International
Certificate
2023

Boat

TENTONTÚ

ESP-7981

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°41.1°40.0°39.0°38.8°38.4°39.0°
Beat VMG3.213.904.404.724.854.924.92
52°4.885.786.396.746.927.007.05
60°5.146.026.596.927.107.207.28
75°5.656.526.917.097.307.477.66
90°5.906.767.187.437.587.727.95
110°5.766.707.207.577.888.168.60
120°5.506.537.137.547.928.268.79
135°4.926.066.847.307.708.108.96
150°4.195.286.176.767.127.407.97
Run VMG3.634.575.355.866.176.697.37
Gybe Angles144.8°147.8°148.3°149.2°151.1°173.6°176.3°

APH: 580.9

CDL: 8.373

GPH: 649.8

CertNo: 798101

BOAT
ClassFIRST 34.7DesignerFARRBuilderBENETEAUAge date06/2006Series date05/2005Offset fileFIRST347.offData fileE7981
HULL
Length Overall9.982 mMaximum Beam3.372 mDraft2.033 mDisplacement5,017 kgDLR7.0608IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight450 kgMinimum weight338 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.5031.03Headsail Luffed24.7024.70Headsail FlyingSymmetricAsymmetric95.3095.30 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail9.05Storm Jib8.83Heavy Weather Jib23.83
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment102.3 kg·mStability Index128.4
COMMENTS
400 kg lastre sentina..01/19
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  03510002EI2Issued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

TENTONTÚ

ESP-7981

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 VMG1122.3924.1818.6763.3741.6732.3732.0
52°737.5623.2563.6534.1520.4514.6510.9
60°701.0597.8546.7520.5506.8499.7494.4
75°636.9551.8520.9507.7493.4481.9469.7
90°610.2532.7501.2484.7474.9466.5452.9
110°624.5536.9499.9475.9456.6441.1418.6
120°654.7551.4505.1477.5454.8435.6409.5
135°732.1593.6526.1492.9467.5444.7401.7
150°859.9682.3583.1532.2505.8486.5451.8
Run VMG992.9787.8673.3614.5583.5538.3488.2
Selected Courses
Windward / Leeward1057.6856.0746.0688.9662.6635.3610.1
All purpose806.5667.8597.6560.9541.1524.9505.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward720.90.8323
All purpose580.91.0329
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7199
Downwind "popa"0.8977
70% up, 30% down "Ilhabela"0.7654
30% up, 70% down "Ilhabela-inverso"0.8358
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Predominantly Upwind632.30.9488
Predominantly Downwind584.01.0274
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low737.10.8140
Triple Number All Purpose Medium577.11.0397
Triple Number All Purpose High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Predominantly Upwind632.30.9488
Predominantly Downwind584.01.0274
Predominantly Upwind Low840.90.7135
Predominantly Upwind Medium656.90.9134
Predominantly Upwind High611.30.9815
Predominantly Downwind Low792.20.7574
Predominantly Downwind Medium578.31.0376
Predominantly Downwind High496.11.2095
Chicago-Mac Upwind0.9309
Chicago-Mac All Purpose0.9682
Chicago-Mac Downwind1.0111
Bayview-Mac Cove Island0.8998
Bayview-Mac Shore0.9027
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching546.21.0986
Predominantly Reaching Low658.30.9114
Predominantly Reaching Medium539.81.1115
Predominantly Reaching High483.01.2423
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1042.10.5758
5-Band Low / Medium876.20.6848
5-Band Medium703.50.8528
5-Band Medium / High640.30.9371
5-Band High614.50.9764
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance632.9
Triple Number Coastal/Long Distance Low737.1
Triple Number Coastal/Long Distance Medium577.1
Triple Number Coastal/Long Distance High521.8
Triple Number Windward/Leeward Low956.8
Triple Number Windward/Leeward Medium715.2
Triple Number Windward/Leeward High632.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0397
Triple Number Coastal/Long Distance High1.1499
Triple Number Windward/Leeward Low0.6271
Triple Number Windward/Leeward Medium0.8389
Triple Number Windward/Leeward High0.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low737.1
Triple Number Coastal/Long Distance Medium577.1
Triple Number Coastal/Long Distance High521.8
Triple Number Windward/Leeward Low956.8
Triple Number Windward/Leeward Medium715.2
Triple Number Windward/Leeward High632.6
Predominantly Upwind632.3
Predominantly Downwind584.0
Predominantly Reaching558.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0397
Triple Number Coastal/Long Distance High1.1499
Triple Number Windward/Leeward Low0.6271
Triple Number Windward/Leeward Medium0.8389
Triple Number Windward/Leeward High0.9484
Coastal/Long Distance0.9480
Predominantly Upwind0.9488
Predominantly Downwind1.0274
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8140
Tretall Distanseseilas Mellomvind1.0397
Tretall Distanseseilas Mye vind1.1499
Tretall Pølsebane Lite vind0.6271
Tretall Pølsebane Mellomvind0.8389
Tretall Pølsebane Mye vind0.9484
Distanseseilas ett tall (OSN 8-16kn)0.9480
Distanseseilas ett tall (APH 6-20kn)1.0329
Enkeltall Motvind0.9488
Enkeltall Medvind1.0274
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Coastal/Long Distance632.90.9480
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind632.30.9488
Predominantly Downwind584.01.0274
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore617.70.9714
Cape Doctor Coastal511.51.1729
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0397
Triple Number Coastal/Long Distance High1.1499
Triple Number Windward/Leeward Low0.6271
Triple Number Windward/Leeward Medium0.8389
Triple Number Windward/Leeward High0.9484
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8140
Triple Number Coastal/Long Distance Medium1.0397
Triple Number Coastal/Long Distance High1.1499
Triple Number Windward/Leeward Low0.6271
Triple Number Windward/Leeward Medium0.8389
Triple Number Windward/Leeward High0.9484
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Predominantly Upwind632.30.9488
Predominantly Downwind584.01.0274
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance632.90.9480
Triple Number Coastal/Long Distance Low737.10.8140
Triple Number Coastal/Long Distance Medium577.11.0397
Triple Number Coastal/Long Distance High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1051.1803.0672.8599.2561.9530.3483.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low737.10.8140
Triple Number All Purpose Medium577.11.0397
Triple Number All Purpose High521.81.1499
Triple Number Windward/Leeward Low956.80.6271
Triple Number Windward/Leeward Medium715.20.8389
Triple Number Windward/Leeward High632.60.9484
Predominantly Upwind632.30.9488
Predominantly Downwind584.01.0274
Predominantly Upwind Low840.90.7135
Predominantly Upwind Medium656.90.9134
Predominantly Upwind High611.30.9815
Predominantly Downwind Low792.20.7574
Predominantly Downwind Medium578.31.0376
Predominantly Downwind High496.11.2095
Chicago-Mac Upwind0.9309
Chicago-Mac All Purpose0.9682
Chicago-Mac Downwind1.0111
Bayview-Mac Cove Island0.8998
Bayview-Mac Shore0.9027
Harvest Moon Regatta505.01.1880
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy615.70.9745
San Francisco Bay Medium704.90.8511
Predominantly Reaching546.21.0986
Predominantly Reaching Low658.30.9114
Predominantly Reaching Medium539.81.1115
Predominantly Reaching High483.01.2423
Windward/Leeward 60-40 Low970.10.6185
Windward/Leeward 60-40 Medium740.60.8101
Windward/Leeward 60-40 High667.30.8991
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1042.10.5758
5-Band Low / Medium876.20.6848
5-Band Medium703.50.8528
5-Band Medium / High640.30.9371
5-Band High614.50.9764
ORC Ref  03510002EI2Issued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

TENTONTÚ

ESP-7981

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 34.7Measurement25/05/2017HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.982Max. Beam3.372Draft2.033Displacement5,017Wetted area22.67IMS L9.091LSM08.923Acc. length9.982Sink (kg/mm) 16.61
VCGD-0.049VCGM-0.063RM Rated (kg·m) 102.3Limit of positive stability(°) 127.6Stability Index128.4
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBWPIPA0.0032
EDL1.775ST10.040ST20.180
ST30.180ST40.108ST50.270
RIG
Forestay tensionAftInner stayNone FittedCarbon mastYesHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.450IG13.155ISP13.760MDT10.110MDL10.160MDT20.096MDL20.125TL0.900MW0.160GO0.196
E4.150J3.680BAS1.540FSD0.035SFJ0.000SPLWPLTPS4.990BD0.130MWT106.00MCG4.775
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date15/03/2019MeasurerESP 858Comment
SFFP0.172FFM1.224FF1.217LCFcl5.318SG1.0300
SAFP9.530FAM1.056FA1.064LCFsh5.561HBI1.118
W175.9W275.9W375.9W475.9
PD1562.3PD2559.2PD3558.1PD4557.2
WD9.595PLM9000.00GSA1.0RSA1.0RM102.6
TANKS
INVENTORY
INVENTORY
BALLASTIdKindDescriptionWeightLCGVCGTCG2FixedPlomo504.330.001FixedPlomo3503.810.00Fixed Ballast Total400
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG2Gasoil Plastico0.900075507.700.001Agua Plastico10004.000.00Total deductible457.700.00
OTHER ITEMSIdKindDescriptionWeightLCGVCG2Battery2x70Ah3.701EngineYANMAR 3YM20Total deductible
ORC Ref  03510002EI2Issued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org

International
Certificate
2023

Boat

TENTONTÚ

ESP-7981

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.861.532.643.4730.5013/02/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.601.122.042.893.6912.54YesNo 24.7008/02/201930.070.390.751.532.393.3012.55NoNo 19.9918/10/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment00115.2013.3914.307.958.2097%95.3028/09/2022Ligero15.1613.3314.256.658.7776%83.9717/11/2021Pesado14.7812.5313.666.297.3486%73.9624/05/2017
ORC Ref  03510002EI2Issued on 23/03/2023Valid until 31/12/2023
VPP ver: 2023 1.01 | © ORC | www.orc.org