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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 113 motors that fit and appear to have enough thrust (683 motors didn't fit, 15 motors failed safety checks). 128 motor had thrust curves available and 268 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:   Binder Design Excel
Owner: Richard Holmes
Body Diameter: 4.00in
Dry Weight: 41.0oz
MMT Diameter: 38.0mm
MMT Length: 16.00in
CD: 0.60

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 Contrail G300 60.2oz 130ft/s 184ft/s 47.7G 444ft 5.1s 5s
OK Contrail G130 59.2oz 69ft/s 169ft/s 31.6G 453ft 5.4s 4s
OK Loki G69 49.5oz 49ft/s 196ft/s 6.1G 623ft 6.4s 5s
OK Loki G70 49.5oz 49ft/s 207ft/s 6.4G 684ft 6.8s 5s
OK AeroTech G339 47.4oz 102ft/s 260ft/s 27.6G 691ft 6.2s 6s
OK Loki G80 50.0oz 52ft/s 217ft/s 7.1G 698ft 6.7s 5s
OK Loki G94 49.5oz 56ft/s 231ft/s 8.5G 734ft 6.8s 5s
OK Contrail G123 59.0oz 67ft/s 232ft/s 20.7G 747ft 6.7s 6s
OK Contrail G100 59.0oz 62ft/s 228ft/s 10.1G 772ft 6.9s 5s
OK Cesaroni G185 47.6oz 70ft/s 282ft/s 14.4G 803ft 6.8s 6s
OK Loki G66 49.8oz 53ft/s 227ft/s 7.4G 818ft 7.3s 5s
OK Contrail H222 59.3oz 97ft/s 275ft/s 40.1G 880ft 7.0s 6s
OK Cesaroni G115 47.9oz 55ft/s 284ft/s 8.9G 902ft 7.3s 6s
OK Loki H100 52.8oz 54ft/s 334ft/s 8.6G 1,271ft 8.5s 7s
warningsW AeroTech H283 49.7oz 91ft/s 418ft/s 23.1G 1,293ft 8.0s 7s
OK AeroTech H148 51.9oz 68ft/s 385ft/s 12.4G 1,376ft 8.6s 7s
OK AeroTech H130 49.4oz 79ft/s 376ft/s 17.9G 1,386ft 8.4s 7s
OK AeroTech H669 49.9oz 143ft/s 496ft/s 78.9G 1,406ft 8.1s 8s
OK AeroTech H123 50.7oz 58ft/s 368ft/s 9.5G 1,498ft 9.1s 7s
OK AeroTech H100 50.2oz 52ft/s 372ft/s 8.1G 1,506ft 9.2s 7s
OK AeroTech H219 50.2oz 85ft/s 461ft/s 20.0G 1,515ft 8.6s 7s
OK Loki H144 52.9oz 77ft/s 407ft/s 15.9G 1,522ft 8.8s 7s
OK Cesaroni H123 51.5oz 53ft/s 417ft/s 9.1G 1,527ft 9.1s 7s
OK Loki H90 52.8oz 58ft/s 355ft/s 9.0G 1,534ft 9.3s 7s
OK Loki H125 53.1oz 68ft/s 389ft/s 12.9G 1,544ft 9.0s 7s
OK Cesaroni H143 53.2oz 54ft/s 428ft/s 9.6G 1,545ft 9.1s 7s
OK AeroTech H242 50.3oz 77ft/s 463ft/s 15.9G 1,585ft 8.8s 7s
OK Cesaroni H400 51.0oz 101ft/s 543ft/s 30.0G 1,606ft 8.6s 8s
OK Loki H160 52.8oz 86ft/s 440ft/s 18.7G 1,613ft 8.9s 7s
OK Cesaroni H120 51.4oz 57ft/s 437ft/s 9.3G 1,700ft 9.5s 7s
OK Cesaroni H125 51.3oz 54ft/s 458ft/s 9.2G 1,732ft 9.5s 7s
OK Cesaroni H110 52.5oz 51ft/s 428ft/s 7.2G 1,744ft 9.8s 7s
OK Cesaroni H225 47.8oz 82ft/s 554ft/s 18.4G 1,758ft 9.0s 8s
OK Cesaroni H152 51.5oz 64ft/s 481ft/s 13.8G 1,787ft 9.5s 8s
OK AeroTech H178 52.4oz 62ft/s 510ft/s 13.1G 1,790ft 9.4s 8s
OK AeroTech H550 52.1oz 130ft/s 654ft/s 44.0G 1,856ft 8.9s 8s
OK Cesaroni H100 52.5oz 52ft/s 432ft/s 7.1G 1,857ft 10.1s 7s
OK AeroTech H550 52.4oz 129ft/s 645ft/s 43.6G 1,867ft 9.0s 8s
OK AeroTech H999 52.7oz 167ft/s 689ft/s 109.0G 1,876ft 8.9s 9s
warningsW Cesaroni H565 53.8oz 122ft/s 657ft/s 40.6G 1,885ft 9.0s 8s
OK AeroTech I218 54.1oz 81ft/s 546ft/s 18.0G 1,931ft 9.5s 8s
OK AeroTech H170 52.6oz 69ft/s 525ft/s 12.6G 1,973ft 9.7s 8s
OK AeroTech I180 54.6oz 92ft/s 504ft/s 22.9G 1,981ft 9.6s 8s
OK AeroTech I161 53.9oz 70ft/s 514ft/s 13.5G 2,038ft 9.9s 8s
OK Cesaroni I180 54.9oz 64ft/s 560ft/s 12.2G 2,052ft 9.9s 8s
OK AeroTech I245 53.9oz 96ft/s 580ft/s 26.4G 2,069ft 9.5s 8s
OK AeroTech I357 53.1oz 96ft/s 618ft/s 24.7G 2,075ft 9.5s 8s
OK AeroTech I175 53.3oz 77ft/s 515ft/s 15.9G 2,092ft 10.1s 8s
OK AeroTech I225 58.1oz 69ft/s 570ft/s 15.4G 2,095ft 9.9s 8s
OK Cesaroni I566 54.6oz 111ft/s 741ft/s 39.4G 2,104ft 9.3s 9s
OK AeroTech I140 53.6oz 61ft/s 496ft/s 11.0G 2,109ft 10.2s 8s
OK Cesaroni I212 57.8oz 67ft/s 592ft/s 13.9G 2,132ft 10.0s 8s
OK Cesaroni I800 57.1oz 134ft/s 821ft/s 53.2G 2,246ft 9.5s 9s
OK AeroTech I1299 55.9oz 183ft/s 865ft/s 96.7G 2,256ft 9.4s 9s
OK Cesaroni I345 54.9oz 96ft/s 711ft/s 24.6G 2,273ft 9.8s 9s
OK AeroTech I154 58.4oz 56ft/s 491ft/s 9.3G 2,317ft 10.9s 8s
OK AeroTech I285 58.4oz 86ft/s 664ft/s 22.2G 2,320ft 10.0s 9s
OK Cesaroni I195 55.7oz 71ft/s 607ft/s 14.3G 2,326ft 10.3s 8s
OK AeroTech I305 61.5oz 87ft/s 672ft/s 22.9G 2,378ft 10.0s 8s
OK Cesaroni I236 55.1oz 80ft/s 659ft/s 19.3G 2,384ft 10.2s 8s
OK Cesaroni I170 54.8oz 68ft/s 622ft/s 13.7G 2,386ft 10.4s 8s
OK Cesaroni I175 56.4oz 66ft/s 604ft/s 11.1G 2,410ft 10.6s 8s
OK AeroTech I300 56.6oz 99ft/s 695ft/s 28.6G 2,420ft 10.0s 8s
OK AeroTech I211 57.0oz 83ft/s 624ft/s 19.2G 2,444ft 10.3s 8s
OK Cesaroni I223 58.4oz 69ft/s 662ft/s 14.6G 2,445ft 10.4s 8s
OK AeroTech I195 61.2oz 82ft/s 615ft/s 20.3G 2,467ft 10.5s 8s
OK Loki I316 60.0oz 105ft/s 706ft/s 28.9G 2,536ft 10.2s 9s
OK Loki I405 60.2oz 126ft/s 773ft/s 47.1G 2,584ft 10.1s 9s
OK Cesaroni I287 62.3oz 78ft/s 731ft/s 17.8G 2,597ft 10.5s 9s
OK Loki I210 60.0oz 95ft/s 656ft/s 25.5G 2,682ft 10.6s 8s
OK Loki I430 60.0oz 105ft/s 847ft/s 30.9G 2,709ft 10.4s 9s
OK Cesaroni I285 58.8oz 84ft/s 750ft/s 20.6G 2,711ft 10.6s 9s
OK Loki I377 60.8oz 118ft/s 768ft/s 38.0G 2,712ft 10.4s 9s
OK Cesaroni I470 58.5oz 111ft/s 892ft/s 33.3G 2,729ft 10.3s 9s
OK AeroTech I366 60.6oz 101ft/s 801ft/s 28.1G 2,743ft 10.4s 9s
OK AeroTech I327 63.2oz 95ft/s 793ft/s 23.6G 2,756ft 10.6s 9s
OK Cesaroni I255 59.2oz 79ft/s 736ft/s 18.1G 2,764ft 10.8s 9s
OK AeroTech I364 64.9oz 85ft/s 776ft/s 21.5G 2,766ft 10.6s 9s
warningsW Loki I110 61.8oz 61ft/s 544ft/s 14.4G 2,782ft 11.6s 8s
OK AMW I297 61.8oz 86ft/s 779ft/s 20.8G 2,785ft 10.7s 9s
OK Cesaroni I303 58.6oz 87ft/s 792ft/s 24.4G 2,812ft 10.6s 9s
OK AeroTech I435 59.3oz 126ft/s 883ft/s 44.9G 2,822ft 10.3s 9s
OK AeroTech I280 62.7oz 81ft/s 780ft/s 18.3G 2,861ft 10.9s 9s
OK KBA I550 66.1oz 110ft/s 914ft/s 33.2G 2,883ft 10.7s 10s
OK Cesaroni I242 60.4oz 77ft/s 744ft/s 16.0G 2,906ft 11.1s 9s
OK AeroTech I284 60.6oz 100ft/s 814ft/s 27.5G 2,928ft 10.6s 9s
OK Cesaroni I350 68.6oz 88ft/s 819ft/s 20.1G 2,942ft 11.0s 9s
OK AeroTech I500 61.3oz 106ft/s 954ft/s 32.9G 2,969ft 10.5s 9s
OK KBA I301 66.6oz 83ft/s 776ft/s 20.8G 2,977ft 11.2s 9s
warningsW Cesaroni I540 62.1oz 111ft/s 990ft/s 35.6G 2,978ft 10.5s 9s
OK AeroTech I600 62.2oz 132ft/s 978ft/s 46.5G 2,982ft 10.5s 9s
OK KBA J740 66.5oz 132ft/s 1,052ft/s 48.8G 3,051ft 10.7s 10s
OK KBA J520 66.5oz 104ft/s 945ft/s 37.6G 3,056ft 10.9s 10s
OK AeroTech J350 64.5oz 128ft/s 908ft/s 45.0G 3,073ft 10.7s 9s
OK AeroTech I350 62.7oz 96ft/s 919ft/s 26.5G 3,074ft 10.8s 9s
OK AeroTech J420 63.9oz 102ft/s 906ft/s 30.5G 3,081ft 10.8s 9s
OK Loki J396 67.5oz 93ft/s 892ft/s 26.4G 3,094ft 11.0s 9s
OK AeroTech J340 61.4oz 108ft/s 888ft/s 34.3G 3,106ft 10.7s 9s
OK Cesaroni J335 63.1oz 96ft/s 873ft/s 22.5G 3,141ft 11.0s 9s
OK Cesaroni J357 62.2oz 95ft/s 907ft/s 28.8G 3,151ft 10.9s 9s
OK AeroTech J425 63.3oz 91ft/s 977ft/s 23.8G 3,181ft 10.9s 9s
OK Cesaroni I125 63.8oz 68ft/s 568ft/s 14.1G 3,186ft 12.3s 8s
OK Cesaroni J285 62.0oz 86ft/s 842ft/s 19.9G 3,200ft 11.2s 9s
OK AeroTech I59 58.2oz 56ft/s 393ft/s 9.2G 3,206ft 14.1s 6s
OK Cesaroni J270 64.1oz 76ft/s 823ft/s 15.4G 3,237ft 11.4s 9s
OK Cesaroni J316 62.4oz 88ft/s 852ft/s 24.2G 3,242ft 11.3s 9s
OK AeroTech J500 64.1oz 121ft/s 999ft/s 43.6G 3,248ft 10.8s 9s
OK Cesaroni I216 62.2oz 79ft/s 752ft/s 18.6G 3,260ft 11.5s 8s
OK Cesaroni J290 64.3oz 87ft/s 852ft/s 21.0G 3,304ft 11.4s 9s
OK AeroTech J270 63.6oz 83ft/s 855ft/s 19.2G 3,374ft 11.4s 9s
OK Loki J712 67.5oz 124ft/s 1,140ft/s 45.9G 3,417ft 11.0s 10s
OK AeroTech J435 63.0oz 113ft/s 1,030ft/s 38.5G 3,428ft 11.0s 9s
OK Cesaroni J94 64.3oz 53ft/s 530ft/s 8.1G 3,734ft 14.1s 7s

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 (46ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G46 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G79 speed at end of launch guide too slow (41ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (45ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (36ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (33ft/s)
failedG AeroTech H73 speed at end of launch guide too slow (41ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (47ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (42ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (32ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (34ft/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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