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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 104 motors that fit and appear to have enough thrust (707 motors didn't fit). All motors had thrust curves available and 192 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:   Mongoose 75fb
Owner: Karl Tyrrell
Body Diameter: 3.15in
Dry Weight: 10.20lb
MMT Diameter: 75.0mm
MMT Length: 40.00in
CD: 0.44
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 18.30lb 79ft/s 483ft/s 16.0G 3,649ft 15.3s 13s
OK Contrail K630 18.03lb 61ft/s 507ft/s 10.2G 3,915ft 16.0s 14s
OK Contrail K456 18.37lb 68ft/s 526ft/s 10.0G 4,682ft 17.6s 14s
OK AeroTech K1499 14.04lb 115ft/s 674ft/s 27.1G 5,190ft 17.3s 16s
OK Contrail K300 19.15lb 50ft/s 523ft/s 5.2G 5,364ft 20.0s 14s
OK Contrail K678 19.13lb 79ft/s 611ft/s 12.7G 5,540ft 18.7s 16s
OK Contrail K777 19.13lb 95ft/s 615ft/s 20.1G 5,586ft 18.6s 16s
OK Contrail K543 18.15lb 71ft/s 717ft/s 10.1G 7,200ft 21.3s 18s
OK Cesaroni K735 15.73lb 64ft/s 847ft/s 12.4G 7,905ft 21.6s 19s
OK Contrail K404 19.35lb 58ft/s 709ft/s 6.8G 8,076ft 23.3s 17s
OK Contrail K888 19.40lb 86ft/s 817ft/s 14.9G 8,415ft 22.4s 20s
OK AeroTech K780 16.67lb 69ft/s 957ft/s 12.5G 9,484ft 23.3s 20s
OK Cesaroni K2000 15.63lb 112ft/s 1,095ft/s 36.7G 9,898ft 22.7s 22s
OK Cesaroni K555 16.28lb 57ft/s 952ft/s 8.3G 9,934ft 24.4s 20s
OK AeroTech K560 16.25lb 62ft/s 929ft/s 10.3G 10,094ft 24.3s 19s
OK Cesaroni K1085 15.56lb 84ft/s 1,076ft/s 16.9G 10,209ft 23.5s 21s
OK Cesaroni K661 15.77lb 66ft/s 1,005ft/s 10.2G 10,311ft 24.3s 21s
OK Cesaroni K510 15.91lb 65ft/s 942ft/s 8.7G 10,375ft 24.8s 20s
OK AeroTech K1000 15.94lb 89ft/s 1,079ft/s 15.8G 10,536ft 23.8s 21s
OK Gorilla L695 17.70lb 51ft/s 1,020ft/s 13.6G 10,586ft 24.8s 21s
OK Cesaroni L585 16.34lb 64ft/s 1,032ft/s 8.4G 11,138ft 25.4s 21s
OK Cesaroni L820 17.74lb 63ft/s 1,134ft/s 12.0G 11,850ft 25.8s 22s
OK Loki L780 17.92lb 58ft/s 1,153ft/s 11.6G 12,180ft 26.1s 22s
OK Cesaroni L910 15.97lb 80ft/s 1,204ft/s 14.3G 12,283ft 25.6s 22s
OK Loki L480 18.00lb 48ft/s 1,079ft/s 6.4G 12,912ft 28.0s 22s
OK Gorilla L789 17.65lb 64ft/s 1,239ft/s 11.2G 13,426ft 27.0s 23s
OK Cesaroni L3200 17.40lb 142ft/s 1,439ft/s 51.3G 13,427ft 25.5s 24s
OK Gorilla L425 17.92lb 63ft/s 1,011ft/s 8.5G 13,655ft 28.5s 21s
OK Cesaroni L645 18.47lb 61ft/s 1,184ft/s 8.8G 13,721ft 27.9s 23s
OK Contrail L369 20.78lb 50ft/s 903ft/s 4.8G 13,739ft 30.7s 20s
OK AeroTech L1150 18.30lb 86ft/s 1,326ft/s 16.1G 13,880ft 26.8s 24s
OK AeroTech L875 20.29lb 67ft/s 1,264ft/s 11.4G 14,217ft 27.9s 23s
OK Loki L930 18.00lb 78ft/s 1,315ft/s 13.8G 14,264ft 27.4s 23s
OK Gorilla L1150 17.92lb 79ft/s 1,357ft/s 22.5G 14,332ft 27.0s 24s
OK AeroTech L1040 20.60lb 73ft/s 1,294ft/s 14.0G 14,361ft 27.7s 24s
OK Gorilla L985 18.21lb 67ft/s 1,367ft/s 13.9G 14,390ft 27.6s 24s
OK Cesaroni L995 18.12lb 85ft/s 1,332ft/s 15.7G 14,463ft 27.3s 24s
OK AeroTech L900 20.61lb 66ft/s 1,271ft/s 11.4G 14,471ft 28.1s 24s
OK AeroTech L850 18.45lb 77ft/s 1,287ft/s 14.0G 14,480ft 27.5s 23s
OK Cesaroni L1355 21.14lb 91ft/s 1,375ft/s 19.7G 14,662ft 27.4s 24s
OK Gorilla L1112 18.20lb 83ft/s 1,379ft/s 15.7G 14,706ft 27.5s 24s
OK Cesaroni L851 18.55lb 70ft/s 1,334ft/s 11.7G 14,723ft 28.0s 24s
OK AeroTech L1256 18.48lb 89ft/s 1,419ft/s 17.9G 14,916ft 27.4s 24s
OK AeroTech L1520 18.25lb 96ft/s 1,470ft/s 21.3G 14,970ft 27.2s 25s
OK Cesaroni L1720 17.57lb 105ft/s 1,541ft/s 25.4G 15,033ft 27.0s 25s
OK Cesaroni L1050 17.80lb 79ft/s 1,407ft/s 14.9G 15,098ft 27.7s 24s
OK Cesaroni L800 17.94lb 79ft/s 1,311ft/s 14.0G 15,104ft 28.2s 23s
OK Loki L840 18.46lb 75ft/s 1,341ft/s 14.1G 15,321ft 28.1s 23s
OK AeroTech L1170 21.20lb 84ft/s 1,403ft/s 15.7G 15,437ft 28.2s 25s
OK AeroTech L1390 18.75lb 89ft/s 1,479ft/s 19.9G 15,499ft 27.8s 25s
OK AeroTech L1250 22.65lb 79ft/s 1,342ft/s 14.8G 15,554ft 28.7s 25s
OK Loki L1482 18.00lb 88ft/s 1,555ft/s 22.2G 15,558ft 27.6s 25s
OK Gorilla L1065 22.02lb 80ft/s 1,357ft/s 18.1G 15,956ft 28.6s 25s
OK Cesaroni L1350 18.07lb 95ft/s 1,630ft/s 19.2G 16,975ft 28.5s 25s
OK AMW L1290 22.10lb 75ft/s 1,500ft/s 15.4G 17,044ft 29.6s 26s
OK Cesaroni L1685 23.54lb 98ft/s 1,582ft/s 22.1G 17,287ft 29.0s 26s
OK AeroTech L1420 20.26lb 93ft/s 1,635ft/s 19.1G 17,345ft 29.0s 26s
OK AeroTech L1365 21.02lb 85ft/s 1,592ft/s 17.4G 17,555ft 29.5s 26s
OK Cesaroni L395 22.78lb 49ft/s 1,059ft/s 4.7G 17,661ft 34.4s 22s
OK Cesaroni L1410 21.48lb 80ft/s 1,627ft/s 18.0G 17,699ft 29.6s 26s
OK AeroTech L2200 20.74lb 121ft/s 1,770ft/s 35.2G 18,412ft 29.1s 27s
OK Cesaroni L2375 19.37lb 111ft/s 1,896ft/s 32.1G 18,454ft 28.9s 27s
OK Cesaroni L1395 19.73lb 94ft/s 1,736ft/s 19.7G 18,504ft 29.6s 26s
OK Loki M1200 22.03lb 71ft/s 1,615ft/s 15.8G 18,611ft 30.5s 26s
OK Cesaroni L1115 19.91lb 92ft/s 1,619ft/s 17.7G 18,684ft 30.2s 26s
OK AeroTech M1350 20.80lb 94ft/s 1,674ft/s 18.9G 18,802ft 29.9s 26s
OK Gorilla M745 22.59lb 78ft/s 1,357ft/s 14.8G 18,963ft 31.5s 24s
OK Gorilla M1355 22.33lb 83ft/s 1,643ft/s 19.6G 18,995ft 30.5s 27s
OK Cesaroni M1101 21.09lb 85ft/s 1,654ft/s 14.4G 19,040ft 30.5s 26s
OK AeroTech M1500 20.99lb 97ft/s 1,745ft/s 18.7G 19,130ft 30.2s 27s
OK AeroTech M1550 22.64lb 97ft/s 1,737ft/s 20.2G 19,364ft 30.5s 27s
OK AeroTech M1297 20.42lb 101ft/s 1,748ft/s 21.0G 19,696ft 30.3s 26s
OK AeroTech M1780 20.59lb 110ft/s 1,845ft/s 25.4G 19,751ft 30.1s 27s
OK Cesaroni M2250 19.93lb 120ft/s 1,970ft/s 31.2G 19,786ft 29.6s 27s
OK Loki M900 22.39lb 63ft/s 1,594ft/s 10.4G 19,817ft 32.0s 26s
OK Cesaroni M1230 20.88lb 81ft/s 1,754ft/s 16.3G 19,952ft 30.8s 26s
OK Gorilla M1665 22.59lb 97ft/s 1,770ft/s 23.4G 20,114ft 30.8s 27s
OK AeroTech M2050 20.25lb 114ft/s 1,926ft/s 27.6G 20,179ft 30.3s 28s
OK Cesaroni M1830 20.17lb 108ft/s 1,942ft/s 24.2G 20,286ft 30.3s 27s
OK Cesaroni M1770 23.41lb 94ft/s 1,872ft/s 20.3G 20,354ft 30.9s 27s
OK Cesaroni M2075 26.05lb 104ft/s 1,783ft/s 24.8G 20,426ft 31.2s 28s
OK Cesaroni M1160 22.76lb 74ft/s 1,758ft/s 13.7G 20,723ft 31.8s 27s
OK Gorilla M1952 22.20lb 117ft/s 1,896ft/s 26.6G 20,735ft 30.8s 27s
OK Cesaroni M3100 21.26lb 128ft/s 2,195ft/s 41.8G 21,237ft 30.2s 28s
OK Cesaroni M1810 22.14lb 99ft/s 1,992ft/s 22.0G 21,246ft 31.1s 28s
OK Loki M1882 22.40lb 106ft/s 1,992ft/s 27.4G 21,466ft 31.0s 28s
OK Cesaroni M1401 22.93lb 86ft/s 1,868ft/s 15.9G 21,498ft 31.8s 27s
OK Cesaroni M1675 21.71lb 94ft/s 1,975ft/s 21.8G 21,559ft 31.2s 27s
OK Cesaroni M1670 21.73lb 99ft/s 1,848ft/s 21.9G 21,570ft 31.9s 28s
OK AeroTech M650 21.50lb 80ft/s 1,452ft/s 12.9G 21,712ft 33.1s 22s
OK Cesaroni M1400 21.89lb 99ft/s 1,863ft/s 21.7G 21,800ft 31.7s 27s
OK Cesaroni M1300 22.67lb 114ft/s 1,802ft/s 27.6G 21,982ft 31.8s 27s
OK Loki M1650 22.61lb 122ft/s 1,876ft/s 36.2G 22,000ft 31.6s 27s
OK Loki M2550 22.39lb 119ft/s 2,162ft/s 32.1G 22,255ft 31.1s 29s
OK AeroTech M1315 22.64lb 90ft/s 1,846ft/s 17.0G 22,466ft 32.2s 26s
OK Cesaroni M1540 23.22lb 97ft/s 1,984ft/s 22.4G 22,758ft 32.0s 28s
OK Cesaroni M3700 22.94lb 141ft/s 2,269ft/s 43.9G 22,783ft 31.3s 30s
OK AeroTech M1850 24.96lb 98ft/s 1,830ft/s 20.8G 23,570ft 33.0s 27s
OK Cesaroni M2045 23.58lb 102ft/s 2,194ft/s 25.1G 23,881ft 32.3s 29s
OK Cesaroni M2150 24.14lb 100ft/s 2,239ft/s 25.7G 24,091ft 32.4s 29s
OK Cesaroni M1590 23.60lb 99ft/s 2,090ft/s 21.3G 24,704ft 33.0s 28s
OK Cesaroni M840 25.53lb 85ft/s 1,660ft/s 16.3G 25,036ft 35.4s 26s
OK AeroTech M685 25.65lb 74ft/s 1,520ft/s 11.2G 25,391ft 36.4s 24s
OK Cesaroni M2020 25.70lb 106ft/s 2,251ft/s 23.4G 25,731ft 33.3s 29s

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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