Frame in Cruck
Cruck in English language indicates a principal rafter of only one part which goes down from the ridge sheathing until proximity of the base of the walls. This piece of wood, generally in oak, presents a profile curve.
It is a very simple technique of carpentry, based on the principle of the firm on the ground not triangulated , i.e. in which all the Entrait S are absent.
The summit assembly is simply ensured by a small transverse part, placed very high, called yoke .
The bases of the large principal rafters, whose couples vary from two to six, according to the length of the covered building, either are drowned in masonry, or resting against stone dice taken in the walls or visible sometimes outside, in overflow of the walls.
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