1. It has a large diameter >3.55 m, is low speed using a directly connected shaft mounted permanent magnet alternator with electronic power regulation and is very fish friendly (<5% mortality).

2. Opportunely realised, the engine heats the air in a natural way without polluting, through the adiabatic compression effect; the air is piped in a flexible tube supplied with terminals with three different power regulation, which allow to dry quickly the dog.