85 with the martec, not sure of exact speed, but I have not had issues going into anything under about 18 knts. Seems like I get hull speed, which is about 6 at around 3000 rpm. Never really checked. I do have a two blade as a back-up, original with the boat.
--- In [email protected], "The Emmerichs" <johnemmer...@...> wrote: > > Tony, > > > > I have a Martec folding prop, get something over 6 at 2800 RPM. We were > heading into 15 to 20 MPH winds yesterday and still getting over 3. Have > you inspected it recently like this past winter if you hauled the boat. I > don't know where you are or how long you can hold your breath. It may be > worth going for a swim to check if the blades are fully extending. > > > > As far as changing to a fixed, I second the post suggesting you call a > manufacturer and get their advice. > > > > John Emmerich > > C27TR Louisville, KY > > > > From: [email protected] [mailto:[email protected]] On Behalf Of Tony > Sent: Friday, July 24, 2009 11:25 PM > To: [email protected] > Subject: [IC27A] Cat 27 Folding prop > > > > > > I have a 1983 Catalina 27 with a folding prop and I can only get about 5 > knots in no wind and less than 1 with a 14+ wind. The engine runs great, 11 > hp univeral 5411. > > Has anyone changed the prop from folding to non-folding? What type and brand > should I buy? (2 blade? 3 blade? What pitch? HELP!!! > > Thanks, Tony > > > > > > [Non-text portions of this message have been removed] >
