A True cruck consists of a pair of timbers (BLADES) straight or curved, serving as the principals of a roof, and stretching to a point at or close to the apex of the roof from a level well down the side walls. For varieties of cruck, see below
see also Blade
Subsidiary terms
f) Cruck stud g) Wall plate h) Packing piece i) Ridge piece j) Collar k*) Spur l) Cruck blade m) Sill beam
A) Base cruck B) Spere truss C) Secondary truss D) Raised cruck E) Upper cruck
a) Wall plate b) Cusp c) Cusped windbrace d) Ridge piece (ridge purlin) e) Principal rafter f*) Plate g) Purlin h) Cranked tiebeam l) Ceiling beam
A) Base cruck F) Two-tier cruck
f*) Plate i) Upper tiebeam j) Lower tiebeam k) Common rafter m) Joggled halving n) Barefaced dovetail p) Spur