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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 51 motors that fit and appear to have enough thrust (725 motors didn't fit, 15 motors failed safety checks). 66 motor had thrust curves available and 117 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:   Level-2
Owner: Kevin Cobb
Body Diameter: 4.00in
Dry Weight: 146.0oz
MMT Diameter: 54.0mm
MMT Length: 14.00in
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 I215 164.6oz 48ft/s 218ft/s 4.7G 836ft 7.9s 6s
OK AeroTech I229 164.1oz 49ft/s 234ft/s 5.0G 915ft 8.1s 6s
OK AeroTech I599 164.1oz 90ft/s 267ft/s 15.8G 962ft 7.7s 7s
OK Cesaroni I218 166.5oz 48ft/s 264ft/s 4.7G 1,183ft 9.2s 7s
OK Cesaroni I445 166.3oz 67ft/s 296ft/s 10.5G 1,198ft 8.7s 8s
OK Cesaroni J280 179.7oz 48ft/s 377ft/s 5.5G 1,959ft 11.5s 9s
OK AeroTech J250 171.0oz 54ft/s 362ft/s 6.1G 2,022ft 11.6s 9s
OK AeroTech J315 176.0oz 56ft/s 397ft/s 6.7G 2,160ft 11.8s 9s
OK Cesaroni J1055 173.2oz 103ft/s 475ft/s 22.6G 2,194ft 11.0s 10s
OK AeroTech J180 174.5oz 53ft/s 351ft/s 5.7G 2,296ft 12.5s 8s
OK Cesaroni J240 176.9oz 48ft/s 399ft/s 5.0G 2,328ft 12.5s 9s
OK Cesaroni J210 175.7oz 49ft/s 372ft/s 5.7G 2,396ft 13.0s 9s
OK Gorilla J365 188.5oz 48ft/s 446ft/s 8.6G 2,405ft 12.4s 10s
OK AeroTech J275 176.5oz 51ft/s 404ft/s 5.9G 2,437ft 12.6s 9s
OK Cesaroni J293 175.6oz 52ft/s 431ft/s 6.3G 2,448ft 12.6s 10s
OK Cesaroni J430 174.2oz 67ft/s 467ft/s 9.8G 2,455ft 12.1s 10s
OK AeroTech J460 173.8oz 71ft/s 478ft/s 10.5G 2,549ft 12.2s 10s
OK AeroTech J1299 175.4oz 121ft/s 543ft/s 29.3G 2,578ft 11.7s 11s
OK Gorilla J167 188.9oz 52ft/s 350ft/s 6.1G 2,691ft 14.0s 8s
OK AMW J1365 185.5oz 114ft/s 566ft/s 29.4G 2,760ft 12.1s 11s
OK AMW J400 194.7oz 55ft/s 491ft/s 7.9G 2,777ft 13.0s 11s
OK Loki J350 190.4oz 54ft/s 489ft/s 7.6G 2,801ft 13.1s 10s
OK AMW J475 195.7oz 63ft/s 532ft/s 10.5G 2,980ft 13.1s 11s
OK Cesaroni J360 184.9oz 53ft/s 516ft/s 9.5G 3,019ft 13.5s 11s
OK Cesaroni J380 191.6oz 53ft/s 530ft/s 7.2G 3,069ft 13.6s 11s
OK Gorilla J395 186.9oz 55ft/s 531ft/s 7.9G 3,071ft 13.6s 11s
OK Gorilla J465 187.7oz 61ft/s 550ft/s 11.7G 3,090ft 13.3s 11s
OK AeroTech J450 189.1oz 61ft/s 551ft/s 9.3G 3,141ft 13.5s 11s
OK AMW J395 190.7oz 60ft/s 532ft/s 7.9G 3,188ft 13.8s 11s
OK Gorilla J485 188.0oz 63ft/s 572ft/s 10.1G 3,219ft 13.6s 11s
OK AeroTech J1799 185.2oz 135ft/s 665ft/s 40.7G 3,225ft 12.7s 12s
OK AMW J325 189.4oz 64ft/s 499ft/s 9.3G 3,238ft 14.0s 11s
OK Cesaroni J1520 182.2oz 123ft/s 668ft/s 32.6G 3,258ft 12.8s 12s
OK AMW J440 189.4oz 84ft/s 572ft/s 14.3G 3,318ft 13.4s 11s
OK Gorilla J535 189.2oz 77ft/s 593ft/s 11.9G 3,321ft 13.5s 11s
OK Loki J525 189.7oz 70ft/s 601ft/s 11.5G 3,341ft 13.6s 12s
OK Loki J820 188.7oz 99ft/s 634ft/s 18.8G 3,412ft 13.3s 12s
OK AeroTech J401 178.2oz 64ft/s 581ft/s 8.7G 3,436ft 13.9s 11s
OK Loki J175 190.1oz 54ft/s 430ft/s 7.0G 3,451ft 15.2s 9s
OK AeroTech J540 184.2oz 77ft/s 613ft/s 12.2G 3,485ft 13.7s 11s
OK Cesaroni J355 187.4oz 59ft/s 565ft/s 7.4G 3,587ft 14.5s 11s
OK AMW J745 189.0oz 86ft/s 659ft/s 15.6G 3,599ft 13.8s 12s
OK Loki J300 192.4oz 56ft/s 529ft/s 6.6G 3,613ft 14.9s 11s
OK Cesaroni J295 185.5oz 60ft/s 532ft/s 7.5G 3,652ft 14.8s 11s
OK AeroTech J800 184.3oz 92ft/s 690ft/s 17.5G 3,823ft 14.0s 12s
OK AeroTech J415 187.2oz 64ft/s 614ft/s 9.4G 3,837ft 14.6s 11s
OK Cesaroni J449 185.6oz 67ft/s 642ft/s 9.9G 3,853ft 14.6s 12s
OK Cesaroni J760 184.0oz 88ft/s 712ft/s 16.6G 3,864ft 14.0s 12s
OK Cesaroni K360 189.5oz 56ft/s 609ft/s 6.6G 3,890ft 15.1s 12s
OK AeroTech K400 188.1oz 68ft/s 619ft/s 9.3G 3,984ft 15.0s 12s
OK AeroTech K535 190.6oz 76ft/s 698ft/s 11.1G 4,294ft 15.0s 12s

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 I117 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni I140 speed at end of launch guide too slow (34ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (31ft/s)
failedG AeroTech I170 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni I150 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni I120 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni I165 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni I100 speed at end of launch guide too slow (44ft/s)
failedG AeroTech I65 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni J250 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni J145 speed at end of launch guide too slow (47ft/s)
failedG AeroTech J90 speed at end of launch guide too slow (33ft/s)
failedG AeroTech J250 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J244 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni J140 speed at end of launch guide too slow (38ft/s)

G These simulations were run with a launch guide length of 8ft (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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