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Need some serious help - Luke Chinewalker has boarded my Sunsation

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Old 05-01-2002, 01:39 PM
  #21
kook
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Quote:
Originally posted by audacity

yes cg is something to look at....BUT look also at the cf in which the delta pad and drive have everything to do with....cg can be a bandaid for a incorrect or less than ideal cf....

joey
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What's "cf" - center fulcrum????

We are entertaining the idea of taking the hook out of the boat, but this is a lot more expensive (for me) than playing around with drive height and props.
 
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Old 05-01-2002, 01:59 PM
  #22
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very close grasshopper!!!!LOL

center of force..
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Old 05-01-2002, 07:12 PM
  #23
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I hope the Force is with us, centered, eccentric, whatever
 
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Old 05-01-2002, 09:14 PM
  #24
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kook,

after looking at your post this is what i think you should do. you can have your propellor sent out and labed so it will reduce the transom lift. that should cure most of your problem. you also might want to try another propellar counter rotating.

also it's great that you want to do worst case cenario but trim were put on the boat for use. you need them to level out the boat. if you learn how to use them properley you can even increase your speed with them. thats about it.

Treadwell
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Old 05-02-2002, 02:16 AM
  #25
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Go back to last year and do one change at a time.

Go back to the drive height and prop you used last year and with the new engine see where you're at. Then make a change one step at a time. You changed the drive and motor and now you're lost. With your old setup I would go up 4" on the prop.
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Old 05-02-2002, 02:18 AM
  #26
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Oh yea, The faster you go with more HP the more boat lift out of the water you get and the less you need to raise the X.
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Old 05-02-2002, 12:28 PM
  #27
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My exprience with boats is that you remove the hook in the bottom for more speed, doesn't mean that you will more stability. Can't understand what you are trying to accomplish with this boat. They are made to play in rough water, if you wanted a lake rocket, shouldn't a cat be the way to go?
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Old 05-02-2002, 02:45 PM
  #28
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Quote:
Originally posted by tmager
My exprience with boats is that you remove the hook in the bottom for more speed, doesn't mean that you will more stability. Can't understand what you are trying to accomplish with this boat. They are made to play in rough water, if you wanted a lake rocket, shouldn't a cat be the way to go?
Conditions where I'm at may only be a 1' chop during the still, humid days of summer. We're looking at it this way - if it's manageable in flat water, it should be manageable in 2' chop. Also, the only water out where Bruce is located is FLAT.

The notion about removing the hook comes from the following thought process (please feel free to comment on): While the hook help to get the boat out of the water at typical design speeds (up to 45-78 mph), when you start chine walking, the hook "hooks" back at the transom enough to rotate the direction of the bow a slight amount - so now, the bow is not pointed exactly in direction in the path of travel. The hook would also exacerbate (sp?) the reactive force on the hull when the chine hits the water. Other than the associated cost of removing the hook (approx $1200), what harm can it do? Porpoising? If so, can't this be cured with a bit of tab down? The boat's got some good sized tabs (280S) for it's size.

Feedback/comments welcome.
 
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Old 05-02-2002, 03:05 PM
  #29
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dude...u have and will open a can of worms....remove the hook...remove some of the DP and them buy some arneson tabs...ask Tread for the details!
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Old 05-02-2002, 04:18 PM
  #30
turbo2256
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Thats what I want to do running to hardware store for some hook remover... think a quart can will do
 
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