I.S. EN ISO 12215-8:2009
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
Hardcopy , PDF
11-08-2018
English
01-01-2009
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Symbols
5 Design stresses
5.1 Rudder material
6 Rudder and steering arrangement, rudder types
6.1 General
6.2 Rudder types
7 Design rudder force calculation
7.1 General
7.2 Force F[1] and corresponding load case
7.3 Force F[2] and corresponding load case
8 Rudder bending moment and reactions at bearings
8.1 General
8.2 Analysis of spade rudder (Type I)
8.3 Analysis of skeg rudders (Types II to V)
9 Rudder design torque, T
10 Rudder and rudder stock design
10.1 Load bearing parts of the rudder
10.2 Metal rudder stock material
10.3 Design stress for metal rudder stock
10.4 Required diameter for solid circular metal rudder
stocks
10.5 Vertical variation of the diameter of a Type I
rudder (spade)
10.6 Round tubular stocks
10.7 Non-circular metal rudder stocks
10.8 Simple non-isotropic rudder stocks (e.g. wood
or FRP)
10.9 Complex structural rudders and rudder stocks in
composite
10.10 Check of deflection of Type I rudder stocks
between bearings
11 Equivalent diameter at the level of notches
12 Rudder bearings, pintles and gudgeons
12.1 Bearing arrangement
12.2 Clearance between stock and bearings
13 Rudder stock structure and rudder construction
13.1 Rudder stock structure
13.2 Rudder construction
13.3 FRP rudder blades
13.4 Non-FRP rudder blades
14 Skeg structure
14.1 General
14.2 Design stress
Annex A (normative) - Metal for rudder stock
Annex B (normative) - Complex composite rudder stock
design
Annex C (normative) - Complete calculation for rudders
with skeg
Annex D (informative) - Geometrical properties of some
typical rudder blade shapes
Annex E (informative) - Vertical variation of diameter for
Type I rudders
Annex F (informative) - Type I rudders - Deflection of stock
between bearings
Annex ZA (informative) - Relationship between this International
Standard and the Essential Requirements of EU
Directive 94/25/EC amended by EU Directive 2003/44/EC
Bibliography
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