Stage 28: The Truss. Stage 28 Contains: 2x Hydraulic actuator rods, 2x Actuator rod hinges, 2x Barrel hinges, 2x hydraulic actuator barrels, 3x KM screws, £x Grey FM screws, 3x Black FM screws, 3x FP screws.
It is worth noting that these parts are very small, so you might find magnifying lenses come in VERY handy with this Stage! I would also leave the parts in the packaging tray until needed.
Firstly, we need to attach the two hydraulic actuator barrel hinges to the fuselage frame. They have a notch on the rear to stop them rotating when you screw them in place, which is done using two of the black FM screws.
To build up the actuators, you will need to be aware that the screws need to face away from each other. This is so that they don't interfere with the parachute housing fitted later.
Assemble the actuators by pushing the actuator rod into the barrel. To attach the hinge, start the screw in the hole, push the eyelet of the actuator rod into place, and screw home. Assemble the second actuator the same way, remembering to fit the screw from the opposite direction.
At the bottom of the hinge is a small locating pin. Taking one of the actuators with the screw on the outside, sit this pin into the indent in the airbrake upper panel, and screw in place using the grey FM screws.
To attach the actuator barrels in place, pre-screw a KM screw through the hinge to cut the threads, then back it out till the barrel sits in the hinge. Tighten the crew, and repeat for the opposite side.
This completes Stage 28. Store any unused or leftover parts in a stage-labelled bag for future use.
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