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Jotika HM Bomb Vessel Granado 1756 Manual page 39

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Yards & Booms
Using Plan Sheet 4 for reference, make up the yards and booms to the dimensions shown. The sling cleats (125, 180-183)
should also be fitted as shown.
Note: The central octagonal sections of the main and mizzen topmast yards are formed by gluing, with diluted PVA,
appropriate lengths of black cartridge paper to the yard. Conversely, the main yard octagonal section is formed by shaping the
dowel itself.
Note: The lower studding sail boom should be constructed now but will not be fitted until a much later stage when instructed.
The gooseneck is formed from 1mm brass wire (321) and should be shaped as shown, with a straight 90 degree bend.
The stop cleats on all yards are constructed from 1.5x1.5mm walnut shaped as required.
Note: The main yard studding sail booms are secured to the main yards through yard rings as shown on Plan Sheet 4 and are
offset through 45 degrees above and forward of the yard, the inner most end of the boom is lashed to the yard with 0.5mm
black thread. The outermost rings are located, using 0.75mm brass wire (320), to holes drilled into the end of their respective
yards, through the brass etched boom iron straps (215).
Mast, Yard & Top Blocks
With the masts and yards assembled and referring to Plan Sheet 5 and (Fig 005 - 012) fit the blocks and eyelets to the masts,
yards and tops as shown. Unless otherwise shown, the smaller blocks (2.5 - 3mm) should be attached with 0.25mm black
thread, the 5mm blocks should be attached with 0.5mm black thread and the 7mm blocks are attached with 1.0mm black
thread.
Note: All of the blocks on the main yard should be positioned directly on top of or directly underneath the yard, i.e. they are all
'behind' the booms.
Note: No blocks should be painted on any part of the model.
Yard Horses (Footropes)
Referring to Plan Sheet 5, the main and mizzen topmast and topgallant yard horses are fitted from 0.25mm black thread. The
outer end is seized to the yard, outside the stop cleat, the horse then leads inboard and through stirrups of 0.75mm brass wire
where appropriate and the end is seized to the yard, outside the sling cleat on the opposite side i.e. port horse to starboard sling
cleat and vice versa.
The Spritsail yard horses are constructed from a single length of 0.25mm black thread, the ends are seized directly to the yard,
outside the stop cleats. The centre of the horse is then lashed to the centre of the yard with 0.25mm black thread.
Due to the era of this ship the main yard and crossjack yard horses, of 0.25mm black thread, are rigged a little differently to
usual. The horses are seized outside the stop cleats and lead inboard but, rather than being seized directly to the yard, outside
the sling cleats on the opposite side as usual, a 3mm deadeye is seized into the end of the horse, directly beneath the sling cleat,
port sling cleat for the port horse and vice versa. A lanyard is then set up between the two deadeyes and when complete, the
central point of this lanyard is lashed to the centre of the yard with 0.25mm black thread, as shown on Plan Sheet 5 & (Photo
047).
Stepping the Masts
Using Plan Sheet 5 for reference, temporarily drill and pin the yards in place on the masts, the spritsail yard is positioned
directly in front of the spritsail yard saddle and on the underside of the bowsprit as shown on Plan Sheet 7. With the locations
marked, drilled and pinned, remove the yards and set them to one side, they will not be finally fitted until needed for the
running rigging.
Identify the mizzenmast coat (123) and main mast coat (124). Pass the masts through their respective coats and step the masts
into their locating holes on the deck, adjust the masts to the desired rakes and secure the coat to the deck (ensure the masts are
all vertical when viewed fore and aft). Secure the masts in place.
'Top' Hand Rails
Identify and paint matt (metal) black the rail stanchions for the tops (245). Using Plan Sheet 3 for reference, the stanchions are
fitted to the top of the gunwale, in their pre drilled locating holes. There are four stanchions fitted across the back of the main
top and three across the mizzen top. Cut to length and paint dull black lengths of 1.5x1.5mm walnut to fit into the 'U's' of the
rail stanchions across the tops, as hand rails. The hand rails should be approximately the same length as the width of the top,
but not exceeding this measurement.
©
38
2004 JoTiKa Ltd.

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