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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 69 motors that fit and appear to have enough thrust (684 motors didn't fit, 38 motors failed safety checks). 107 motor had thrust curves available and 231 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:   Sardo XXXL 4.0 (38mm adapter)
Owner: K Sonesen
Body Diameter: 4.00in
Dry Weight: 82.6oz
MMT Diameter: 38.0mm
MMT Length: 14.00in
CD: 1.00

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 G339 89.0oz 73ft/s 134ft/s 14.2G 263ft 4.1s 4s
OK Cesaroni G185 89.2oz 50ft/s 142ft/s 7.3G 309ft 4.6s 4s
warningsW AeroTech H283 91.3oz 67ft/s 224ft/s 12.1G 636ft 6.2s 5s
OK AeroTech H148 93.5oz 49ft/s 207ft/s 6.4G 664ft 6.7s 5s
OK AeroTech H130 91.0oz 58ft/s 202ft/s 9.2G 678ft 6.6s 5s
OK AeroTech H669 91.5oz 104ft/s 267ft/s 42.5G 744ft 6.5s 6s
OK Loki H125 94.7oz 50ft/s 215ft/s 6.8G 779ft 7.2s 5s
OK Loki H144 94.5oz 56ft/s 226ft/s 8.4G 782ft 7.0s 5s
OK AeroTech H219 91.8oz 63ft/s 253ft/s 10.5G 795ft 6.9s 6s
OK AeroTech H242 91.9oz 55ft/s 252ft/s 8.3G 834ft 7.2s 6s
OK Loki H160 94.4oz 61ft/s 247ft/s 10.0G 861ft 7.2s 6s
OK Cesaroni H400 92.6oz 75ft/s 295ft/s 16.1G 889ft 7.1s 6s
OK Cesaroni H225 89.4oz 58ft/s 300ft/s 9.4G 989ft 7.6s 6s
OK AeroTech I218 95.7oz 61ft/s 314ft/s 9.7G 1,127ft 8.1s 7s
OK AeroTech H550 94.0oz 96ft/s 360ft/s 23.8G 1,129ft 7.7s 7s
OK AeroTech H550 93.7oz 97ft/s 363ft/s 23.9G 1,132ft 7.7s 7s
OK AeroTech H170 94.2oz 49ft/s 299ft/s 6.7G 1,135ft 8.4s 6s
warningsW Cesaroni H565 95.4oz 91ft/s 367ft/s 22.4G 1,145ft 7.8s 7s
OK AeroTech H999 94.3oz 127ft/s 382ft/s 60.3G 1,155ft 7.7s 7s
OK AeroTech I180 96.2oz 70ft/s 295ft/s 12.5G 1,164ft 8.2s 6s
OK AeroTech I161 95.5oz 51ft/s 298ft/s 7.2G 1,186ft 8.5s 6s
OK AeroTech I245 95.5oz 70ft/s 342ft/s 14.5G 1,268ft 8.4s 7s
OK AeroTech I225 99.7oz 51ft/s 336ft/s 8.8G 1,269ft 8.6s 7s
OK AeroTech I357 94.7oz 69ft/s 357ft/s 13.4G 1,276ft 8.4s 7s
OK Cesaroni I212 99.4oz 49ft/s 346ft/s 7.9G 1,289ft 8.7s 7s
OK Cesaroni I566 96.2oz 86ft/s 419ft/s 21.9G 1,340ft 8.3s 8s
OK Cesaroni I195 97.3oz 52ft/s 361ft/s 7.7G 1,436ft 9.2s 7s
OK Cesaroni I345 96.5oz 69ft/s 415ft/s 13.5G 1,452ft 8.8s 8s
OK AeroTech I285 100.0oz 66ft/s 398ft/s 12.5G 1,480ft 9.0s 7s
OK Cesaroni I170 96.4oz 51ft/s 369ft/s 7.4G 1,482ft 9.3s 7s
OK Cesaroni I800 98.7oz 104ft/s 471ft/s 30.3G 1,484ft 8.6s 8s
OK Cesaroni I175 98.0oz 48ft/s 361ft/s 6.0G 1,491ft 9.5s 7s
OK AeroTech I1299 97.5oz 138ft/s 493ft/s 54.7G 1,515ft 8.5s 8s
OK Cesaroni I236 96.7oz 58ft/s 391ft/s 10.6G 1,515ft 9.2s 7s
OK AeroTech I305 103.1oz 70ft/s 410ft/s 13.2G 1,558ft 9.1s 7s
OK Cesaroni I223 100.0oz 52ft/s 398ft/s 8.1G 1,563ft 9.4s 7s
OK AeroTech I211 98.6oz 60ft/s 380ft/s 10.7G 1,566ft 9.3s 7s
OK AeroTech I300 98.2oz 72ft/s 418ft/s 16.1G 1,577ft 9.1s 7s
OK AeroTech I195 102.8oz 64ft/s 379ft/s 11.6G 1,584ft 9.4s 7s
OK Loki I316 101.6oz 82ft/s 435ft/s 16.7G 1,681ft 9.2s 8s
OK Cesaroni I287 103.9oz 59ft/s 449ft/s 10.5G 1,726ft 9.6s 8s
OK Loki I405 101.8oz 96ft/s 476ft/s 27.4G 1,757ft 9.2s 8s
OK Loki I210 101.6oz 70ft/s 409ft/s 14.7G 1,764ft 9.7s 7s
OK Cesaroni I285 100.4oz 63ft/s 463ft/s 11.6G 1,824ft 9.8s 8s
OK Loki I430 101.6oz 75ft/s 516ft/s 17.8G 1,846ft 9.5s 8s
OK Loki I377 102.4oz 87ft/s 480ft/s 22.1G 1,848ft 9.5s 8s
OK Cesaroni I255 100.8oz 60ft/s 457ft/s 10.2G 1,853ft 9.9s 8s
OK AeroTech I366 102.2oz 79ft/s 499ft/s 16.2G 1,888ft 9.7s 8s
OK AeroTech I327 104.8oz 71ft/s 493ft/s 13.8G 1,890ft 9.8s 8s
OK Cesaroni I470 100.1oz 81ft/s 541ft/s 19.0G 1,898ft 9.5s 8s
OK AMW I297 103.4oz 64ft/s 485ft/s 12.0G 1,900ft 9.9s 8s
OK AeroTech I364 106.5oz 69ft/s 488ft/s 12.8G 1,904ft 9.8s 8s
OK Cesaroni I303 100.2oz 67ft/s 490ft/s 13.8G 1,925ft 9.9s 8s
OK AeroTech I280 104.3oz 63ft/s 488ft/s 10.6G 1,959ft 10.1s 8s
OK Cesaroni I242 102.0oz 57ft/s 468ft/s 9.1G 1,966ft 10.3s 8s
OK AeroTech I435 100.9oz 96ft/s 547ft/s 25.9G 1,991ft 9.7s 8s
OK Cesaroni I350 110.2oz 68ft/s 521ft/s 12.1G 2,036ft 10.1s 8s
OK AeroTech I284 102.2oz 77ft/s 516ft/s 16.0G 2,051ft 10.0s 8s
OK AeroTech I500 102.9oz 84ft/s 592ft/s 19.1G 2,126ft 9.9s 9s
OK AeroTech I600 103.8oz 102ft/s 611ft/s 27.4G 2,155ft 9.9s 9s
OK AeroTech I350 104.3oz 74ft/s 583ft/s 15.6G 2,198ft 10.2s 9s
OK AeroTech J420 105.5oz 80ft/s 579ft/s 18.0G 2,199ft 10.2s 9s
OK AeroTech J350 106.1oz 94ft/s 582ft/s 26.9G 2,212ft 10.1s 9s
OK AeroTech J340 103.0oz 78ft/s 568ft/s 20.0G 2,230ft 10.2s 8s
OK Cesaroni J285 103.6oz 66ft/s 540ft/s 11.6G 2,251ft 10.6s 8s
OK Cesaroni J357 103.8oz 74ft/s 579ft/s 16.8G 2,252ft 10.3s 9s
OK AeroTech J425 104.9oz 69ft/s 619ft/s 14.1G 2,293ft 10.4s 9s
OK AeroTech J500 105.7oz 94ft/s 644ft/s 25.9G 2,382ft 10.3s 9s
OK AeroTech J270 105.2oz 65ft/s 554ft/s 11.2G 2,405ft 10.9s 8s

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 G67 speed at end of launch guide too slow (31ft/s)
failedG Loki G69 speed at end of launch guide too slow (33ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (29ft/s)
failedG Loki G70 speed at end of launch guide too slow (34ft/s)
failedG Loki G94 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (28ft/s)
failedG Loki G80 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (23ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (28ft/s)
failedG Loki G66 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (30ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (29ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (23ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (30ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (21ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (28ft/s)
failedG Loki H100 speed at end of launch guide too slow (39ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (41ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (38ft/s)
failedG Loki H90 speed at end of launch guide too slow (42ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (41ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni H152 speed at end of launch guide too slow (48ft/s)
failedG AeroTech H178 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (37ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (29ft/s)
failedG AeroTech I140 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni I180 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (42ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (21ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (24ft/s)
failedG AeroTech I59 speed at end of launch guide too slow (41ft/s)
failedG Loki I110 speed at end of launch guide too slow (44ft/s)

G These simulations were run with a launch guide length of 6ft (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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