 5,871ft 18.7s 14s
OK Cesaroni L585 19.14lb 58ft/s 776ft/s 6.8G 6,244ft 19.0s 14s
OK Cesaroni L820 20.54lb 60ft/s 883ft/s 9.7G 6,626ft 19.0s 15s
OK Cesaroni L910 18.77lb 74ft/s 924ft/s 11.5G 6,731ft 18.6s 15s
OK Loki L780 20.72lb 52ft/s 894ft/s 9.2G 6,788ft 19.3s 16s
OK Cesaroni L3200 20.20lb 132ft/s 1,180ft/s 42.5G 7,202ft 18.1s 17s
OK Gorilla L789 20.45lb 61ft/s 945ft/s 9.0G 7,407ft 19.8s 16s
OK AeroTech L1150 21.10lb 79ft/s 1,035ft/s 13.3G 7,610ft 19.4s 16s
OK Cesaroni L645 21.27lb 55ft/s 885ft/s 7.1G 7,671ft 20.7s 15s
OK Gorilla L425 20.72lb 58ft/s 729ft/s 7.2G 7,771ft 21.5s 14s
OK Gorilla L1150 20.72lb 74ft/s 1,050ft/s 18.1G 7,791ft 19.5s 16s
OK Loki L930 20.80lb 72ft/s 1,005ft/s 11.2G 7,826ft 20.0s 16s
OK Gorilla L985 21.01lb 61ft/s 1,059ft/s 11.3G 7,851ft 20.1s 17s
OK Cesaroni L995 20.92lb 81ft/s 1,018ft/s 12.9G 7,930ft 19.8s 16s
OK AeroTech L875 23.09lb 63ft/s 983ft/s 8.8G 7,963ft 20.5s 16s
OK AeroTech L850 21.25lb 72ft/s 976ft/s 11.8G 8,006ft 20.0s 15s
OK AeroTech L1040 23.40lb 66ft/s 1,016ft/s 11.3G 8,015ft 20.2s 16s
OK Cesaroni L1720 20.37lb 96ft/s 1,219ft/s 21.0G 8,030ft 19.2s 17s
OK Gorilla L1112 21.00lb 79ft/s 1,074ft/s 13.0G 8,032ft 19.8s 16s
OK AeroTech L1520 21.05lb 88ft/s 1,160ft/s 17.5G 8,086ft 19.4s 17s
OK Cesaroni L851 21.35lb 65ft/s 1,011ft/s 9.4G 8,096ft 20.5s 16s
OK Cesaroni L1355 23.94lb 84ft/s 1,086ft/s 16.3G 8,099ft 19.8s 17s
OK AeroTech L900 23.41lb 62ft/s 990ft/s 9.1G 8,101ft 20.7s 16s
OK AeroTech L1256 21.28lb 86ft/s 1,102ft/s 14.9G 8,110ft 19.7s 17s
OK Cesaroni L1050 20.60lb 74ft/s 1,079ft/s 12.3G 8,209ft 20.1s 16s
OK Cesaroni L800 20.74lb 74ft/s 978ft/s 12.0G 8,313ft 20.6s 16s
OK Loki L1482 20.80lb 84ft/s 1,224ft/s 16.4G 8,338ft 19.7s 17s
OK AeroTech L1390 21.55lb 85ft/s 1,157ft/s 16.7G 8,389ft 19.9s 17s
OK Loki L840 21.26lb 70ft/s 1,009ft/s 11.4G 8,425ft 20.5s 16s
OK AeroTech L1170 24.00lb 78ft/s 1,108ft/s 12.9G 8,529ft 20.4s 17s
OK Cesaroni L1350 20.87lb 86ft/s 1,252ft/s 15.6G 9,075ft 20.4s 17s
OK AeroTech L1420 23.06lb 85ft/s 1,274ft/s 15.4G 9,343ft 20.7s 18s
OK Cesaroni L1685 26.34lb 93ft/s 1,251ft/s 18.5G 9,452ft 20.8s 18s
OK AeroTech L1365 23.82lb 83ft/s 1,246ft/s 14.6G 9,543ft 21.1s 17s
OK Cesaroni L1410 24.28lb 77ft/s 1,271ft/s 14.3G 9,579ft 21.2s 18s
OK Cesaroni L2375 22.17lb 104ft/s 1,504ft/s 26.4G 9,685ft 20.3s 18s
OK AeroTech L2200 23.54lb 113ft/s 1,407ft/s 29.6G 9,797ft 20.5s 18s
OK Cesaroni L1395 22.53lb 90ft/s 1,336ft/s 17.1G 9,889ft 21.1s 18s
OK Cesaroni L1115 22.71lb 86ft/s 1,218ft/s 15.4G 10,121ft 21.7s 17s
OK AeroTech M1350 23.60lb 87ft/s 1,288ft/s 16.0G 10,146ft 21.3s 17s
OK AeroTech M1500 23.79lb 89ft/s 1,349ft/s 15.3G 10,266ft 21.5s 18s
OK Cesaroni M1101 23.89lb 78ft/s 1,240ft/s 12.6G 10,338ft 22.0s 17s
OK Cesaroni M2250 22.73lb 112ft/s 1,542ft/s 25.9G 10,380ft 20.7s 18s
OK AeroTech M1780 23.39lb 103ft/s 1,436ft/s 22.2G 10,504ft 21.2s 18s
OK AeroTech M1297 23.22lb 93ft/s 1,325ft/s 18.3G 10,581ft 21.6s 17s
OK AeroTech M2050 23.05lb 106ft/s 1,505ft/s 24.1G 10,633ft 21.3s 19s
OK Cesaroni M1830 22.97lb 100ft/s 1,495ft/s 20.9G 10,710ft 21.3s 18s
OK Cesaroni M1230 23.68lb 78ft/s 1,318ft/s 13.6G 10,734ft 22.1s 17s
OK Cesaroni M3100 24.06lb 121ft/s 1,750ft/s 34.9G 11,016ft 20.9s 19s
OK Cesaroni M1160 25.56lb 69ft/s 1,315ft/s 11.2G 11,255ft 22.9s 18s
OK Cesaroni M1810 24.94lb 92ft/s 1,542ft/s 18.4G 11,273ft 22.0s 18s
OK Cesaroni M1675 24.51lb 88ft/s 1,520ft/s 18.4G 11,445ft 22.0s 18s
OK Cesaroni M1670 24.53lb 92ft/s 1,447ft/s 19.3G 11,510ft 22.6s 19s
OK Cesaroni M1401 25.73lb 80ft/s 1,421ft/s 13.6G 11,605ft 22.7s 18s
OK Cesaroni M1400 24.69lb 95ft/s 1,407ft/s 19.1G 11,700ft 22.5s 18s
OK Cesaroni M1300 25.47lb 101ft/s 1,322ft/s 24.3G 11,919ft 22.7s 18s
OK Cesaroni M1540 26.02lb 91ft/s 1,509ft/s 19.8G 12,181ft 22.7s 18s
OK Cesaroni M2020 28.50lb 101ft/s 1,734ft/s 20.3G 13,651ft 23.4s 19s

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 Gorilla L695 speed at end of launch guide too slow (47ft/s)
failedG Loki L480 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni L395 speed at end of launch guide too slow (45ft/s)

G These simulations were run with a launch guide length of 8ft (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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