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1

Wednesday, September 21st 2011, 8:12pm

German Merchant Designs for 1942

Placeholder for subject design data

2

Wednesday, September 21st 2011, 8:16pm

Deschimag Mehrzweckfrachter neu Art

To maintain competitive offerings the firm of Deschimag has designed a general purpose freighter capable of sixteen knots for sale at home or abroad



Deschimag Mehrzweckfrachter neu Art, German Mulltipurpose Freighter laid down 1942

Displacement: 6,400 t light; 6,714 t standard; 15,695 t normal; 22,880 t full load

Dimensions: Length overall / water x beam x draught

483.14 ft / 456.04 ft x 62.34 ft x 24.93 ft (normal load) [147.26 m / 139.00 m x 19.00 m x 7.60 m]

Machinery:

Diesel Internal combustion motors, Geared drive, 1 shaft, 9,319 shp / 6,952 Kw = 16.00 kts
Range 85,500nm at 13.00 kts
Bunker at max displacement = 16,166 tons

Complement: 700 - 911

Cost: £1.642 million / $6.570 million

Distribution of weights at normal displacement:

Armament: 0 tons, 0.0 %
Machinery: 243 tons, 1.6 %
Hull, fittings & equipment: 4,157 tons, 26.5 %
Fuel, ammunition & stores: 9,295 tons, 59.2 %
Miscellaneous weights: 2,000 tons, 12.7 %

Overall survivability and seakeeping ability:

Survivability (Non-critical penetrating hits needed to sink ship): 100,767 lbs / 45,707 Kg = 933.0 x 6 " / 152 mm shells or 12.2 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 3.4 ft / 1.0 m
Roll period: 14.1 seconds
Steadiness - As gun platform (Average = 50 %): 92 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:

Hull has raised forecastle, rise forward of midbreak
Block coefficient: 0.775
Length to Beam Ratio: 7.32: 1
'Natural speed' for length: 21.36 kts
Power going to wave formation at top speed: 38 %
Trim (Max stability = 0, Max steadiness = 100): 46
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 4.92 ft / 1.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 47.57 ft / 14.50 m
- Forecastle (20 %): 39.37 ft / 12.00 m (37.73 ft / 11.50 m aft of break)
- Mid (50 %): 36.09 ft / 11.00 m (27.89 ft / 8.50 m aft of break)
- Quarterdeck (15 %): 27.89 ft / 8.50 m
- Stern: 29.53 ft / 9.00 m
- Average freeboard: 33.67 ft / 10.26 m

Ship space, strength and comments:

Space - Hull below water (magazines/engines, low = better): 20.6 %
- Above water (accommodation/working, high = better): 212.8 %
Waterplane Area: 24,405 Square feet or 2,267 Square metres
Displacement factor (Displacement / loading): 631 %
Structure weight / hull surface area: 81 lbs/sq ft or 394 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.81
- Longitudinal: 6.84
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, rides out heavy weather easily

Low stowed cargo simmed as additional bunkers

Radius of 12,500 nm on bunkers of 2,484 tons; remaining 13,000 tons cargo

Miscellaneous weight - 600 tons allowed for handling gear and 1,400 tons for high stowed or deck cargo

3

Wednesday, December 21st 2011, 2:44am

Weimar class Bulk Carrier



The Weimar class has been designed by Deschimag of Hamburg to meet the requirements of firms engaged in the transport of ore, coal or other bulk cargo. The bridge structure is placed aft, leaving the deck unobstructed for carriage of cargo, and provision is made for extensive cargo-handing equipment to facilitate a quick unloading and turn-around in port.

Weimar, German Bulk Carrier laid down 1942

Displacement: 3,275 t light; 3,470 t standard; 9,783 t normal; 14,834 t full load

Dimensions: Length overall / water x beam x draught

413.19 ft / 405.51 ft x 53.15 ft x 24.44 ft (normal load) [125.94 m / 123.60 m x 16.20 m x 7.45 m]

Machinery:

Diesel Internal combustion motors, Geared drive, 1 shaft, 4,296 shp / 3,204 Kw = 14.00 kts
Range 120,000nm at 11.00 kts
Bunker at max displacement = 11,364 tons

Complement: 491 - 639

Cost: £0.829 million / $3.317 million

Distribution of weights at normal displacement:

Armament: 0 tons, 0.0 %
Machinery: 112 tons, 1.1 %
Hull, fittings & equipment: 2,362 tons, 24.1 %
Fuel, ammunition & stores: 6,509 tons, 66.5 %
Miscellaneous weights: 800 tons, 8.2 %

Overall survivability and seakeeping ability:

Survivability (Non-critical penetrating hits needed to sink ship): 7,813 lbs / 3,544 kg = 72.35 x 6in/152mm shells or 1.5 torpedoes
Stability (Unstable if below 1.00): 1.55
Metacentric height 4.1 ft / 1.2 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 78 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:

Hull has raised forecastle
Block coefficient: 0.650
Length to Beam Ratio: 7.63: 1
'Natural speed' for length: 20.14 kts
Power going to wave formation at top speed: 32 %
Trim (Max stability = 0, Max steadiness = 100): 39
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: -1.64 ft / -0.50 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 23.62 ft / 7.20 m
- Forecastle (10 %): 22.97 ft / 7.00 m (18.04 ft / 5.50 m aft of break)
- Mid (30 %): 18.04 ft / 5.50 m
- Quarterdeck (30 %): 18.04 ft / 5.50 m
- Stern: 18.04 ft / 5.50 m
- Average freeboard: 18.56 ft / 5.66 m

Ship space, strength and comments:

Space - Hull below water (magazines/engines, low = better): 14.5 %
- Above water (accommodation/working, high = better): 114.0 %
Waterplane Area: 16,279 Square feet or 1,512 Square metres
Displacement factor (Displacement / loading): 955 %
Structure weight / hull surface area: 84 lbs/sq ft or 411 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.06
- Longitudinal: 2.40
- Overall: 1.15
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, rides out heavy weather easily

Low-stowed cargo simmed as additional bunkers. Normal radius 13,000 nm at 11 knots, with bunkers of 1,310 tons. Total low-stowed cargo 10,000 tons.

Residual composite strength represents strengthened deck combings and structure for carriage of heavy cargos.

Breakdown of miscellaneous weight:

Cargo handling gear 300 tons
Anticipated deck cargo 500 tons

Crew and survivability ratings reduced for commercial service

4

Tuesday, January 24th 2012, 11:48pm

Duisburg class Freighter



Designed by Germaniawerft to meet the potential requirements for a smaller but economical freighter, yet offering higher speeds than those found in the Hansa-type vessels.

Duisburg, German Freighter laid down 1942

Displacement: 2,200 t light; 2,309 t standard; 5,463 t normal; 7,986 t full load

Dimensions: Length overall / water x beam x draught

333.54 ft / 318.24 ft x 48.88 ft x 17.06 ft (normal load) [101.66 m / 97.00 m x 14.90 m x 5.20 m]

Machinery:

Diesel Internal combustion motors, Geared drive, 1 shaft, 3,702 shp / 2,761 Kw = 14.50 kts
Range 103,700nm at 10.00 kts
Bunker at max displacement = 5,677 tons

Complement: 317 - 413

Cost: £0.576 million / $2.305 million

Distribution of weights at normal displacement:

Armament: 0 tons, 0.0 %
Machinery: 97 tons, 1.8 %
Hull, fittings & equipment: 1,103 tons, 20.2 %
Fuel, ammunition & stores: 3,263 tons, 59.7 %
Miscellaneous weights: 1,000 tons, 18.3 %

Overall survivability and seakeeping ability:

Survivability (Non-critical penetrating hits needed to sink ship): 20,554 lbs / 9,323 Kg = 190.3 x 6 " / 152 mm shells or 5.4 torpedoes
Stability (Unstable if below 1.00): 1.36
Metacentric height 2.9 ft / 0.9 m
Roll period: 12.0 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00

Hull form characteristics:

Hull has raised forecastle
Block coefficient: 0.720
Length to Beam Ratio: 6.51: 1
'Natural speed' for length: 17.84 kts
Power going to wave formation at top speed: 42 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.94 ft / 1.20 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 19.69 ft / 6.00 m
- Forecastle (20 %): 17.06 ft / 5.20 m (11.48 ft / 3.50 m aft of break)
- Mid (50 %): 11.48 ft / 3.50 m
- Quarterdeck (40 %): 11.48 ft / 3.50 m
- Stern: 11.48 ft / 3.50 m
- Average freeboard: 12.81 ft / 3.90 m

Ship space, strength and comments:

Space - Hull below water (magazines/engines, low = better): 27.3 %
- Above water (accommodation/working, high = better): 87.3 %
Waterplane Area: 12,648 Square feet or 1,175 Square metres
Displacement factor (Displacement / loading): 458 %
Structure weight / hull surface area: 60 lbs/sq ft or 293 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.51
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, rides out heavy weather easily

Low-stowed cargo simmed as additional bunkers.

Normal radius 12,000 nm (498 tons of fuel). Low-stowed cargo 2,750 tons

Breakdown of Miscellaneous weight

Cargo handling equipment - 100 tons
Provision for twelve (12) passengers - accommodation and amenities - 100 tons
Reserved for deck cargo - 800 tons