ZNLine Factory Enigma Build by Mark Novack

One of the first things we did was to simply install out wheel pant reinforcement. We will use the MK wheel mounting system and a pair of MK 55mm light weight wheels. This is the easiest and cleanest wheel pant system we have found for these airplanes.

At this stage, I shall install the servo boxes for the ailerons. We have these boxes specially made for us with a variety of dimensions for various servos. In this case we are using boxes for both the Futaba S9150 wing mount and the new S9550 servo.
The 9150 boxes fit right into there pre-routed mounting holes after rounding the corners. The 9550 boxes need a 1.5 mm balsa skinning for a tight fit. Cutting the holes a little bit oversized allows the individual builder a wide variety of easy servo choices by simply scabbing the boxes. The next following few photos are the two boxes and being mounted. We also use these boxes on our giant scale airplanes and have never had one pull out.

Side of the box.

Notice the deeper set rails and the balsa scabbing along the ply sides. Each side is scabbed with 1.5 mm and the ends are scabbed with 1 mm for a perfect, tight fit. Again, we are using 24 hour epoxy. The German made epoxy soaks deeply into the wood give the bond great depth. It took me only about one hour to get all 10 boxes seated and glued into the five wings. After they dried, I sanded them perfectly flush with the wing. They can also be marked and sanded to match the curvature of the wing before they are glued in. I will probably use the second method, mark and sand, in the future as it takes lots of care to not touch the sheeting when sanding it after installation.

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