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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 67 motors that fit and appear to have enough thrust (694 motors didn't fit, 30 motors failed safety checks). 97 motor had thrust curves available and 216 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:   R3 Rocket
Owner: Justin Bray
Body Diameter: 4.00in
Dry Weight: 1,791g
MMT Diameter: 38.0mm
MMT Length: 13.25in
CD: 0.45

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 1,972g 85ft/s 176ft/s 18.5G 443ft 5.3s 5s
OK Cesaroni G185 1,979g 58ft/s 189ft/s 9.6G 528ft 5.9s 5s
warningsW AeroTech H283 2,038g 76ft/s 294ft/s 15.8G 1,065ft 8.0s 7s
OK AeroTech H148 2,100g 56ft/s 280ft/s 8.4G 1,115ft 8.5s 7s
OK AeroTech H130 2,028g 68ft/s 275ft/s 12.0G 1,141ft 8.4s 7s
OK AeroTech H123 2,066g 48ft/s 272ft/s 6.4G 1,223ft 9.1s 7s
OK Loki H90 2,126g 48ft/s 266ft/s 6.0G 1,239ft 9.2s 7s
OK AeroTech H669 2,043g 117ft/s 346ft/s 54.3G 1,243ft 8.3s 8s
OK Loki H125 2,133g 57ft/s 292ft/s 8.8G 1,300ft 9.1s 7s
OK Loki H144 2,127g 63ft/s 303ft/s 10.9G 1,301ft 8.9s 7s
OK AeroTech H219 2,052g 70ft/s 336ft/s 13.6G 1,333ft 8.9s 8s
OK AeroTech H242 2,055g 63ft/s 338ft/s 10.8G 1,400ft 9.2s 8s
OK Loki H160 2,126g 71ft/s 330ft/s 12.8G 1,429ft 9.2s 8s
OK Cesaroni H400 2,075g 85ft/s 385ft/s 20.9G 1,487ft 9.1s 8s
OK Cesaroni H152 2,089g 53ft/s 361ft/s 9.4G 1,627ft 10.0s 8s
OK AeroTech H178 2,115g 53ft/s 380ft/s 9.4G 1,661ft 10.0s 8s
OK Cesaroni H225 1,984g 65ft/s 402ft/s 12.3G 1,672ft 9.8s 9s
OK AeroTech I218 2,163g 68ft/s 417ft/s 12.5G 1,874ft 10.3s 9s
OK AeroTech H550 2,114g 106ft/s 467ft/s 30.4G 1,885ft 10.0s 9s
OK AeroTech H550 2,107g 107ft/s 472ft/s 30.6G 1,892ft 10.0s 9s
OK AeroTech H170 2,121g 57ft/s 405ft/s 8.8G 1,895ft 10.6s 8s
warningsW Cesaroni H565 2,153g 100ft/s 474ft/s 29.6G 1,909ft 10.0s 9s
OK AeroTech I180 2,176g 80ft/s 397ft/s 16.0G 1,924ft 10.5s 9s
OK AeroTech H999 2,122g 139ft/s 491ft/s 76.3G 1,929ft 9.9s 10s
OK AeroTech I161 2,157g 58ft/s 405ft/s 9.3G 1,973ft 10.8s 9s
OK Cesaroni I180 2,185g 54ft/s 431ft/s 8.9G 2,005ft 10.9s 9s
OK AeroTech I140 2,147g 51ft/s 398ft/s 7.5G 2,030ft 11.1s 9s
OK AeroTech I225 2,277g 57ft/s 446ft/s 11.4G 2,096ft 10.9s 9s
OK AeroTech I245 2,156g 84ft/s 456ft/s 18.6G 2,105ft 10.7s 9s
OK AeroTech I357 2,134g 79ft/s 473ft/s 17.1G 2,123ft 10.7s 9s
OK Cesaroni I212 2,266g 55ft/s 461ft/s 10.5G 2,136ft 11.1s 9s
OK Cesaroni I566 2,175g 99ft/s 543ft/s 28.2G 2,236ft 10.7s 10s
OK Cesaroni I195 2,208g 58ft/s 487ft/s 10.0G 2,384ft 11.6s 10s
OK Cesaroni I345 2,186g 78ft/s 546ft/s 17.2G 2,417ft 11.2s 10s
OK AeroTech I285 2,284g 74ft/s 525ft/s 15.9G 2,446ft 11.4s 10s
OK Cesaroni I170 2,183g 57ft/s 498ft/s 9.5G 2,462ft 11.8s 9s
OK Cesaroni I175 2,228g 55ft/s 489ft/s 7.8G 2,472ft 11.9s 9s
OK Cesaroni I800 2,248g 113ft/s 603ft/s 40.0G 2,475ft 11.1s 11s
OK Cesaroni I236 2,191g 66ft/s 525ft/s 13.5G 2,517ft 11.7s 10s
OK AeroTech I1299 2,213g 159ft/s 630ft/s 69.7G 2,532ft 11.0s 11s
OK AeroTech I305 2,372g 78ft/s 539ft/s 16.7G 2,560ft 11.5s 10s
OK AeroTech I211 2,246g 69ft/s 511ft/s 13.6G 2,584ft 11.8s 10s
OK Cesaroni I223 2,285g 60ft/s 532ft/s 10.4G 2,586ft 11.9s 10s
OK AeroTech I195 2,363g 71ft/s 506ft/s 14.6G 2,597ft 11.9s 10s
OK AeroTech I300 2,232g 84ft/s 554ft/s 20.3G 2,611ft 11.6s 10s
OK Loki I316 2,331g 89ft/s 573ft/s 21.0G 2,773ft 11.8s 10s
OK Cesaroni I287 2,396g 67ft/s 593ft/s 13.7G 2,843ft 12.2s 10s
warningsW Loki I110 2,380g 50ft/s 462ft/s 10.3G 2,846ft 13.0s 9s
OK Loki I210 2,331g 78ft/s 546ft/s 18.4G 2,899ft 12.3s 10s
OK Loki I405 2,334g 110ft/s 623ft/s 34.1G 2,904ft 11.9s 11s
OK Cesaroni I285 2,297g 72ft/s 618ft/s 14.7G 3,017ft 12.5s 11s
OK AeroTech I59 2,278g 48ft/s 309ft/s 6.6G 3,019ft 15.0s 6s
OK Loki I377 2,351g 101ft/s 633ft/s 27.6G 3,051ft 12.2s 11s
OK Cesaroni I255 2,307g 68ft/s 613ft/s 13.0G 3,061ft 12.6s 11s
OK Loki I430 2,331g 88ft/s 674ft/s 22.3G 3,063ft 12.2s 11s
OK AeroTech I327 2,419g 79ft/s 648ft/s 17.2G 3,110ft 12.5s 11s
OK AeroTech I366 2,347g 86ft/s 660ft/s 20.3G 3,121ft 12.4s 11s
OK AeroTech I364 2,469g 76ft/s 644ft/s 16.4G 3,128ft 12.5s 11s
OK Cesaroni I470 2,286g 94ft/s 709ft/s 23.9G 3,156ft 12.3s 11s
OK Cesaroni I303 2,291g 76ft/s 653ft/s 17.4G 3,183ft 12.6s 11s
OK Cesaroni I242 2,341g 65ft/s 631ft/s 11.4G 3,238ft 13.0s 11s
OK AeroTech I435 2,309g 108ft/s 718ft/s 32.4G 3,299ft 12.4s 11s
OK AeroTech I284 2,347g 84ft/s 687ft/s 20.2G 3,382ft 12.7s 11s
OK AeroTech J420 2,441g 88ft/s 765ft/s 22.4G 3,634ft 13.0s 11s
OK AeroTech J350 2,456g 103ft/s 765ft/s 33.2G 3,644ft 12.9s 11s
OK AeroTech J340 2,368g 91ft/s 756ft/s 24.9G 3,668ft 13.0s 11s
OK Cesaroni J357 2,392g 81ft/s 771ft/s 20.9G 3,717ft 13.2s 11s

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 (37ft/s)
failedG Loki G69 speed at end of launch guide too slow (39ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (34ft/s)
failedG Loki G70 speed at end of launch guide too slow (39ft/s)
failedG Loki G94 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (34ft/s)
failedG Loki G80 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (33ft/s)
failedG Loki G66 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (35ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (34ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (26ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (32ft/s)
failedG Loki H100 speed at end of launch guide too slow (44ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (38ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (42ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (34ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (25ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (27ft/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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