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Dear Psubbers,
Some say the best advice you can give to someone
that talks about building his own submarine is - make it big - as big as you
possibly can.
Many of the problems that are encountered in
construction of small psubs are related to the lack of space - and the bad
conditions work most be done in.
During my work on Freya back in 2001 I used to say
the boat had an inbuilt torture chamber - the cramped engine room. This was not
completely wrong.
By 2005 construction of a full size boat to follow
the Kraka started. Unlike the two first boats we this time chose to work in a 2
meter diameter pressure
format - just enough to make stand up room - and to
design for 100 meter or 300 feet operational dive depth. Total length of the
ship would be just under 20 meters
and she would be designed with fuel capacity and
room for supplies to cross the North Atlantic. The boat has twin diesels, a five
bladed propeller - and a sail
that will place the crew four meters above the
sea when crusing surfaced. The challenge to build this with in the economic
frame available is formidable - but
not imposible.
One of the problems that faces a psubs designer is
how to look out of the ship - how to build windows or acrylic domes that are
safe and placed in a practical way ?
Freya featured windows I her front dome - a design
that proved dangerous since she flooded sank in 2003 after a minor coalition.
Kraka features two windows in the
front torpedo tunnel - this is nice but give a
fairly complex shape of the bow - but the smart use of the torpedo openings in
her Type VIIC hull shape protects the windows very well.
So windows are difficult to place and always
potentially dangerous spots - Mr. Standfuss / CSSX has taken the radical
decision to cut all windows and use cameras only. This is
smart, but its sad you only see things on TV in pal
or NTSC resolution. On our boat no. 3 - designated UC3 - we combine windows
- though only in the side of the ship - and high definition
cameras - one in the photo optic mast and one just
under the bow. Today TV and flatscreen camaras with a resolution og 1080 times
1700 pixels are avalible at amateur prize - and it give awesome
beutiful sharp pictures in the
controlroom
UC-3 is well into construction by spring 2007 and
is expected to launch part finished in 2008. We changed the design drastically
after a 2004 meeting with Mr. Standfuss - and using a smarter
simpler
concept we now have a finished pressure hull, with
deckcasing. Construction of ballaststanks are underway. Drawings seen on Mr.
Peter Blazejewicz home page is from before this meeting - and have been
modified and moderniced ( semi USS Albacore hull
form ) to allow faster construction. Mr. Blazejewicz is a very important
participant in the construction process - and has been that since the very
start.
The construction of her is the direct reason you
will find that the Kraka is for sale - since we expect to focus on sailing the 20 meter boat with a kitchen and a shower
rather than the 12.6 meter boat with no kitchen or shower. However - sailing a
small boat is always fun in a different way - and
perhaps sometime after UC-3 a new deep
diving midget may start life in Copenhagen, Denmark.
Regards Peter Madsen
This message was sent from the controlroom of the
submarine UC-3 via her radiomast.
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