Extreme Flight 125" EXTRA 300 Assembly Manual page 10

17. There are 2 additional plywood trays included to accommodate various pull-pull set-
ups. One tray allows the use of up to 3 standard size high torque servos ganged together.
The additional hardware required for this set-up is not included in this kit. Also included
is a tray to allow the use of a single Seiko industrial grade servo. These trays are tabbed to
glue into fuselage under the canopy.