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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 87 motors that fit and appear to have enough thrust (699 motors didn't fit, 5 motors failed safety checks). 92 motor had thrust curves available and 206 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:   NCR Big Brute
Owner: Adrian Butler
Body Diameter: 4.00in
Dry Weight: 975g
MMT Diameter: 38.0mm
MMT Length: 12.00in
CD: 0.50

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 1,215g 60ft/s 232ft/s 7.2G 779ft 7.0s 5s
OK AeroTech G61 1,169g 55ft/s 230ft/s 6.0G 800ft 7.2s 5s
OK AeroTech G67 1,176g 58ft/s 243ft/s 6.8G 802ft 7.2s 6s
OK AeroTech G339 1,156g 130ft/s 304ft/s 32.3G 847ft 6.8s 6s
OK Loki G70 1,217g 62ft/s 243ft/s 7.5G 852ft 7.4s 6s
OK Loki G80 1,230g 64ft/s 254ft/s 8.3G 864ft 7.3s 6s
OK Loki G94 1,215g 69ft/s 270ft/s 10.0G 903ft 7.3s 6s
OK Cesaroni G69 1,172g 54ft/s 268ft/s 6.5G 965ft 7.9s 6s
OK Cesaroni G79 1,201g 51ft/s 286ft/s 6.7G 967ft 7.8s 6s
OK Cesaroni G185 1,163g 86ft/s 330ft/s 16.8G 978ft 7.3s 7s
OK Loki G66 1,225g 65ft/s 266ft/s 8.7G 1,004ft 7.9s 6s
OK AeroTech G69 1,176g 55ft/s 291ft/s 6.1G 1,039ft 8.0s 6s
OK Cesaroni G60 1,181g 56ft/s 285ft/s 6.4G 1,065ft 8.2s 6s
OK Cesaroni G115 1,170g 71ft/s 333ft/s 10.5G 1,095ft 7.9s 7s
OK Cesaroni G78 1,172g 55ft/s 306ft/s 10.4G 1,107ft 8.2s 6s
OK AeroTech H73 1,284g 52ft/s 328ft/s 5.7G 1,403ft 9.3s 6s
OK Loki H100 1,310g 68ft/s 384ft/s 9.9G 1,499ft 9.0s 7s
warningsW AeroTech H283 1,222g 112ft/s 483ft/s 26.8G 1,508ft 8.5s 8s
OK AeroTech H148 1,284g 83ft/s 443ft/s 14.4G 1,608ft 9.1s 8s
OK AeroTech H130 1,212g 99ft/s 433ft/s 20.8G 1,614ft 8.9s 7s
OK AeroTech H669 1,227g 179ft/s 574ft/s 91.1G 1,624ft 8.5s 8s
OK AeroTech H219 1,236g 106ft/s 536ft/s 23.3G 1,739ft 9.0s 8s
OK AeroTech H123 1,250g 73ft/s 423ft/s 11.1G 1,748ft 9.5s 7s
OK AeroTech H100 1,236g 67ft/s 428ft/s 9.4G 1,758ft 9.6s 7s
OK Loki H144 1,311g 94ft/s 466ft/s 18.3G 1,764ft 9.3s 8s
OK Cesaroni H123 1,272g 66ft/s 479ft/s 10.6G 1,777ft 9.6s 8s
OK Loki H90 1,310g 71ft/s 407ft/s 10.4G 1,792ft 9.8s 7s
OK Cesaroni H143 1,322g 69ft/s 491ft/s 11.0G 1,793ft 9.6s 8s
OK Loki H125 1,317g 83ft/s 445ft/s 14.9G 1,794ft 9.6s 8s
OK AeroTech H242 1,239g 95ft/s 532ft/s 18.5G 1,828ft 9.3s 8s
OK Cesaroni H400 1,259g 124ft/s 626ft/s 34.7G 1,841ft 9.0s 8s
OK Loki H160 1,310g 106ft/s 502ft/s 21.5G 1,861ft 9.3s 8s
OK Cesaroni H120 1,270g 69ft/s 501ft/s 10.9G 1,964ft 9.9s 8s
OK AeroTech H112 1,354g 59ft/s 427ft/s 7.3G 1,973ft 10.5s 7s
OK Cesaroni H125 1,268g 69ft/s 525ft/s 10.7G 1,999ft 10.0s 8s
OK Cesaroni H225 1,168g 102ft/s 639ft/s 21.5G 2,003ft 9.4s 8s
OK Cesaroni H110 1,300g 63ft/s 490ft/s 8.4G 2,017ft 10.2s 8s
OK AeroTech H178 1,299g 79ft/s 584ft/s 15.0G 2,047ft 9.8s 8s
OK Cesaroni H152 1,273g 83ft/s 551ft/s 16.0G 2,051ft 9.9s 8s
OK AeroTech H550 1,291g 159ft/s 750ft/s 50.7G 2,096ft 9.2s 9s
OK AeroTech H550 1,298g 158ft/s 739ft/s 50.1G 2,114ft 9.3s 9s
OK AeroTech H999 1,306g 210ft/s 791ft/s 124.8G 2,119ft 9.2s 9s
warningsW Cesaroni H565 1,337g 148ft/s 752ft/s 46.6G 2,133ft 9.4s 9s
OK Cesaroni H100 1,302g 63ft/s 494ft/s 8.3G 2,143ft 10.6s 8s
OK AeroTech I218 1,347g 100ft/s 621ft/s 20.7G 2,197ft 9.9s 8s
OK AeroTech H170 1,305g 84ft/s 598ft/s 14.6G 2,245ft 10.1s 8s
OK AeroTech I180 1,360g 114ft/s 571ft/s 26.2G 2,252ft 10.0s 8s
OK AeroTech I161 1,341g 87ft/s 584ft/s 15.5G 2,316ft 10.3s 8s
OK Cesaroni I180 1,369g 78ft/s 637ft/s 13.9G 2,330ft 10.3s 8s
OK AeroTech I245 1,340g 119ft/s 658ft/s 30.3G 2,337ft 9.9s 8s
OK AeroTech I357 1,318g 119ft/s 703ft/s 28.4G 2,342ft 9.9s 8s
OK Cesaroni I566 1,359g 144ft/s 845ft/s 45.1G 2,367ft 9.7s 9s
OK AeroTech I225 1,461g 83ft/s 645ft/s 17.6G 2,370ft 10.3s 8s
OK AeroTech I140 1,331g 79ft/s 562ft/s 12.6G 2,401ft 10.6s 8s
OK Cesaroni I212 1,450g 82ft/s 670ft/s 15.8G 2,413ft 10.4s 9s
OK AeroTech H45 1,340g 53ft/s 393ft/s 5.4G 2,483ft 12.2s 6s
OK Cesaroni I800 1,432g 171ft/s 933ft/s 60.6G 2,516ft 9.9s 9s
OK AeroTech I1299 1,397g 231ft/s 985ft/s 110.4G 2,522ft 9.7s 9s
OK Cesaroni I345 1,370g 119ft/s 807ft/s 28.1G 2,555ft 10.2s 9s
OK AeroTech I285 1,468g 107ft/s 748ft/s 25.3G 2,611ft 10.4s 9s
OK Cesaroni I195 1,392g 86ft/s 686ft/s 16.3G 2,626ft 10.7s 9s
OK AeroTech I154 1,467g 69ft/s 554ft/s 10.7G 2,635ft 11.3s 8s
OK AeroTech I305 1,556g 106ft/s 755ft/s 25.8G 2,664ft 10.4s 9s
OK Cesaroni I236 1,375g 97ft/s 745ft/s 22.1G 2,680ft 10.6s 9s
OK Cesaroni I170 1,367g 86ft/s 703ft/s 15.8G 2,691ft 10.8s 8s
OK AeroTech I300 1,416g 122ft/s 783ft/s 32.5G 2,713ft 10.4s 9s
OK Cesaroni I175 1,412g 79ft/s 682ft/s 12.7G 2,720ft 10.9s 8s
OK AeroTech I211 1,430g 101ft/s 703ft/s 21.9G 2,745ft 10.7s 8s
OK Cesaroni I223 1,469g 88ft/s 746ft/s 16.6G 2,748ft 10.8s 9s
OK AeroTech I195 1,547g 103ft/s 690ft/s 22.9G 2,772ft 10.9s 9s
OK Loki I316 1,515g 129ft/s 792ft/s 32.7G 2,842ft 10.6s 9s
OK Loki I405 1,518g 157ft/s 867ft/s 53.1G 2,886ft 10.5s 9s
OK Cesaroni I287 1,580g 96ft/s 820ft/s 20.1G 2,905ft 10.9s 9s
OK Loki I210 1,515g 115ft/s 735ft/s 28.8G 3,009ft 11.0s 9s
OK Loki I430 1,515g 128ft/s 952ft/s 34.8G 3,026ft 10.8s 10s
OK Cesaroni I285 1,481g 102ft/s 843ft/s 23.4G 3,028ft 11.0s 9s
OK Loki I377 1,535g 145ft/s 860ft/s 42.8G 3,029ft 10.8s 9s
OK Cesaroni I470 1,470g 138ft/s 1,004ft/s 37.7G 3,037ft 10.6s 9s
OK AeroTech I366 1,531g 124ft/s 898ft/s 31.7G 3,055ft 10.8s 9s
OK Cesaroni I255 1,491g 96ft/s 826ft/s 20.6G 3,088ft 11.1s 9s
OK Cesaroni I303 1,475g 106ft/s 889ft/s 27.6G 3,133ft 11.0s 9s
OK AeroTech I435 1,493g 154ft/s 990ft/s 50.7G 3,133ft 10.6s 9s
warningsW Loki I110 1,564g 74ft/s 610ft/s 16.2G 3,139ft 12.0s 8s
OK Cesaroni I242 1,525g 93ft/s 832ft/s 18.1G 3,243ft 11.4s 9s
OK AeroTech I284 1,531g 122ft/s 910ft/s 31.0G 3,253ft 11.0s 9s
OK Cesaroni J357 1,576g 116ft/s 1,012ft/s 32.3G 3,492ft 11.3s 9s
OK AeroTech I59 1,462g 70ft/s 446ft/s 10.5G 3,660ft 14.6s 6s

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 Cesaroni G46 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (42ft/s)
failedG AeroTech I49 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (43ft/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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