International
Certificate
2023

Boat

ORBALLO UNO

ESP-5561

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.6°41.2°39.6°38.8°38.2°38.2°38.8°
Beat VMG3.203.914.404.694.794.844.84
52°4.895.806.376.686.806.876.90
60°5.156.046.576.867.017.087.13
75°5.316.216.727.027.247.397.54
90°5.186.196.817.147.337.577.92
110°5.176.276.917.327.698.008.42
120°4.986.096.817.267.678.068.83
135°4.455.586.436.977.387.808.68
150°3.774.845.726.466.957.338.10
Run VMG3.274.194.975.676.286.787.52
Gybe Angles144.8°146.9°153.2°157.7°169.4°177.2°179.0°

APH: 597.2

CDL: 8.245

GPH: 672.5

CertNo: 556103

BOAT
ClassFIRST 31.7DesignerFINOTBuilderBENETEAUAge date07/1999Series date09/1998Offset fileFIRST317.offData fileE5561
HULL
Length Overall9.490 mMaximum Beam3.212 mDraft1.924 mDisplacement3,664 kgDLR5.3190IMS DivisionCruiser/RacerDynamic Allowance0.310%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.385m
CREW
Maximum weight470 kgMinimum weight353 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail24.4925.04Headsail Luffed26.9926.99Headsail FlyingSymmetric57.0857.08Asymmetric59.2659.26 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail7.16Storm Jib6.89Heavy Weather Jib18.60
SAIL LIMITS
Headsails1  Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment68.8 kg·mStability Index104.7
COMMENTS
DACRON LAMINADO: NO BONIF
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  03510002QPWIssued on 27/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

ORBALLO UNO

ESP-5561

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1126.3921.6817.5768.1750.9743.2744.2
52°736.4620.6564.8539.2529.2524.3521.6
60°698.8595.7548.2525.1513.9508.7504.7
75°677.9579.6535.8512.5497.1486.9477.7
90°694.5581.3528.9504.2491.2475.5454.5
110°696.3573.9520.9491.6468.3450.0427.3
120°723.1591.0528.7495.9469.5446.5407.5
135°808.2645.3559.8516.3487.5461.8414.8
150°954.2744.4629.1557.6517.8490.8444.4
Run VMG1101.8859.6724.5634.6573.1530.6478.9
Selected Courses
Windward / Leeward1114.0890.6771.0701.3662.0636.9611.5
All purpose857.5698.4617.9574.0549.4532.3510.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward736.00.8152
All purpose597.21.0048
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7153
Downwind "popa"0.8566
70% up, 30% down "Ilhabela"0.7525
30% up, 70% down "Ilhabela-inverso"0.8087
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Predominantly Upwind645.50.9295
Predominantly Downwind608.50.9860
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low778.00.7712
Triple Number All Purpose Medium592.91.0120
Triple Number All Purpose High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Predominantly Upwind645.50.9295
Predominantly Downwind608.50.9860
Predominantly Upwind Low862.70.6955
Predominantly Upwind Medium663.90.9037
Predominantly Upwind High621.00.9661
Predominantly Downwind Low855.10.7017
Predominantly Downwind Medium604.30.9929
Predominantly Downwind High498.71.2031
Chicago-Mac Upwind0.9122
Chicago-Mac All Purpose0.9371
Chicago-Mac Downwind0.9673
Bayview-Mac Cove Island0.8690
Bayview-Mac Shore0.8791
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching567.61.0570
Predominantly Reaching Low706.70.8491
Predominantly Reaching Medium562.41.0668
Predominantly Reaching High494.01.2145
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1096.80.5470
5-Band Low / Medium913.20.6570
5-Band Medium716.80.8371
5-Band Medium / High642.30.9341
5-Band High615.90.9741
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance650.4
Triple Number Coastal/Long Distance Low778.0
Triple Number Coastal/Long Distance Medium592.9
Triple Number Coastal/Long Distance High528.5
Triple Number Windward/Leeward Low1002.3
Triple Number Windward/Leeward Medium730.5
Triple Number Windward/Leeward High633.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7712
Triple Number Coastal/Long Distance Medium1.0120
Triple Number Coastal/Long Distance High1.1353
Triple Number Windward/Leeward Low0.5986
Triple Number Windward/Leeward Medium0.8214
Triple Number Windward/Leeward High0.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low778.0
Triple Number Coastal/Long Distance Medium592.9
Triple Number Coastal/Long Distance High528.5
Triple Number Windward/Leeward Low1002.3
Triple Number Windward/Leeward Medium730.5
Triple Number Windward/Leeward High633.6
Predominantly Upwind645.5
Predominantly Downwind608.5
Predominantly Reaching582.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7712
Triple Number Coastal/Long Distance Medium1.0120
Triple Number Coastal/Long Distance High1.1353
Triple Number Windward/Leeward Low0.5986
Triple Number Windward/Leeward Medium0.8214
Triple Number Windward/Leeward High0.9469
Coastal/Long Distance0.9226
Predominantly Upwind0.9295
Predominantly Downwind0.9860
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7712
Tretall Distanseseilas Mellomvind1.0120
Tretall Distanseseilas Mye vind1.1353
Tretall Pølsebane Lite vind0.5986
Tretall Pølsebane Mellomvind0.8214
Tretall Pølsebane Mye vind0.9469
Distanseseilas ett tall (OSN 8-16kn)0.9226
Distanseseilas ett tall (APH 6-20kn)1.0048
Enkeltall Motvind0.9295
Enkeltall Medvind0.9860
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Coastal/Long Distance650.40.9226
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind645.50.9295
Predominantly Downwind608.50.9860
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore619.10.9691
Cape Doctor Coastal517.21.1601
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7712
Triple Number Coastal/Long Distance Medium1.0120
Triple Number Coastal/Long Distance High1.1353
Triple Number Windward/Leeward Low0.5986
Triple Number Windward/Leeward Medium0.8214
Triple Number Windward/Leeward High0.9469
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7712
Triple Number Coastal/Long Distance Medium1.0120
Triple Number Coastal/Long Distance High1.1353
Triple Number Windward/Leeward Low0.5986
Triple Number Windward/Leeward Medium0.8214
Triple Number Windward/Leeward High0.9469
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Predominantly Upwind645.50.9295
Predominantly Downwind608.50.9860
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance650.40.9226
Triple Number Coastal/Long Distance Low778.00.7712
Triple Number Coastal/Long Distance Medium592.91.0120
Triple Number Coastal/Long Distance High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1112.8838.1695.6612.8570.5537.7485.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low778.00.7712
Triple Number All Purpose Medium592.91.0120
Triple Number All Purpose High528.51.1353
Triple Number Windward/Leeward Low1002.30.5986
Triple Number Windward/Leeward Medium730.50.8214
Triple Number Windward/Leeward High633.60.9469
Predominantly Upwind645.50.9295
Predominantly Downwind608.50.9860
Predominantly Upwind Low862.70.6955
Predominantly Upwind Medium663.90.9037
Predominantly Upwind High621.00.9661
Predominantly Downwind Low855.10.7017
Predominantly Downwind Medium604.30.9929
Predominantly Downwind High498.71.2031
Chicago-Mac Upwind0.9122
Chicago-Mac All Purpose0.9371
Chicago-Mac Downwind0.9673
Bayview-Mac Cove Island0.8690
Bayview-Mac Shore0.8791
Harvest Moon Regatta515.91.1631
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy621.90.9648
San Francisco Bay Medium723.70.8291
Predominantly Reaching567.61.0570
Predominantly Reaching Low706.70.8491
Predominantly Reaching Medium562.41.0668
Predominantly Reaching High494.01.2145
Windward/Leeward 60-40 Low1006.70.5960
Windward/Leeward 60-40 Medium751.80.7981
Windward/Leeward 60-40 High671.70.8932
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1096.80.5470
5-Band Low / Medium913.20.6570
5-Band Medium716.80.8371
5-Band Medium / High642.30.9341
5-Band High615.90.9741
ORC Ref  03510002QPWIssued on 27/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

ORBALLO UNO

ESP-5561

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 31.7Measurement24/07/2002HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.490Max. Beam3.212Draft1.924Displacement3,664Wetted area20.22IMS L8.931LSM08.831Acc. length9.610Sink (kg/mm) 15.55
VCGD0.266VCGM0.229RM Rated (kg·m) 68.8Limit of positive stability(°) 106.7Stability Index104.7
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.385PBW0.004PIPA0.0028
EDL0.995ST10.041ST2
ST3ST40.095ST50.241
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P10.620IG11.635ISP11.800MDT10.100MDL10.160MDT20.100MDL20.160TLMW0.160GO0.190
E3.850J3.490BAS1.690FSD0.030SFJ0.060SPL3.455WPLTPS3.550BD0.109MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date19/05/2023MeasurerESP 851Comment
SFFP0.303FFM1.178FF1.177LCFcl5.283SG1.0270
SAFP8.732FAM0.973FA0.974LCFsh5.517HBI1.066
W147.6W247.6W347.6W447.6
PD1543.1PD2542.2PD3540.8PD4539.9
WD9.950PLM9000.00GSA1.0RSA1.0RM68.9
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCGWATAGUA PLASTICOWater15002.00TERTERMO METALICOWater3006.80GASGASOIL METALICO0.900030106.70Total deductible96.70
OTHER ITEMSIdKindDescriptionWeightLCGVCGBAT-1Battery70 Ah6.00BAT-2Battery70 Ah6.00ENGEngineVOLVOTotal deductible
ORC Ref  03510002QPWIssued on 27/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

International
Certificate
2023

Boat

ORBALLO UNO

ESP-5561

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.811.482.493.2624.4902/01/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0010.070.621.172.353.624.9211.18NoNo 26.9919/06/2023G1
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC11.5711.5711.576.045.4457.0819/05/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment012.8810.7011.795.856.7687%59.2630/06/2023
ORC Ref  03510002QPWIssued on 27/07/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org