A longbow's a type of bow that's tall (roughly equal to the height of a person who uses it); this will allow its user a fairly long draw, at least to the jaw (the average length of the Mary Rose arrowshafts's 75 cm (30 inches)). A longbow isn't significantly recurved. Its limbs are relatively narrow so that they're circular or D-shaped in cross section. Flatbows can be just as long; the difference's that, in cross-section, a flatbow has limbs that're approximately rectangular. Organizations whi… (More on Longbow)