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Jotika HM Bomb Vessel Granado 1756 Manual page 5

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Initial Hull Construction
Remove the main keel (11) from the 5mm ply sheet together with the 5mm walnut pieces, the stem (27), the false keel (28) and
the stern post (29).
Although the stern post should be identified and removed, it should not be glued into position until a later stage having regard
to the instructions re: the keel and hull reduction from the bearding line to stern post. Glue the stem and false keel into position
along the ply keel using PVA wood glue. It is important that this whole structure remains perfectly flat, straight and in line
whilst drying. Tape and or small clamps can be used to assist.
A suitable building board should be considered at this point. Construct the board from MDF or similar sturdy material. The
board should be long enough and wide enough to protect the hull throughout construction. Consideration should also be given
to the way in which the model will be displayed; it is recommended that using a 3mm drill, drill two holes vertically up into the
keel centrally, one directly behind bulkhead 7 (far enough back to support the model but not so far back as to interfere with the
bearding line as discussed on page 3), and one centrally between bulkheads 3 and 4. Drill each of these holes approximately
30mm deep and glue a piece of 5mm scrap wood to either side of the keel, at the hole, but positioned approximately 5mm from
the bottom of the ply keel so as not to interfere with the planking. Upon completion of the model, two brass or stainless steel
rods can be used to support it on your chosen display board.
Identify and remove, from the 5mm ply sheet, bulkhead 1 (1) and, from the 3mm walnut sheet, the bowsprit step (72). Glue the
bowsprit step into position (jigsaw fashion) on bulkhead 1 as shown (Photo 001).
Identify and remove bulkheads 2-10 (2-10), from the 5mm ply sheet.
Note: The false bulkhead (15) is not used during this building sequence; it will be fitted and glued later, during the
construction of the quarterdeck bulkhead assembly.
Clean out any debris from the slots of the bulkheads and the keel and push fit the bulkheads into position making sure that they
sit firmly and squarely into the keel.
Note: Bulkhead 1 should be positioned such that the 3mm bowsprit step is in the forward face of the bulkhead, it is also a good
idea to varnish the bowsprit step at this stage to prevent any unnecessary staining from glues etc. as the after face will be
visible on the completed model.
Note: Take particular care in the location of bulkhead 7, that it is positioned into the correct corresponding slot in the keel. It
could easily be confused with the slot for the mizzen mast.
Once that you are happy with the fit of the bulkheads they can be glued into position, ensuring that they remain level
athwartships and at right angles to the keel, they must also be parallel to each other. This entire structure should now be put to
one side and allowed to dry thoroughly.
Identify and remove, from the 5mm ply sheet, the plank termination patterns (12 & 13). They should be glued into position as
shown on Plan Sheet 1 and (Photo 002).
The outer stern extensions (56) can now be identified and removed from the 3mm ply sheet and glued into position in the outer
slots, after face, of bulkhead 10. The inner stern extensions (55) can also be identified and glued into position in the inner slots,
after face, of bulkhead 10. All of these extensions should be correctly fitted and glued, it is important that they are at right
angles to bulkhead 10 and that they sit securely into the slots as shown (Photo 003).
Photo 001
Photo 002
Photo 003
©
4
2004 JoTiKa Ltd.

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