On Tuesday, August 18, 2020 at 10:26:51 PM UTC-4, Eric Greenwell wrote:
... The original mechanical mast switch, external to the mast, was deemed
too vulnerable to damage after Kawa's accident with the prototype glider.
It was replaced with two redundant, buried solid state switches
to prevent a repeat of the problem.

Um, you might want to review my discussion of limit switch problems he
https://www.youtube.com/watch?v=R--m0NDR0j8&t=6s