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Motor Guide Results

Here is your handy guide to the motors that might work with your rocket. We found 111 motors that fit and appear to have enough thrust (636 motors didn't fit, 44 motors failed safety checks). 155 motor had thrust curves available and 323 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:   Alley Oop
Owner: William Koropsak
Body Diameter: 3.00in
Dry Weight: 85.0oz
MMT Diameter: 38.0mm
MMT Length: 24.00in
CD: 0.57

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 G234 104.2oz 82ft/s 116ft/s 17.8G 240ft 4.0s 3s
OK AeroTech G339 91.4oz 73ft/s 131ft/s 13.8G 278ft 4.3s 4s
OK Contrail G123 103.0oz 49ft/s 125ft/s 11.4G 319ft 4.8s 4s
OK Cesaroni G185 91.6oz 50ft/s 140ft/s 7.1G 329ft 4.8s 4s
OK Contrail H300 106.6oz 84ft/s 157ft/s 23.2G 424ft 5.3s 5s
OK Contrail H222 103.3oz 68ft/s 156ft/s 22.6G 425ft 5.3s 5s
OK Contrail H303 105.8oz 90ft/s 169ft/s 25.5G 481ft 5.6s 5s
OK Contrail H211 106.2oz 77ft/s 194ft/s 20.4G 664ft 6.6s 6s
OK Contrail H246 106.1oz 73ft/s 213ft/s 17.0G 757ft 7.0s 6s
warningsW AeroTech H283 93.7oz 65ft/s 223ft/s 11.9G 767ft 7.1s 6s
OK AeroTech H148 95.9oz 48ft/s 211ft/s 6.3G 791ft 7.5s 6s
OK AeroTech H130 93.4oz 59ft/s 208ft/s 9.0G 815ft 7.5s 6s
OK Contrail H141 106.6oz 55ft/s 214ft/s 8.0G 841ft 7.6s 6s
OK AeroTech H669 93.9oz 104ft/s 264ft/s 41.4G 945ft 7.6s 7s
OK Loki H125 97.1oz 48ft/s 223ft/s 6.6G 953ft 8.2s 6s
OK Loki H144 96.9oz 55ft/s 233ft/s 8.2G 967ft 8.1s 7s
OK AeroTech H219 94.2oz 61ft/s 256ft/s 10.2G 1,008ft 8.1s 7s
OK AeroTech H242 94.3oz 54ft/s 258ft/s 8.1G 1,061ft 8.5s 7s
OK Loki H160 96.8oz 60ft/s 255ft/s 9.7G 1,097ft 8.5s 7s
OK Cesaroni H400 95.0oz 73ft/s 294ft/s 15.9G 1,174ft 8.6s 8s
OK Cesaroni H225 91.8oz 57ft/s 306ft/s 9.1G 1,338ft 9.3s 8s
OK AeroTech H170 96.6oz 48ft/s 316ft/s 6.7G 1,555ft 10.2s 8s
OK AeroTech I218 98.1oz 60ft/s 327ft/s 9.5G 1,559ft 10.0s 9s
OK AeroTech I180 98.6oz 69ft/s 316ft/s 12.2G 1,611ft 10.2s 8s
OK AeroTech H550 96.4oz 94ft/s 362ft/s 23.3G 1,618ft 9.8s 9s
OK AeroTech H550 96.1oz 94ft/s 365ft/s 23.4G 1,632ft 9.8s 9s
OK AeroTech I161 97.9oz 50ft/s 319ft/s 7.1G 1,641ft 10.5s 8s
warningsW Cesaroni H565 97.8oz 89ft/s 367ft/s 23.3G 1,646ft 9.9s 9s
OK AeroTech H999 96.7oz 124ft/s 379ft/s 58.8G 1,684ft 9.9s 10s
OK AeroTech I225 102.1oz 51ft/s 355ft/s 8.9G 1,810ft 10.8s 9s
OK AeroTech I245 97.9oz 73ft/s 363ft/s 14.3G 1,840ft 10.7s 9s
OK Cesaroni I212 101.8oz 50ft/s 364ft/s 8.2G 1,844ft 11.0s 9s
OK AeroTech I357 97.1oz 70ft/s 372ft/s 13.1G 1,861ft 10.7s 9s
OK Cesaroni I566 98.6oz 84ft/s 422ft/s 22.3G 2,031ft 10.9s 10s
OK Cesaroni I195 99.7oz 51ft/s 389ft/s 7.6G 2,116ft 11.7s 10s
OK Cesaroni I170 98.8oz 49ft/s 398ft/s 7.3G 2,206ft 12.0s 10s
OK Cesaroni I345 98.9oz 67ft/s 431ft/s 13.2G 2,217ft 11.5s 10s
OK AeroTech I285 102.4oz 65ft/s 421ft/s 12.3G 2,243ft 11.7s 10s
OK Cesaroni I236 99.1oz 59ft/s 421ft/s 10.3G 2,305ft 12.0s 10s
OK Cesaroni I800 101.1oz 102ft/s 472ft/s 31.9G 2,347ft 11.5s 11s
OK Cesaroni I223 102.4oz 53ft/s 428ft/s 8.1G 2,383ft 12.2s 10s
OK AeroTech I211 101.0oz 60ft/s 415ft/s 10.4G 2,386ft 12.2s 10s
OK AeroTech I195 105.2oz 63ft/s 415ft/s 11.4G 2,403ft 12.2s 10s
OK AeroTech I305 105.5oz 68ft/s 437ft/s 13.1G 2,408ft 12.0s 10s
OK AeroTech I1299 99.9oz 140ft/s 492ft/s 54.3G 2,441ft 11.6s 11s
OK AeroTech I300 100.6oz 73ft/s 446ft/s 15.7G 2,454ft 12.1s 10s
OK Loki I316 104.0oz 80ft/s 469ft/s 16.4G 2,667ft 12.4s 11s
OK Cesaroni I287 106.3oz 59ft/s 483ft/s 10.9G 2,741ft 12.8s 11s
OK Loki I210 104.0oz 68ft/s 453ft/s 14.3G 2,779ft 12.9s 11s
OK Loki I405 104.2oz 94ft/s 510ft/s 26.7G 2,873ft 12.7s 12s
OK Cesaroni I285 102.8oz 62ft/s 506ft/s 11.3G 2,963ft 13.3s 11s
OK Cesaroni I255 103.2oz 58ft/s 504ft/s 10.1G 3,001ft 13.4s 11s
OK Loki I377 104.8oz 85ft/s 522ft/s 21.6G 3,043ft 13.1s 12s
OK Loki I430 104.0oz 78ft/s 545ft/s 17.4G 3,058ft 13.2s 12s
OK AeroTech I327 107.2oz 70ft/s 532ft/s 13.5G 3,117ft 13.4s 12s
OK AMW I297 105.8oz 65ft/s 527ft/s 11.7G 3,123ft 13.5s 12s
OK AeroTech I366 104.6oz 77ft/s 542ft/s 15.8G 3,145ft 13.4s 12s
OK AeroTech I364 108.9oz 68ft/s 533ft/s 13.1G 3,145ft 13.5s 12s
OK Cesaroni I125 107.8oz 49ft/s 433ft/s 7.9G 3,190ft 14.7s 10s
OK Cesaroni I303 102.6oz 66ft/s 536ft/s 13.5G 3,198ft 13.6s 12s
OK Cesaroni I242 104.4oz 56ft/s 524ft/s 8.8G 3,218ft 13.9s 12s
OK Cesaroni I470 102.5oz 84ft/s 573ft/s 18.6G 3,220ft 13.3s 12s
OK AeroTech I280 106.7oz 62ft/s 538ft/s 10.4G 3,238ft 13.8s 12s
OK Cesaroni I350 112.6oz 66ft/s 567ft/s 11.9G 3,406ft 14.0s 12s
OK KBA I301 110.6oz 61ft/s 577ft/s 12.4G 3,417ft 13.9s 12s
OK AeroTech I435 103.3oz 95ft/s 589ft/s 25.3G 3,428ft 13.6s 12s
OK KBA I550 110.1oz 82ft/s 638ft/s 22.6G 3,484ft 13.6s 13s
OK AeroTech I284 104.6oz 75ft/s 573ft/s 15.9G 3,497ft 14.0s 12s
OK AeroTech I500 105.3oz 82ft/s 636ft/s 18.7G 3,746ft 14.2s 13s
OK Cesaroni I216 106.2oz 59ft/s 561ft/s 10.5G 3,785ft 14.9s 12s
OK Loki J396 111.5oz 70ft/s 624ft/s 17.0G 3,787ft 14.5s 13s
warningsW Cesaroni I540 106.1oz 89ft/s 658ft/s 20.7G 3,820ft 14.3s 13s
OK AeroTech I600 106.2oz 100ft/s 657ft/s 26.8G 3,838ft 14.2s 13s
OK Cesaroni J335 107.1oz 71ft/s 622ft/s 12.8G 3,858ft 14.7s 13s
OK AeroTech J420 107.9oz 78ft/s 639ft/s 17.7G 3,862ft 14.5s 13s
OK AeroTech I350 106.7oz 72ft/s 643ft/s 15.7G 3,865ft 14.6s 13s
OK Cesaroni J270 108.1oz 57ft/s 606ft/s 9.2G 3,882ft 15.0s 13s
OK Cesaroni J381 109.3oz 77ft/s 633ft/s 15.6G 3,884ft 14.6s 13s
OK Cesaroni J285 106.0oz 64ft/s 610ft/s 11.6G 3,896ft 14.8s 13s
OK AeroTech J350 108.5oz 95ft/s 641ft/s 26.3G 3,901ft 14.4s 13s
OK KBA J740 110.5oz 100ft/s 681ft/s 30.9G 3,914ft 14.3s 14s
OK Cesaroni J316 106.4oz 70ft/s 614ft/s 13.8G 3,916ft 14.8s 13s
OK AeroTech J340 105.4oz 82ft/s 634ft/s 19.5G 3,919ft 14.6s 12s
OK Cesaroni J357 106.2oz 72ft/s 645ft/s 16.4G 3,964ft 14.7s 13s
OK AeroTech J425 107.3oz 68ft/s 680ft/s 14.5G 4,091ft 14.9s 13s
OK Cesaroni J290 108.3oz 64ft/s 633ft/s 12.0G 4,091ft 15.2s 13s
OK Cesaroni J400 109.8oz 73ft/s 672ft/s 14.9G 4,158ft 15.0s 13s
OK AeroTech J520 112.2oz 109ft/s 683ft/s 31.9G 4,203ft 14.8s 13s
OK AeroTech J270 107.6oz 64ft/s 640ft/s 11.0G 4,221ft 15.4s 13s
OK AeroTech J500 108.1oz 92ft/s 715ft/s 25.3G 4,348ft 15.0s 14s
OK Loki J528 111.3oz 103ft/s 730ft/s 32.0G 4,404ft 15.0s 14s
OK AeroTech J575 117.2oz 102ft/s 748ft/s 26.3G 4,555ft 15.2s 14s
OK Cesaroni J330 109.8oz 71ft/s 699ft/s 14.1G 4,587ft 15.7s 13s
OK Cesaroni J410 110.9oz 77ft/s 729ft/s 15.5G 4,622ft 15.6s 14s
OK AeroTech J435 107.0oz 91ft/s 750ft/s 22.2G 4,684ft 15.5s 14s
OK Cesaroni J425 109.7oz 82ft/s 740ft/s 21.0G 4,684ft 15.6s 14s
OK Loki J712 111.5oz 98ft/s 789ft/s 27.4G 4,743ft 15.5s 14s
OK Loki J320 111.5oz 71ft/s 714ft/s 16.1G 4,815ft 16.1s 14s
OK Cesaroni J354 112.4oz 74ft/s 730ft/s 15.7G 4,856ft 16.0s 14s
OK Cesaroni J520 115.0oz 81ft/s 792ft/s 19.5G 4,944ft 15.9s 14s
OK Cesaroni J580 121.8oz 82ft/s 809ft/s 20.0G 5,083ft 16.1s 15s
OK AeroTech J825 115.9oz 113ft/s 933ft/s 35.5G 5,561ft 16.3s 15s
OK Cesaroni J150 118.5oz 50ft/s 611ft/s 8.9G 5,561ft 18.5s 12s
OK Cesaroni J394 118.1oz 71ft/s 844ft/s 13.2G 5,650ft 17.1s 15s
OK Cesaroni J595 115.5oz 91ft/s 902ft/s 27.3G 5,718ft 16.7s 15s
OK Cesaroni J600 117.0oz 92ft/s 919ft/s 21.3G 5,750ft 16.7s 15s
OK Cesaroni J453 119.0oz 83ft/s 866ft/s 21.0G 5,833ft 17.1s 15s
OK Cesaroni J420 115.8oz 87ft/s 855ft/s 23.4G 5,851ft 17.0s 14s
OK AeroTech J570 116.8oz 111ft/s 885ft/s 34.5G 5,900ft 16.8s 15s
OK Cesaroni J530 119.5oz 94ft/s 951ft/s 23.3G 6,315ft 17.3s 15s
OK AeroTech J510 123.1oz 103ft/s 962ft/s 29.4G 6,522ft 17.6s 15s

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 (170ft)
failedG AeroTech G67 speed at end of launch guide too slow (31ft/s)
failedG Loki G69 speed at end of launch guide too slow (32ft/s)
failedG AeroTech G61 speed at end of launch guide too slow (29ft/s)
failedG Loki G70 speed at end of launch guide too slow (33ft/s)
failedG Loki G94 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni G69 speed at end of launch guide too slow (28ft/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 (36ft/s)
failedG Cesaroni G60 speed at end of launch guide too slow (29ft/s)
failedG AeroTech G69 speed at end of launch guide too slow (28ft/s)
failedG Cesaroni G58 speed at end of launch guide too slow (23ft/s)
failedG Cesaroni G115 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni G78 speed at end of launch guide too slow (30ft/s)
failedG Contrail G100 speed at end of launch guide too slow (45ft/s)
failedG Cesaroni G50 speed at end of launch guide too slow (21ft/s)
failedA Contrail G300 rocket doesn't reach a safe altitude (179ft)
failedG AeroTech H73 speed at end of launch guide too slow (28ft/s)
failedG Loki H100 speed at end of launch guide too slow (39ft/s)
failedG AeroTech H123 speed at end of launch guide too slow (41ft/s)
failedG Contrail H121 speed at end of launch guide too slow (48ft/s)
failedG AeroTech H100 speed at end of launch guide too slow (37ft/s)
failedG Cesaroni H123 speed at end of launch guide too slow (37ft/s)
failedG Loki H90 speed at end of launch guide too slow (40ft/s)
failedG Cesaroni H143 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni H120 speed at end of launch guide too slow (40ft/s)
failedG AeroTech H112 speed at end of launch guide too slow (33ft/s)
failedG Cesaroni H110 speed at end of launch guide too slow (35ft/s)
failedG Cesaroni H152 speed at end of launch guide too slow (46ft/s)
failedG AeroTech H178 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni H125 speed at end of launch guide too slow (39ft/s)
failedG Cesaroni H100 speed at end of launch guide too slow (35ft/s)
failedG AeroTech H45 speed at end of launch guide too slow (28ft/s)
failedG AeroTech I140 speed at end of launch guide too slow (44ft/s)
failedG Cesaroni I180 speed at end of launch guide too slow (46ft/s)
failedG AeroTech I154 speed at end of launch guide too slow (41ft/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 (23ft/s)
failedG Cesaroni I175 speed at end of launch guide too slow (47ft/s)
failedG AeroTech I59 speed at end of launch guide too slow (41ft/s)
failedG Loki I110 speed at end of launch guide too slow (43ft/s)
failedG Cesaroni J94 speed at end of launch guide too slow (38ft/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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