A Radial engine was used on old bi-planes - many (round)cylinders around one shaft - Rotary engines have a triangle type piston - not round. Instead of going up & down ,they move in a somewhat triangle circle.
The largest tsunami on record strucky Lituya Bay in a  remote portion of Alaska in 1958. It was overâ¦ 1,700 feet tall. The  meteor impact associated with the extinction of the dinosaurs is  believed to have generated a tsunami 3,000 feet to 1 mile tall.
Massive sea surges triggered by an earthquake under the Indian Ocean have killed over 10,000 people in southern Asia, with many more feared dead. An 8.9 magnitude earthquake under the sea near Aceh, north Indonesia, at 0759 local time (0059 GMT) generated the biggest tsunami the world has seen for at least 40 years. The wall of water fanned out across the Indian Ocean at high speed and slammed into coastal areas with little or no warning.