Comments:
In 1997 I was asked by RTK Marine (now part of VT-Halmatic) to design the hull
and do all the hydrodynamic and hydrostatic calculation for a proposed new bridging
tug for the MOD. The craft was to help erect mobile bridging sections for army
transit, amongst other duties. A shoal draught capability and high forward and
astern thrusts were needed, combined with a substantial payload requirement and
a good planing performance. Propulsion was by waterjet and an asymmetric catamaran
form with a wetted, planing, tunnel was used to achieve this. Working in conjunction
with the small but enthusiastic design team at RTK who covered all the rest of
the work, made this a very satisfying project. All of us had to work extremely
hard to cover a large list of requirements, but the successful outcome made it
all worthwhile.
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