Aye, fair enough when you could drive a tractor through there (as I nearly said in drafting a reply to killthemessenger's block shape question that I didn't actually post)...Reyburnwhistles wrote:Peter, my comment is in reference to the airway of a Clark which is fairly open and produces a full, less focused tone.
So, in reply to ktm ('how the Clark whistle's block is shaped'), flat top, flat (but sloping) front face and you could park a tractor under the shed (oops, windway) roof!