gt....dropped you a pm on this
ordered up a new prop as getting hold of a second hand one for sale is a long process
spoke with steel developments and they advised the mirage range and solas titan are the best suited for a rib with good alround performance.
so ordered up a new prop with a good bit larger diameter and a 21 pitch, am told it will give better acceleration, better midrange cruising, better economy, less slip, better grip, better top end potentially and has progressive pitch etc etc
so will water test it at the weekend to see if i can feel the difference. when buying the engine it was so difficult to get good advice as mercury do so many different props....but if you are thinking of a new prop or new engine and want advice on a prop then give them a call. very helpful i must say.
all arrived today and fitted so just waiting for the water test now, fingers crossed