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3.3
CONSTRUCTION OF THE HULL OPENING AND CLOSING PLATE
a) Measure & mark the hull pening
as mentioned before.
b) Trace a parallel line, 10 – 15 mm away from
marked-up hull opening, to allow for position of
rebate.
c) Trace a parallel line, 100 – 150mm away from
marked-up position of rebate, to allow form area
to be shaved down to allow for the construction of
the rebate.
d) Drill holes in the corners of lines marking the
rebate position and cut out this piece of the hull.
e) Shave down the marked up area for
construction of rebate (see "c" above). Make sure
when grading the hull not to exceed ½ the hull
thickness.
f) Shave down hull-cut out to half its original
thickness.
g) Use piece of wood (195 x 267mm) to make
male mould for rebate constructrion. Position &
temporarily fix on shaved down hul cut-out,
allowing 10-15mm all-around. Make sure all lines
are smooth and liberally wax this mould.
h) Position & secure this in hull opening, making
sure outside hull lines are smooth.
i) Build the rebate, using matt & roving on the
inside of the hull. Do not exceed the original
thickness and shape of the hull.
j) Once rebate is set, remove the male plug. Now
remove temporarily fixed piece of wood from
shaved down hull cut-out and keep the hull cut-
out to use as closing plate.
6
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