MikeStewart
Well-Known Member
- Joined
- Oct 20, 2018
- Messages
- 97
Apparently, you never want a gap between ski and strut?
If you plan on heat racing this boat, adding weight to the bait box maybe a band aid that can be removed or added in increments.(wow big word, surprised myself.)If you look close it is STABBING the front end.. that in turn pops the back up and unloads the prop.
Have bin bouncing this off my bud and we think it is that the end of the planing surface is to far forward of the CG.
I will build a new set of sponsons to test the next time out.
Adding weight to the bait box may help but this is just a band aid for the problem if it works.
Think of a see saw to much weight on one side and it plants it self.
Remember the pivot is the end of front planing surface.
Do not want to make the boat any heaver if any thing want it lighter.
Can not move the motor any more with out messing up the cowl.
Will move the tank as far back as I can to start.
It is funny the smaller lighter boats are less pron to this.
I am too deep into it to quit now.........I will figure this boat out to heat race............
So all you JAE Gurus what do you think???????
I have a 3 blade 23 deg rake prop to test some more. will see what it dose.Dave
Have you tried props with much less lift. Maybe try some with a lot of rake to hold onto the water longer. Maybe Eric and you have tried that but just a suggestion.
Bill Hoch
I will try the weight in the box to start. easy to do and no effort involve in a rebuild.If you plan on heat racing this boat, adding weight to the bait box maybe a band aid that can be removed or added in increments.(wow big word, surprised myself.)
65/35 so 65% to the prop and 35% from the back of the ride surface?Check the CG in relation to the afterplane. From what I remember it was supposed to be about 65/35. Then check the turn fin trailing edge.
Yes that's the way we set them up. The next thing you may check is the CG dry and the CG wet and put the trailing edge of the turn fin in the middle of the 265/35 so 65% to the prop and 35% from the back of the ride surface?
There is 34.5" from ride surface to prop.
It has the same AOA I just moved the surface back 3 "making the after plane 31.5"from 34.5"Decreasing the after plane?
How wide and what is the AOA?
What are you referring to when you say "blow out"The change in after plane is monumental
I think one of the problems with ski boats is there is no blow out.
My 21 ski boat has 1/4 blow out
Rocker in the bottom at the back of the tub.What are you referring to when you say "blow out"
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