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babylon218
Post subject: Royal Merlish Naval Service (AU) designsPosted: March 25th, 2021, 3:07 pm
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Joined: March 17th, 2021, 9:25 pm
So, I've done a few designs for mid-Victorian ironclads (c.1860s) and would appreciate some feedback. I've done drawings of modern ships before, but never anything so complicated as a ship with actual rigging, so I know I've almost certainly messed it up.

[ img ]

Apologies for the cardinal sin of the aliased ship's badge.

Defence-Class Central Battery Ironclad:
Displacement: 5,507 t light; 6,331 t normal; 6,733 t full load
Length: 275ft (w/l); 283ft (o/a)
Beam: 56ft
Draught: 26.5ft (normal)

Armament: x8 9.25-inch, 15-calibre breech-loading rifles in a central battery; x4 7-inch, 15-calibre breech-loading rifles in casemates at the fore and aft ends.

Armour: 6-inch Main Belt narrowing to 5-inches at the ends; 6-inch plate over Battery; 5-inch plate over fore and aft casemates; 0.5-1-inch armoured deck.

Machinery: Simple single-expansion reciprocating steam engine producing 4,800 ihp, driving a single screw.
Max Speed: 14 knots
Range: 1,500nm at 8 knots (904 tons bunker load at full displacement).

[ img ]

Defiant-Class Central Battery/Barbette Ironclad
Displacement: 7,298 t light; 8,648 t normal; 9,353 t full load
Length: 350ft (w/l); 360ft (o/a)
Beam: 61ft
Draught: 26.5ft (normal)

Armament:
2 - 9.25" / 235 mm 15.0 cal guns - 259.95lbs / 117.91kg shells, 150 per gun
Breech loading guns in open barbette mounts, 1860 Model
2 x Single mounts on centreline ends, evenly spread
10 - 9.25" / 235 mm 15.0 cal guns - 259.95lbs / 117.91kg shells, 150 per gun
Breech loading guns in casemate mounts, 1860 Model
10 x Single mounts on sides, evenly spread
10 hull mounts in casemates- Limited use in heavy seas
6 - 6.00" / 152 mm 15.0 cal guns - 70.95lbs / 32.18kg shells, 150 per gun
Breech loading guns in casemate mounts, 1860 Model
6 x Single mounts on side ends, majority forward
6 hull mounts in casemates- Limited use in heavy seas
Weight of broadside 3,545 lbs / 1,608 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.00" / 178 mm 170.00 ft / 51.82 m 10.00 ft / 3.05 m
Ends: 6.00" / 152 mm 160.00 ft / 48.77 m 10.00 ft / 3.05 m
20.00 ft / 6.10 m Unarmoured ends
Main Belt covers 75 % of normal length

- Torpedo Bulkhead - Strengthened structural bulkheads:
6.00" / 152 mm 170.00 ft / 51.82 m 26.00 ft / 7.92 m
Beam between torpedo bulkheads 61.00 ft / 18.59 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: - - 2.00" / 51 mm
2nd: 7.00" / 178 mm - -
3rd: 5.00" / 127 mm - -

- Armoured deck - single deck:
For and Aft decks: 2.00" / 51 mm
Forecastle: 1.00" / 25 mm Quarter deck: 1.50" / 38 mm

Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 2 shafts, 5,245 ihp / 3,913 Kw = 14.00 kts
Range 3,000nm at 8.00 kts
Bunker at max displacement = 1,587 tons (100% coal)

[ img ]

Gryphon-Class Armoured Frigate
Displacement: 3,599 t light; 4,624 t normal; 5,271 t full load
Length: 275ft (w/l)
Beam: 50ft
Draught: 22ft

Armament:
2 - 9.25" / 235 mm 15.0 cal guns - 259.95lbs / 117.91kg shells, 100 per gun
Breech loading guns in deck mounts, 1860 Model
2 x Single mounts on centreline ends, evenly spread
16 - 6.00" / 152 mm 15.0 cal guns - 70.95lbs / 32.18kg shells, 150 per gun
Breech loading guns in broadside mounts, 1860 Model
16 x Single mounts on sides, evenly spread
8 hull mounts on gun deck- Limited use in heavy seas
Weight of broadside 1,655 lbs / 751 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 180.24 ft / 54.94 m 8.49 ft / 2.59 m
Ends: Unarmoured
Main Belt covers 101 % of normal length

- Torpedo Bulkhead - Strengthened structural bulkheads:
1.00" / 25 mm 180.24 ft / 54.94 m 19.98 ft / 6.09 m
Beam between torpedo bulkheads 50.00 ft / 15.24 m

- Protected deck - single deck:
For and Aft decks: 1.00" / 25 mm

Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 2 shafts, 3,840 ihp / 2,865 Kw = 14.00 kts
Range 2,200nm at 10.00 kts
Bunker at max displacement = 1,456 tons (100% coal)

I think I've got the hang of how to use the templates, but if I've messed anything up please let me know!

NOTE: The specs for the Defence are off. When I designed her in SpringSharp I was very new to the software and misunderstood how to enter her battery into the programme. Thus, her main battery is set as on-deck when it should be below-deck, and her freeboard is lower than in the image as a result. That's why I haven't copied her stats so exactly from her SpringSharp report as I have with the other two ships - I'm not convinced her figures are reliable.


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