through the closure thickness. The hole gets filled with grease and the
sensor screwed in.
-The first example is a 98mm snap-ring clossure, with the
+The first example is a 98mm snap-ring closure, with the
sensor and electronics mounted off-center so a 3/8" all-thread could be used
in the center for motor retention in a minimum-diameter-ish airframe. The
mounting bracket for the electronics was bent from a bit of 1/16" aluminum