Cruck with feet resting on a first floor ceiling beam (not a tiebeam)
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