I used seven-inch singles on the original wooden mock-up to provide an outline for the rotors for the benefit of the graphic artist. Bought from a charity shop they fulfil every need, feeding the starving in Africa whilst being altogether cheaper (and more easily obtained) than the real thing. As I have enlarged the scope of the rotors, for the next static model I require 12-inch vinyl and head to the British Heart Foundation for my quad-set. Pretty much appearing as from the rack, I select the D'Oyly Carte, the cellist Lloyd Webber and a Vivaldi. I reject a Rimsky Korsakov in favour of 16 Great Hits from '72 lest my quad-copter forget its roots.
