Charlie, I really didn't have A clue as to what it is called until you asked the question and gave me the name.
Chuck, it didn't have any servos in it when I got it, I had to stare at it and move things around for A while before I figured out what that second servo did. I'm sure if anyone else was around at that moment they would have seen the light bulb come on in my head.
A sliding tray, good lord, I would have just rather come in on A longer approach and hot!!
V-Tail before computers, not me!!