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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 82 motors that fit and appear to have enough thrust (707 motors didn't fit, 2 motors failed safety checks). 84 motor had thrust curves available and 156 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:   Intimidator 4
Owner: Mickey Breece
Body Diameter: 4.00in
Dry Weight: 20.92lb
MMT Diameter: 76.0mm
MMT Length: 31.50in
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 K1499 24.76lb 104ft/s 364ft/s 14.8G 1,863ft 10.8s 10s
OK Cesaroni K735 26.45lb 59ft/s 456ft/s 6.7G 3,090ft 14.5s 12s
OK AeroTech K780 27.39lb 67ft/s 531ft/s 7.0G 3,931ft 16.1s 13s
OK Cesaroni K555 27.00lb 52ft/s 505ft/s 4.4G 4,000ft 17.0s 13s
OK AeroTech K560 26.97lb 58ft/s 498ft/s 5.7G 4,177ft 17.0s 12s
OK Cesaroni K2000 26.35lb 111ft/s 616ft/s 20.7G 4,208ft 15.6s 14s
OK Cesaroni K510 26.63lb 60ft/s 496ft/s 4.7G 4,209ft 17.3s 13s
OK Cesaroni K661 26.49lb 59ft/s 540ft/s 5.5G 4,231ft 16.9s 13s
OK Cesaroni K1085 26.28lb 77ft/s 589ft/s 9.3G 4,271ft 16.3s 14s
OK AeroTech K1000 26.66lb 81ft/s 597ft/s 8.8G 4,480ft 16.6s 14s
OK Gorilla L695 28.42lb 49ft/s 571ft/s 7.7G 4,512ft 17.5s 14s
OK Cesaroni L585 27.06lb 58ft/s 554ft/s 4.6G 4,656ft 18.0s 13s
OK Cesaroni L820 28.46lb 60ft/s 638ft/s 6.8G 5,208ft 18.4s 15s
OK Loki L780 28.64lb 55ft/s 648ft/s 6.6G 5,361ft 18.7s 15s
OK Cesaroni L910 26.69lb 75ft/s 664ft/s 7.9G 5,368ft 18.2s 15s
OK Gorilla L425 28.64lb 58ft/s 548ft/s 4.9G 6,014ft 20.9s 13s
OK Gorilla L789 28.37lb 62ft/s 695ft/s 6.3G 6,046ft 19.6s 15s
OK Cesaroni L645 29.19lb 57ft/s 662ft/s 5.0G 6,194ft 20.4s 15s
OK Cesaroni L3200 28.12lb 132ft/s 843ft/s 30.0G 6,248ft 18.3s 17s
OK AeroTech L1150 29.02lb 81ft/s 767ft/s 9.4G 6,443ft 19.5s 16s
OK Loki L930 28.72lb 70ft/s 749ft/s 7.9G 6,587ft 20.0s 16s
OK Gorilla L985 28.93lb 65ft/s 780ft/s 8.0G 6,615ft 20.1s 17s
OK Gorilla L1150 28.64lb 76ft/s 785ft/s 13.1G 6,689ft 19.7s 17s
OK AeroTech L875 31.01lb 65ft/s 743ft/s 6.7G 6,693ft 20.5s 16s
OK Cesaroni L995 28.84lb 81ft/s 766ft/s 9.2G 6,766ft 20.0s 16s
OK AeroTech L850 29.17lb 75ft/s 742ft/s 8.3G 6,819ft 20.2s 16s
OK Cesaroni L851 29.27lb 66ft/s 759ft/s 6.7G 6,835ft 20.6s 16s
OK AeroTech L900 31.33lb 67ft/s 751ft/s 6.8G 6,836ft 20.6s 16s
OK AeroTech L1040 31.32lb 70ft/s 771ft/s 8.4G 6,860ft 20.3s 16s
OK Gorilla L1112 28.92lb 81ft/s 800ft/s 9.1G 6,902ft 20.1s 17s
OK Cesaroni L800 28.66lb 75ft/s 746ft/s 8.4G 7,042ft 20.7s 16s
OK Cesaroni L1050 28.52lb 76ft/s 807ft/s 8.7G 7,078ft 20.4s 17s
OK AeroTech L1520 28.97lb 91ft/s 860ft/s 12.5G 7,106ft 19.9s 17s
OK Cesaroni L1720 28.29lb 101ft/s 890ft/s 14.8G 7,110ft 19.7s 18s
OK Cesaroni L1355 31.86lb 87ft/s 830ft/s 12.0G 7,163ft 20.2s 17s
OK Loki L840 29.18lb 72ft/s 773ft/s 8.3G 7,267ft 20.8s 16s
OK Loki L1482 28.72lb 85ft/s 902ft/s 12.4G 7,390ft 20.2s 18s
OK AeroTech L1390 29.47lb 86ft/s 869ft/s 11.9G 7,408ft 20.4s 17s
OK AeroTech L1170 31.92lb 81ft/s 847ft/s 9.5G 7,531ft 20.8s 17s
OK AeroTech L1250 33.37lb 79ft/s 834ft/s 9.4G 7,614ft 21.1s 17s
OK Gorilla L1065 32.74lb 84ft/s 838ft/s 11.5G 7,896ft 21.1s 17s
OK Cesaroni L1350 28.79lb 87ft/s 947ft/s 11.2G 8,235ft 21.2s 18s
OK AMW L1290 32.82lb 75ft/s 918ft/s 9.5G 8,387ft 21.9s 18s
OK AeroTech L1420 30.98lb 88ft/s 977ft/s 11.5G 8,567ft 21.6s 18s
OK AeroTech L1365 31.74lb 87ft/s 965ft/s 10.7G 8,722ft 22.0s 18s
OK Cesaroni L1410 32.20lb 82ft/s 984ft/s 10.8G 8,797ft 22.1s 19s
OK Cesaroni L1685 34.26lb 100ft/s 986ft/s 14.0G 8,833ft 21.7s 19s
OK Cesaroni L1395 30.45lb 92ft/s 1,032ft/s 12.4G 9,207ft 22.2s 19s
OK Cesaroni L2375 30.09lb 115ft/s 1,132ft/s 19.3G 9,244ft 21.6s 20s
OK Cesaroni L1115 30.63lb 89ft/s 961ft/s 11.1G 9,302ft 22.7s 18s
OK AeroTech L2200 31.46lb 117ft/s 1,088ft/s 21.9G 9,302ft 21.7s 19s
OK Loki M1200 32.75lb 72ft/s 983ft/s 9.7G 9,339ft 22.9s 18s
OK AeroTech M1350 31.52lb 92ft/s 1,014ft/s 11.7G 9,497ft 22.5s 19s
OK Gorilla M745 33.31lb 81ft/s 822ft/s 9.6G 9,541ft 23.8s 17s
OK Gorilla M1355 33.05lb 83ft/s 1,014ft/s 12.2G 9,587ft 22.8s 19s
OK Cesaroni M1101 31.81lb 81ft/s 986ft/s 9.2G 9,593ft 23.1s 18s
OK AeroTech M1500 31.71lb 91ft/s 1,056ft/s 11.4G 9,610ft 22.7s 19s
OK AeroTech M1550 33.36lb 98ft/s 1,073ft/s 13.3G 9,875ft 22.9s 19s
OK Loki M900 33.11lb 62ft/s 954ft/s 6.3G 9,935ft 24.3s 18s
OK AeroTech M1297 31.14lb 98ft/s 1,051ft/s 13.4G 10,038ft 23.0s 19s
OK AeroTech M1780 31.31lb 108ft/s 1,124ft/s 16.3G 10,062ft 22.6s 19s
OK Cesaroni M2250 30.65lb 117ft/s 1,191ft/s 19.1G 10,106ft 22.3s 20s
OK Cesaroni M1230 31.60lb 83ft/s 1,050ft/s 10.0G 10,144ft 23.4s 19s
OK Gorilla M1665 33.31lb 101ft/s 1,102ft/s 14.8G 10,302ft 23.1s 20s
OK Cesaroni M1830 30.89lb 104ft/s 1,170ft/s 15.3G 10,356ft 22.9s 20s
OK Cesaroni M1160 33.48lb 74ft/s 1,064ft/s 8.5G 10,617ft 24.3s 19s
OK Gorilla M1952 32.92lb 116ft/s 1,184ft/s 17.5G 10,727ft 23.2s 20s
OK Cesaroni M1670 32.45lb 99ft/s 1,151ft/s 14.3G 10,937ft 23.8s 20s
OK Cesaroni M1810 32.86lb 95ft/s 1,223ft/s 13.8G 11,000ft 23.6s 20s
OK Cesaroni M3100 31.98lb 125ft/s 1,350ft/s 26.1G 11,019ft 22.8s 21s
OK AeroTech M650 32.22lb 78ft/s 859ft/s 8.3G 11,151ft 25.8s 14s
OK Loki M1882 33.12lb 108ft/s 1,240ft/s 17.1G 11,165ft 23.5s 20s
OK Cesaroni M1401 33.65lb 83ft/s 1,148ft/s 10.2G 11,178ft 24.3s 19s
OK Cesaroni M1675 32.43lb 98ft/s 1,212ft/s 13.8G 11,179ft 23.7s 20s
OK Cesaroni M1400 32.61lb 98ft/s 1,141ft/s 14.2G 11,291ft 24.1s 19s
OK Cesaroni M1300 33.39lb 115ft/s 1,103ft/s 18.3G 11,515ft 24.3s 19s
OK Loki M1650 33.33lb 120ft/s 1,168ft/s 24.2G 11,541ft 24.0s 19s
OK Loki M2550 33.11lb 121ft/s 1,348ft/s 20.3G 11,631ft 23.5s 21s
OK AeroTech M1315 33.36lb 89ft/s 1,138ft/s 11.1G 11,808ft 24.8s 19s
OK Cesaroni M3700 33.66lb 144ft/s 1,435ft/s 27.8G 11,858ft 23.5s 22s
OK Cesaroni M1540 33.94lb 101ft/s 1,229ft/s 15.0G 11,991ft 24.5s 20s
OK Cesaroni M2020 36.42lb 107ft/s 1,439ft/s 15.6G 13,889ft 25.6s 21s

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 Loki L480 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni L395 speed at end of launch guide too slow (46ft/s)

G These simulations were run with a launch guide length of 12ft (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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