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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 48 motors that fit and appear to have enough thrust (730 motors didn't fit, 13 motors failed safety checks). 60 motor had thrust curves available and 123 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:   Swamp Monster
Owner: Edward Wilk
Body Diameter: 12.12in
Dry Weight: 84.00lb
MMT Diameter: 98.0mm
MMT Length: 46.00in
CD: 0.55

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 K1620 90.78lb 59ft/s 147ft/s 3.6G 423ft 5.8s 4s
OK AeroTech K1999 90.59lb 65ft/s 161ft/s 4.2G 480ft 6.0s 5s
OK AeroTech L1300 94.77lb 48ft/s 236ft/s 2.7G 1,169ft 10.0s 7s
OK AeroTech L1500 94.27lb 56ft/s 254ft/s 3.5G 1,292ft 10.1s 7s
OK AeroTech L2500 95.00lb 74ft/s 295ft/s 5.7G 1,375ft 9.8s 8s
OK Cesaroni L3150 94.43lb 85ft/s 319ft/s 7.7G 1,489ft 10.0s 8s
OK Cesaroni M1560 94.97lb 52ft/s 288ft/s 3.3G 1,567ft 11.2s 8s
OK AeroTech M1305 99.65lb 52ft/s 314ft/s 3.4G 2,191ft 13.3s 8s
OK AeroTech M1600 99.25lb 54ft/s 354ft/s 3.2G 2,300ft 13.4s 9s
OK Cesaroni M1060 98.71lb 48ft/s 301ft/s 2.4G 2,389ft 14.7s 7s
OK AeroTech M1340 99.43lb 51ft/s 335ft/s 3.3G 2,451ft 14.0s 8s
OK Cesaroni M1520 98.81lb 54ft/s 372ft/s 3.1G 2,579ft 14.2s 9s
OK Cesaroni M2505 97.78lb 71ft/s 434ft/s 5.8G 2,662ft 13.3s 10s
OK AeroTech M4500 98.60lb 102ft/s 476ft/s 11.7G 2,678ft 12.6s 11s
OK Cesaroni M4770 98.34lb 102ft/s 490ft/s 12.4G 2,723ft 12.8s 11s
OK AeroTech M2100 99.25lb 66ft/s 418ft/s 5.7G 2,741ft 13.7s 10s
OK AeroTech M2400 98.22lb 71ft/s 434ft/s 5.3G 2,754ft 13.6s 10s
OK Cesaroni M1790 102.24lb 54ft/s 408ft/s 3.5G 2,791ft 14.5s 10s
OK AeroTech M1800 104.20lb 57ft/s 403ft/s 5.2G 2,816ft 14.4s 9s
OK AeroTech M1845 98.73lb 63ft/s 418ft/s 4.5G 2,933ft 14.4s 10s
OK Gorilla M1025 106.35lb 50ft/s 336ft/s 2.8G 3,215ft 16.9s 8s
OK Cesaroni M6400 101.46lb 118ft/s 570ft/s 15.3G 3,271ft 13.5s 12s
OK AeroTech M2000 103.81lb 61ft/s 463ft/s 4.0G 3,322ft 15.3s 11s
OK Cesaroni M795 102.72lb 49ft/s 315ft/s 2.8G 3,471ft 18.5s 6s
OK AeroTech M2500 101.78lb 73ft/s 518ft/s 5.3G 3,614ft 15.3s 11s
OK Cesaroni M1890 103.45lb 58ft/s 474ft/s 3.9G 3,649ft 16.2s 11s
OK AeroTech M6000 102.65lb 112ft/s 618ft/s 14.6G 3,674ft 14.3s 13s
OK Cesaroni M1450 102.91lb 60ft/s 428ft/s 4.3G 3,681ft 16.6s 10s
OK Cesaroni M1800 102.39lb 58ft/s 474ft/s 3.8G 3,682ft 16.2s 11s
OK Cesaroni N1800 104.24lb 59ft/s 476ft/s 3.7G 3,852ft 16.7s 11s
OK Cesaroni M3400 101.88lb 83ft/s 585ft/s 7.6G 3,853ft 15.2s 12s
OK AeroTech M1939 103.82lb 59ft/s 459ft/s 3.7G 3,854ft 16.7s 10s
OK AeroTech N2220 110.45lb 67ft/s 511ft/s 5.1G 3,929ft 16.3s 11s
OK Cesaroni N10000 105.87lb 156ft/s 682ft/s 24.1G 3,931ft 14.4s 13s
OK Cesaroni N2600 109.31lb 67ft/s 561ft/s 5.1G 4,113ft 16.4s 12s
OK Gorilla N2717 106.35lb 69ft/s 568ft/s 7.7G 4,160ft 16.1s 12s
OK Cesaroni N2200 109.04lb 66ft/s 558ft/s 4.6G 4,547ft 17.5s 12s
OK Loki N3800 109.57lb 95ft/s 664ft/s 8.9G 4,761ft 16.4s 13s
OK AeroTech N2000 111.08lb 70ft/s 554ft/s 5.0G 5,016ft 18.3s 11s
OK AeroTech N1000 112.16lb 54ft/s 413ft/s 3.3G 5,220ft 21.7s 6s
OK Cesaroni N5600 108.87lb 111ft/s 787ft/s 12.7G 5,225ft 16.6s 14s
OK Cesaroni N2500 109.72lb 78ft/s 625ft/s 6.5G 5,246ft 18.0s 13s
OK AeroTech N3300 110.57lb 75ft/s 695ft/s 7.1G 5,262ft 17.7s 13s
OK Cesaroni N2850 109.77lb 74ft/s 672ft/s 5.7G 5,292ft 17.9s 13s
OK Cesaroni N1975 113.21lb 52ft/s 599ft/s 3.3G 5,375ft 19.7s 12s
OK Cesaroni N1100 109.55lb 66ft/s 444ft/s 4.6G 5,383ft 20.8s 8s
OK Cesaroni N3180 110.89lb 78ft/s 707ft/s 6.5G 5,467ft 18.0s 13s
OK Cesaroni N2501 113.34lb 73ft/s 661ft/s 5.9G 5,843ft 19.0s 13s

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 K680 speed at end of launch guide too slow (31ft/s)
failedG AeroTech K650 speed at end of launch guide too slow (28ft/s)
failedG AeroTech K458 speed at end of launch guide too slow (22ft/s)
failed5 AeroTech L339 average thrust fails 5:1 thrust/weight ratio (1:1)
failedG AeroTech L400 speed at end of launch guide too slow (25ft/s)
failedG AeroTech L952 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni L610 speed at end of launch guide too slow (33ft/s)
failedG AeroTech M1075 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni M520 speed at end of launch guide too slow (36ft/s)
failed5 Gorilla M1565 average thrust fails 5:1 thrust/weight ratio (3:1)
failedG Cesaroni M1290 speed at end of launch guide too slow (47ft/s)
failedG AeroTech M1419 speed at end of launch guide too slow (44ft/s)
failedG AeroTech M750 speed at end of launch guide too slow (35ft/s)

G These simulations were run with a launch guide length of 16ft (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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