Club
Certificate
2023

Boat

WILLIAM MARTIN

ESP-738_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 Angles41.1°39.0°37.8°37.6°38.1°38.1°39.0°
Beat VMG3.103.623.883.974.014.033.99
52°4.585.165.425.545.605.635.65
60°4.755.285.535.675.745.795.83
75°4.845.365.635.815.956.046.14
90°4.745.345.655.876.056.206.41
110°4.755.465.816.086.306.446.66
120°4.635.405.806.106.376.606.96
135°4.245.105.615.956.276.577.18
150°3.674.575.265.685.996.286.88
Run VMG3.173.964.625.185.595.896.44
Gybe Angles148.4°152.0°157.3°171.8°178.1°179.0°179.0°

APH: 692.0

CDL: 5.564

GPH: 764.1

CertNo: 73801

BOAT
ClassELVSTROM 1/4 TONDesignerP. ELVSTROMBuilderFIBRESTERAge date01/1976Series date01/1976Offset fileE225.OFFData fileE738_C
HULL
Length Overall7.530 mMaximum Beam2.640 mDraft1.471 mDisplacement1,732 kgDLR9.6834IMS DivisionPerformanceDynamic Allowance0.220%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight230 kgMinimum weight145 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail12.9313.08Headsail Luffed21.6821.68Headsail FlyingSymmetric45.4345.43Asymmetric
STORM SAIL AREAS (m²)
Trysail3.88Storm Jib4.94Heavy Weather Jib13.33
SAIL LIMITS
Headsails5 * Woven polyester sails  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
MOTOR FUERABORDA.
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  03510002B6UIssued on 20/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WILLIAM MARTIN

ESP-738_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 VMG1161.0993.6927.7906.1897.2893.4901.8
52°786.3697.7664.4649.7642.9639.0637.5
60°758.4681.7651.0635.1626.7621.4617.6
75°744.5671.3639.3619.2605.3596.1586.1
90°760.1674.0637.3613.6595.3581.1561.9
110°758.1659.9619.1592.0571.8558.8540.2
120°778.2666.9621.1589.8565.5545.4517.5
135°848.3706.2641.6604.7574.5548.0501.1
150°982.1787.8684.2634.1601.2573.1523.1
Run VMG1134.0908.3778.5695.4644.1610.8558.6
Selected Courses
Windward / Leeward1147.5950.9853.1800.7770.6752.1730.2
All purpose902.8769.0707.4675.0654.6640.1620.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward829.20.7236
All purpose692.00.8671
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6287
Downwind "popa"0.7881
70% up, 30% down "Ilhabela"0.6693
30% up, 70% down "Ilhabela-inverso"0.7323
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Predominantly Upwind747.20.8029
Predominantly Downwind690.80.8686
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low835.90.7178
Triple Number All Purpose Medium688.50.8714
Triple Number All Purpose High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Predominantly Upwind747.20.8029
Predominantly Downwind690.80.8686
Predominantly Upwind Low919.90.6523
Predominantly Upwind Medium776.20.7730
Predominantly Upwind High750.50.7995
Predominantly Downwind Low905.40.6627
Predominantly Downwind Medium681.70.8801
Predominantly Downwind High586.51.0231
Chicago-Mac Upwind0.7908
Chicago-Mac All Purpose0.8204
Chicago-Mac Downwind0.8553
Bayview-Mac Cove Island0.7771
Bayview-Mac Shore0.7803
Victoria-Maui0.9136
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance745.1
Triple Number Coastal/Long Distance Low835.9
Triple Number Coastal/Long Distance Medium688.5
Triple Number Coastal/Long Distance High636.5
Triple Number Windward/Leeward Low1049.1
Triple Number Windward/Leeward Medium823.2
Triple Number Windward/Leeward High748.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7178
Triple Number Coastal/Long Distance Medium0.8714
Triple Number Coastal/Long Distance High0.9427
Triple Number Windward/Leeward Low0.5719
Triple Number Windward/Leeward Medium0.7289
Triple Number Windward/Leeward High0.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low835.9
Triple Number Coastal/Long Distance Medium688.5
Triple Number Coastal/Long Distance High636.5
Triple Number Windward/Leeward Low1049.1
Triple Number Windward/Leeward Medium823.2
Triple Number Windward/Leeward High748.5
Predominantly Upwind747.2
Predominantly Downwind690.8
Predominantly Reaching672.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7178
Triple Number Coastal/Long Distance Medium0.8714
Triple Number Coastal/Long Distance High0.9427
Triple Number Windward/Leeward Low0.5719
Triple Number Windward/Leeward Medium0.7289
Triple Number Windward/Leeward High0.8016
Coastal/Long Distance0.8053
Predominantly Upwind0.8029
Predominantly Downwind0.8686
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7178
Tretall Distanseseilas Mellomvind0.8714
Tretall Distanseseilas Mye vind0.9427
Tretall Pølsebane Lite vind0.5719
Tretall Pølsebane Mellomvind0.7289
Tretall Pølsebane Mye vind0.8016
Distanseseilas ett tall (OSN 8-16kn)0.8053
Distanseseilas ett tall (APH 6-20kn)0.8671
Enkeltall Motvind0.8029
Enkeltall Medvind0.8686
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Coastal/Long Distance745.10.8053
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind747.20.8029
Predominantly Downwind690.80.8686
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore736.80.8143
Cape Doctor Coastal626.60.9576
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7178
Triple Number Coastal/Long Distance Medium0.8714
Triple Number Coastal/Long Distance High0.9427
Triple Number Windward/Leeward Low0.5719
Triple Number Windward/Leeward Medium0.7289
Triple Number Windward/Leeward High0.8016
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7178
Triple Number Coastal/Long Distance Medium0.8714
Triple Number Coastal/Long Distance High0.9427
Triple Number Windward/Leeward Low0.5719
Triple Number Windward/Leeward Medium0.7289
Triple Number Windward/Leeward High0.8016
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Predominantly Upwind747.20.8029
Predominantly Downwind690.80.8686
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance745.10.8053
Triple Number Coastal/Long Distance Low835.90.7178
Triple Number Coastal/Long Distance Medium688.50.8714
Triple Number Coastal/Long Distance High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1146.2901.3782.2716.4678.0646.3594.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low835.90.7178
Triple Number All Purpose Medium688.50.8714
Triple Number All Purpose High636.50.9427
Triple Number Windward/Leeward Low1049.10.5719
Triple Number Windward/Leeward Medium823.20.7289
Triple Number Windward/Leeward High748.50.8016
Predominantly Upwind747.20.8029
Predominantly Downwind690.80.8686
Predominantly Upwind Low919.90.6523
Predominantly Upwind Medium776.20.7730
Predominantly Upwind High750.50.7995
Predominantly Downwind Low905.40.6627
Predominantly Downwind Medium681.70.8801
Predominantly Downwind High586.51.0231
Chicago-Mac Upwind0.7908
Chicago-Mac All Purpose0.8204
Chicago-Mac Downwind0.8553
Bayview-Mac Cove Island0.7771
Bayview-Mac Shore0.7803
Harvest Moon Regatta612.00.9804
Victoria-Maui0.9136
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy738.00.8130
San Francisco Bay Medium816.80.7346
Predominantly Reaching0.9059
Predominantly Reaching Low0.7786
Predominantly Reaching Medium0.9143
Predominantly Reaching High1.0072
Windward/Leeward 60-40 Low1054.80.5688
Windward/Leeward 60-40 Medium855.60.7013
Windward/Leeward 60-40 High799.20.7507
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1132.40.5299
5-Band Low / Medium973.50.6164
5-Band Medium812.80.7382
5-Band Medium / High755.60.7940
5-Band High734.00.8174
ORC Ref  03510002B6UIssued on 20/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WILLIAM MARTIN

ESP-738_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassELVSTROM 1/4 TONMeasurement20/01/2020HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.530Max. Beam2.640Draft1.471Displacement1,732Wetted area10.84IMS L5.695LSM05.634Acc. length7.530Sink (kg/mm) 7.36
VCGD0.065VCGM-0.079RM Rated (kg·m) 21.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders1Rotating mastNo
P8.920IG9.779ISP9.961MDT10.090MDL10.127MDT20.090MDL20.127TLMW0.127GO0.175
E2.480J3.090BAS0.954FSD0.025SFJ0.470SPL3.235WPLTPSBD0.085MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered23.0Flotation Date01/01/2010MeasurerComment
SFFP0.766FFMFF0.798LCFcl4.356SG
SAFP7.057FAMFA0.719LCFsh4.549HBI0.743
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002B6UIssued on 20/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

WILLIAM MARTIN

ESP-738_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.140.540.941.561.9912.9310/09/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.561.062.153.284.409.93NoNo 21.6810/09/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment0029.849.849.845.605.3045.4310/09/2022
ORC Ref  03510002B6UIssued on 20/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org