The following text was first published on www.pitufa.at

»Pitufa’s previous owner was German, so she came with many gadgets ‘made in Germany’. One of those is our shaft seal: a ProfiSeal, based on the design of drip-less face seals. Instead of a flimsy rubber harmonica (like on the PSS), it features a solid metal housing that is flange-mounted to the stern tube. Inside the housing, a rotary unit (fixed to the shaft) consists of a massive stainless steel spring and a graphite ring, which is pressed against the forward end of the housing where a stainless-steel ring sits. Continue reading „ProfiSeal Drip-Less Shaft Seal–Long-Term Test“ →