If I'm not mistaken that horn-looking part on the side is an old Venturi style vacuum source for instruments. Nowadays there's a dry air pump on the engine itself that provides vacuum for the gyros.
If I'm not mistaken that horn-looking part on the side is an old Venturi style vacuum source for instruments. Nowadays there's a dry air pump on the engine itself that provides vacuum for the gyros.
If I'm not mistaken that horn-looking part on the side is an old Venturi style vacuum source for instruments. Nowadays there's a dry air pump on the engine itself that provides vacuum for the gyros.