Club
Certificate
2023

Boat

BLU ONE

ITA-BLN23

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles47.7°46.0°45.0°44.2°43.8°43.8°44.8°
Beat VMG2.983.664.144.444.564.614.55
52°4.755.736.386.756.937.007.00
60°5.176.116.707.047.237.327.36
75°5.466.386.957.297.517.677.84
90°5.406.376.997.397.637.848.19
110°5.306.457.167.597.938.238.74
120°5.146.307.087.547.918.268.94
135°4.625.806.707.287.688.048.76
150°3.925.035.946.627.077.407.95
Run VMG3.394.355.145.746.126.617.41
Gybe Angles144.8°146.9°147.1°147.8°149.2°172.1°174.8°

APH: 597.2

CDL: 8.377

GPH: 672.7

CertNo: 23/3

BOAT
ClassDufour 38 ClassicDesignerChabaud/PoncinBuilderDufourAge date07/2001Series date02/1997Offset fileDufour38ClSD.offData fileBLN23
HULL
Length Overall11.650 mMaximum Beam3.852 mDraft1.459 mDisplacement6,500 kgDLR6.7671IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationStrutTypeSolid 2 bladesDiameter0.406m
CREW
Maximum weight400 kgMinimum weight300 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.8931.38Headsail Luffed44.6344.63Headsail FlyingSymmetricAsymmetric85.4685.46 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.11Storm Jib10.72Heavy Weather Jib28.93
SAIL LIMITS
Headsails1 * Woven polyester sails  Spinnakers4
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  03190002Q13Issued on 11/07/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

BLU ONE

ITA-BLN23

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1207.3983.7869.8810.6788.9781.4791.9
52°757.5628.1564.5533.4519.8514.0514.0
60°696.6589.5537.4511.3498.1492.1488.9
75°659.4563.9518.0494.1479.3469.3459.1
90°666.7565.0515.2486.9471.8459.4439.5
110°679.6558.5502.6474.3454.0437.2412.0
120°701.0571.6508.7477.2455.0435.6402.7
135°778.9621.1537.2494.4468.9447.9410.8
150°918.5716.1606.4543.6509.1486.2453.0
Run VMG1060.6826.9700.2627.7587.9544.6485.9
Selected Courses
Windward / Leeward1133.9905.3785.0719.1688.4663.0638.9
All purpose859.7698.8616.4572.5550.3534.2516.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward755.90.7938
All purpose597.21.0047
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6738
Downwind "popa"0.8689
70% up, 30% down "Ilhabela"0.7224
30% up, 70% down "Ilhabela-inverso"0.7994
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Predominantly Upwind653.80.9178
Predominantly Downwind599.51.0009
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low779.20.7700
Triple Number All Purpose Medium592.11.0133
Triple Number All Purpose High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Predominantly Upwind653.80.9178
Predominantly Downwind599.51.0009
Predominantly Upwind Low889.80.6743
Predominantly Upwind Medium681.80.8801
Predominantly Upwind High635.90.9436
Predominantly Downwind Low838.20.7158
Predominantly Downwind Medium591.41.0146
Predominantly Downwind High499.31.2017
Chicago-Mac Upwind0.8977
Chicago-Mac All Purpose0.9372
Chicago-Mac Downwind0.9826
Bayview-Mac Cove Island0.8693
Bayview-Mac Shore0.8747
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching558.21.0748
Predominantly Reaching Low694.60.8638
Predominantly Reaching Medium550.61.0897
Predominantly Reaching High484.61.2381
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1116.30.5375
5-Band Low / Medium929.40.6456
5-Band Medium735.90.8153
5-Band Medium / High668.00.8982
5-Band High643.00.9331
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance654.1
Triple Number Coastal/Long Distance Low779.2
Triple Number Coastal/Long Distance Medium592.1
Triple Number Coastal/Long Distance High531.6
Triple Number Windward/Leeward Low1019.7
Triple Number Windward/Leeward Medium749.0
Triple Number Windward/Leeward High660.3
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7700
Triple Number Coastal/Long Distance Medium1.0133
Triple Number Coastal/Long Distance High1.1286
Triple Number Windward/Leeward Low0.5884
Triple Number Windward/Leeward Medium0.8011
Triple Number Windward/Leeward High0.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low779.2
Triple Number Coastal/Long Distance Medium592.1
Triple Number Coastal/Long Distance High531.6
Triple Number Windward/Leeward Low1019.7
Triple Number Windward/Leeward Medium749.0
Triple Number Windward/Leeward High660.3
Predominantly Upwind653.8
Predominantly Downwind599.5
Predominantly Reaching572.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7700
Triple Number Coastal/Long Distance Medium1.0133
Triple Number Coastal/Long Distance High1.1286
Triple Number Windward/Leeward Low0.5884
Triple Number Windward/Leeward Medium0.8011
Triple Number Windward/Leeward High0.9087
Coastal/Long Distance0.9174
Predominantly Upwind0.9178
Predominantly Downwind1.0009
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7700
Tretall Distanseseilas Mellomvind1.0133
Tretall Distanseseilas Mye vind1.1286
Tretall Pølsebane Lite vind0.5884
Tretall Pølsebane Mellomvind0.8011
Tretall Pølsebane Mye vind0.9087
Distanseseilas ett tall (OSN 8-16kn)0.9174
Distanseseilas ett tall (APH 6-20kn)1.0047
Enkeltall Motvind0.9178
Enkeltall Medvind1.0009
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Coastal/Long Distance654.10.9174
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind653.80.9178
Predominantly Downwind599.51.0009
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore646.10.9286
Cape Doctor Coastal521.91.1496
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7700
Triple Number Coastal/Long Distance Medium1.0133
Triple Number Coastal/Long Distance High1.1286
Triple Number Windward/Leeward Low0.5884
Triple Number Windward/Leeward Medium0.8011
Triple Number Windward/Leeward High0.9087
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7700
Triple Number Coastal/Long Distance Medium1.0133
Triple Number Coastal/Long Distance High1.1286
Triple Number Windward/Leeward Low0.5884
Triple Number Windward/Leeward Medium0.8011
Triple Number Windward/Leeward High0.9087
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Predominantly Upwind653.80.9178
Predominantly Downwind599.51.0009
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance654.10.9174
Triple Number Coastal/Long Distance Low779.20.7700
Triple Number Coastal/Long Distance Medium592.11.0133
Triple Number Coastal/Long Distance High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1126.6846.4700.9615.8572.8538.1483.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low779.20.7700
Triple Number All Purpose Medium592.11.0133
Triple Number All Purpose High531.61.1286
Triple Number Windward/Leeward Low1019.70.5884
Triple Number Windward/Leeward Medium749.00.8011
Triple Number Windward/Leeward High660.30.9087
Predominantly Upwind653.80.9178
Predominantly Downwind599.51.0009
Predominantly Upwind Low889.80.6743
Predominantly Upwind Medium681.80.8801
Predominantly Upwind High635.90.9436
Predominantly Downwind Low838.20.7158
Predominantly Downwind Medium591.41.0146
Predominantly Downwind High499.31.2017
Chicago-Mac Upwind0.8977
Chicago-Mac All Purpose0.9372
Chicago-Mac Downwind0.9826
Bayview-Mac Cove Island0.8693
Bayview-Mac Shore0.8747
Harvest Moon Regatta506.71.1841
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy643.30.9327
San Francisco Bay Medium738.90.8120
Predominantly Reaching558.21.0748
Predominantly Reaching Low694.60.8638
Predominantly Reaching Medium550.61.0897
Predominantly Reaching High484.61.2381
Windward/Leeward 60-40 Low1034.80.5798
Windward/Leeward 60-40 Medium779.70.7695
Windward/Leeward 60-40 High703.50.8529
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1116.30.5375
5-Band Low / Medium929.40.6456
5-Band Medium735.90.8153
5-Band Medium / High668.00.8982
5-Band High643.00.9331
ORC Ref  03190002Q13Issued on 11/07/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

BLU ONE

ITA-BLN23

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 38 ClassicMeasurement11/04/2019HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.650Max. Beam3.852Draft1.459Displacement6,500Wetted area25.83IMS L9.968LSM09.866Acc. length11.650Sink (kg/mm) 21.41
VCGD-0.026VCGM-0.001RM Rated (kg·m) 172.0Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeSolid 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.406PBW0.102PIPA0.0172
EDL2.500ST10.044ST20.170
ST30.170ST40.044ST50.290
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P12.840IG14.500ISP14.600MDT10.125MDL10.220MDT2MDL2TLNo TaperMW0.220GO0.262
E4.050J4.430BAS1.400FSDNo FoilSFJSPLWPLTPS4.430BD0.150MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.026Flotation Date16/06/2023MeasurerComment
SFFP0.900FFMFF1.358LCFcl6.436SG1.0250
SAFP10.625FAMFA1.064LCFsh6.717HBI1.211
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002Q13Issued on 11/07/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

BLU ONE

ITA-BLN23

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.130.761.542.573.4630.8916/06/2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentA0.040.741.483.074.756.5214.15NoNo 44.6316/06/2023
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA14.5013.4213.967.257.7394%85.4616/06/2023
ORC Ref  03190002Q13Issued on 11/07/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org