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  1. G

    Accelerometer-only Apogee Loggers

    Hello! I'm currently making a bluetooth apogee/gforce logger using 2 accelerometers(1 watchdog in 16g mode, 1 high-accuracy that varies between 2-16g mode) and 1 gyroscope. I'm curious as to if there are any other apogee loggers which use only accelerometers, and if their accuracy is as good as...
  2. E

    Chute Release and CO2 cartrige

    Hi everyone. I'm building a high power model rocket. And i am planning to use 12gr co2 cartrige for recovery seperation. This co2 will seperate two boddies and both my parachutes will leave the body at the same time. Because of that i need to keep my main parachute as folded. For this job i made...