Club
Certificate
2023

Boat

ZETA

ESP-2972_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 Angles42.4°40.6°39.4°38.7°38.2°38.5°39.0°
Beat VMG3.494.184.604.804.894.944.94
52°5.266.146.596.816.916.977.01
60°5.516.346.766.987.107.167.22
75°5.666.496.897.147.317.437.56
90°5.876.707.107.347.507.627.86
110°5.726.657.127.457.737.998.49
120°5.456.467.027.397.728.058.72
135°4.845.996.767.217.577.938.76
150°4.105.226.176.827.237.588.33
Run VMG3.554.525.356.046.607.057.73
Gybe Angles144.8°149.3°152.5°159.2°171.8°177.2°179.0°

APH: 574.6

CDL: 8.432

GPH: 640.7

CertNo: 297201

BOAT
ClassX 372DesignerN. JEPPESENBuilderX YATCHSAge date06/1990Series date01/1986Offset fileIX372+.OFFData fileE2972_C
HULL
Length Overall10.977 mMaximum Beam3.590 mDraft2.023 mDisplacement5,197 kgDLR7.8019IMS DivisionCruiser/RacerDynamic Allowance0.220%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.475m
CREW
Maximum weight160 kgMinimum weight85 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail28.5929.09Headsail Luffed37.4337.43Headsail FlyingSymmetric90.8890.88Asymmetric77.7677.76 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail8.48Storm Jib10.44Heavy Weather Jib28.19
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
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  03510002BL5Issued on 27/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZETA

ESP-2972_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 VMG1030.7860.8782.3750.4735.9729.1728.5
52°684.1586.7546.3528.7521.0516.6513.7
60°653.6567.8532.7516.0507.4502.7498.9
75°635.5554.3522.5504.5492.6484.4476.0
90°613.4537.1507.1490.5480.0472.6458.0
110°629.2541.6505.8483.5465.6450.3424.0
120°661.0557.0512.9487.2466.6447.4412.8
135°744.0600.5532.6499.2475.5454.1411.1
150°878.2689.3583.8528.0497.7475.0432.4
Run VMG1014.1795.9672.4596.3545.1510.3465.8
Selected Courses
Windward / Leeward1022.4828.3727.4673.4640.5619.7597.2
All purpose785.7653.1589.8557.0537.2523.5503.6
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward701.40.8555
All purpose574.61.0442
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7476
Downwind "popa"0.9130
70% up, 30% down "Ilhabela"0.7906
30% up, 70% down "Ilhabela-inverso"0.8562
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Predominantly Upwind620.40.9671
Predominantly Downwind579.31.0357
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low719.40.8340
Triple Number All Purpose Medium571.01.0508
Triple Number All Purpose High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Predominantly Upwind620.40.9671
Predominantly Downwind579.31.0357
Predominantly Upwind Low797.90.7520
Predominantly Upwind Medium642.20.9343
Predominantly Upwind High610.20.9833
Predominantly Downwind Low789.10.7604
Predominantly Downwind Medium573.51.0462
Predominantly Downwind High486.01.2345
Chicago-Mac Upwind0.9507
Chicago-Mac All Purpose0.9815
Chicago-Mac Downwind1.0183
Bayview-Mac Cove Island0.9194
Bayview-Mac Shore0.9253
Victoria-Maui1.0900
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance624.0
Triple Number Coastal/Long Distance Low719.4
Triple Number Coastal/Long Distance Medium571.0
Triple Number Coastal/Long Distance High519.5
Triple Number Windward/Leeward Low925.4
Triple Number Windward/Leeward Medium696.1
Triple Number Windward/Leeward High616.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8340
Triple Number Coastal/Long Distance Medium1.0508
Triple Number Coastal/Long Distance High1.1550
Triple Number Windward/Leeward Low0.6484
Triple Number Windward/Leeward Medium0.8620
Triple Number Windward/Leeward High0.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low719.4
Triple Number Coastal/Long Distance Medium571.0
Triple Number Coastal/Long Distance High519.5
Triple Number Windward/Leeward Low925.4
Triple Number Windward/Leeward Medium696.1
Triple Number Windward/Leeward High616.5
Predominantly Upwind620.4
Predominantly Downwind579.3
Predominantly Reaching556.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8340
Triple Number Coastal/Long Distance Medium1.0508
Triple Number Coastal/Long Distance High1.1550
Triple Number Windward/Leeward Low0.6484
Triple Number Windward/Leeward Medium0.8620
Triple Number Windward/Leeward High0.9733
Coastal/Long Distance0.9616
Predominantly Upwind0.9671
Predominantly Downwind1.0357
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8340
Tretall Distanseseilas Mellomvind1.0508
Tretall Distanseseilas Mye vind1.1550
Tretall Pølsebane Lite vind0.6484
Tretall Pølsebane Mellomvind0.8620
Tretall Pølsebane Mye vind0.9733
Distanseseilas ett tall (OSN 8-16kn)0.9616
Distanseseilas ett tall (APH 6-20kn)1.0442
Enkeltall Motvind0.9671
Enkeltall Medvind1.0357
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Coastal/Long Distance624.00.9616
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind620.40.9671
Predominantly Downwind579.31.0357
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore603.90.9935
Cape Doctor Coastal509.61.1774
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8340
Triple Number Coastal/Long Distance Medium1.0508
Triple Number Coastal/Long Distance High1.1550
Triple Number Windward/Leeward Low0.6484
Triple Number Windward/Leeward Medium0.8620
Triple Number Windward/Leeward High0.9733
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8340
Triple Number Coastal/Long Distance Medium1.0508
Triple Number Coastal/Long Distance High1.1550
Triple Number Windward/Leeward Low0.6484
Triple Number Windward/Leeward Medium0.8620
Triple Number Windward/Leeward High0.9733
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Predominantly Upwind620.40.9671
Predominantly Downwind579.31.0357
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance624.00.9616
Triple Number Coastal/Long Distance Low719.40.8340
Triple Number Coastal/Long Distance Medium571.01.0508
Triple Number Coastal/Long Distance High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.6780.2659.7593.3557.2529.0482.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low719.40.8340
Triple Number All Purpose Medium571.01.0508
Triple Number All Purpose High519.51.1550
Triple Number Windward/Leeward Low925.40.6484
Triple Number Windward/Leeward Medium696.10.8620
Triple Number Windward/Leeward High616.50.9733
Predominantly Upwind620.40.9671
Predominantly Downwind579.31.0357
Predominantly Upwind Low797.90.7520
Predominantly Upwind Medium642.20.9343
Predominantly Upwind High610.20.9833
Predominantly Downwind Low789.10.7604
Predominantly Downwind Medium573.51.0462
Predominantly Downwind High486.01.2345
Chicago-Mac Upwind0.9507
Chicago-Mac All Purpose0.9815
Chicago-Mac Downwind1.0183
Bayview-Mac Cove Island0.9194
Bayview-Mac Shore0.9253
Harvest Moon Regatta503.01.1929
Victoria-Maui1.0900
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy606.60.9891
San Francisco Bay Medium689.80.8698
Predominantly Reaching1.1014
Predominantly Reaching Low0.9220
Predominantly Reaching Medium1.1130
Predominantly Reaching High1.2326
Windward/Leeward 60-40 Low929.40.6455
Windward/Leeward 60-40 Medium720.10.8332
Windward/Leeward 60-40 High655.30.9156
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1007.50.5955
5-Band Low / Medium849.20.7065
5-Band Medium685.20.8756
5-Band Medium / High623.90.9616
5-Band High601.10.9982
ORC Ref  03510002BL5Issued on 27/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZETA

ESP-2972_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX 372MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.977Max. Beam3.590Draft2.023Displacement5,197Wetted area23.80IMS L8.944LSM08.733Acc. length11.005Sink (kg/mm) 17.19
VCGD-0.056VCGM-0.082RM Rated (kg·m) 117.8Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.475PBW0.115PIPA0.0064
PSD0.030PHD0.080PHL0.150
PSA20.0°ESL0.950
ST10.030ST20.110ST30.175
ST40.055ST50.260
RIG
Forestay tensionAftInner stayFixedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays1Spreaders2Rotating mastNo
P12.110IG14.449ISP14.450MDT10.120MDL10.180MDT20.120MDL20.180TLMW0.180GO0.180
E4.000J4.300BAS1.900FSD0.033SFJSPL4.386WPLTPS5.000BD0.135MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered120.0Flotation Date07/06/1990MeasurerComment
SFFP0.600FFMFF1.190LCFcl6.057SG
SAFP9.669FAMFA0.979LCFsh6.317HBI1.055
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002BL5Issued on 27/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZETA

ESP-2972_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.160.861.502.523.3328.5907/04/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment30.070.641.272.634.075.5913.83NoNo 37.4319/07/2018
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment414.6314.6314.637.517.2390.8807/01/2020214.5614.5614.567.477.1789.91
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00114.5913.0013.806.358.4275%77.7622/02/2018
ORC Ref  03510002BL5Issued on 27/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org