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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 35 motors that fit and appear to have enough thrust (768 motors didn't fit, 8 motors failed safety checks). 43 motor had thrust curves available and 92 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:   Gizmo XL DD
Owner: Wayne Comfort
Body Diameter: 8.00in
Dry Weight: 41.00lb
MMT Diameter: 98.0mm
MMT Length: 30.00in
CD: 0.30

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 47.78lb 71ft/s 325ft/s 7.8G 1,685ft 10.7s 9s
OK AeroTech K1999 47.59lb 79ft/s 349ft/s 9.1G 1,868ft 11.2s 10s
OK AeroTech L1300 51.77lb 60ft/s 533ft/s 5.9G 4,232ft 17.1s 14s
OK AeroTech L1500 51.27lb 68ft/s 560ft/s 7.4G 4,501ft 17.1s 14s
OK AeroTech L2500 52.00lb 87ft/s 602ft/s 11.6G 4,531ft 16.7s 15s
OK Cesaroni L3150 51.43lb 100ft/s 642ft/s 15.3G 4,824ft 16.9s 15s
OK AeroTech M1075 56.37lb 50ft/s 558ft/s 4.2G 5,123ft 19.3s 14s
OK Cesaroni M1560 51.97lb 66ft/s 629ft/s 7.0G 5,320ft 18.6s 15s
OK AeroTech M1305 56.65lb 62ft/s 686ft/s 6.8G 6,908ft 21.2s 16s
OK AeroTech M1600 56.25lb 65ft/s 755ft/s 6.7G 7,186ft 21.3s 17s
OK Cesaroni M520 55.76lb 50ft/s 515ft/s 3.3G 7,208ft 24.5s 11s
OK AeroTech M1340 56.43lb 62ft/s 730ft/s 6.7G 7,596ft 22.0s 16s
OK Cesaroni M1060 55.71lb 60ft/s 694ft/s 5.1G 7,700ft 22.9s 16s
OK AeroTech M4500 55.60lb 121ft/s 916ft/s 22.3G 7,755ft 20.4s 19s
OK AeroTech M1419 56.25lb 55ft/s 706ft/s 5.0G 7,877ft 23.1s 15s
OK Cesaroni M4770 55.34lb 117ft/s 945ft/s 22.9G 7,902ft 20.6s 19s
OK Cesaroni M1290 57.34lb 59ft/s 756ft/s 5.2G 7,905ft 22.8s 17s
OK Cesaroni M2505 54.78lb 86ft/s 878ft/s 11.4G 7,948ft 21.4s 18s
OK Cesaroni M1520 55.81lb 67ft/s 791ft/s 6.4G 7,951ft 22.4s 18s
OK AeroTech M2100 56.25lb 79ft/s 857ft/s 11.2G 8,115ft 21.7s 18s
OK AeroTech M2400 55.22lb 84ft/s 881ft/s 10.3G 8,152ft 21.6s 18s
OK AeroTech M1800 61.20lb 67ft/s 821ft/s 9.5G 8,206ft 22.4s 17s
OK Cesaroni M1790 59.24lb 64ft/s 846ft/s 7.0G 8,327ft 22.7s 18s
OK AeroTech M1845 55.73lb 77ft/s 866ft/s 9.0G 8,659ft 22.5s 18s
OK Cesaroni M6400 58.46lb 138ft/s 1,066ft/s 28.2G 9,108ft 21.7s 20s
OK AeroTech M2000 60.81lb 73ft/s 938ft/s 7.9G 9,490ft 23.7s 19s
OK AeroTech M6000 59.65lb 123ft/s 1,148ft/s 27.1G 10,078ft 22.7s 21s
OK AeroTech M2500 58.78lb 86ft/s 1,028ft/s 10.2G 10,115ft 23.7s 19s
OK Cesaroni M1890 60.45lb 69ft/s 975ft/s 7.6G 10,347ft 24.7s 19s
OK Cesaroni M1800 59.39lb 72ft/s 975ft/s 7.3G 10,469ft 24.8s 19s
OK Cesaroni M1450 59.91lb 75ft/s 899ft/s 8.1G 10,480ft 25.2s 18s
OK Cesaroni M3400 58.88lb 98ft/s 1,134ft/s 14.4G 10,644ft 23.7s 21s
OK Cesaroni M795 59.72lb 63ft/s 724ft/s 5.5G 10,648ft 27.4s 15s
OK AeroTech M1939 60.82lb 69ft/s 950ft/s 7.3G 10,791ft 25.2s 18s
OK Cesaroni N1800 61.24lb 70ft/s 982ft/s 7.1G 10,820ft 25.2s 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 AeroTech K680 speed at end of launch guide too slow (43ft/s)
failedG AeroTech K650 speed at end of launch guide too slow (39ft/s)
failedG AeroTech K458 speed at end of launch guide too slow (30ft/s)
failedG AeroTech L339 speed at end of launch guide too slow (27ft/s)
failedG AeroTech L400 speed at end of launch guide too slow (36ft/s)
failedG AeroTech L952 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni L610 speed at end of launch guide too slow (46ft/s)
failedG AeroTech M750 speed at end of launch guide too slow (45ft/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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