Too all, there have been many discussion on the characteristics of how well the Indigo 3 blade works for the direct drive model however at this time I would like the reduction guys to chime in if they can. I have been working a bit with a friend on his Cat 36 with a 2:1 23HP diesel engine. He is now on his second prop from Campbell Porps an outfit in Canada. The prop has most of the same features as the Indigo ie the thicker leading edge for a much more efficient low RPM bite against the water. It also is a very narrow blade as the Indigo and relies on efficiency instead of blade area. While trying the prop I noticed that it has very good control in both directions and is considerably quieter in the water. We are working on getting 300 more RPM on a redo by reducing the pitch slightly and reducing the diameter as well. His boat has never moved as fast as it has with the Campbell and this is the fifth prop he has tried to date, including Martec, Vari Pitch, Michigan ~~etc. There is also very little tubbulance felt through the rudder as with the Indigo. The prop itself looks more like an airplane propeller as the blades are very narrow producing very little drag while sailing which is a big light air advantage.
Have any of you with the reduction set-ups had any experience with the Campbell Sailor prop. My thoughts are that if one gets worked out it should be fine for most any other A-4 with the reduction drive. The Cat 36 that we are playing with is about the same size as my boat and he is getting all of the same advantages I do with my Indigo which is one of the reasons he went to the Campbell after my bragging about how well the Indigo worked out for me.
Anyone?
Dave Neptune
Have any of you with the reduction set-ups had any experience with the Campbell Sailor prop. My thoughts are that if one gets worked out it should be fine for most any other A-4 with the reduction drive. The Cat 36 that we are playing with is about the same size as my boat and he is getting all of the same advantages I do with my Indigo which is one of the reasons he went to the Campbell after my bragging about how well the Indigo worked out for me.
Anyone?
Dave Neptune
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