ML20100N614

Applicant Exhibit A-41,consisting of Page 2 of Chapter 2 to, Oil Engines, to Part 5, Main & Auxiliary Machinery, of Rules & Regulations for Classifications of Ships, Dtd Jul 1982

ML20100N614
Person / Time
Site:	Shoreham File:Long Island Lighting Company icon.png
Issue date:	10/01/1984
From:	LLOYD'S REGISTER OF SHIPPING
To:
References
OL-A-041, OL-A-41, NUDOCS 8412130262
Download: ML20100N614 (2)

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Rules and Regulations for the 0

Classification of Ships -

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Part 5 Main and Auxiliary Machinery .

l l Chapter 2 Oil Engines nucLgan stGULATORY COMulllten oeste #6 6 1 gendel I h. Go-i, ..

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0412130262 841003 PDR ADOCK 05000322 0 PDR LLOYD'S REGISTER OF SHIPPING

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f- u feses and regulations tir tne (tassitertion et anips g

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guessee nem 1 Janussy.1sys Pese 8 i ECTION 3 e. + 280 - 0,099d 'e. + 26,5 - 0,006d i Osakesfie 1,23 (e. + lad) 1,23 (e. + 16) [

for cast iros eranke6ans, insies engine le not to sessed that * "

'= " e'P*'nh 6 P mE 'd'2(e.+1do) K, = 7,0 for shrunk sections of forged or cast aseel AKa7(1- Q Di< - - -

semi-buut and buHe ceaakahahs, R.1 765 CK ,

100 000 100 000 s nE 'd'Z (e.+ 16) _ AKs p (1-Q D ' ~V '* ""

(H.

\A. 3730 C K ,

7000 100 000 .; creakahaha and the combined pins and webs -

sers. Thepowerrating If- f is to be not less # "" "8 " * "

A. A , G = a me-at grom Fig. 2.3.1. .

than the pour rating based on PWf) and A as uma. Q is to be taken as I A for all negative deaned in Q l 31 "-

where values of d, yester than 0,6, P. = maximum designed shaft power,in kW, m = depth of reces4 of Silet into crankweb,in mm, (H. = manimum designed shan power,in shp), F = ananciaat from Fig. 2.3.2, A. = sev/ min of the crankshah at maximum de- 6 = breadth of web,is mm,

• l signed shaft power, G = coedicient from Fig. 2.3.3 or Fig. 2.3.4, i n = number of cylinders for 2SCSA engines, t - axial thickness of web,in r,m,

= balf the number of cyhnders for 45CSA p = manimum combustion pressure, in N/mm 8 engines, (kaf/cm'), at manimum designed shaft power, '

E = mechanical ef5ciency of the engine empressed f = span of bearings adjacent to a crank measured as a decimal, from inner edge to inner edge,in mm. '

A and C = coef5cients from Tables 2.3.1, 2.3.2, 2.3.3 f, = length of crankpin, in mm, 2.3.4 or 2.3.3 for appropriate cycle tad f. ring D = d2ameter of cyhnder,in mm.

order with equal intervals between firing

( crs numbered from the free end of the

1. covered by values of A and C given in Tables 2.3.1, 2.3.2, f for solid forged steel 2.3.3,2.3.4 or 2.3.3 and Vee engines having daerent 6 ting K = 0,8 + 2#' + 0,243 i

orders on each bank, will receive special consideration.

or cast iron cranhhsfts and the combined pins

• "F0 " *" "'

3.l.3 For Vee engines having minimum Aring intervals

- 1,8 for shrunk sections of forged or cast steel terween two cylinders on one pin ddttent from those given in Tables 2.3.3. 2.3.4 or 2.3.3, the values of A and C semi-built and built crankshafts, nur be obtained by laterpolation.

d, - diameter of creakpin, in mm, e - 611ct radius at junction ofcrankweb with crank

• 3.1.4 In designs of crankshafts to whkh the engine pin, in toen. (Tbs nuet radius at junctico of power rating formula is not directly applicable, detatied journal and crankweb is not to be less than r)' l design calculations are to be subrnitted for special coo.

m = d, + 4 - 3 sideration.

d = diameter of crank journal,10 mm, 3 = length of stroke,in mm, 3.3.3. Special consicieration will be given to cast iron d = minimum diameter of creakahaft pin or cranhahahs which have been designed and developed for jourani, whichewr is less, or equivalent optimum fatigue strength with cranks of the most favour.

desmoser for hegow shashing,la mm, able shaps, and some allowance inade for the superior 2 = IA casept as fatows: sesongah thereby obtenced. Particulars of any relevant tests

= 1,15 for die. forged creak aharts med continuous or esperience should be submHted.

yelseow craokehens where these methods of manufactum or procentas ha , been spwinny 3.3 oa kwehe of best and smenset seems mens 3.2.1 Where the crankwebs are shrunk on creakpins or

= 1,23 for creahahafta surfa, >bardened by shridaag when fun partiadan W the method ),,rnals, the dimeneions ned yield serene of the material of the creakwebs are not to be less than glwa by the fouowing and preams how bene appros ed, formuhe for the abrinkage allowance propeesd:-

. Man. Spes6al eensideration wig be given to other surf ' ? M treatments which in- ,

4s (#* + 2V clude the Silet radii,in aDocating as apprt> 63305 A d.4 (d. + A),,,

priate 2 va'ue. If it can be proved that any .

eurface.ha rdening process wil. further improve 3 1--

e, = 92 2005 de ,I + (/* + 2A N/aun' the fetisue characterisuca c' dae foryd or .

continuous pain.8ow crank. hafts, cons 6 der. l b g ,.

g ,

ation wiu be given to the us of a combined 2 value, [i e,= 94005, ,Ide+ {/* + 2$l , kaf/mm'

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