Wing42 | Support Forum

This is quite interesting mechanism, so I decided to describe it in details in the separate thread.
Ok, so first picture shows something that I didn't pay attention to. Please notice 10 vertical metal bars
attached to fuselage, they mark horizontal stabilizer movement area. It moves together with fairings that attached to it.
There is a little space between fuselage and this fairing. Rotation axis is located near the elevator hinges.
So let's remove these fairings and look what's inside (thanks to Caroline):
All pictures by famous John Oder. His webpage www.aeromuseumservices.com is not available anymore, so I decided to post these pictures here to save this information for others.

Elevator in neutral position:
Elevator in Full Nose UP position:

Rack and pinion type gear which moves front section of stabilizer up and down:
Gearbox in the rear section of fuselage with control rod:

Gear box with the crank located in the cockpit (Lockheed Orion). Attached by 4 crown nuts, secured with cotters.
This mechanism used in Vega is now called Trimmable Horizontal Stabilizer (THS) and was used on many modern airliner's designs, including Boeing 777 and Embraer ERJ.

Video showing it's operation in Boeing is available here:

That's a great find! I didn't see those close-up pictures of the elevator trim before. But I am glad I got this part right in the add-on

I guess the only inaccuracy is the missing torque-shaft. Dang.... I really liked the animated cables in the current version