Club
Certificate
2023

Boat

KRONOS

DEN-6007_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 Angles43.0°41.1°40.0°39.4°38.8°38.2°38.1°
Beat VMG4.215.095.645.946.126.246.36
52°6.417.588.268.588.768.878.99
60°6.767.908.548.869.039.149.26
75°7.018.128.759.109.349.499.69
90°7.168.348.959.289.499.7110.11
110°6.938.208.969.409.7910.1410.72
120°6.648.088.939.459.8710.1810.92
135°5.937.488.549.199.7010.2111.34
150°4.996.327.538.489.069.4510.18
Run VMG4.325.476.527.357.858.189.11
Gybe Angles142.4°145.7°146.0°150.5°151.0°150.7°174.8°

APH: 461.5

CDL: 13.573

GPH: 517.2

CertNo: 600701

BOAT
ClassX-55DesignerJEPPESENBuilderX-YACHTSAge date04/2007Series date03/2007Offset fileX55.OFFData fileDEN6007_C
HULL
Length Overall16.830 mMaximum Beam4.558 mDraft2.913 mDisplacement19,255 kgDLR5.7263IMS DivisionCruiser/RacerDynamic Allowance0.180%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight400 kgMinimum weight300 kg * when appliedNon Manual PowerYesCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail90.6091.78Headsail Luffed74.4074.40Headsail FlyingSymmetricAsymmetric272.55272.55 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail28.47Storm Jib25.09Heavy Weather Jib67.74
SAIL LIMITS
Headsails7  Spinnakers5
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  03510002RF6Issued on 16/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

KRONOS

DEN-6007_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 VMG856.1707.6638.3606.3588.4577.3566.2
52°561.6475.2436.1419.5411.2406.0400.3
60°532.6455.6421.5406.2398.8394.0388.6
75°513.9443.6411.6395.5385.6379.4371.4
90°502.6431.7402.2387.9379.5370.7356.0
110°519.9438.9401.9382.9367.9355.0335.8
120°541.8445.7403.1381.0364.6353.6329.7
135°607.4481.2421.6391.7371.2352.7317.5
150°721.9569.9478.0424.3397.6381.1353.8
Run VMG833.5658.0551.9489.7458.6439.9395.3
Selected Courses
Windward / Leeward844.8682.8595.1548.0523.5508.6480.7
All purpose646.6532.1474.9445.5428.7417.1398.0
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward573.51.0461
All purpose461.51.3001
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.9251
Downwind "popa"1.0975
70% up, 30% down "Ilhabela"0.9708
30% up, 70% down "Ilhabela-inverso"1.0394
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Predominantly Upwind498.61.2034
Predominantly Downwind467.91.2824
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low589.41.0180
Triple Number All Purpose Medium458.31.3092
Triple Number All Purpose High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Predominantly Upwind498.61.2034
Predominantly Downwind467.91.2824
Predominantly Upwind Low655.60.9152
Predominantly Upwind Medium516.41.1618
Predominantly Upwind High480.81.2479
Predominantly Downwind Low647.20.9271
Predominantly Downwind Medium464.01.2932
Predominantly Downwind High396.31.5138
Chicago-Mac Upwind1.1818
Chicago-Mac All Purpose1.2176
Chicago-Mac Downwind1.2600
Bayview-Mac Cove Island1.1346
Bayview-Mac Shore1.1445
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching434.81.3799
Predominantly Reaching Low529.11.1339
Predominantly Reaching Medium429.71.3965
Predominantly Reaching High382.71.5677
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low832.30.7209
5-Band Low / Medium699.20.8582
5-Band Medium559.71.0720
5-Band Medium / High509.71.1772
5-Band High485.61.2357
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance503.7
Triple Number Coastal/Long Distance Low589.4
Triple Number Coastal/Long Distance Medium458.3
Triple Number Coastal/Long Distance High412.9
Triple Number Windward/Leeward Low763.7
Triple Number Windward/Leeward Medium568.8
Triple Number Windward/Leeward High501.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0180
Triple Number Coastal/Long Distance Medium1.3092
Triple Number Coastal/Long Distance High1.4533
Triple Number Windward/Leeward Low0.7856
Triple Number Windward/Leeward Medium1.0548
Triple Number Windward/Leeward High1.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low589.4
Triple Number Coastal/Long Distance Medium458.3
Triple Number Coastal/Long Distance High412.9
Triple Number Windward/Leeward Low763.7
Triple Number Windward/Leeward Medium568.8
Triple Number Windward/Leeward High501.9
Predominantly Upwind498.6
Predominantly Downwind467.9
Predominantly Reaching446.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0180
Triple Number Coastal/Long Distance Medium1.3092
Triple Number Coastal/Long Distance High1.4533
Triple Number Windward/Leeward Low0.7856
Triple Number Windward/Leeward Medium1.0548
Triple Number Windward/Leeward High1.1955
Coastal/Long Distance1.1912
Predominantly Upwind1.2034
Predominantly Downwind1.2824
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind1.0180
Tretall Distanseseilas Mellomvind1.3092
Tretall Distanseseilas Mye vind1.4533
Tretall Pølsebane Lite vind0.7856
Tretall Pølsebane Mellomvind1.0548
Tretall Pølsebane Mye vind1.1955
Distanseseilas ett tall (OSN 8-16kn)1.1912
Distanseseilas ett tall (APH 6-20kn)1.3001
Enkeltall Motvind1.2034
Enkeltall Medvind1.2824
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Coastal/Long Distance503.71.1912
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind498.61.2034
Predominantly Downwind467.91.2824
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore489.11.2268
Cape Doctor Coastal403.81.4861
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0180
Triple Number Coastal/Long Distance Medium1.3092
Triple Number Coastal/Long Distance High1.4533
Triple Number Windward/Leeward Low0.7856
Triple Number Windward/Leeward Medium1.0548
Triple Number Windward/Leeward High1.1955
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0180
Triple Number Coastal/Long Distance Medium1.3092
Triple Number Coastal/Long Distance High1.4533
Triple Number Windward/Leeward Low0.7856
Triple Number Windward/Leeward Medium1.0548
Triple Number Windward/Leeward High1.1955
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Predominantly Upwind498.61.2034
Predominantly Downwind467.91.2824
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance503.71.1912
Triple Number Coastal/Long Distance Low589.41.0180
Triple Number Coastal/Long Distance Medium458.31.3092
Triple Number Coastal/Long Distance High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance843.7641.4535.6475.9445.1421.8382.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low589.41.0180
Triple Number All Purpose Medium458.31.3092
Triple Number All Purpose High412.91.4533
Triple Number Windward/Leeward Low763.70.7856
Triple Number Windward/Leeward Medium568.81.0548
Triple Number Windward/Leeward High501.91.1955
Predominantly Upwind498.61.2034
Predominantly Downwind467.91.2824
Predominantly Upwind Low655.60.9152
Predominantly Upwind Medium516.41.1618
Predominantly Upwind High480.81.2479
Predominantly Downwind Low647.20.9271
Predominantly Downwind Medium464.01.2932
Predominantly Downwind High396.31.5138
Chicago-Mac Upwind1.1818
Chicago-Mac All Purpose1.2176
Chicago-Mac Downwind1.2600
Bayview-Mac Cove Island1.1346
Bayview-Mac Shore1.1445
Harvest Moon Regatta401.01.4963
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy487.51.2307
San Francisco Bay Medium560.51.0705
Predominantly Reaching434.81.3799
Predominantly Reaching Low529.11.1339
Predominantly Reaching Medium429.71.3965
Predominantly Reaching High382.71.5677
Windward/Leeward 60-40 Low767.40.7819
Windward/Leeward 60-40 Medium586.61.0229
Windward/Leeward 60-40 High527.11.1384
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low832.30.7209
5-Band Low / Medium699.20.8582
5-Band Medium559.71.0720
5-Band Medium / High509.71.1772
5-Band High485.61.2357
ORC Ref  03510002RF6Issued on 16/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

KRONOS

DEN-6007_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-55Measurement10/08/2023HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA16.830Max. Beam4.558Draft2.913Displacement19,255Wetted area55.31IMS L15.015LSM014.980Acc. length14.813Sink (kg/mm) 40.74
VCGD-0.215VCGM-0.087RM Rated (kg·m) 546.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0016
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerYesArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3Rotating mastNo
P21.400IG22.400ISP22.700MDT10.100MDL10.110MDT2MDL2TLMWGO
E7.600J6.100BAS1.940FSD0.050SFJ0.470SPLWPLTPS6.590BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered550.0Flotation Date01/01/2010MeasurerComment
SFFP0.522FFMFF1.706LCFcl9.457SG
SAFP16.118FAMFA1.383LCFsh9.711HBI1.464
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03510002RF6Issued on 16/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

KRONOS

DEN-6007_C

RFEV
c/ Gamazo sn
39004 Santander – España
crucero@rfev.es
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.201.382.504.466.0690.6022/05/2020ENROLLABLE
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0010.101.011.893.505.026.4521.86YesNo 74.4003/04/2019
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA224.6022.1523.3814.5911.60126%272.5501/06/2021CODE 6523.1021.1022.108.9411.9175%175.5815/02/2019
ORC Ref  03510002RF6Issued on 16/08/2023Valid until 31/12/2023
VPP ver: 2023 1.03 | © ORC | www.orc.org