Club
Certificate
2023

Boat

ROSENDA

NED-1583_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 Angles44.4°42.4°41.4°41.2°41.4°41.4°42.0°
Beat VMG2.372.913.303.583.753.823.85
52°3.664.394.915.295.515.625.70
60°3.874.595.125.485.695.815.91
75°4.004.795.305.655.876.026.20
90°4.395.225.695.875.986.106.38
110°4.505.365.856.136.336.466.67
120°4.375.265.806.126.396.616.95
135°3.984.895.555.956.266.557.12
150°3.444.355.105.645.996.276.83
Run VMG2.983.774.455.055.555.906.43
Gybe Angles147.8°152.0°155.6°164.6°176.6°179.0°179.0°

APH: 732.3

CDL: 5.357

GPH: 824.7

CertNo: 158301

BOAT
ClassMARIEHOLM 26DesignerSUNDEN TordBuilderMARIEHOLMAge date01/1978Series date01/1967Offset fileMH26.OFFData fileNED1583_C
HULL
Length Overall7.860 mMaximum Beam2.204 mDraft1.215 mDisplacement2,524 kgDLR10.5345IMS DivisionCruiser/RacerDynamic Allowance0.630%Age Allowance0.487%
PROPELLER
InstallationIn ApertureTypeSolid 2 bladesDiameter0.300m
CREW
Maximum weight214 kgMinimum weight129 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail16.0116.26Headsail Luffed11.1911.19Headsail FlyingSymmetric44.6944.69Asymmetric
STORM SAIL AREAS (m²)
Trysail5.00Storm Jib3.86Heavy Weather Jib10.41
SAIL LIMITS
Headsails5 * Woven polyester sails  Spinnakers4
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  03510002SKWIssued on 21/09/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ROSENDA

NED-1583_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 VMG1516.51235.41091.51006.0960.3941.7935.0
52°983.1820.6733.4680.9653.5640.2632.1
60°931.3784.4703.1657.1632.6619.3609.1
75°900.1750.9678.8637.5613.5598.4580.8
90°820.6689.6633.2613.2602.0589.7564.3
110°799.8671.3615.8587.5568.7557.1539.3
120°823.8683.9621.1587.9563.8544.4517.7
135°903.9736.9648.3605.2575.3549.7505.8
150°1047.5828.1706.1638.1601.4574.1527.2
Run VMG1209.5954.6809.5713.5649.2610.4559.5
Selected Courses
Windward / Leeward1363.01095.0950.5859.7804.7776.1747.3
All purpose1049.9858.7760.0703.8671.0651.6627.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward901.60.6655
All purpose732.30.8194
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.5464
Downwind "popa"0.7628
70% up, 30% down "Ilhabela"0.5972
30% up, 70% down "Ilhabela-inverso"0.6818
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Predominantly Upwind811.30.7396
Predominantly Downwind720.60.8326
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low954.40.6287
Triple Number All Purpose Medium727.30.8250
Triple Number All Purpose High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Predominantly Upwind811.30.7396
Predominantly Downwind720.60.8326
Predominantly Upwind Low1107.40.5418
Predominantly Upwind Medium852.70.7037
Predominantly Upwind High774.00.7752
Predominantly Downwind Low993.10.6042
Predominantly Downwind Medium698.30.8592
Predominantly Downwind High590.31.0164
Chicago-Mac Upwind0.7231
Chicago-Mac All Purpose0.7661
Chicago-Mac Downwind0.8183
Bayview-Mac Cove Island0.7047
Bayview-Mac Shore0.7032
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching688.80.8711
Predominantly Reaching Low847.30.7082
Predominantly Reaching Medium679.20.8834
Predominantly Reaching High601.60.9974
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1342.40.4470
5-Band Low / Medium1121.20.5351
5-Band Medium878.30.6831
5-Band Medium / High783.00.7662
5-Band High752.30.7976
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance796.8
Triple Number Coastal/Long Distance Low954.4
Triple Number Coastal/Long Distance Medium727.3
Triple Number Coastal/Long Distance High647.6
Triple Number Windward/Leeward Low1229.0
Triple Number Windward/Leeward Medium895.9
Triple Number Windward/Leeward High772.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6287
Triple Number Coastal/Long Distance Medium0.8250
Triple Number Coastal/Long Distance High0.9265
Triple Number Windward/Leeward Low0.4882
Triple Number Windward/Leeward Medium0.6697
Triple Number Windward/Leeward High0.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low954.4
Triple Number Coastal/Long Distance Medium727.3
Triple Number Coastal/Long Distance High647.6
Triple Number Windward/Leeward Low1229.0
Triple Number Windward/Leeward Medium895.9
Triple Number Windward/Leeward High772.4
Predominantly Upwind811.3
Predominantly Downwind720.6
Predominantly Reaching699.3
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6287
Triple Number Coastal/Long Distance Medium0.8250
Triple Number Coastal/Long Distance High0.9265
Triple Number Windward/Leeward Low0.4882
Triple Number Windward/Leeward Medium0.6697
Triple Number Windward/Leeward High0.7768
Coastal/Long Distance0.7530
Predominantly Upwind0.7396
Predominantly Downwind0.8326
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6287
Tretall Distanseseilas Mellomvind0.8250
Tretall Distanseseilas Mye vind0.9265
Tretall Pølsebane Lite vind0.4882
Tretall Pølsebane Mellomvind0.6697
Tretall Pølsebane Mye vind0.7768
Distanseseilas ett tall (OSN 8-16kn)0.7530
Distanseseilas ett tall (APH 6-20kn)0.8194
Enkeltall Motvind0.7396
Enkeltall Medvind0.8326
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Coastal/Long Distance796.80.7530
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind811.30.7396
Predominantly Downwind720.60.8326
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore755.90.7937
Cape Doctor Coastal635.00.9448
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6287
Triple Number Coastal/Long Distance Medium0.8250
Triple Number Coastal/Long Distance High0.9265
Triple Number Windward/Leeward Low0.4882
Triple Number Windward/Leeward Medium0.6697
Triple Number Windward/Leeward High0.7768
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6287
Triple Number Coastal/Long Distance Medium0.8250
Triple Number Coastal/Long Distance High0.9265
Triple Number Windward/Leeward Low0.4882
Triple Number Windward/Leeward Medium0.6697
Triple Number Windward/Leeward High0.7768
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Predominantly Upwind811.30.7396
Predominantly Downwind720.60.8326
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance796.80.7530
Triple Number Coastal/Long Distance Low954.40.6287
Triple Number Coastal/Long Distance Medium727.30.8250
Triple Number Coastal/Long Distance High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1347.71025.3855.2752.6696.0656.7596.7
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low954.40.6287
Triple Number All Purpose Medium727.30.8250
Triple Number All Purpose High647.60.9265
Triple Number Windward/Leeward Low1229.00.4882
Triple Number Windward/Leeward Medium895.90.6697
Triple Number Windward/Leeward High772.40.7768
Predominantly Upwind811.30.7396
Predominantly Downwind720.60.8326
Predominantly Upwind Low1107.40.5418
Predominantly Upwind Medium852.70.7037
Predominantly Upwind High774.00.7752
Predominantly Downwind Low993.10.6042
Predominantly Downwind Medium698.30.8592
Predominantly Downwind High590.31.0164
Chicago-Mac Upwind0.7231
Chicago-Mac All Purpose0.7661
Chicago-Mac Downwind0.8183
Bayview-Mac Cove Island0.7047
Bayview-Mac Shore0.7032
Harvest Moon Regatta626.80.9573
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy763.50.7859
San Francisco Bay Medium894.60.6707
Predominantly Reaching688.80.8711
Predominantly Reaching Low847.30.7082
Predominantly Reaching Medium679.20.8834
Predominantly Reaching High601.60.9974
Windward/Leeward 60-40 Low1258.40.4768
Windward/Leeward 60-40 Medium945.60.6345
Windward/Leeward 60-40 High830.80.7222
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1342.40.4470
5-Band Low / Medium1121.20.5351
5-Band Medium878.30.6831
5-Band Medium / High783.00.7662
5-Band High752.30.7976
ORC Ref  03510002SKWIssued on 21/09/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ROSENDA

NED-1583_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassMARIEHOLM 26MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.860Max. Beam2.204Draft1.215Displacement2,524Wetted area16.13IMS L6.308LSM06.210Acc. length7.163Sink (kg/mm) 8.67
VCGD-0.212VCGM-0.208RM Rated (kg·m) 29.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.300PBWPIPA0.0044
APHAPTAPB
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P8.600IG8.780ISP10.000MDT10.081MDL10.120MDT2MDL2TLMWGO
E3.320J2.800BAS1.000FSD0.050SFJ0.250SPL3.020WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.220Flotation Date01/01/2010MeasurerComment
SFFP0.400FFMFF0.846LCFcl4.291SG
SAFP7.830FAMFA0.664LCFsh4.438HBI0.664
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002SKWIssued on 21/09/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ROSENDA

NED-1583_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.130.621.071.932.7116.0110/02/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0010.080.420.761.442.092.717.91NoNo 11.1910/02/2020
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment0010.0044.69
ORC Ref  03510002SKWIssued on 21/09/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org