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.
The tallest (recorded) tsunami was the Lituya bay(Alaska, USA) mega-tsunami in 1958, with a wave run-up of 524 m. It was a local tsunami generated by an earthquake that sent a lot of rock and ice falling into a narrow inlet of the bay. 1. Other mega-tsunamis - Megatsunami.