I found the ABS High speed naval ship rule has mentioned about fillet length.
"The unwelded length is to be not more than...
is there any have installation detail of the deckhouse resilient mounts access hatch for reference.
is there any document to talk about egg crate intersection?
a tug boat with a single 320kW main engine.
estimated bollard pull is 13 tons.
is there any suggestion on engine mounts?
I found a tug boat built by Damen.
there are some long. stiffeners outside the bottom plate.
is there anyone know why they put the long. stiffener...
we found small crack(abt. 5~10cm) in way of bottom hull.
kindly refer to attached photos.
we intend to use stop hole to carry out the...
is there any document or book to talk about the block assemble?
I want to know how to divide block in detail? I just know have to...
does anyone have the info. abt electric propulsion installed on SWATH?
we have an idea to compare hull resistance between different lines.
we create a chart as follows.
X-axis is froude number.
how to decide the catamarans vertical clearance between waterline and wetdeck?
I try to search information on www.
I find following...
I am trying to find some data of double bottom from small aluminum boat (Abt 20~40m)
does any one can provide us some data such as mid ship....
we have a new project. the ship model is catamaran or semi-swath.
the main principal is as follows.
Loa = 35m~40m
we are studying the resistant weld section area requirement of rule.
for the small aluminum boat, the long. size is small such as the...
we have the aluminum tee extrusion plate. we use the plate on the deck.
at the position of extrusion plated butted joint, we have to...
I got a maker's welding guideline.
[13.0 WELD RUNS
Multi-pass runs maybe necessary depending on the plate and casting...
attached please find the frame section.(aluminum boat abt. 17M).
the class add some brackets and collar plate on the long..
I want to...
is there any document and data to talk about the thick aluminum plate(up 20mm) welding procedure expercially pre and post weld heat...
is there any document or data to talk about the alignment between bulb bar and flat bar.
attached have two kind of alignment. which...
there is a propulsion system with dual main engine input and single shaft output. there are two gearbox with different gear ratio. But,...
Regarding the FRP stiffener requirement moment of inertia,there are big different between DNV and ISO.
DNV CH.4 Sec.4 E200