herb-ditto.com
Herb Ditto - The World's Only Smoke-Ring Acrobatics - HomeTwo twisting wing-tip smoke tails spontaneously form into smoke-rings, providing entertaining aerial targets for Herb. His close-in aggressive aerobatic demonstration at speeds up to 350 mph safely push the T-28 beyond that ever seen before. Air show spectators prefer Warbird performances. Ditto’s distinctive, rumbling Harley of the Air noise, huge 1425 horsepower engine and 350 mph speed are only part of her performance.
http://www.herb-ditto.com/