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Our 388 has a little over 4ft of lifting strikes removed by the transom to settle it down at high speeds. Different boat, so probably doesn’t apply to your application. |
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Originally Posted by apex svt
(Post 4673128)
Our 388 has a little over 4ft of lifting strikes removed by the transom to settle it down at high speeds. Different boat, so probably doesn’t apply to your application. Prob also why the cigs ride so nice. 14ft from the transom theres nothing but a smooth vee . Minimal horizontal surface to land on off waves. |
Originally Posted by MILD THUNDER
(Post 4673127)
Dan didnt extend the inner strakes. First, he had someone remove some of the outer strakes, in therory to let the transom settle. Then he had them put back on, and did that tres martin wedge thing. I think the wedge helped the porpoise.
Speedy, the measurement i am speaking of, is if you take a tape measure, and measure from the transom edge, to the end of the inner lifting strake. the longer the distance, the less strake you have. |
Originally Posted by offshoredrillin
(Post 4673126)
he said 14' from the back of the boat, he is asking if a longer inner lifting strake would make the boat ride out of the water more and less of a wetted surface, the short answer is hydro dynamically speaking, yes it would, but being as the boat would be riding higher the propensity to chine walk and fall to the sides instead of down in the front would be more, also with a longer lifted surface it would change the X dim slightly. I dont think that it would be hard to do, didnt Dan do something like that on his?
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Originally Posted by Full Force
(Post 4673163)
After Joe had me measure mine I made a post on FB about this and what you said was explained to me by a buddy that designed Baja hulls, I am also wondering if it has anything to do with the Cig hull being a "rocker" hull?
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Mistress is a rocker hull I looked at gun pic and it’s not like mistress bottom at all |
Originally Posted by MILD THUNDER
(Post 4673036)
https://youtu.be/L-LxiVwnlzc
This straight bottom 38 scarab had side by side 850-950hp blower motors, #5 drives. Boat ran 108 if i recall. if you stop the vid at :16 it looks like the water starts where the strakes end. (further back then any straight bottom cig.) If there was a way to add temporary strakes I`d try it. I`d also like to try lowering my extension boxes vs. putting a spacer in the drives. |
The Scarab 38 hull is also a rockered hull as is the Scarab 43. Larry Smith built a non-rockered 43 for Tom Gentry, and it didn't work well at all. That was the first 43 built. I believe they added 3-4" of rocker to that boat to get it to run well. As to the inner chines, not only are the Scarabs longer, I was also told they are wider than that of a 38 Cigarette. So not only does it get better lift, it also makes it more stable. I would also measure the width of the inner strakes between the two boats. If I remember right Larry Smith race Scarabs and production Scarabs had the inner strakes in different locations. I think the race version had them placed closer together.
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Originally Posted by ICDEDPPL
(Post 4673297)
if you stop the vid at :16 it looks like the water starts where the strakes end. (further back then any straight bottom cig.)
If there was a way to add temporary strakes I`d try it. I`d also like to try lowering my extension boxes vs. putting a spacer in the drives. |
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