Hi to all
I own an Espace 625 (OCQUETEAU - french brand- fishing ship 6.25 meter - 1.3 ton) with a 78 hp inboard engine (TMD 22 A year 1996). This one should reach 4100 to 4400 rpm w clean hull for 18 to 20kts.
The fact is 12kts looks like my top speed. The prop is a for blades 16x15. The...