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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 86 motors that fit and appear to have enough thrust (672 motors didn't fit, 42 motors failed safety checks). 128 motor had thrust curves available and 269 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:   Formula 75 Cherry RocketryWarehouse
Owner: John Grove
Body Diameter: 3.00in
Dry Weight: 80.0oz
MMT Diameter: 38.0mm
MMT Length: 16.00in
CD: 0.65
Web Site: http://rocketrywarehouse.com/product_info.php?products_id=384

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 86.4oz 74ft/s 139ft/s 14.7G 307ft 4.5s 4s
OK Contrail G123 98.0oz 50ft/s 133ft/s 12.1G 351ft 5.0s 4s
OK Cesaroni G185 86.6oz 51ft/s 149ft/s 7.6G 365ft 5.0s 4s
OK Contrail H222 98.3oz 72ft/s 164ft/s 23.8G 462ft 5.5s 5s
warningsW AeroTech H283 88.7oz 69ft/s 236ft/s 12.6G 825ft 7.3s 7s
OK AeroTech H148 90.9oz 50ft/s 224ft/s 6.7G 855ft 7.7s 6s
OK AeroTech H130 88.4oz 60ft/s 221ft/s 9.6G 880ft 7.7s 6s
OK AeroTech H669 88.9oz 107ft/s 279ft/s 43.8G 1,004ft 7.8s 7s
OK Loki H125 92.1oz 49ft/s 236ft/s 7.0G 1,023ft 8.4s 6s
OK Loki H144 91.9oz 58ft/s 247ft/s 8.7G 1,034ft 8.3s 7s
OK AeroTech H219 89.2oz 62ft/s 271ft/s 10.8G 1,073ft 8.3s 7s
OK AeroTech H242 89.3oz 56ft/s 273ft/s 8.6G 1,130ft 8.6s 7s
OK Loki H160 91.8oz 63ft/s 270ft/s 10.3G 1,164ft 8.7s 7s
OK Cesaroni H400 90.0oz 75ft/s 311ft/s 16.8G 1,238ft 8.7s 8s
OK Cesaroni H225 86.8oz 60ft/s 324ft/s 9.7G 1,407ft 9.5s 8s
OK AeroTech I218 93.1oz 61ft/s 344ft/s 10.1G 1,623ft 10.1s 9s
OK AeroTech H170 91.6oz 49ft/s 333ft/s 7.1G 1,624ft 10.3s 8s
OK AeroTech H550 91.4oz 95ft/s 382ft/s 24.6G 1,671ft 9.8s 9s
OK AeroTech I180 93.6oz 68ft/s 331ft/s 12.9G 1,674ft 10.2s 8s
OK AeroTech H550 91.1oz 95ft/s 385ft/s 24.8G 1,684ft 9.9s 9s
warningsW Cesaroni H565 92.8oz 94ft/s 387ft/s 24.5G 1,698ft 9.9s 9s
OK AeroTech I161 92.9oz 52ft/s 336ft/s 7.5G 1,709ft 10.6s 8s
OK AeroTech H999 91.7oz 126ft/s 400ft/s 62.1G 1,731ft 9.9s 10s
OK AeroTech I225 97.1oz 53ft/s 372ft/s 9.4G 1,867ft 10.8s 9s
OK AeroTech I245 92.9oz 72ft/s 381ft/s 15.1G 1,891ft 10.6s 9s
OK Cesaroni I212 96.8oz 51ft/s 383ft/s 8.7G 1,902ft 11.0s 9s
OK AeroTech I357 92.1oz 71ft/s 392ft/s 13.8G 1,912ft 10.7s 9s
OK Cesaroni I566 93.6oz 89ft/s 445ft/s 23.4G 2,067ft 10.8s 10s
OK Cesaroni I195 94.7oz 54ft/s 408ft/s 8.0G 2,166ft 11.7s 10s
OK Cesaroni I345 93.9oz 71ft/s 453ft/s 13.9G 2,250ft 11.4s 10s
OK Cesaroni I175 95.4oz 48ft/s 411ft/s 6.4G 2,252ft 12.0s 10s
OK Cesaroni I170 93.8oz 52ft/s 417ft/s 7.7G 2,252ft 11.9s 10s
OK AeroTech I285 97.4oz 67ft/s 441ft/s 13.0G 2,276ft 11.6s 10s
OK Cesaroni I236 94.1oz 59ft/s 441ft/s 10.9G 2,340ft 11.9s 10s
OK Cesaroni I800 96.1oz 103ft/s 497ft/s 33.5G 2,361ft 11.4s 11s
OK Cesaroni I223 97.4oz 54ft/s 448ft/s 8.5G 2,415ft 12.1s 10s
OK AeroTech I211 96.0oz 62ft/s 434ft/s 11.0G 2,417ft 12.1s 10s
OK AeroTech I305 100.5oz 68ft/s 457ft/s 13.8G 2,427ft 11.8s 10s
OK AeroTech I195 100.2oz 65ft/s 433ft/s 12.0G 2,433ft 12.1s 10s
OK AeroTech I1299 94.9oz 142ft/s 518ft/s 57.2G 2,445ft 11.4s 11s
OK AeroTech I300 95.6oz 75ft/s 467ft/s 16.5G 2,474ft 11.9s 10s
OK Loki I316 99.0oz 78ft/s 489ft/s 17.3G 2,671ft 12.2s 11s
OK Cesaroni I287 101.3oz 61ft/s 504ft/s 11.5G 2,744ft 12.7s 11s
OK Loki I210 99.0oz 72ft/s 471ft/s 15.1G 2,785ft 12.7s 10s
OK Loki I405 99.2oz 99ft/s 531ft/s 28.2G 2,856ft 12.4s 11s
OK Cesaroni I285 97.8oz 65ft/s 528ft/s 12.0G 2,950ft 13.0s 11s
OK Cesaroni I255 98.2oz 62ft/s 525ft/s 10.6G 2,990ft 13.2s 11s
OK Loki I377 99.8oz 90ft/s 544ft/s 22.7G 3,017ft 12.8s 11s
OK Loki I430 99.0oz 77ft/s 570ft/s 18.3G 3,031ft 12.9s 12s
OK AeroTech I327 102.2oz 74ft/s 554ft/s 14.2G 3,086ft 13.1s 11s
OK AMW I297 100.8oz 65ft/s 549ft/s 12.3G 3,096ft 13.2s 11s
OK AeroTech I366 99.6oz 78ft/s 565ft/s 16.7G 3,110ft 13.1s 12s
OK AeroTech I364 103.9oz 67ft/s 555ft/s 13.7G 3,111ft 13.2s 12s
OK Cesaroni I303 97.6oz 70ft/s 559ft/s 14.2G 3,164ft 13.3s 11s
OK Cesaroni I470 97.5oz 83ft/s 599ft/s 19.6G 3,173ft 13.0s 12s
OK Cesaroni I242 99.4oz 59ft/s 545ft/s 9.3G 3,192ft 13.6s 11s
OK Cesaroni I125 102.8oz 51ft/s 447ft/s 8.4G 3,202ft 14.4s 10s
OK AeroTech I280 101.7oz 65ft/s 560ft/s 10.9G 3,204ft 13.5s 12s
OK KBA I301 105.6oz 64ft/s 599ft/s 13.1G 3,337ft 13.5s 12s
OK Cesaroni I350 107.6oz 70ft/s 590ft/s 12.4G 3,354ft 13.7s 12s
OK AeroTech I435 98.3oz 96ft/s 614ft/s 26.7G 3,360ft 13.3s 12s
OK KBA I550 105.1oz 87ft/s 668ft/s 23.6G 3,378ft 13.2s 12s
OK AeroTech I284 99.6oz 78ft/s 595ft/s 16.7G 3,431ft 13.6s 12s
OK AeroTech I500 100.3oz 81ft/s 662ft/s 19.7G 3,648ft 13.8s 12s
OK KBA J520 105.5oz 81ft/s 666ft/s 23.3G 3,689ft 13.9s 13s
OK Loki J396 106.5oz 70ft/s 647ft/s 17.7G 3,697ft 14.0s 12s
warningsW Cesaroni I540 101.1oz 87ft/s 686ft/s 21.7G 3,711ft 13.8s 13s
OK Cesaroni I216 101.2oz 59ft/s 580ft/s 11.0G 3,717ft 14.5s 11s
OK AeroTech I600 101.2oz 105ft/s 684ft/s 28.1G 3,726ft 13.8s 13s
OK AeroTech J420 102.9oz 81ft/s 663ft/s 18.6G 3,759ft 14.1s 12s
OK AeroTech I350 101.7oz 76ft/s 668ft/s 16.5G 3,762ft 14.1s 13s
OK Cesaroni J335 102.1oz 71ft/s 646ft/s 13.5G 3,764ft 14.2s 12s
OK AeroTech J350 103.5oz 96ft/s 665ft/s 27.6G 3,789ft 14.0s 12s
OK Cesaroni J270 103.1oz 60ft/s 627ft/s 9.6G 3,797ft 14.6s 12s
OK KBA J740 105.5oz 105ft/s 711ft/s 32.1G 3,798ft 13.9s 13s
OK Cesaroni J285 101.0oz 67ft/s 632ft/s 12.2G 3,803ft 14.4s 12s
OK AeroTech J340 100.4oz 81ft/s 657ft/s 20.5G 3,809ft 14.1s 12s
OK Cesaroni J316 101.4oz 69ft/s 636ft/s 14.5G 3,826ft 14.4s 12s
OK Cesaroni J357 101.2oz 76ft/s 670ft/s 17.3G 3,854ft 14.3s 12s
OK AeroTech J425 102.3oz 71ft/s 707ft/s 15.1G 3,965ft 14.4s 13s
OK Cesaroni J290 103.3oz 68ft/s 654ft/s 12.7G 3,981ft 14.7s 12s
OK AeroTech J270 102.6oz 64ft/s 660ft/s 11.5G 4,098ft 14.9s 12s
OK AeroTech J500 103.1oz 96ft/s 741ft/s 26.6G 4,186ft 14.5s 13s
OK AeroTech J435 102.0oz 89ft/s 776ft/s 23.3G 4,489ft 14.9s 13s
OK Loki J712 106.5oz 103ft/s 819ft/s 28.7G 4,536ft 14.9s 14s
OK Loki J320 106.5oz 75ft/s 735ft/s 16.9G 4,636ft 15.5s 13s

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
failedA Contrail G130 rocket doesn't reach a safe altitude (188ft)
failedG AeroTech G67 speed at end of launch guide too slow (32ft/s)
failedG Loki G69 speed at end of launch guide too slow (34ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (30ft/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 (40ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (29ft/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 (30ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (24ft/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 (31ft/s)
failedG Contrail G100 speed at end of launch guide too slow (46ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (22ft/s)
failedA Contrail G300 rocket doesn't reach a safe altitude (196ft)
failedG AeroTech H73 speed at end of launch guide too slow (28ft/s)
failedG Loki H100 speed at end of launch guide too slow (40ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (42ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (39ft/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 (41ft/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 (34ft/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 (47ft/s)
failedG AeroTech H178 speed at end of launch guide too slow (47ft/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 (30ft/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 (43ft/s)
failedG Loki I110 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni J94 speed at end of launch guide too slow (39ft/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.)

A The minimum altitude check is used to ensure that the rocket flies high enough to ensure time for a safe recovery. In addition, many barometric altimeters require a minimum altitude to detect lift-off. (The minimum altitude is 10m or 33ft for an A motor and doubles for each impulse class).

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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