A BIG PROBLEM not planning
#11
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This is the boat that I am thinking of. Fountain used to manufacture it. It was then contracted to another builder who still builds it in Mississippi.
I have one of the props in the shop they are currently running and we are working with them now to manufacture propellers for this boat. It will be a few months before we have the prototype finished and then we will begin testing on the boat.
I have one of the props in the shop they are currently running and we are working with them now to manufacture propellers for this boat. It will be a few months before we have the prototype finished and then we will begin testing on the boat.
#13
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#14
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By going from 3A's to 4's, you raised the propshaft height about 3inches. I think you'd be luck to get on plane with 6 blades, that propshaft height and that much weight. Not to mention, your propslip will probably be very high.
#15
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Do anybody have a good guess what will happend if i try 17,5x28 4-blade cleavers i can get them pretty cheap.
#16
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#17
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Markku you know the 4,s are alot shorter then the 3,s. did you mount the gimbles in the same hole ? My 30 super was hard to plane off. I had MRD make a custom cavitation plate for the drive and that took plaining rpm down to 3500 then added a dolphin ,looks kind of funny but the rpm is under 3000 to get it on plane . My boats for sale in the superboat forum maybe a picture will help you see what it looks like. check it out. Griffs rite on the money. You need more blades very pricey. I bet 2 inch spacers would help greatly. They can be had fairly cheap.
Last edited by z.zuperboat; 07-06-2007 at 12:30 PM.
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#19
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spacers, 4 bld's, and a cavplate similiar to the one used with imco shorties just designed for the 4 will work well. i had a similiar issue when rerigging an old sonic from 3's to 4's.