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The displacement hull boat type needs a lower pitch, higher blade area and lower revving prop than a planing hull type. In all the prior communications of the two post responses, I have not got the impression that you have taken in that a displacement hull boat or yacht type needs a very different propeller than a planing hull boat type. If I have missed something in coming to this conclusion please advise. With great respect this is very disingenuous and not an act of good faith on your part. And now you are going to task another company with the work, they presumably acting on the advice you have gleaned from Austral and which you have passed on to them.
#YANMAR 8 HP PROFESSIONAL#
So as far as I can determine from this post having 10 responses, and your prior post on the exact same topic but with a different subject title having 41 responses, you have gained a written quotation including propeller details and associated advice from Austral Propellers after they were good enough to take on board your enquiry in good faith, and they actioned their extensive professional assessments and responses. As soon as I get some suggestions based on testimonies I will pay a diver to remove the old propeller and jump to peakhurst to get a new propeller and once the new prop is on bost is going to be antifuled and prop speed will be applied and that eill definitely make a difference ( current max speed is 4 knots and lot of vibrations under high revs) Please see photo of the old propeller Thanks I do believe to Austral engineers but they also told me that Max hull speed of my boat is 6.5 knots but I have achieved 9 knots (17 km/h speed of ground) with my boat sailing under high speed wind around the Shark Island in Sydney harbour. Before I spend 1200 bucks at Austral maybe you can give me some advice based on your experience of yours so I can buy a different size propeller and achieve better speed for the same money. Should I get a bigger pitch? What do you guys recommending? I don't mind to overpitch a bit as long I can achieve a bit better speed.
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#YANMAR 8 HP FULL#
Did anybody changed a propeller on the same engine to get 7 knots (max full speed). Been recommended to get a 15.5 x 12 by Austral. The old one is out of balance and it's a wrong size. Hello brothers, Need a new propeller for my Tasman 26.
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