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.
This is the biggest wave ever known to man. The cause of the tsunami is different to the normal way of an earthquake under the sea, nevertheless, the resulting tidal wave is still classed as a tsunami as it was created by an initial earthquake. In fact, experts had to reasses the causes of tsunamis to inlcude landslides.