Trailing edge wedge

Fig. 34. Flight control surfaces with trailing edge wedges. Reproduced by permission of the Boeing Company.

Composite trailing edge wedges and stiffened panels are quite similar to their metal-bond counterparts and are used in many of the same applications (Fig. 40). Composite stiffened panels have an advantage over metallic bonded panels in that multiple core bays can easily be incorporated in one assembly (Fig. 41). 

Figure 93 Schematic of the Boeing bonded sparless trailing edge wedge. (Copyright ...

However, the sparless trailing edge wedge also gave problems on manufacture and was difficult to maintatn. Thus, the design shown in Fig. 94 has now been adopted, the forward honeycomb sandwich being replaced by a simple extrusion which is bonded into place. 

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