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  1. jderimig replied to the thread You’re Likely to Get the Coronavirus.

    And you are likely not even to know you were infected with it. The majority of infected people have quite mild symptoms...

    Feb 27, 2020 at 7:51 PM
  2. jderimig replied to the thread Revision to Tripoli Rule Regarding Wireless Remote Switches.

    An altimeter has one prime job, to detect launch, fire the charges and deploy the recovery system. Around launch detection an altimeter...

    Feb 27, 2020 at 6:52 PM
  3. jderimig replied to the thread Revision to Tripoli Rule Regarding Wireless Remote Switches.

    IMHO the manufacturers should not define what inhibit should mean, that should come from the writers of the NFPA1127 rule to understand...

    Feb 26, 2020 at 9:46 PM
  4. jderimig replied to the thread Most Accurate Way to Measure Velocity: Accelerometer vs Barometer vs ?.

    Your thinking is NOT flawed but your 'mission' may not require that much complexity. As MikeC posted, the cos(theta) error in...

    Feb 25, 2020 at 9:14 PM
  5. jderimig replied to the thread Most Accurate Way to Measure Velocity: Accelerometer vs Barometer vs ?.

    The horizontal axes of the accelerometer are useless once the rocket is flying because there is no longer a gravity reference. Only a...

    Feb 25, 2020 at 6:59 PM
  6. jderimig replied to the thread New Version of the Free RASAero II Software Released.

    All you are going to get is the overall shape. You will need to add the weight and cg manually. And as Mikec said, you can only import...

    Feb 22, 2020 at 9:55 PM
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