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A
Ad Hoc
Naval Architect
·
From Japan
Joined
Oct 14, 2008
Last seen
Sep 29, 2026
Posts
8,150
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A
Ad Hoc
replied to the thread
Simple and simplistic stability test of an humble RC Boat
.
This is what I mean: So, If you have a closed deck, like the upper image...what VCG did you use?...and where are the down-flooding...
Sep 29, 2026
A
Ad Hoc
replied to the thread
Simple and simplistic stability test of an humble RC Boat
.
As noted above. The model "thinks" there is a deck, which clearly there isn't. Thus you need to define the internal shape of the hull...
Sep 28, 2026
A
Ad Hoc
replied to the thread
Simple and simplistic stability test of an humble RC Boat
.
Well...no. Your boat has an open cockpit (no deck is shown)...ie..water will flooded it once the gunwhales are immersed. From around...
Sep 24, 2026
A
Ad Hoc
replied to the thread
Looking for the original model / mould of an Italian Guardia di Finanza patrol boat
.
Just a side note. I don't see too many passenger safety features for the large number of persons you show on the boat. What rules are...
Sep 10, 2026
A
Ad Hoc
replied to the thread
Need help with Rudder Designs
.
Paper sent by DM.
Sep 2, 2026
A
Ad Hoc
reacted to
fallguy's post
in the thread
Polypropylene honeycomb panels for hull construction?
with
Like
.
It is working well, but for the splash rail matter. Those are ready for paints and the terrifying bonding challenge. Once completed...
Aug 28, 2026
A
Ad Hoc
replied to the thread
Vent placement on stepped hull.
.
Yup that's what we found with our fast ferry designs and tank testing to get the "sweet spot" over a nominal range.
Aug 28, 2026
A
Ad Hoc
reacted to
baeckmo's post
in the thread
Vent placement on stepped hull.
with
Like
.
Hi Barry, First, since fluids cannot transfer tension, you should not use “negative pressure”; it often causes misinterpretations. You...
Aug 28, 2026
A
Ad Hoc
replied to the thread
Polypropylene honeycomb panels for hull construction?
.
It was a combo of several issues really. You needed volume to correct the trim, static trim at rest. And that would concomitantly also...
Aug 28, 2026
A
Ad Hoc
replied to the thread
Detailed split barge plan
.
That depends upon the arrangement of the rams, whether they are linear or axial rotation rams...which is related to the arrangement of...
Aug 27, 2026
A
Ad Hoc
replied to the thread
Polypropylene honeycomb panels for hull construction?
.
Waterline length, not the beam.
Aug 27, 2026
A
Ad Hoc
replied to the thread
How many layers of fiberglass?
.
Indeed!! Indeed. FYI ...the small dinghies i sailed in as a teenager, had merely 1 or 2 layers of CSM at most, and that was it. Not...
Aug 17, 2026
A
Ad Hoc
replied to the thread
How many layers of fiberglass?
.
Oh...so what does this mean then? Sure sounds like it to me. So, again....if you have such negative thoughts/feelings/impression of...
Aug 17, 2026
A
Ad Hoc
replied to the thread
How many layers of fiberglass?
.
So, easy to clear up then. If you think this is in error, please state so exactly and clearly where and what it should be. Otherwise...
Aug 17, 2026
A
Ad Hoc
replied to the thread
How many layers of fiberglass?
.
Indeed...there is no other way to take than as noted. Except if one is wishing to belittle someone for no reason.
Aug 16, 2026
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