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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 29 motors that fit and appear to have enough thrust (780 motors didn't fit, 2 motors failed safety checks). 31 motor had thrust curves available and 60 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:   Slow Flier Test Bed - H100
Owner: Roger J. Hoffman
Body Diameter: 7.90in
Dry Weight: 4.00lb
MMT Diameter: 54.0mm
MMT Length: 12.00in
CD: 0.33

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 I599 5.13lb 128ft/s 521ft/s 32.3G 1,344ft 7.7s 7s
OK AeroTech I215 5.16lb 70ft/s 409ft/s 10.3G 1,380ft 8.4s 7s
OK Cesaroni I140 5.24lb 50ft/s 347ft/s 5.7G 1,408ft 9.1s 6s
OK AeroTech I170 5.16lb 59ft/s 384ft/s 7.8G 1,425ft 8.8s 6s
OK AeroTech I229 5.13lb 69ft/s 437ft/s 10.6G 1,430ft 8.5s 7s
OK Cesaroni I445 5.27lb 96ft/s 548ft/s 21.0G 1,547ft 8.3s 7s
OK Cesaroni I150 5.26lb 56ft/s 378ft/s 6.5G 1,645ft 9.6s 6s
OK Cesaroni I218 5.28lb 71ft/s 454ft/s 10.0G 1,668ft 9.1s 7s
OK Cesaroni I120 5.37lb 51ft/s 345ft/s 5.1G 1,796ft 10.4s 6s
OK Cesaroni I165 5.31lb 58ft/s 406ft/s 6.8G 1,799ft 9.8s 6s
OK Cesaroni J1055 5.70lb 141ft/s 835ft/s 42.7G 2,005ft 8.7s 8s
OK Cesaroni J250 5.83lb 61ft/s 546ft/s 9.3G 2,116ft 10.0s 7s
OK Cesaroni J280 6.10lb 69ft/s 578ft/s 9.7G 2,143ft 9.9s 7s
OK AeroTech J250 6.00lb 65ft/s 543ft/s 9.4G 2,151ft 10.0s 7s
OK AeroTech J1299 5.84lb 161ft/s 936ft/s 55.0G 2,169ft 8.9s 8s
OK AeroTech J250 5.56lb 79ft/s 539ft/s 12.2G 2,190ft 9.8s 7s
OK Cesaroni I100 5.78lb 65ft/s 339ft/s 10.9G 2,230ft 11.8s 3s
OK AeroTech J315 5.88lb 77ft/s 582ft/s 13.1G 2,239ft 9.9s 7s
OK Cesaroni J430 5.76lb 95ft/s 704ft/s 19.4G 2,312ft 9.6s 8s
OK Cesaroni J145 5.85lb 67ft/s 419ft/s 17.7G 2,320ft 10.9s 6s
OK AeroTech J460 5.74lb 101ft/s 714ft/s 20.0G 2,331ft 9.5s 7s
OK AeroTech I65 5.66lb 57ft/s 334ft/s 6.8G 2,373ft 12.4s 4s
OK AeroTech J90 5.88lb 48ft/s 391ft/s 5.5G 2,380ft 12.0s 5s
OK Cesaroni J240 5.93lb 68ft/s 555ft/s 9.8G 2,437ft 10.5s 7s
OK Cesaroni J293 5.85lb 72ft/s 610ft/s 12.7G 2,445ft 10.3s 7s
OK AeroTech J275 5.91lb 71ft/s 570ft/s 11.0G 2,472ft 10.4s 7s
OK AeroTech J180 5.78lb 75ft/s 504ft/s 11.6G 2,482ft 10.7s 6s
OK Cesaroni J244 6.01lb 63ft/s 564ft/s 8.9G 2,546ft 10.8s 7s
OK Cesaroni J210 5.86lb 69ft/s 491ft/s 11.6G 2,656ft 11.3s 7s

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 (45ft/s)
failedG AeroTech I115 speed at end of launch guide too slow (46ft/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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