Club
Certificate
2023

Boat

RAFILU' IV

ITA-17953

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles44.8°41.8°40.6°40.2°40.0°40.0°39.9°
Beat VMG3.103.864.304.514.634.724.80
52°4.795.796.386.636.776.866.95
60°5.086.076.656.897.027.117.20
75°5.246.286.897.187.337.427.54
90°5.176.286.927.297.527.677.86
110°5.126.367.117.517.777.978.28
120°4.886.136.997.487.838.138.64
135°4.235.426.417.107.557.958.77
150°3.534.635.636.497.117.548.31
Run VMG3.054.014.885.666.346.937.74
Gybe Angles144.8°148.7°151.1°155.5°164.6°175.4°179.0°

APH: 600.8

CDL: 8.427

GPH: 679.9

CertNo: 23/1

BOAT
ClassLady HelmsmanDesignerSodergrenBuilderHelmsman YachtsAge date11/1981Series date06/1979Offset fileI17953CL.offData fileI17953
HULL
Length Overall12.000 mMaximum Beam2.690 mDraft1.710 mDisplacement4,700 kgDLR5.3203IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 3 bladesDiameter0.457m
CREW
Maximum weight540 kgMinimum weight405 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.2435.17Headsail Luffed24.6824.68Headsail FlyingSymmetric42.7554.07Asymmetric
STORM SAIL AREAS (m²)
Trysail10.71Storm Jib6.09Heavy Weather Jib16.43
SAIL LIMITS
Headsails5 * Woven polyester sails  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
The owner and any other person in charge is responsible that boat is complying with her certificate in accordance with RRS 78.1 and ORC Rule 304.
ORC Ref  03190002EAPIssued on 20/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RAFILU' IV

ITA-17953

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1162.8932.7836.5798.5777.0762.8750.2
52°752.3621.8564.6543.4532.1525.0517.7
60°708.7593.5541.6522.2512.6506.6499.8
75°687.1573.3522.9501.3491.4484.9477.6
90°696.6572.8520.0494.1478.8469.1458.2
110°703.3566.0506.4479.3463.0451.7434.7
120°737.5587.0514.9481.0459.5442.8416.7
135°851.5664.7561.3506.9476.6452.7410.6
150°1021.2777.1638.9554.5506.3477.7433.2
Run VMG1179.2897.3737.4635.7567.9519.5465.0
Selected Courses
Windward / Leeward1171.0915.0786.9717.1672.4641.2607.6
All purpose888.7707.6620.2576.1549.9532.3510.1
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward751.60.7983
All purpose600.80.9987
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6976
Downwind "popa"0.8397
70% up, 30% down "Ilhabela"0.7349
30% up, 70% down "Ilhabela-inverso"0.7913
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Predominantly Upwind653.20.9185
Predominantly Downwind612.10.9802
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low798.20.7517
Triple Number All Purpose Medium595.21.0081
Triple Number All Purpose High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Predominantly Upwind653.20.9185
Predominantly Downwind612.10.9802
Predominantly Upwind Low883.80.6788
Predominantly Upwind Medium674.40.8896
Predominantly Upwind High627.60.9561
Predominantly Downwind Low891.30.6732
Predominantly Downwind Medium606.00.9901
Predominantly Downwind High491.11.2218
Chicago-Mac Upwind0.9009
Chicago-Mac All Purpose0.9274
Chicago-Mac Downwind0.9595
Bayview-Mac Cove Island0.8586
Bayview-Mac Shore0.8695
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching566.81.0585
Predominantly Reaching Low721.40.8317
Predominantly Reaching Medium560.81.0699
Predominantly Reaching High489.71.2251
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1151.30.5212
5-Band Low / Medium944.00.6356
5-Band Medium731.30.8204
5-Band Medium / High647.20.9270
5-Band High613.40.9781
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance657.7
Triple Number Coastal/Long Distance Low798.2
Triple Number Coastal/Long Distance Medium595.2
Triple Number Coastal/Long Distance High528.4
Triple Number Windward/Leeward Low1042.9
Triple Number Windward/Leeward Medium745.7
Triple Number Windward/Leeward High636.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7517
Triple Number Coastal/Long Distance Medium1.0081
Triple Number Coastal/Long Distance High1.1356
Triple Number Windward/Leeward Low0.5753
Triple Number Windward/Leeward Medium0.8046
Triple Number Windward/Leeward High0.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low798.2
Triple Number Coastal/Long Distance Medium595.2
Triple Number Coastal/Long Distance High528.4
Triple Number Windward/Leeward Low1042.9
Triple Number Windward/Leeward Medium745.7
Triple Number Windward/Leeward High636.4
Predominantly Upwind653.2
Predominantly Downwind612.1
Predominantly Reaching582.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7517
Triple Number Coastal/Long Distance Medium1.0081
Triple Number Coastal/Long Distance High1.1356
Triple Number Windward/Leeward Low0.5753
Triple Number Windward/Leeward Medium0.8046
Triple Number Windward/Leeward High0.9428
Coastal/Long Distance0.9122
Predominantly Upwind0.9185
Predominantly Downwind0.9802
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7517
Tretall Distanseseilas Mellomvind1.0081
Tretall Distanseseilas Mye vind1.1356
Tretall Pølsebane Lite vind0.5753
Tretall Pølsebane Mellomvind0.8046
Tretall Pølsebane Mye vind0.9428
Distanseseilas ett tall (OSN 8-16kn)0.9122
Distanseseilas ett tall (APH 6-20kn)0.9987
Enkeltall Motvind0.9185
Enkeltall Medvind0.9802
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Coastal/Long Distance657.70.9122
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind653.20.9185
Predominantly Downwind612.10.9802
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore617.70.9714
Cape Doctor Coastal516.71.1611
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7517
Triple Number Coastal/Long Distance Medium1.0081
Triple Number Coastal/Long Distance High1.1356
Triple Number Windward/Leeward Low0.5753
Triple Number Windward/Leeward Medium0.8046
Triple Number Windward/Leeward High0.9428
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7517
Triple Number Coastal/Long Distance Medium1.0081
Triple Number Coastal/Long Distance High1.1356
Triple Number Windward/Leeward Low0.5753
Triple Number Windward/Leeward Medium0.8046
Triple Number Windward/Leeward High0.9428
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Predominantly Upwind653.20.9185
Predominantly Downwind612.10.9802
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance657.70.9122
Triple Number Coastal/Long Distance Low798.20.7517
Triple Number Coastal/Long Distance Medium595.21.0081
Triple Number Coastal/Long Distance High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1171.8858.5704.1618.0571.2536.4485.6
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low798.20.7517
Triple Number All Purpose Medium595.21.0081
Triple Number All Purpose High528.41.1356
Triple Number Windward/Leeward Low1042.90.5753
Triple Number Windward/Leeward Medium745.70.8046
Triple Number Windward/Leeward High636.40.9428
Predominantly Upwind653.20.9185
Predominantly Downwind612.10.9802
Predominantly Upwind Low883.80.6788
Predominantly Upwind Medium674.40.8896
Predominantly Upwind High627.60.9561
Predominantly Downwind Low891.30.6732
Predominantly Downwind Medium606.00.9901
Predominantly Downwind High491.11.2218
Chicago-Mac Upwind0.9009
Chicago-Mac All Purpose0.9274
Chicago-Mac Downwind0.9595
Bayview-Mac Cove Island0.8586
Bayview-Mac Shore0.8695
Harvest Moon Regatta511.01.1743
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy625.50.9592
San Francisco Bay Medium737.20.8139
Predominantly Reaching566.81.0585
Predominantly Reaching Low721.40.8317
Predominantly Reaching Medium560.81.0699
Predominantly Reaching High489.71.2251
Windward/Leeward 60-40 Low1043.90.5747
Windward/Leeward 60-40 Medium770.00.7792
Windward/Leeward 60-40 High679.00.8836
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1151.30.5212
5-Band Low / Medium944.00.6356
5-Band Medium731.30.8204
5-Band Medium / High647.20.9270
5-Band High613.40.9781
ORC Ref  03190002EAPIssued on 20/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RAFILU' IV

ITA-17953

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassLady HelmsmanMeasurement17/03/2023HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA12.000Max. Beam2.690Draft1.710Displacement4,700Wetted area22.51IMS L9.860LSM09.594Acc. length8.742Sink (kg/mm) 15.65
VCGD-0.050VCGM-0.008RM Rated (kg·m) 55.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.457PBW0.120PIPA0.0257
EDL1.800ST10.048ST20.170
ST30.170ST40.098ST50.275
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingYesFiber riggingNoRunners/Checkstays1Spreaders1Rotating mastNo
P13.900IG11.000ISP11.010MDT10.120MDL10.210MDT20.120MDL20.150TL2.800MW0.210GO0.220
E4.400J3.550BAS1.050FSDNo FoilSFJ0.900SPL4.100WPLTPSBD0.200MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.050Flotation Date17/03/2023MeasurerComment
SFFP1.171FFMFF0.817LCFcl6.623SG1.0260
SAFP10.374FAMFA0.764LCFsh6.751HBI0.781
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002EAPIssued on 20/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RAFILU' IV

ITA-17953

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.160.821.472.603.5034.2415/03/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.060.421.102.553.704.6410.30NoNo 24.6815/03/2023
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentA11.3011.3011.304.544.5442.7515/03/2023
ORC Ref  03190002EAPIssued on 20/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org