Merlins and Allisons used to power the Hydroplanes.
They took on a whole new sound on the water.
They also added a dimension to Hydroplane racing that no longer exists.
In the pits, crews Like the Budweiser and Atlas Van Lines would be sharing spare turbos and other engine parts in a display good sportsmanship. Engine repair and maintenance were part of the game.
Now instead of hustling for spare parts they just drop in spare turbine engines.