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1. rozzin cmhobbs

   @cmhobbs, alkaline 9V in the launch controller failed to push enough current through the igniter wire to heat it up and ignite the BP motor.

   Sunday, 28-Feb-16 16:36:48 UTC from status.hackerposse.com
   • rozzin cmhobbs

     @cmhobbs, IIRC it was ~55°F for the Grav-Mass launch (unusually warm!), and the only successful…

     Sunday, 28-Feb-16 18:44:35 UTC
   • rozzin cmhobbs

     @cmhobbs, "smoke alarm battery", by comparison, gave reliable ignition even below 40°F: https:/…

     Sunday, 28-Feb-16 19:03:46 UTC
   • rozzin Grav-mass

     ... so, I guess this past !gravmass ended up teaching us a little about chemistry in addition to physics ☺

     Sunday, 28-Feb-16 19:36:12 UTC