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Originally Posted by frickstyle
(Post 4583829)
It actually does really well cruising with the 32s, and hence why I want to run them as opposed to the 30s.
I can't remember exactly what it does at 3500, I would say 65-67mph from memory and comparing to my upper end number? Seems about right. Moxy |
Originally Posted by F-2 Speedy
(Post 4583831)
put those in a twin step and go have some fun.....she'd be a rocket
Moxy |
where do you boat ^^^^^^
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St Lawrence River and Lake Ontario, 1000 Islands :ernaehrung004:
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fryckstyle not sure how you get on plane but I`ve found my boat doesn`t like a lot of tab.. 2-3 more than that the boat loses speed, prop slip goes up.. planing is over.
Once I find where a particular prop will plane I don`t waste anytime under that RPM. The props I lost had a lot of cup and I could get on plane at 3500 easily My current ones don`t have nearly as much cup (same diameter) and require 4300 . Under that and I`m just burning holes in water .. |
Also depends on whether you are in fresh or salt water, i had a set on my tiger that would pop up quick in the lower bay, but the further north and the fresher the water it struggled a bit to get up on plane...
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Originally Posted by ICDEDPPL
(Post 4584046)
fryckstyle not sure how you get on plane but I`ve found my boat doesn`t like a lot of tab.. 2-3 more than that the boat loses speed, prop slip goes up.. planing is over.
Once I find where a particular prop will plane I don`t waste anytime under that RPM. The props I lost had a lot of cup and I could get on plane at 3500 easily My current ones don`t have nearly as much cup (same diameter) and require 4300 . Under that and I`m just burning holes in water .. |
Originally Posted by ICDEDPPL
(Post 4584046)
fryckstyle not sure how you get on plane but I`ve found my boat doesn`t like a lot of tab.. 2-3 more than that the boat loses speed, prop slip goes up.. planing is over.
Once I find where a particular prop will plane I don`t waste anytime under that RPM. The props I lost had a lot of cup and I could get on plane at 3500 easily My current ones don`t have nearly as much cup (same diameter) and require 4300 . Under that and I`m just burning holes in water .. I've experimented with, and purchased: 30pitch props - stock as far as I can tell 32pitch props - stock as far as I can tell 32pitch props - sent to bblades to add "cup" All merc 18" 4 blades (some measure 17.75", but sold to me as 18" props) The 30s seems most usable, with the 32s showing a faster cruise and more efficiency. The 30s feel to accelerate faster. Boat comes out of the water pretty easy too. (meaning getting airtime, still hesitates getting on plane) |
Originally Posted by frickstyle
(Post 4584471)
I tried everything, not much change in tab position with the 32s. I get what you're saying, I just think it's too heavy for such a high drive setting. I really want 1" spacers, but have a pair of 2" spacers sitting in the box. Will probably install over the winter and try it out this Spring.
I've experimented with, and purchased: 30pitch props - stock as far as I can tell 32pitch props - stock as far as I can tell 32pitch props - sent to bblades to add "cup" All merc 18" 4 blades (some measure 17.75", but sold to me as 18" props) The 30s seems most usable, with the 32s showing a faster cruise and more efficiency. The 30s feel to accelerate faster. Boat comes out of the water pretty easy too. (meaning getting airtime, still hesitates getting on plane) |
Dan, do you have any 29 pitch 18" dia 4 blade props? From playing around with the prop slip calculator, I think my drives are 1.4:1.
Anyone think 1.4:1 is causing slight planing issues? |
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