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 deadliest tsunami 2004 caused by a 9.0 magnitude earthquake, killing more than 250,000 people in a single day is the most devastating tsunami in modern times, traveled 375 miles (600 km) in a mere 75 min.