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.
Possibly the most dangerous tsunami occurred in Alaska, in which the highest known tsunami was recorded. Lituya Bay is a large inlet on the coast of Alaska.sunamis are not just large ocean waves. Unlike a regular wave, which washes in and out in a few seconds, a tsunami wave is a surge of water that keeps coming in for as much a â¦ s 15 minutes. People caught in the wave can be swept away and drowned or pummeled by debris.