Conventional V-bottom hydronamics question..........
#81
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What are the thoughts on how I high I an go with lower units with the notched transom. Will their be adequate water pressure for motors if I raise loweres so bullets are in line with notched transom?? And I know I will lose a lot of bow lift, I guess all trial an error
And the reason I ask , the transom was set up for 30" centers.......I was thinking I may be able to go with 25"s all the way across.??? I have even seen 30's on centers and 20's on outers
Any insight would be appreciated
#82
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I don't know if there's anything that entirely works better than another........it's about the manufacturers preference to build conventional , single step, twin step and 3+ stepped hulls-then ultimately comes down to preference of the customer.
#83
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#84
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Now here is another what if for the thread;
Why arent the pad areas on boats running at speed done with a dimple pattern such as on a golf ball. The dimples would provide excellent lift and aeration as well as stability.
Why arent the pad areas on boats running at speed done with a dimple pattern such as on a golf ball. The dimples would provide excellent lift and aeration as well as stability.
#85
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. . . . . .that's right. Yours was the purple one on the floor at that time. . . . .?
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BillR
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#86
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Fountain did test that a long time ago, I don't know what the outcome was.
#87
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#88
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First, have you ever done the spoon under the faucet trick? Where you hold the backside of spoon against the downward flow of the water and the spoon is sucked into the water further not pushed away?
#89
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Look at my spoon trick, it would create suction not lift - try it yourself you'll learn about hydrodynamics very fast.
First, have you ever done the spoon under the faucet trick? Where you hold the backside of spoon against the downward flow of the water and the spoon is sucked into the water further not pushed away?
First, have you ever done the spoon under the faucet trick? Where you hold the backside of spoon against the downward flow of the water and the spoon is sucked into the water further not pushed away?
#90
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The spoon is sucked deeper into the water not pushed away, that creates a suction that in effect pulls the boat deeper into the water. So even if you put all negative dimples in the pad you have in effect created positive areas as well (higher than the depressions) whick I think should act like the spoon and create suction.
Your theory is very easy to test with a hinged board and a garden hose. It will not be exact but will either suck or push like the spoon and then you'll know for sure - hey it might work - try it!!!!!
As far as aeration goes in order to aerate you need to be able to draw air in from somewhere to make the air space?
Remember there were some early steps hulls that did not have clear access all the way to the chine? In the rise of the step they drilled holes and air was drawn from the top side some where. I believe, but not sure that some of the old Rybovich Runners (center consoles) had them and I thought a race boat named "Varn's Infinity" was like that as well. Neither worked as well as hoped but I'm sure there were many other reasons?
Your theory is very easy to test with a hinged board and a garden hose. It will not be exact but will either suck or push like the spoon and then you'll know for sure - hey it might work - try it!!!!!
As far as aeration goes in order to aerate you need to be able to draw air in from somewhere to make the air space?
Remember there were some early steps hulls that did not have clear access all the way to the chine? In the rise of the step they drilled holes and air was drawn from the top side some where. I believe, but not sure that some of the old Rybovich Runners (center consoles) had them and I thought a race boat named "Varn's Infinity" was like that as well. Neither worked as well as hoped but I'm sure there were many other reasons?