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Rocket Name: | North Coast Archer 4 inch | Owner: | Louie Berlin |
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Body Diameter: | 4.00in | |
Dry Weight: | 2.12lb | |
MMT Diameter: | 29.0mm | |
MMT Length: | 36.00in | |
CD: | 0.75 |
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 | |
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AeroTech F62 | 2.36lb | 50ft/s | 130ft/s | 5.1G | 274ft | 4.4s | 3s |
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AeroTech F42 | 2.29lb | 52ft/s | 127ft/s | 5.8G | 300ft | 4.6s | 3s |
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Cesaroni F120 | 2.35lb | 77ft/s | 155ft/s | 12.6G | 303ft | 4.4s | 4s |
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Cesaroni F59 | 2.34lb | 53ft/s | 141ft/s | 5.8G | 305ft | 4.6s | 4s |
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AeroTech F67 | 2.30lb | 61ft/s | 161ft/s | 7.4G | 359ft | 4.8s | 4s |
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AeroTech F50 | 2.31lb | 54ft/s | 163ft/s | 6.1G | 409ft | 5.2s | 4s |
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AeroTech F52 | 2.39lb | 56ft/s | 164ft/s | 6.4G | 428ft | 5.4s | 4s |
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AeroTech F40 | 2.40lb | 50ft/s | 156ft/s | 5.4G | 460ft | 5.7s | 4s |
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Estes F50 | 2.31lb | 58ft/s | 180ft/s | 6.6G | 479ft | 5.6s | 4s |
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AeroTech G54 | 2.42lb | 57ft/s | 179ft/s | 6.5G | 488ft | 5.7s | 4s |
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Cesaroni G88 | 2.45lb | 61ft/s | 208ft/s | 9.7G | 514ft | 5.6s | 5s |
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AeroTech G104 | 2.42lb | 71ft/s | 212ft/s | 10.3G | 532ft | 5.6s | 5s |
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AeroTech G74 | 2.31lb | 61ft/s | 216ft/s | 7.7G | 547ft | 5.8s | 5s |
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AeroTech G53 | 2.44lb | 59ft/s | 191ft/s | 7.0G | 574ft | 6.1s | 4s |
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Cesaroni G80 | 2.43lb | 57ft/s | 229ft/s | 8.1G | 597ft | 6.0s | 5s |
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AeroTech G40 | 2.39lb | 51ft/s | 196ft/s | 5.9G | 641ft | 6.5s | 4s |
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Estes G40 | 2.39lb | 51ft/s | 196ft/s | 5.9G | 641ft | 6.5s | 4s |
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AeroTech G77 | 2.48lb | 54ft/s | 236ft/s | 7.0G | 644ft | 6.3s | 5s |
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AeroTech G77 | 2.39lb | 60ft/s | 246ft/s | 8.0G | 664ft | 6.3s | 5s |
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AeroTech G72 | 2.41lb | 57ft/s | 252ft/s | 8.2G | 686ft | 6.4s | 5s |
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AeroTech G79 | 2.47lb | 60ft/s | 245ft/s | 7.9G | 689ft | 6.4s | 5s |
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Cesaroni G83 | 2.44lb | 64ft/s | 249ft/s | 8.2G | 693ft | 6.4s | 5s |
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AeroTech G79 | 2.39lb | 54ft/s | 237ft/s | 6.5G | 696ft | 6.6s | 5s |
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Cesaroni G68 | 2.46lb | 53ft/s | 235ft/s | 7.4G | 696ft | 6.6s | 5s |
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Cesaroni G57 | 2.44lb | 56ft/s | 222ft/s | 7.1G | 705ft | 6.7s | 5s |
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Cesaroni G250 | 2.43lb | 106ft/s | 304ft/s | 25.3G | 714ft | 6.1s | 6s |
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AeroTech G76 | 2.44lb | 77ft/s | 243ft/s | 12.9G | 758ft | 6.5s | 5s |
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Cesaroni G126 | 2.44lb | 77ft/s | 290ft/s | 13.6G | 759ft | 6.4s | 5s |
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AeroTech G64 | 2.45lb | 66ft/s | 238ft/s | 8.9G | 781ft | 6.8s | 4s |
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AeroTech G75 | 2.41lb | 61ft/s | 261ft/s | 8.4G | 796ft | 6.8s | 5s |
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Cesaroni G131 | 2.56lb | 72ft/s | 302ft/s | 12.0G | 802ft | 6.6s | 5s |
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AeroTech G78 | 2.39lb | 62ft/s | 277ft/s | 8.4G | 811ft | 6.8s | 5s |
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AeroTech G125 | 2.39lb | 75ft/s | 318ft/s | 12.7G | 829ft | 6.6s | 6s |
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AeroTech G80 | 2.40lb | 64ft/s | 286ft/s | 8.7G | 860ft | 6.9s | 5s |
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Cesaroni G106 | 2.53lb | 64ft/s | 318ft/s | 10.7G | 891ft | 7.0s | 6s |
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KBA G135 | 2.62lb | 70ft/s | 338ft/s | 12.0G | 916ft | 7.0s | 6s |
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KBA G82 | 2.63lb | 54ft/s | 295ft/s | 6.9G | 918ft | 7.3s | 5s |
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AeroTech G75 | 2.63lb | 52ft/s | 290ft/s | 5.6G | 975ft | 7.7s | 5s |
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AeroTech H165 | 2.56lb | 87ft/s | 379ft/s | 15.5G | 1,023ft | 7.1s | 6s |
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Cesaroni G125 | 2.55lb | 77ft/s | 360ft/s | 13.3G | 1,026ft | 7.3s | 6s |
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Cesaroni G118 | 2.53lb | 73ft/s | 357ft/s | 12.9G | 1,030ft | 7.3s | 6s |
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Cesaroni H175 | 2.66lb | 87ft/s | 392ft/s | 16.9G | 1,039ft | 7.2s | 6s |
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Cesaroni H410 | 2.52lb | 139ft/s | 449ft/s | 44.7G | 1,040ft | 6.9s | 6s |
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Cesaroni H133 | 2.54lb | 79ft/s | 368ft/s | 16.0G | 1,051ft | 7.3s | 6s |
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Cesaroni H163 | 2.53lb | 86ft/s | 396ft/s | 18.3G | 1,066ft | 7.2s | 6s |
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Cesaroni G54 | 2.54lb | 67ft/s | 265ft/s | 9.7G | 1,073ft | 7.9s | 5s |
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AeroTech G138 | 2.45lb | 75ft/s | 409ft/s | 14.1G | 1,078ft | 7.3s | 6s |
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Cesaroni H90 | 2.48lb | 72ft/s | 341ft/s | 13.1G | 1,086ft | 7.6s | 6s |
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AeroTech H128 | 2.57lb | 84ft/s | 386ft/s | 14.7G | 1,090ft | 7.4s | 6s |
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AeroTech H238 | 2.55lb | 98ft/s | 413ft/s | 19.4G | 1,091ft | 7.2s | 6s |
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Cesaroni H87 | 2.57lb | 64ft/s | 336ft/s | 10.2G | 1,097ft | 7.7s | 6s |
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RATT H70 | 2.90lb | 68ft/s | 300ft/s | 9.6G | 1,107ft | 7.9s | 5s |
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Cesaroni H123 | 2.62lb | 71ft/s | 382ft/s | 11.0G | 1,115ft | 7.6s | 6s |
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Cesaroni H54 | 2.58lb | 59ft/s | 271ft/s | 7.8G | 1,124ft | 8.2s | 5s |
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AeroTech H115 | 2.57lb | 69ft/s | 376ft/s | 9.7G | 1,139ft | 7.6s | 6s |
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AeroTech H97 | 2.73lb | 62ft/s | 360ft/s | 7.9G | 1,181ft | 8.0s | 6s |
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Cesaroni H118 | 2.63lb | 76ft/s | 381ft/s | 13.5G | 1,181ft | 7.7s | 6s |
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Cesaroni H237 | 2.77lb | 99ft/s | 475ft/s | 20.8G | 1,230ft | 7.5s | 7s |
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AeroTech H220 | 2.67lb | 104ft/s | 471ft/s | 24.8G | 1,243ft | 7.5s | 7s |
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AeroTech H210 | 2.66lb | 97ft/s | 475ft/s | 20.0G | 1,264ft | 7.6s | 7s |
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Cesaroni H151 | 2.64lb | 88ft/s | 434ft/s | 16.3G | 1,275ft | 7.7s | 6s |
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Cesaroni H170 | 2.63lb | 93ft/s | 465ft/s | 19.3G | 1,318ft | 7.7s | 6s |
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AeroTech H182 | 2.58lb | 85ft/s | 487ft/s | 15.1G | 1,319ft | 7.8s | 7s |
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Cesaroni H160 | 2.72lb | 81ft/s | 463ft/s | 14.3G | 1,327ft | 7.9s | 6s |
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Cesaroni H135 | 2.67lb | 78ft/s | 434ft/s | 12.9G | 1,336ft | 8.0s | 6s |
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KBA H130 | 3.68lb | 71ft/s | 369ft/s | 12.4G | 1,341ft | 8.5s | 7s |
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AeroTech H180 | 2.67lb | 95ft/s | 486ft/s | 20.1G | 1,352ft | 7.8s | 6s |
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AeroTech H250 | 2.68lb | 111ft/s | 518ft/s | 26.0G | 1,355ft | 7.7s | 7s |
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KBA H225 | 2.82lb | 84ft/s | 525ft/s | 19.3G | 1,404ft | 8.0s | 7s |
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AeroTech H195 | 2.55lb | 104ft/s | 523ft/s | 21.4G | 1,404ft | 7.8s | 7s |
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Cesaroni H295 | 2.87lb | 110ft/s | 559ft/s | 26.5G | 1,413ft | 7.8s | 7s |
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AeroTech H135 | 2.59lb | 77ft/s | 433ft/s | 12.3G | 1,426ft | 8.2s | 6s |
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Cesaroni H194 | 2.75lb | 99ft/s | 518ft/s | 22.1G | 1,482ft | 8.0s | 7s |
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Cesaroni H180 | 2.81lb | 93ft/s | 508ft/s | 20.6G | 1,486ft | 8.1s | 7s |
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Cesaroni H200 | 2.72lb | 97ft/s | 525ft/s | 23.0G | 1,504ft | 8.0s | 7s |
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Cesaroni H53 | 2.75lb | 52ft/s | 322ft/s | 6.6G | 1,513ft | 9.5s | 5s |
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Cesaroni H399 | 2.77lb | 140ft/s | 643ft/s | 43.4G | 1,527ft | 7.9s | 7s |
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Cesaroni H340 | 2.98lb | 119ft/s | 612ft/s | 32.6G | 1,530ft | 7.9s | 7s |
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Cesaroni H255 | 2.63lb | 115ft/s | 586ft/s | 31.2G | 1,532ft | 7.9s | 7s |
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Cesaroni H140 | 2.73lb | 92ft/s | 483ft/s | 19.2G | 1,580ft | 8.4s | 6s |
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AeroTech H268 | 2.91lb | 108ft/s | 606ft/s | 24.4G | 1,656ft | 8.3s | 7s |
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Cesaroni H226 | 2.91lb | 106ft/s | 578ft/s | 26.0G | 1,657ft | 8.3s | 7s |
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Cesaroni H233 | 2.84lb | 107ft/s | 597ft/s | 25.9G | 1,684ft | 8.3s | 7s |
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Cesaroni H159 | 2.87lb | 84ft/s | 522ft/s | 13.5G | 1,688ft | 8.7s | 7s |
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Cesaroni H255 | 2.82lb | 112ft/s | 624ft/s | 31.9G | 1,695ft | 8.2s | 7s |
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Cesaroni H160 | 2.82lb | 103ft/s | 529ft/s | 24.2G | 1,751ft | 8.6s | 6s |
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AeroTech I200 | 2.91lb | 101ft/s | 571ft/s | 22.5G | 1,754ft | 8.5s | 7s |
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Cesaroni I204 | 2.89lb | 106ft/s | 599ft/s | 26.8G | 1,830ft | 8.6s | 7s |
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AeroTech I205 | 2.81lb | 100ft/s | 611ft/s | 28.1G | 1,834ft | 8.5s | 7s |
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Cesaroni I224 | 2.93lb | 118ft/s | 651ft/s | 32.2G | 1,938ft | 8.7s | 7s |
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Cesaroni I243 | 3.00lb | 114ft/s | 642ft/s | 31.7G | 1,941ft | 8.7s | 7s |
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RATT I80 | 3.34lb | 54ft/s | 408ft/s | 7.1G | 1,995ft | 10.5s | 6s |
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Estes G80 | 2.40lb | 7:1 thrust/weight ratio (no data) |
D No simulation data found for this motor.
Don't like the units? Login to set your preferences. Don't understand the results? See the motor guide help page.
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 | |
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Estes E16 | speed at end of launch guide too slow (23ft/s) |
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AeroTech E23 | speed at end of launch guide too slow (35ft/s) |
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AeroTech E16 | speed at end of launch guide too slow (28ft/s) |
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AeroTech F23 | speed at end of launch guide too slow (38ft/s) |
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Cesaroni F36 | speed at end of launch guide too slow (38ft/s) |
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AeroTech F27 | speed at end of launch guide too slow (36ft/s) |
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Estes F15 | speed at end of launch guide too slow (19ft/s) |
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AeroTech F37 | speed at end of launch guide too slow (39ft/s) |
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Cesaroni F36 | speed at end of launch guide too slow (39ft/s) |
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AeroTech F20 | speed at end of launch guide too slow (40ft/s) |
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Cesaroni F32 | speed at end of launch guide too slow (34ft/s) |
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Cesaroni F29 | speed at end of launch guide too slow (33ft/s) |
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Cesaroni F31 | speed at end of launch guide too slow (36ft/s) |
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Estes F26 | average thrust fails 5:1 thrust/weight ratio (3:1) |
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AeroTech F26 | speed at end of launch guide too slow (34ft/s) |
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AeroTech F22 | speed at end of launch guide too slow (30ft/s) |
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Apogee F10 | speed at end of launch guide too slow (24ft/s) |
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AeroTech F25 | speed at end of launch guide too slow (46ft/s) |
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AeroTech G38 | speed at end of launch guide too slow (43ft/s) |
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AeroTech G25 | speed at end of launch guide too slow (37ft/s) |
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AeroTech G8 | average thrust fails 5:1 thrust/weight ratio (1:1) |
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AeroTech G11 | speed at end of launch guide too slow (25ft/s) |
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AeroTech G12 | speed at end of launch guide too slow (26ft/s) |
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Cesaroni G33 | speed at end of launch guide too slow (35ft/s) |
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Cesaroni H42 | 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.)
5 The 5:1 thrust-to-weight ratio check is a useful rule of thumb, but it does break down for motors with unusual thrust curves. For example, motors with a high initial thrust and a long tail-off may fail this test but still be safe for use.
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.
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  |
Download full details of the simulation runs with the various motors:
that worked, that failed, or all of them. |
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  | 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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