# Search Results

1. Post

### Connection between cross structure and demihull

I'm sorry to dig this thread up again. But, I'm reading this thread again now, but, I don't think I get an answer yet, how to analyze this radius....
Post by: ktimg, Oct 2, 2016 in forum: Multihulls
2. Post

### Connection between cross structure and demihull

In ABS rule (attached note), 1. Bending Moment they assume is simple; one hull out of water and one hull in (in bending moment equation is...
Post by: ktimg, Sep 24, 2016 in forum: Multihulls
3. Post

### Connection between cross structure and demihull

Thanks RX, I suppose your images (viz. LR) give the bracket size to support two structural units, which is similar in concept to that given by...
Post by: ktimg, Sep 22, 2016 in forum: Multihulls
4. Post

### Connection between cross structure and demihull

Thank you both, Ad Hoc and TANSL. I'm totally clear about both things here. (P.S. TANSL I have GL and ABS HSC rules in my hand, but can't find...
Post by: ktimg, Sep 20, 2016 in forum: Multihulls
5. Post

### Connection between cross structure and demihull

Thank you, Ad Hoc. I totally grasp the background concepts of both 1 and 2 now. But, I'm wondering if there's an equation or class guideline as to...
Post by: ktimg, Sep 20, 2016 in forum: Multihulls
6. Post

### Connection between cross structure and demihull

the height of the cut-out can be as high as 50% of the primary member, the rule says. So, doesn't a cut-out that big in the cross BEAM reduce the...
Post by: ktimg, Sep 20, 2016 in forum: Multihulls

### Connection between cross structure and demihull

Again, another question about cross structure of a catamaran. I think now I realize how to calculate the scantlings of the members of the...
Thread by: ktimg, Sep 20, 2016, 23 replies, in forum: Multihulls

### Catamaran Cross-deck Design

I have found that so many catamarans are designed with continuous transverse frames, as shown in the picture. But, what I have known so far is...
Thread by: ktimg, Aug 28, 2016, 21 replies, in forum: Multihulls
9. Post

### welded and unwelded strength of Aluminum?

Thanks Barry, u've answered so well straight to the point. That's all I want to know for now. Thank you.
Post by: ktimg, Aug 14, 2016 in forum: Class Societies
10. Post

### welded and unwelded strength of Aluminum?

Thanks Ad-Hoc. I can now quite imagine how these aluminum grades are different. Thanks.
Post by: ktimg, Aug 13, 2016 in forum: Class Societies
11. Post

### welded and unwelded strength of Aluminum?

Min Ultimate strength of 5083-O = 270 Mpa Min Ultimate strength of 5083-H116 = 300 Mpa Min Yield strength of 5083-O = 115 Mpa Min...
Post by: ktimg, Aug 12, 2016 in forum: Class Societies