Page 27 - Practical Ship Design
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18.7 Machinery costs ................................ 479
18.7.1 Machinery material costs - general .................. 479
18.7.2 Machinery material costs - merchant ships .............. 479
18.7.3 Machinery material costs - warships ................. 480
18.7.4 Machinery labour costs ........................ 480
18.8 Unit production and first of class costs ..................... 481
18.8.1 Unit production cost .......................... 481
18.8.2. First of class cost ............................ 481
18.9 From cost to price ............................... 481
18.10 Approximate cost data ............................. 483
18.10.1 General discussion ........................... 483
18.10.2 Structural cost ............................. 484
18.10.3 Outfit costs .............................. 485
18.10.4 Machinery costs ............................ 488
18.10.5 Non weightcosts ............................ 488
18.10.6 Cost of sister ships ........................... 489
18.10.6 The price ................................ 489
Chapter 19 . Operational Economics
19.1 Shipowners and operators ........................... 491
19.1.1 Typesoftrade ............................. 491
19.1.2 Methods of employment ........................ 493
19.2 Economic criteria ................................ 495
19.2.1 The basis of these criteria ....................... 495
19.2.2 lnterest ................................ 495
19.2.3 Present worth ............................. 495
19.2.4 Repayment of principal ........................ 495
19.2.5 Sinking fund factor .......................... 496
19.2.6 Net present value ........................... 496
19.2.7 Required freight rate ......................... 497
19.2.8 Yield .................................. 497
19.2.9 Inflation and exchange rates ...................... 497
19.3 Operating costs ................................. 497
19.3.1 Capital charges ............................ 497
19.3.2 Capital amortisation .......................... 498
19.3.3 Profit and taxes ............................ 498
19.3.4 Depreciation .............................. 499
19.3.5 Ship values .............................. 499
19.4 Daily running costs ............................... 499
19.4.1 Crew costs ............................... 500
19.4.2 Provisions and stores ......................... 500
19.4.3 Maintenance and repair ........................ 500
19.4.4 Insurance ............................... 501
19.4.5 Administration and general charges .................. 501