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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 95 motors that fit and appear to have enough thrust (696 motors didn't fit). All motors had thrust curves available and 177 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:   Modified PML Eclipse
Owner: Ken Bell
Body Diameter: 4.00in
Dry Weight: 9.00lb
MMT Diameter: 75.0mm
MMT Length: 35.00in
CD: 0.60
Web Site:

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 Contrail K707 17.10lb 92ft/s 506ft/s 17.2G 3,382ft 14.3s 12s
OK Contrail K630 16.83lb 72ft/s 532ft/s 11.0G 3,572ft 14.8s 13s
OK Contrail K456 17.17lb 80ft/s 544ft/s 10.7G 4,174ft 16.0s 12s
OK AeroTech K1499 12.84lb 134ft/s 727ft/s 29.7G 4,208ft 14.7s 14s
OK Contrail K543 16.95lb 83ft/s 726ft/s 10.9G 5,873ft 18.3s 15s
OK Cesaroni K735 14.53lb 76ft/s 866ft/s 13.1G 5,942ft 17.6s 15s
OK Cesaroni K2000 14.43lb 131ft/s 1,146ft/s 39.2G 6,851ft 17.6s 16s
OK AeroTech K780 15.47lb 82ft/s 961ft/s 13.2G 6,903ft 18.7s 16s
OK Cesaroni K1085 14.36lb 96ft/s 1,092ft/s 17.8G 7,114ft 18.3s 16s
OK Cesaroni K555 15.08lb 67ft/s 925ft/s 8.5G 7,225ft 19.7s 15s
OK AeroTech K560 15.05lb 73ft/s 883ft/s 10.7G 7,305ft 19.5s 15s
OK AeroTech K1000 14.74lb 102ft/s 1,083ft/s 16.8G 7,340ft 18.6s 16s
OK Cesaroni K661 14.57lb 75ft/s 987ft/s 10.8G 7,362ft 19.3s 16s
OK Cesaroni K510 14.71lb 77ft/s 891ft/s 9.4G 7,538ft 20.0s 15s
OK Gorilla L695 16.50lb 59ft/s 1,013ft/s 13.8G 7,559ft 19.8s 16s
OK Cesaroni L585 15.14lb 73ft/s 986ft/s 8.8G 7,894ft 20.1s 16s
OK Cesaroni L820 16.54lb 74ft/s 1,111ft/s 12.3G 8,236ft 20.2s 16s
OK Cesaroni L910 14.77lb 92ft/s 1,172ft/s 14.9G 8,323ft 19.7s 16s
OK Loki L780 16.72lb 68ft/s 1,123ft/s 11.7G 8,428ft 20.4s 17s
OK Cesaroni L3200 16.20lb 166ft/s 1,493ft/s 54.0G 8,672ft 19.0s 18s
OK Gorilla L789 16.45lb 75ft/s 1,182ft/s 11.5G 9,087ft 20.9s 17s
OK Loki L480 16.80lb 57ft/s 994ft/s 6.4G 9,145ft 22.3s 16s
OK AeroTech L1150 17.10lb 99ft/s 1,287ft/s 16.7G 9,233ft 20.4s 17s
OK Gorilla L1150 16.72lb 94ft/s 1,303ft/s 22.7G 9,414ft 20.5s 17s
OK Cesaroni L645 17.27lb 71ft/s 1,097ft/s 8.9G 9,441ft 21.8s 16s
OK Loki L930 16.80lb 91ft/s 1,249ft/s 14.1G 9,505ft 20.9s 17s
OK Gorilla L985 17.01lb 75ft/s 1,321ft/s 14.3G 9,547ft 21.1s 18s
OK Cesaroni L995 16.92lb 97ft/s 1,257ft/s 16.2G 9,589ft 20.8s 17s
OK Cesaroni L1720 16.37lb 121ft/s 1,529ft/s 26.6G 9,593ft 20.0s 18s
OK Cesaroni L1355 19.94lb 103ft/s 1,324ft/s 20.1G 9,660ft 20.7s 18s
OK AeroTech L850 17.25lb 91ft/s 1,200ft/s 14.8G 9,677ft 21.0s 16s
OK AeroTech L875 19.09lb 78ft/s 1,207ft/s 10.9G 9,682ft 21.6s 17s
OK AeroTech L1040 19.40lb 82ft/s 1,244ft/s 14.0G 9,684ft 21.3s 17s
OK AeroTech L1520 17.05lb 110ft/s 1,441ft/s 21.9G 9,695ft 20.4s 18s
OK Gorilla L1112 17.00lb 100ft/s 1,332ft/s 16.3G 9,704ft 20.8s 17s
OK Gorilla L425 16.72lb 73ft/s 904ft/s 9.2G 9,714ft 22.8s 15s
OK Cesaroni L851 17.35lb 82ft/s 1,250ft/s 11.8G 9,822ft 21.5s 17s
OK AeroTech L900 19.41lb 77ft/s 1,213ft/s 11.2G 9,848ft 21.8s 17s
OK Cesaroni L1050 16.60lb 94ft/s 1,338ft/s 15.5G 9,899ft 21.0s 17s
OK Loki L1482 16.80lb 106ft/s 1,528ft/s 20.7G 9,967ft 20.6s 18s
OK AeroTech L1390 17.55lb 106ft/s 1,427ft/s 20.8G 10,050ft 20.9s 18s
OK Cesaroni L800 16.74lb 92ft/s 1,204ft/s 15.1G 10,086ft 21.5s 17s
OK Loki L840 17.26lb 89ft/s 1,239ft/s 14.3G 10,148ft 21.4s 17s
OK AeroTech L1170 20.00lb 99ft/s 1,350ft/s 15.7G 10,206ft 21.5s 18s
OK Contrail L369 19.58lb 57ft/s 806ft/s 5.2G 10,445ft 25.7s 15s
OK AeroTech L1250 21.45lb 92ft/s 1,300ft/s 15.3G 10,540ft 22.2s 18s
OK Gorilla L1065 20.82lb 94ft/s 1,289ft/s 18.8G 10,630ft 21.9s 18s
OK Cesaroni L1350 16.87lb 109ft/s 1,544ft/s 19.7G 10,762ft 21.2s 18s
OK AeroTech L1420 19.06lb 105ft/s 1,556ft/s 19.0G 11,052ft 21.6s 18s
OK Cesaroni L1685 22.34lb 118ft/s 1,501ft/s 22.2G 11,089ft 21.7s 19s
OK AMW L1290 20.90lb 88ft/s 1,435ft/s 15.5G 11,200ft 22.5s 19s
OK Cesaroni L2375 18.17lb 138ft/s 1,852ft/s 32.8G 11,306ft 21.0s 19s
OK AeroTech L1365 19.82lb 101ft/s 1,512ft/s 17.8G 11,313ft 22.1s 18s
OK Cesaroni L1410 20.28lb 94ft/s 1,542ft/s 17.5G 11,338ft 22.1s 19s
OK AeroTech L2200 19.54lb 138ft/s 1,705ft/s 36.2G 11,482ft 21.4s 19s
OK Cesaroni L1395 18.53lb 111ft/s 1,629ft/s 21.0G 11,650ft 21.9s 19s
OK AeroTech M1350 19.60lb 106ft/s 1,555ft/s 19.5G 11,930ft 22.2s 18s
OK Cesaroni L1115 18.71lb 106ft/s 1,475ft/s 18.9G 11,975ft 22.6s 18s
OK Loki M1200 20.83lb 83ft/s 1,507ft/s 15.5G 11,995ft 22.9s 18s
OK Cesaroni M2250 18.73lb 137ft/s 1,876ft/s 31.9G 12,046ft 21.4s 19s
OK AeroTech M1500 19.79lb 109ft/s 1,632ft/s 18.7G 12,092ft 22.4s 19s
OK Gorilla M1355 21.13lb 93ft/s 1,531ft/s 19.5G 12,163ft 22.8s 19s
OK Cesaroni M1101 19.89lb 95ft/s 1,496ft/s 15.3G 12,171ft 22.8s 18s
OK AeroTech M1780 19.39lb 129ft/s 1,736ft/s 27.1G 12,273ft 22.0s 19s
OK AeroTech M1550 21.44lb 113ft/s 1,627ft/s 21.4G 12,284ft 22.6s 19s
OK AeroTech M1297 19.22lb 114ft/s 1,598ft/s 22.4G 12,376ft 22.3s 18s
OK Cesaroni M1830 18.97lb 122ft/s 1,812ft/s 25.5G 12,466ft 22.0s 19s
OK Cesaroni M1230 19.68lb 96ft/s 1,589ft/s 16.7G 12,574ft 22.8s 18s
OK Gorilla M1665 21.39lb 117ft/s 1,648ft/s 23.8G 12,658ft 22.8s 19s
OK Cesaroni M3100 20.06lb 147ft/s 2,125ft/s 42.8G 12,691ft 21.6s 20s
OK Gorilla M745 21.39lb 91ft/s 1,207ft/s 15.6G 12,725ft 24.2s 17s
OK Cesaroni M1770 22.21lb 106ft/s 1,765ft/s 20.2G 12,728ft 22.8s 19s
OK Cesaroni L395 21.58lb 56ft/s 929ft/s 5.1G 12,825ft 28.2s 16s
OK Gorilla M1952 21.00lb 133ft/s 1,790ft/s 28.2G 12,874ft 22.6s 19s
OK Loki M900 21.19lb 72ft/s 1,422ft/s 10.3G 12,916ft 24.3s 18s
OK Cesaroni M2075 24.85lb 117ft/s 1,685ft/s 26.1G 12,947ft 23.2s 20s
OK Cesaroni M1810 20.94lb 111ft/s 1,854ft/s 22.4G 13,092ft 22.7s 19s
OK Loki M1882 21.20lb 127ft/s 1,865ft/s 27.2G 13,185ft 22.6s 19s
OK Cesaroni M1160 21.56lb 84ft/s 1,575ft/s 13.6G 13,201ft 23.8s 19s
OK Cesaroni M1675 20.51lb 113ft/s 1,826ft/s 22.4G 13,291ft 22.8s 19s
OK Loki M2550 21.19lb 136ft/s 2,046ft/s 32.5G 13,434ft 22.4s 20s
OK Cesaroni M1401 21.73lb 96ft/s 1,698ft/s 16.3G 13,523ft 23.5s 19s
OK Cesaroni M1670 20.53lb 111ft/s 1,733ft/s 23.3G 13,586ft 23.7s 20s
OK Cesaroni M3700 21.74lb 162ft/s 2,211ft/s 44.3G 13,637ft 22.5s 21s
OK Cesaroni M1400 20.69lb 114ft/s 1,682ft/s 23.0G 13,649ft 23.3s 19s
OK Loki M1650 21.41lb 147ft/s 1,693ft/s 38.3G 13,765ft 23.2s 19s
OK Cesaroni M1300 21.47lb 130ft/s 1,566ft/s 29.1G 13,872ft 23.5s 19s
OK Cesaroni M1540 22.02lb 116ft/s 1,797ft/s 23.7G 14,101ft 23.5s 19s
OK AeroTech M1315 21.44lb 103ft/s 1,658ft/s 17.9G 14,159ft 23.8s 18s
OK Cesaroni M2045 22.38lb 123ft/s 2,011ft/s 25.5G 14,513ft 23.4s 20s
OK Cesaroni M2150 22.94lb 121ft/s 2,050ft/s 25.9G 14,594ft 23.4s 20s
OK AeroTech M650 20.30lb 90ft/s 1,249ft/s 13.8G 14,644ft 25.9s 14s
OK Cesaroni M1590 22.40lb 119ft/s 1,857ft/s 22.4G 15,223ft 24.1s 19s
OK Cesaroni M2020 24.50lb 119ft/s 2,041ft/s 23.9G 15,674ft 24.2s 20s
OK Cesaroni M840 24.33lb 98ft/s 1,401ft/s 17.1G 16,385ft 27.0s 18s

Don't like the units? Login to set your preferences. Don't understand the results? See the motor guide help page.

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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