# Search Results

### Kar for sailcraft or planing craft

Hello, Do you know why the calculation of Kar is not the same for sailing craft and planing craft ? The Kar of a planing craft vary with the...
Thread by: DUCRUY Jacques, Jul 29, 2012, 0 replies, in forum: Class Societies
2. Post

### Minimum inertia for GRP stiffener

Thank you very much for your answer.
Post by: DUCRUY Jacques, May 26, 2012 in forum: Class Societies

### Minimum inertia for GRP stiffener

Hello, I don't understand the formula used by ISO 12215-5 for calculate the minimum moment of inertia for a GRP stiffener. In DIS 2004, the...
Thread by: DUCRUY Jacques, May 24, 2012, 12 replies, in forum: Class Societies
4. Post

### Transverse frame calculation

Thank you very much BR Jacques
Post by: DUCRUY Jacques, May 3, 2012 in forum: Class Societies
5. Post

### Self steering gear with trim tab

Hello, You'll find attached the patent of Hasler and Major.
Post by: DUCRUY Jacques, Jan 17, 2012 in forum: Sailboats
6. Post

### Self steering gear with trim tab

Thank you very much for the information.
Post by: DUCRUY Jacques, Jan 14, 2012 in forum: Sailboats

### Self steering gear with trim tab

Hello, I had interested by the first "vane gears" with trim tab. I had some informations about the vane gear of Buttercup, designed by...
Thread by: DUCRUY Jacques, Jan 13, 2012, 6 replies, in forum: Sailboats
8. Post

### When calculating transverse frames what would be ...

Thank you for your answer. In fact, I thinked to a sailboat : as the curvature is "soft", it is difficult to slit the frame in two part :...
Post by: DUCRUY Jacques, Jan 6, 2012 in forum: Class Societies
9. Post

### Is there a distinctive difference between girders and beams?

I think that you can have several "level" of structure on a deck : for example : 1e level : deck longitudinal (supporting the deck plating) =>...
Post by: DUCRUY Jacques, Jan 3, 2012 in forum: Class Societies
10. Post

### Is there a distinctive difference between girders and beams?

It seem to me that : A beam is a secondary stiffener, witch "support" the plating A girder is a primary stiffener, witch "support" the secondary...
Post by: DUCRUY Jacques, Jan 3, 2012 in forum: Class Societies
11. Post

### Heller & Jasper and Allen & Jones papers

Thank you very much
Post by: DUCRUY Jacques, Dec 15, 2011 in forum: Class Societies