Check Stall Opening for Obstacles

A vacuum is developed of the leading edge of the wing when the wing stalls. A reed switch inside vibrates when this happens to warn the pilot that a stalling condition exists.

.

A small vacuum is placed over this opening. I stick my finger in there first to ensure there are no bugs inside. A friend of mine almost swallowed a bug testing this stall opening. :-|

To Check Overflow Opening

To Remove Tie down