From four spar caps, the front and rear spars were constructed. In the space between the upper and lower caps are the webs and pillars that connect the two. The pillars in particular deserve closer attention: they serve to transfer loads, for example from the undercarriage, and may at first glance look like simple wooden blocks. In fact, they are made from cross-laminated spruce boards. The grain direction was also critical in the webs: it had to run vertically there, while t

Who still remembers the blanks for the spar caps? Most of those massive wooden pieces have now turned into shavings – and from twelve...

Unfortunately, the original aircraft drawings contain no information regarding the attachment points for the pilot harness. Suitable...

Just as with the nose cone, the  Arbalète  has now received its tail cone made from composite. The original construction relied on...

To achieve the highest possible precision during wing construction, the assembly is carried out using a specialised jig. This structure...

How do raw spar blanks gain their final shape – with all the edges, curved surfaces, angled planes and tapered scarf joints? How do raw...