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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 95 motors that fit and appear to have enough thrust (703 motors didn't fit, 13 motors failed safety checks). 108 motor had thrust curves available and 232 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:   Modified Miranda with HAMR
Owner: Rus Hardy
Body Diameter: 3.10in
Dry Weight: 3.20lb
MMT Diameter: 38.0mm
MMT Length: 14.00in
CD: 1.20

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 Loki G69 3.73lb 50ft/s 158ft/s 4.9G 458ft 5.7s 4s
OK AeroTech G67 3.64lb 48ft/s 164ft/s 4.6G 467ft 5.9s 4s
OK Loki G70 3.73lb 50ft/s 166ft/s 5.1G 508ft 6.1s 4s
OK Loki G80 3.76lb 55ft/s 175ft/s 5.7G 524ft 6.0s 4s
OK AeroTech G339 3.60lb 106ft/s 213ft/s 22.5G 528ft 5.6s 5s
OK Loki G94 3.73lb 58ft/s 188ft/s 6.9G 555ft 6.1s 5s
OK Cesaroni G185 3.62lb 74ft/s 229ft/s 11.7G 618ft 6.1s 5s
OK Loki G66 3.75lb 55ft/s 183ft/s 5.9G 620ft 6.6s 4s
OK Cesaroni G115 3.63lb 57ft/s 231ft/s 7.1G 696ft 6.7s 5s
OK Loki H100 3.94lb 57ft/s 277ft/s 7.1G 1,028ft 7.9s 6s
warningsW AeroTech H283 3.74lb 96ft/s 346ft/s 19.0G 1,065ft 7.5s 7s
OK AeroTech H148 3.88lb 71ft/s 321ft/s 10.2G 1,129ft 8.1s 7s
OK AeroTech H130 3.72lb 83ft/s 313ft/s 14.7G 1,142ft 7.9s 6s
OK AeroTech H669 3.76lb 151ft/s 411ft/s 65.3G 1,179ft 7.6s 7s
OK AeroTech H123 3.81lb 62ft/s 306ft/s 7.8G 1,232ft 8.6s 6s
OK AeroTech H100 3.78lb 57ft/s 310ft/s 6.6G 1,236ft 8.6s 6s
OK Loki H90 3.94lb 61ft/s 298ft/s 7.4G 1,258ft 8.8s 6s
OK Cesaroni H123 3.85lb 55ft/s 347ft/s 7.5G 1,262ft 8.6s 7s
OK Loki H144 3.94lb 80ft/s 342ft/s 13.2G 1,268ft 8.3s 7s
OK AeroTech H219 3.78lb 90ft/s 385ft/s 16.4G 1,268ft 8.1s 7s
OK Loki H125 3.95lb 72ft/s 327ft/s 10.7G 1,281ft 8.5s 7s
OK Cesaroni H143 3.97lb 57ft/s 358ft/s 7.9G 1,283ft 8.6s 7s
OK AeroTech H242 3.78lb 80ft/s 386ft/s 13.1G 1,330ft 8.4s 7s
OK Loki H160 3.94lb 86ft/s 371ft/s 15.5G 1,356ft 8.4s 7s
OK Cesaroni H400 3.83lb 107ft/s 452ft/s 24.8G 1,363ft 8.2s 8s
OK AeroTech H112 4.04lb 49ft/s 314ft/s 5.1G 1,403ft 9.5s 6s
OK Cesaroni H120 3.85lb 60ft/s 366ft/s 7.6G 1,421ft 9.0s 7s
OK Cesaroni H125 3.85lb 59ft/s 384ft/s 7.6G 1,453ft 9.1s 7s
OK Cesaroni H110 3.92lb 52ft/s 359ft/s 5.9G 1,455ft 9.3s 7s
OK Cesaroni H225 3.63lb 84ft/s 461ft/s 15.0G 1,503ft 8.6s 7s
OK Cesaroni H152 3.86lb 67ft/s 404ft/s 11.4G 1,511ft 9.0s 7s
OK AeroTech H178 3.91lb 67ft/s 429ft/s 10.9G 1,522ft 9.0s 7s
OK Cesaroni H100 3.92lb 53ft/s 365ft/s 5.8G 1,555ft 9.7s 7s
OK AeroTech H550 3.90lb 135ft/s 547ft/s 36.6G 1,615ft 8.6s 8s
OK AeroTech H550 3.91lb 134ft/s 541ft/s 36.2G 1,619ft 8.6s 8s
OK AeroTech H999 3.93lb 179ft/s 576ft/s 91.1G 1,633ft 8.5s 8s
warningsW Cesaroni H565 4.00lb 126ft/s 551ft/s 33.9G 1,636ft 8.7s 8s
OK AeroTech I218 4.02lb 87ft/s 463ft/s 15.0G 1,660ft 9.1s 8s
OK AeroTech H170 3.93lb 72ft/s 445ft/s 10.4G 1,692ft 9.4s 7s
OK AeroTech I180 4.05lb 95ft/s 430ft/s 19.1G 1,705ft 9.2s 7s
OK AeroTech I161 4.01lb 74ft/s 438ft/s 11.2G 1,752ft 9.5s 7s
OK Cesaroni I180 4.07lb 68ft/s 476ft/s 10.2G 1,767ft 9.6s 8s
OK AeroTech I175 3.97lb 81ft/s 440ft/s 13.2G 1,782ft 9.6s 8s
OK AeroTech I245 4.00lb 100ft/s 496ft/s 22.1G 1,800ft 9.2s 8s
OK AeroTech I357 3.96lb 100ft/s 524ft/s 20.6G 1,807ft 9.2s 8s
OK AeroTech I140 3.98lb 67ft/s 423ft/s 9.1G 1,810ft 9.8s 7s
OK AeroTech I225 4.27lb 75ft/s 488ft/s 13.0G 1,817ft 9.5s 8s
OK Cesaroni I566 4.05lb 125ft/s 624ft/s 33.0G 1,847ft 9.0s 8s
OK Cesaroni I212 4.25lb 73ft/s 505ft/s 11.7G 1,848ft 9.7s 8s
OK Cesaroni I800 4.21lb 148ft/s 694ft/s 44.9G 1,987ft 9.2s 9s
OK AeroTech I154 4.28lb 60ft/s 423ft/s 7.8G 1,992ft 10.5s 7s
OK Cesaroni I345 4.07lb 99ft/s 605ft/s 20.6G 1,995ft 9.5s 8s
OK AeroTech I1299 4.13lb 197ft/s 730ft/s 81.4G 2,004ft 9.1s 9s
OK Cesaroni I195 4.12lb 74ft/s 521ft/s 11.9G 2,026ft 10.0s 8s
OK AeroTech I285 4.29lb 94ft/s 571ft/s 18.8G 2,034ft 9.7s 8s
OK Cesaroni I170 4.06lb 73ft/s 533ft/s 11.4G 2,080ft 10.1s 8s
OK Cesaroni I236 4.08lb 84ft/s 564ft/s 16.1G 2,090ft 9.9s 8s
OK AeroTech I305 4.48lb 97ft/s 580ft/s 19.4G 2,099ft 9.7s 8s
OK Cesaroni I175 4.16lb 69ft/s 519ft/s 9.2G 2,100ft 10.3s 8s
OK AeroTech I300 4.17lb 103ft/s 597ft/s 24.1G 2,133ft 9.8s 8s
OK Cesaroni I223 4.29lb 75ft/s 569ft/s 12.3G 2,147ft 10.1s 8s
OK AeroTech I211 4.20lb 87ft/s 539ft/s 16.1G 2,147ft 10.0s 8s
OK AeroTech I195 4.46lb 89ft/s 533ft/s 17.2G 2,166ft 10.1s 8s
OK Loki I316 4.39lb 113ft/s 611ft/s 24.6G 2,241ft 9.9s 8s
OK Loki I405 4.40lb 141ft/s 669ft/s 40.1G 2,298ft 9.8s 9s
OK Cesaroni I287 4.53lb 84ft/s 633ft/s 15.2G 2,298ft 10.2s 8s
OK Loki I210 4.39lb 98ft/s 570ft/s 21.7G 2,365ft 10.3s 8s
OK Cesaroni I285 4.32lb 91ft/s 650ft/s 17.4G 2,407ft 10.4s 8s
OK Loki I430 4.39lb 111ft/s 731ft/s 26.3G 2,409ft 10.1s 9s
OK Loki I377 4.43lb 128ft/s 667ft/s 32.4G 2,411ft 10.1s 9s
warningsW Loki I110 4.50lb 63ft/s 472ft/s 12.2G 2,426ft 11.2s 7s
OK Cesaroni I470 4.29lb 120ft/s 768ft/s 28.2G 2,442ft 10.0s 9s
OK AeroTech I366 4.42lb 109ft/s 695ft/s 23.9G 2,448ft 10.2s 9s
OK Cesaroni I255 4.34lb 85ft/s 639ft/s 15.3G 2,451ft 10.5s 8s
OK AeroTech I327 4.58lb 99ft/s 688ft/s 20.2G 2,456ft 10.3s 9s
OK AeroTech I364 4.69lb 95ft/s 676ft/s 18.5G 2,468ft 10.3s 9s
OK AMW I297 4.50lb 89ft/s 676ft/s 17.7G 2,480ft 10.4s 8s
OK Cesaroni I303 4.30lb 96ft/s 686ft/s 20.6G 2,506ft 10.4s 9s
OK AeroTech I435 4.34lb 135ft/s 764ft/s 38.2G 2,532ft 10.1s 9s
OK AeroTech I280 4.56lb 88ft/s 678ft/s 15.6G 2,549ft 10.6s 9s
OK Cesaroni I242 4.41lb 81ft/s 648ft/s 13.6G 2,582ft 10.8s 8s
OK AeroTech I284 4.42lb 106ft/s 710ft/s 23.4G 2,623ft 10.4s 8s
OK Cesaroni I350 4.92lb 92ft/s 716ft/s 17.3G 2,624ft 10.7s 9s
OK AeroTech I500 4.47lb 115ft/s 826ft/s 28.0G 2,673ft 10.3s 9s
OK AeroTech I600 4.53lb 137ft/s 849ft/s 39.8G 2,690ft 10.2s 9s
OK AeroTech I59 4.27lb 60ft/s 334ft/s 7.7G 2,734ft 13.7s 5s
OK AeroTech I350 4.56lb 101ft/s 802ft/s 22.6G 2,766ft 10.6s 9s
OK AeroTech J350 4.67lb 130ft/s 794ft/s 38.7G 2,768ft 10.5s 9s
OK AeroTech J420 4.63lb 111ft/s 792ft/s 26.1G 2,769ft 10.6s 9s
OK AeroTech J340 4.47lb 115ft/s 777ft/s 29.2G 2,799ft 10.5s 8s
OK Cesaroni J357 4.52lb 101ft/s 792ft/s 24.6G 2,834ft 10.7s 9s
OK Cesaroni J285 4.51lb 92ft/s 737ft/s 16.9G 2,866ft 11.0s 9s
OK AeroTech J425 4.59lb 95ft/s 852ft/s 20.3G 2,868ft 10.7s 9s
OK AeroTech J500 4.64lb 136ft/s 875ft/s 37.4G 2,938ft 10.6s 9s
OK AeroTech J270 4.62lb 91ft/s 750ft/s 16.4G 3,032ft 11.2s 9s

W Motor total weight unknown, lift-off Weight not accurate.

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 G61 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (46ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (34ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (42ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (43ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (36ft/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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