Club
Certificate
2023

Boat

MAR CLARA UNO

ESP-6175_C

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 Angles43.2°41.2°39.6°38.8°38.4°38.4°38.8°
Beat VMG3.283.994.474.704.804.854.85
52°5.005.926.466.736.846.906.94
60°5.266.156.666.927.047.127.19
75°5.446.326.817.107.317.467.61
90°5.336.266.867.187.437.688.03
110°5.306.407.027.457.838.158.57
120°5.146.266.957.417.858.289.14
135°4.615.776.627.147.598.059.11
150°3.915.015.916.546.957.277.95
Run VMG3.394.345.125.676.026.527.28
Gybe Angles144.8°146.9°147.6°148.3°150.1°173.0°176.3°

APH: 590.0

CDL: 8.259

GPH: 661.9

CertNo: 617501

BOAT
ClassFIRST 31.7DesignerFINOTBuilderBENETEAUAge date08/2000Series date09/1998Offset fileFIRST317.offData fileE6175_C
HULL
Length Overall9.490 mMaximum Beam3.212 mDraft1.922 mDisplacement3,712 kgDLR5.2112IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.300m
CREW
Maximum weight300 kgMinimum weight215 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail25.8526.52Headsail Luffed31.0831.08Headsail FlyingSymmetricAsymmetric70.7070.70 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail7.38Storm Jib6.85Heavy Weather Jib18.49
SAIL LIMITS
Headsails1  Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
MEDIDAS ESTIMADAS
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  03510002NS6Issued on 07/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MAR CLARA UNO

ESP-6175_C

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 VMG1097.8901.7806.1765.8749.3741.6741.6
52°720.3608.3557.0535.2526.4521.6518.4
60°684.0585.0540.8520.5511.0505.5501.0
75°661.4569.9528.9507.0492.2482.8472.9
90°675.0574.8524.5501.3484.6469.1448.3
110°679.2562.6513.0483.5460.0441.9419.9
120°701.0574.9518.3485.7458.3434.6394.1
135°780.4623.7543.9504.0474.1447.1395.1
150°920.6718.9609.3550.1518.3495.0453.0
Run VMG1063.0830.1703.6635.3598.3551.7494.8
Selected Courses
Windward / Leeward1080.4865.9754.9700.5673.8646.7618.2
All purpose833.1681.5606.4569.3548.2530.7508.2
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward732.10.8196
All purpose590.01.0170
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7237
Downwind "popa"0.8612
70% up, 30% down "Ilhabela"0.7601
30% up, 70% down "Ilhabela-inverso"0.8148
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Predominantly Upwind637.80.9407
Predominantly Downwind599.71.0006
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low757.30.7923
Triple Number All Purpose Medium585.81.0243
Triple Number All Purpose High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Predominantly Upwind637.80.9407
Predominantly Downwind599.71.0006
Predominantly Upwind Low841.20.7133
Predominantly Upwind Medium657.70.9122
Predominantly Upwind High618.40.9702
Predominantly Downwind Low828.40.7243
Predominantly Downwind Medium596.91.0053
Predominantly Downwind High502.21.1948
Chicago-Mac Upwind0.9244
Chicago-Mac All Purpose0.9518
Chicago-Mac Downwind0.9838
Bayview-Mac Cove Island0.8863
Bayview-Mac Shore0.8957
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching559.61.0722
Predominantly Reaching Low688.20.8719
Predominantly Reaching Medium553.71.0836
Predominantly Reaching High486.71.2329
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1063.80.5640
5-Band Low / Medium889.50.6745
5-Band Medium714.40.8398
5-Band Medium / High651.10.9215
5-Band High623.20.9628
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance642.2
Triple Number Coastal/Long Distance Low757.3
Triple Number Coastal/Long Distance Medium585.8
Triple Number Coastal/Long Distance High526.6
Triple Number Windward/Leeward Low973.1
Triple Number Windward/Leeward Medium725.8
Triple Number Windward/Leeward High642.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7923
Triple Number Coastal/Long Distance Medium1.0243
Triple Number Coastal/Long Distance High1.1393
Triple Number Windward/Leeward Low0.6166
Triple Number Windward/Leeward Medium0.8267
Triple Number Windward/Leeward High0.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low757.3
Triple Number Coastal/Long Distance Medium585.8
Triple Number Coastal/Long Distance High526.6
Triple Number Windward/Leeward Low973.1
Triple Number Windward/Leeward Medium725.8
Triple Number Windward/Leeward High642.8
Predominantly Upwind637.8
Predominantly Downwind599.7
Predominantly Reaching573.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7923
Triple Number Coastal/Long Distance Medium1.0243
Triple Number Coastal/Long Distance High1.1393
Triple Number Windward/Leeward Low0.6166
Triple Number Windward/Leeward Medium0.8267
Triple Number Windward/Leeward High0.9334
Coastal/Long Distance0.9343
Predominantly Upwind0.9407
Predominantly Downwind1.0006
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7923
Tretall Distanseseilas Mellomvind1.0243
Tretall Distanseseilas Mye vind1.1393
Tretall Pølsebane Lite vind0.6166
Tretall Pølsebane Mellomvind0.8267
Tretall Pølsebane Mye vind0.9334
Distanseseilas ett tall (OSN 8-16kn)0.9343
Distanseseilas ett tall (APH 6-20kn)1.0170
Enkeltall Motvind0.9407
Enkeltall Medvind1.0006
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Coastal/Long Distance642.20.9343
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind637.80.9407
Predominantly Downwind599.71.0006
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore626.80.9573
Cape Doctor Coastal514.91.1652
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7923
Triple Number Coastal/Long Distance Medium1.0243
Triple Number Coastal/Long Distance High1.1393
Triple Number Windward/Leeward Low0.6166
Triple Number Windward/Leeward Medium0.8267
Triple Number Windward/Leeward High0.9334
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7923
Triple Number Coastal/Long Distance Medium1.0243
Triple Number Coastal/Long Distance High1.1393
Triple Number Windward/Leeward Low0.6166
Triple Number Windward/Leeward Medium0.8267
Triple Number Windward/Leeward High0.9334
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Predominantly Upwind637.80.9407
Predominantly Downwind599.71.0006
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance642.20.9343
Triple Number Coastal/Long Distance Low757.30.7923
Triple Number Coastal/Long Distance Medium585.81.0243
Triple Number Coastal/Long Distance High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1078.6815.4681.8608.6570.1536.1482.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low757.30.7923
Triple Number All Purpose Medium585.81.0243
Triple Number All Purpose High526.61.1393
Triple Number Windward/Leeward Low973.10.6166
Triple Number Windward/Leeward Medium725.80.8267
Triple Number Windward/Leeward High642.80.9334
Predominantly Upwind637.80.9407
Predominantly Downwind599.71.0006
Predominantly Upwind Low841.20.7133
Predominantly Upwind Medium657.70.9122
Predominantly Upwind High618.40.9702
Predominantly Downwind Low828.40.7243
Predominantly Downwind Medium596.91.0053
Predominantly Downwind High502.21.1948
Chicago-Mac Upwind0.9244
Chicago-Mac All Purpose0.9518
Chicago-Mac Downwind0.9838
Bayview-Mac Cove Island0.8863
Bayview-Mac Shore0.8957
Harvest Moon Regatta510.61.1750
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy624.00.9615
San Francisco Bay Medium713.40.8411
Predominantly Reaching559.61.0722
Predominantly Reaching Low688.20.8719
Predominantly Reaching Medium553.71.0836
Predominantly Reaching High486.71.2329
Windward/Leeward 60-40 Low978.40.6132
Windward/Leeward 60-40 Medium746.40.8038
Windward/Leeward 60-40 High677.10.8862
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1063.80.5640
5-Band Low / Medium889.50.6745
5-Band Medium714.40.8398
5-Band Medium / High651.10.9215
5-Band High623.20.9628
ORC Ref  03510002NS6Issued on 07/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MAR CLARA UNO

ESP-6175_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 31.7MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.490Max. Beam3.212Draft1.922Displacement3,712Wetted area20.44IMS L8.915LSM08.930Acc. length9.610Sink (kg/mm) 15.77
VCGD-0.005VCGM-0.043RM Rated (kg·m) 88.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0095
EDL0.995ST10.047ST2
ST3ST40.100ST50.241
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P10.800IG11.700ISP11.900MDT10.100MDL10.110MDT2MDL2TLMWGO
E3.900J3.500BAS1.700FSD0.035SFJ0.055SPL3.600WPLTPS4.500BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered90.0Flotation Date01/01/2010MeasurerComment
SFFP0.303FFMFF1.196LCFcl5.351SG
SAFP8.732FAMFA0.956LCFsh5.583HBI1.071
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002NS6Issued on 07/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

MAR CLARA UNO

ESP-6175_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC25.85* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC5.00NoNo 31.08* Copied from legacy *
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment111.79NaN70.70
ORC Ref  03510002NS6Issued on 07/06/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org