Mixed Reality Based Virtual Carving System Surface Carving ...
Carving Ship Model Hulls
Transcript of Carving Ship Model Hulls
Carving Ship Model HullsLaminated and Machine Carved Hulls
Pete Jaquith
09 June 2015
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Topsail Schooner Eagle 1847
• Topsail schooner rig
• Built in Arrowsic Island, ME in 1847
• 3/16” to the foot, 1:64 scale
• Model characteristics
– Scratch build
– Laminated solid hull
– Upper hull planking recessed
– Built up bulwarks
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Topsail Schooner Eagle 1847
• Tools
– Building board
– Drawknife
– Gouges/chisels
– #49 Pattern Makers File
– 60 Grit sandpaper w 1.5” dia dowel
– Sanding sticks
– Dial calipers
– Disk sander
– Drill press
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Topsail Schooner Eagle 1847
• Templates (laminated on artist mat board)
– Stem profile
– Stern profile
– Stations
– Deck camber
– Deck fore end
– Bulwark fore end
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Topsail Schooner Eagle 1847
• Laminated hull block
– Bass wood laminations
– Tilebond glue (brown)
– Transom a separate assembly
• Layout profile, deck shear and camber
• Stem / stern profile
– Shape stem profile
– Shape stern profile
– Shape transom (disc sander)
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Topsail Schooner Eagle 1847
• Deck shear / camber– Shape fore desk shear
and camber (drawknife)– Fit transom assembly– Shape poop deck shear
and camber (drawknife)
• Layout deck centerline, stations, deck at side, mast holes– Drill mast holes (drill
press)– Shape tumble home aft
(disk sander)– Shape deck at side fwd
(disk sander)
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Topsail Schooner Eagle 1847
• Lower hull– Shim hull block to hold
waterline level
– Screw hull block to building board
• Carving lower hull– Shape deadrise
(drawknife)
– Rough out stations (gouge)
– Rough fair between stations (gouge/chisel)
– Fair between stations (pattern making file/sanding sticks
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Topsail Schooner Eagle 1847
• Carving upper hull recess
– 3/64” recess for upper hull planking
– Layout inner surface on deck at side
– 1/16” wide grove at bottom (1/8” below copper line)
– Vertical cuts with gouges/chisels
– Finish with sanding sticks
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Topsail Schooner Eagle 1847
• Stem, keel, stern post, and rudder
– Fit stem, keel, and stern post
– Dry fit rudder
• Mounting pedestals
– Drill pedestals holes (drill press)
– Dry fit pedestals
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Topsail Schooner Eagle 1847
• Hull block complete and ready for:
– Deck planking
– Poop bulkhead
– Bulwark framing
– Upper hull planking
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Topsail Schooner Eagle 1847
• Built up bulwarks
– Timberheads recessed into hull block
– Every 3rd timberhead recessed (recommend recessing all at bow)
– Recesses cut w razor blade and 1/16” chisel
– Covering board used as template
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Topsail Schooner Eagle 1847
• Bulwark and upper hull planking
– Bulwark planking recessed 1/32 “ from upper hull
– Upper hull planking flush with lower hull
– Upper hull planking extends 1/8” below copper line
– Lower hull will be coppered
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Topsail Schooner Eagle 1847
• Hull, deck, bulwark, deck furniture, hull fittings complete
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Brigantine Newsboy 1854
• Brigantine rig
• Built in Owls Head, ME in 1854
• 3/16” to the foot, 1:64 scale
• Model characteristics– Semi-scratch built from
old Model Shipways kit
– Machine carved solid hull construction
– Upper hull planking recessed
– Lower hull coppered
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Brigantine Newsboy 1854
• Templates (laminated on artist mat board)
– Stem profile
– Stern profile
– Stations
– Deck camber
– Deck F/A ends
– Bulwark F/A ends
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Brigantine Newsboy 1854
• Initial assessment
– Establish key reference lines
• Buildup required
– Bottom amidships
– Stern post and counter
– Main deck shear and camber
– Bulwark tops
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Brigantine Newsboy 1854
• Reference lines
– Center line
– Keel half siding
– Stem and stern profile
– Stations
– Deck at side
– Bulwark top (inner and outer lines)
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Brigantine Newsboy 1854
• Lower hull– Shim hull block to
hold waterline level– Screw hull block to
building board
• Carving lower hull– Shape stem & stern
profile– Shape deadrise
(sanding block)– Rough out stations
(gouge)– Rough fair between
stations (gouge/chisel)
– Fair between stations (pattern making file/sanding sticks)
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Brigantine Newsboy 1854
• Carving upper hull recess
– 3/64” recess for upper hull planking
– Layout inner surface on bulwark top
– 1/16” wide grove at bottom (1/8” below copper line)
– Vertical cuts with gouges/chisels
– Finish with sanding sticks
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Brigantine Newsboy 1854
• Stem, keel, stern post, and rudder– Fit stem, keel, and
stern post
– Dry fit rudder
• Mounting pedestals– Drill pedestals holes
(drill press)
– Dry fit pedestals
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Brigantine Newsboy 1854
• Hull block complete and ready for:
– Upper hull planking
– Carving inner bulwarks
– Deck framing
– Deck planking
– Bulwark framing
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Brigantine Newsboy 1854
• Bulwark and upper hull planking
– Bulwark planking recessed 1/32 “ from upper hull
– Upper hull planking flush with lower hull
– Upper hull planking extends 1/8” below copper line
– Lower hull will be coppered
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Brigantine Newsboy 1854
• Inner bulwarks– 1st exterior planking
installed with Tilebond wood glue
• Carving inner bulwarks– Layout inner cut line on
bulwark top– Vertical cuts with
gouges/chisels– Finish with sanding sticks– Control thickness to with
dial calipers– ~1/16” total thickness
(1/32” + 1/32” planking)
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Brigantine Newsboy 1854
• Inner bulwarks
– Finish with sanding sticks
– Control thickness to with dial calipers
– ~1/16” total thickness (1/32” + 1/32” planking)
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Brigantine Newsboy 1854
• Deck framing
– Deck framing built up from basswood strip
– Used to establish correct deck shear and camber
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Brigantine Newsboy 1854
• Mast holes
– Drill mast holes (with drill press)
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Brigantine Newsboy 1854
• Deck planking and bulwark framing
– Typical deck planking, waterways, covering board, and bulwark framing
– Bulwark framing fwd based on figures in The American-Built Clipper Ship by William L. Crothers
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Brigantine Newsboy 1854
• Hull, deck, bulwark, deck furniture, hull fittings complete