3 ms·
Same in Italy. Both sea and lakes.
by riffraff 3y ago
Same in Italy. Both sea and lakes.
- KWxIUElW8Xt0tD9 3y agoI recall a hydrofoil on Lake Garda -- obviously lots of power required -- it was much louder than the normal ferries on that lake.
- nine_k 3y agoSome hydrofoil ships are powered by turbines, which produce a high-pitch whine, much more noticeable at a distance than the low-frequency rumbling of a diesel.