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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 153 motors that fit and appear to have enough thrust (653 motors didn't fit, 5 motors failed safety checks). 158 motor had thrust curves available and 325 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:   Interceptor Sport
Owner: Erik Czerwin
Body Diameter: 2.24in
Dry Weight: 33.3oz
MMT Diameter: 38.0mm
MMT Length: 24.00in
CD: 0.47

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 52.5oz 160ft/s 214ft/s 54.9G 677ft 6.4s 6s
OK Contrail G130 51.5oz 86ft/s 204ft/s 36.4G 700ft 6.7s 6s
OK Contrail G234 52.5oz 131ft/s 246ft/s 36.5G 907ft 7.5s 7s
OK Loki G69 41.8oz 62ft/s 255ft/s 7.4G 1,087ft 8.6s 7s
OK AeroTech G61 40.1oz 55ft/s 256ft/s 6.3G 1,130ft 8.9s 7s
OK AeroTech G67 40.4oz 59ft/s 268ft/s 7.2G 1,139ft 8.9s 7s
OK Loki G70 41.8oz 62ft/s 271ft/s 7.8G 1,214ft 9.1s 7s
OK Loki G80 42.3oz 66ft/s 279ft/s 8.6G 1,237ft 9.0s 8s
OK Contrail G123 51.3oz 82ft/s 284ft/s 24.0G 1,249ft 8.9s 8s
OK AeroTech G339 39.7oz 131ft/s 319ft/s 33.3G 1,271ft 8.7s 8s
OK Contrail G100 51.3oz 78ft/s 283ft/s 11.8G 1,299ft 9.1s 8s
OK Loki G94 41.8oz 71ft/s 296ft/s 10.4G 1,322ft 9.2s 8s
OK Cesaroni G69 40.2oz 55ft/s 302ft/s 6.7G 1,431ft 9.9s 8s
OK Cesaroni G79 41.3oz 52ft/s 315ft/s 7.4G 1,443ft 9.9s 8s
OK Contrail H300 54.9oz 150ft/s 324ft/s 46.2G 1,455ft 9.3s 9s
OK Loki G66 42.1oz 67ft/s 300ft/s 8.9G 1,491ft 10.0s 8s
OK Contrail H222 51.6oz 119ft/s 331ft/s 46.2G 1,516ft 9.5s 9s
OK Cesaroni G185 39.9oz 89ft/s 351ft/s 17.8G 1,518ft 9.6s 9s
OK AeroTech G69 40.4oz 55ft/s 325ft/s 6.6G 1,578ft 10.3s 8s
OK Cesaroni G60 40.6oz 57ft/s 324ft/s 6.6G 1,616ft 10.4s 8s
OK Contrail H303 54.1oz 161ft/s 349ft/s 51.0G 1,626ft 9.8s 9s
OK Cesaroni G78 40.2oz 57ft/s 346ft/s 10.7G 1,716ft 10.6s 9s
OK Cesaroni G115 40.2oz 70ft/s 366ft/s 10.8G 1,723ft 10.4s 9s
OK Contrail H211 54.5oz 127ft/s 405ft/s 40.7G 2,142ft 11.2s 10s
OK AeroTech H73 44.2oz 52ft/s 387ft/s 6.3G 2,256ft 12.3s 9s
OK Contrail H246 54.4oz 124ft/s 440ft/s 34.2G 2,380ft 11.7s 11s
OK Contrail H121 54.9oz 81ft/s 415ft/s 16.4G 2,414ft 12.2s 10s
OK Loki H100 45.1oz 70ft/s 441ft/s 11.0G 2,513ft 12.3s 10s
OK Contrail H141 54.9oz 89ft/s 452ft/s 16.4G 2,657ft 12.5s 11s
warningsW AeroTech H283 42.0oz 115ft/s 528ft/s 28.0G 2,706ft 12.1s 11s
OK AeroTech H148 44.2oz 86ft/s 508ft/s 14.9G 2,825ft 12.7s 11s
OK AeroTech H130 41.7oz 102ft/s 510ft/s 21.4G 2,895ft 12.7s 11s
OK AeroTech H669 42.2oz 184ft/s 608ft/s 93.5G 3,058ft 12.6s 12s
OK AeroTech H123 43.0oz 73ft/s 510ft/s 11.5G 3,109ft 13.4s 11s
OK Loki H90 45.1oz 73ft/s 495ft/s 10.7G 3,123ft 13.7s 11s
OK AeroTech H100 42.5oz 67ft/s 521ft/s 10.1G 3,139ft 13.5s 11s
OK Loki H144 45.2oz 97ft/s 542ft/s 18.8G 3,176ft 13.3s 12s
OK Loki H125 45.4oz 86ft/s 527ft/s 15.3G 3,197ft 13.5s 12s
OK Cesaroni H123 43.8oz 67ft/s 555ft/s 11.4G 3,201ft 13.6s 12s
OK Cesaroni H143 45.5oz 70ft/s 568ft/s 12.3G 3,247ft 13.7s 12s
OK AeroTech H219 42.5oz 108ft/s 600ft/s 23.9G 3,266ft 13.2s 12s
OK AeroTech H242 42.6oz 96ft/s 611ft/s 19.2G 3,429ft 13.6s 12s
OK Loki H160 45.1oz 102ft/s 584ft/s 22.0G 3,431ft 13.6s 12s
OK AeroTech H112 46.7oz 59ft/s 532ft/s 7.6G 3,495ft 14.6s 11s
OK Cesaroni H400 43.3oz 127ft/s 680ft/s 36.7G 3,570ft 13.5s 13s
OK Cesaroni H120 43.7oz 72ft/s 604ft/s 11.3G 3,637ft 14.3s 12s
OK Cesaroni H110 44.8oz 64ft/s 595ft/s 9.1G 3,698ft 14.6s 12s
OK Cesaroni H125 43.6oz 71ft/s 625ft/s 11.7G 3,738ft 14.5s 12s
OK Cesaroni H152 43.8oz 81ft/s 656ft/s 16.4G 3,904ft 14.5s 13s
OK AeroTech H178 44.7oz 78ft/s 684ft/s 16.8G 3,943ft 14.5s 13s
OK Cesaroni H100 44.8oz 65ft/s 619ft/s 8.5G 3,966ft 15.1s 12s
OK Cesaroni H225 40.1oz 105ft/s 743ft/s 22.1G 4,004ft 14.2s 13s
OK AeroTech I218 46.4oz 103ft/s 733ft/s 21.4G 4,310ft 14.9s 13s
OK AeroTech H550 44.7oz 162ft/s 810ft/s 52.1G 4,315ft 14.4s 14s
OK AeroTech H550 44.4oz 163ft/s 824ft/s 52.8G 4,315ft 14.4s 14s
warningsW Cesaroni H565 46.1oz 152ft/s 817ft/s 52.1G 4,352ft 14.5s 14s
OK AeroTech I180 46.9oz 117ft/s 696ft/s 26.9G 4,374ft 15.0s 13s
OK AeroTech H170 44.9oz 87ft/s 728ft/s 15.6G 4,386ft 15.1s 13s
OK AeroTech H999 45.0oz 216ft/s 845ft/s 127.9G 4,388ft 14.4s 14s
OK AeroTech H45 46.2oz 54ft/s 524ft/s 5.7G 4,419ft 16.7s 11s
OK AeroTech I161 46.2oz 87ft/s 722ft/s 16.2G 4,520ft 15.3s 13s
OK Cesaroni I180 47.2oz 80ft/s 760ft/s 15.6G 4,581ft 15.4s 13s
OK AeroTech I175 45.6oz 98ft/s 711ft/s 18.9G 4,605ft 15.6s 14s
OK AeroTech I140 45.9oz 77ft/s 721ft/s 13.3G 4,673ft 15.7s 13s
OK AeroTech I225 50.4oz 86ft/s 770ft/s 19.5G 4,678ft 15.5s 14s
OK AeroTech I245 46.2oz 122ft/s 796ft/s 31.7G 4,723ft 15.2s 14s
OK AeroTech I357 45.4oz 120ft/s 828ft/s 29.2G 4,771ft 15.2s 14s
OK Cesaroni I212 50.1oz 84ft/s 799ft/s 18.1G 4,792ft 15.7s 14s
OK Cesaroni I566 46.9oz 139ft/s 931ft/s 49.4G 4,980ft 15.3s 15s
OK AeroTech I154 50.7oz 70ft/s 720ft/s 11.0G 5,025ft 16.6s 13s
OK Cesaroni I195 48.0oz 89ft/s 855ft/s 16.9G 5,300ft 16.3s 14s
OK Cesaroni I345 47.2oz 122ft/s 942ft/s 28.7G 5,333ft 15.9s 15s
OK AeroTech I285 50.7oz 108ft/s 892ft/s 26.2G 5,345ft 16.1s 15s
OK Cesaroni I800 49.4oz 166ft/s 1,015ft/s 69.6G 5,399ft 15.7s 15s
OK Cesaroni I170 47.1oz 86ft/s 875ft/s 16.4G 5,456ft 16.5s 14s
OK Cesaroni I175 48.7oz 81ft/s 858ft/s 13.6G 5,461ft 16.6s 14s
OK AeroTech I305 53.8oz 108ft/s 901ft/s 27.3G 5,466ft 16.1s 15s
OK AeroTech I1299 48.2oz 225ft/s 1,057ft/s 117.3G 5,502ft 15.7s 15s
OK Cesaroni I236 47.4oz 100ft/s 918ft/s 22.6G 5,529ft 16.3s 15s
OK AeroTech I195 53.5oz 102ft/s 856ft/s 23.6G 5,573ft 16.5s 14s
OK AeroTech I211 49.3oz 103ft/s 884ft/s 22.5G 5,596ft 16.4s 14s
OK Cesaroni I223 50.7oz 90ft/s 916ft/s 17.7G 5,622ft 16.6s 15s
OK AeroTech I300 48.9oz 125ft/s 949ft/s 33.3G 5,649ft 16.2s 15s
OK Loki I316 52.3oz 132ft/s 958ft/s 34.0G 5,922ft 16.6s 15s
OK Cesaroni I287 54.6oz 99ft/s 994ft/s 22.8G 6,040ft 16.9s 15s
warningsW Loki I110 54.1oz 75ft/s 800ft/s 16.6G 6,122ft 17.8s 14s
OK Loki I405 52.5oz 161ft/s 1,033ft/s 54.3G 6,148ft 16.6s 15s
OK Loki I210 52.3oz 117ft/s 922ft/s 29.4G 6,173ft 17.1s 15s
OK Cesaroni I285 51.1oz 105ft/s 1,056ft/s 23.9G 6,401ft 17.2s 15s
OK Loki I377 53.1oz 148ft/s 1,052ft/s 43.7G 6,440ft 17.1s 16s
OK Cesaroni I255 51.5oz 98ft/s 1,049ft/s 21.4G 6,492ft 17.3s 15s
OK AeroTech I327 55.5oz 117ft/s 1,076ft/s 27.1G 6,495ft 17.2s 16s
OK Loki I430 52.3oz 131ft/s 1,126ft/s 35.6G 6,508ft 17.1s 16s
OK AeroTech I364 57.2oz 112ft/s 1,066ft/s 26.5G 6,508ft 17.2s 16s
OK AeroTech I366 52.9oz 127ft/s 1,109ft/s 32.5G 6,551ft 17.1s 16s
OK AMW I297 54.1oz 107ft/s 1,075ft/s 23.9G 6,552ft 17.3s 15s
OK Cesaroni I470 50.8oz 141ft/s 1,194ft/s 38.5G 6,654ft 17.0s 16s
OK Cesaroni I303 50.9oz 108ft/s 1,111ft/s 28.2G 6,693ft 17.3s 15s
OK AeroTech I280 55.0oz 100ft/s 1,095ft/s 21.1G 6,736ft 17.6s 16s
OK AeroTech I59 50.5oz 69ft/s 577ft/s 11.1G 6,737ft 20.0s 11s
OK Cesaroni I242 52.7oz 95ft/s 1,078ft/s 18.5G 6,797ft 17.7s 15s
OK AeroTech I435 51.6oz 158ft/s 1,200ft/s 51.9G 6,867ft 17.2s 16s
OK Cesaroni I350 60.9oz 107ft/s 1,108ft/s 23.4G 6,914ft 17.9s 16s
OK KBA I550 58.4oz 126ft/s 1,171ft/s 40.8G 6,955ft 17.7s 17s
OK KBA I301 58.9oz 101ft/s 1,060ft/s 24.0G 6,959ft 18.1s 16s
OK AeroTech I284 52.9oz 125ft/s 1,155ft/s 32.6G 6,997ft 17.5s 16s
OK Cesaroni I125 56.1oz 82ft/s 872ft/s 16.2G 7,047ft 18.9s 14s
OK AeroTech I500 53.6oz 133ft/s 1,286ft/s 38.3G 7,283ft 17.6s 16s
warningsW Cesaroni I540 54.4oz 140ft/s 1,329ft/s 42.4G 7,353ft 17.6s 16s
OK AeroTech I600 54.5oz 168ft/s 1,314ft/s 53.3G 7,353ft 17.6s 16s
OK KBA J520 58.8oz 129ft/s 1,249ft/s 42.7G 7,429ft 18.1s 17s
OK AeroTech J350 56.8oz 153ft/s 1,254ft/s 51.3G 7,434ft 17.8s 16s
OK Loki J396 59.8oz 113ft/s 1,211ft/s 33.5G 7,436ft 18.2s 17s
OK AeroTech J340 53.7oz 135ft/s 1,264ft/s 39.3G 7,450ft 17.7s 16s
OK Cesaroni J381 57.6oz 124ft/s 1,242ft/s 30.7G 7,464ft 18.0s 16s
OK AeroTech I350 55.0oz 119ft/s 1,290ft/s 32.2G 7,477ft 17.9s 16s
OK AeroTech J420 56.2oz 128ft/s 1,263ft/s 35.2G 7,480ft 18.0s 16s
OK Cesaroni J335 55.4oz 119ft/s 1,237ft/s 26.0G 7,526ft 18.1s 16s
OK KBA J740 58.8oz 165ft/s 1,330ft/s 60.9G 7,565ft 18.0s 17s
OK AeroTech J520 60.0oz 169ft/s 1,237ft/s 53.2G 7,601ft 18.1s 17s
OK Cesaroni I216 54.5oz 97ft/s 1,114ft/s 21.4G 7,606ft 18.5s 15s
OK Cesaroni J357 54.5oz 119ft/s 1,289ft/s 33.0G 7,626ft 18.0s 16s
OK Cesaroni J270 56.4oz 94ft/s 1,205ft/s 18.9G 7,646ft 18.5s 16s
OK Cesaroni J285 54.3oz 106ft/s 1,216ft/s 23.9G 7,647ft 18.3s 16s
OK Cesaroni J316 54.7oz 110ft/s 1,212ft/s 27.8G 7,756ft 18.5s 16s
OK AeroTech J425 55.6oz 112ft/s 1,369ft/s 29.5G 7,779ft 18.1s 17s
OK Cesaroni J400 58.1oz 116ft/s 1,312ft/s 29.8G 7,852ft 18.3s 17s
OK Cesaroni J290 56.6oz 107ft/s 1,242ft/s 24.0G 7,856ft 18.5s 16s
OK Loki J474 60.0oz 173ft/s 1,238ft/s 71.0G 7,859ft 18.3s 17s
OK AeroTech J500 56.4oz 153ft/s 1,398ft/s 49.7G 8,012ft 18.1s 17s
OK AeroTech J270 55.9oz 101ft/s 1,254ft/s 22.1G 8,022ft 18.6s 16s
OK AeroTech J575 65.5oz 157ft/s 1,391ft/s 49.4G 8,052ft 18.2s 17s
OK Cesaroni J94 56.6oz 64ft/s 862ft/s 9.4G 8,081ft 20.8s 14s
OK Loki J528 59.6oz 167ft/s 1,397ft/s 60.7G 8,094ft 18.3s 17s
OK Loki J326 60.3oz 141ft/s 1,210ft/s 57.2G 8,292ft 19.0s 17s
OK Cesaroni J410 59.2oz 121ft/s 1,402ft/s 30.1G 8,445ft 18.8s 17s
OK Cesaroni J425 58.0oz 128ft/s 1,424ft/s 40.6G 8,446ft 18.6s 17s
OK AeroTech J435 55.3oz 142ft/s 1,469ft/s 44.0G 8,451ft 18.4s 17s
OK Cesaroni J330 58.1oz 114ft/s 1,345ft/s 27.6G 8,480ft 18.9s 17s
OK Loki J712 59.8oz 156ft/s 1,516ft/s 51.9G 8,553ft 18.7s 17s
OK Cesaroni J520 63.3oz 131ft/s 1,490ft/s 36.5G 8,722ft 18.9s 17s
OK Cesaroni J354 60.7oz 124ft/s 1,374ft/s 29.9G 8,745ft 19.1s 17s
OK Cesaroni J580 70.1oz 127ft/s 1,478ft/s 37.2G 8,959ft 19.4s 18s
OK AeroTech J825 64.2oz 169ft/s 1,747ft/s 65.1G 9,394ft 19.0s 18s
OK Cesaroni J595 63.8oz 155ft/s 1,662ft/s 50.3G 9,636ft 19.3s 18s
OK Cesaroni J600 65.3oz 144ft/s 1,701ft/s 39.9G 9,648ft 19.4s 18s
OK Cesaroni J394 66.4oz 109ft/s 1,555ft/s 24.1G 9,732ft 19.9s 17s
OK AeroTech J570 65.1oz 166ft/s 1,595ft/s 62.9G 9,849ft 19.5s 17s
OK Cesaroni J453 67.3oz 131ft/s 1,565ft/s 37.9G 9,858ft 19.8s 17s
OK Cesaroni J420 64.1oz 139ft/s 1,554ft/s 43.1G 9,981ft 19.9s 17s
OK Cesaroni J150 66.8oz 83ft/s 1,110ft/s 16.5G 10,290ft 21.9s 15s
OK Cesaroni J530 67.8oz 143ft/s 1,704ft/s 42.0G 10,419ft 20.0s 18s
OK AeroTech J510 71.4oz 153ft/s 1,684ft/s 51.5G 10,632ft 20.2s 18s

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 (47ft/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 (41ft/s)
failedG Cesaroni I55 speed at end of launch guide too slow (44ft/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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