Club
Certificate
2023

Boat

Luna Blu

USA 1710

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
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°40.0°40.0°39.6°39.6°39.6°
Beat VMG3.243.864.294.504.614.674.72
52°4.895.696.236.516.636.706.77
60°5.115.906.426.696.836.906.98
75°5.256.056.566.867.037.147.28
90°5.166.016.586.927.157.307.52
110°5.156.156.777.127.347.487.68
120°5.026.036.717.127.407.617.93
135°4.585.586.386.907.257.558.07
150°3.914.935.786.476.927.257.82
Run VMG3.394.285.035.716.306.777.40
Gybe Angles146.9°151.4°154.1°159.2°171.8°177.5°179.0°

APH: 608.7

CDL: 7.836

GPH: 681.2

CertNo: US6114

BOAT
ClassBRISTOL 39 CB YAWLDesignerTed Hood/Dieter EBuilderBristolAge date07/1966Series date07/1966Offset fileUS17423CB_JT-US6114.offData fileUS6114
HULL
Length Overall11.817 mMaximum Beam3.328 mDraft2.142 mDisplacement7,992 kgDLR13.6446IMS DivisionCruiser/RacerDynamic Allowance0.380%Age Allowance0.487%
PROPELLER
InstallationIn ApertureTypeSolid 3 bladesDiameter0.375m
CREW
Maximum weight501 kgMinimum weight376 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail34.1734.76Mizzen6.606.72Headsail Luffed42.0942.09Headsail FlyingSymmetric92.1092.10Asymmetric
STORM SAIL AREAS (m²)
Trysail10.36Storm Jib9.79Heavy Weather Jib26.43
SAIL LIMITS
Headsails5 * 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  03330002IPUIssued on 19/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Luna Blu

USA 1710

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1111.5932.2839.8799.7780.6770.2762.8
52°736.7633.0577.7553.1543.0537.0531.8
60°704.9610.2560.9537.8527.4521.5515.8
75°686.1595.4548.6524.6512.0503.9494.7
90°697.2599.3547.4520.3503.8493.1479.0
110°699.0585.6531.4505.6490.7481.3468.5
120°717.5597.1536.6505.9486.6473.2454.1
135°785.4645.3564.2522.0496.5476.7446.1
150°920.3730.1622.4556.5519.9496.3460.3
Run VMG1062.7842.0715.5630.3571.8531.8486.5
Selected Courses
Windward / Leeward1087.1887.1777.6715.0676.2651.0624.7
All purpose845.9703.8627.6587.1564.1549.5531.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward744.70.8057
All purpose608.70.9858
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7004
Downwind "popa"0.8677
70% up, 30% down "Ilhabela"0.7434
30% up, 70% down "Ilhabela-inverso"0.8096
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Predominantly Upwind660.10.9089
Predominantly Downwind614.20.9768
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low774.80.7744
Triple Number All Purpose Medium604.50.9925
Triple Number All Purpose High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Predominantly Upwind660.10.9089
Predominantly Downwind614.20.9768
Predominantly Upwind Low860.70.6971
Predominantly Upwind Medium682.80.8788
Predominantly Upwind High640.00.9375
Predominantly Downwind Low840.90.7135
Predominantly Downwind Medium606.40.9895
Predominantly Downwind High510.21.1760
Chicago-Mac Upwind0.8934
Chicago-Mac All Purpose0.9235
Chicago-Mac Downwind0.9599
Bayview-Mac Cove Island0.8616
Bayview-Mac Shore0.8684
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching579.81.0348
Predominantly Reaching Low707.00.8487
Predominantly Reaching Medium573.31.0466
Predominantly Reaching High510.51.1753
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1071.70.5599
5-Band Low / Medium906.60.6618
5-Band Medium727.90.8243
5-Band Medium / High656.20.9143
5-Band High629.20.9536
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance661.0
Triple Number Coastal/Long Distance Low774.8
Triple Number Coastal/Long Distance Medium604.5
Triple Number Coastal/Long Distance High546.4
Triple Number Windward/Leeward Low987.2
Triple Number Windward/Leeward Medium740.6
Triple Number Windward/Leeward High647.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7744
Triple Number Coastal/Long Distance Medium0.9925
Triple Number Coastal/Long Distance High1.0980
Triple Number Windward/Leeward Low0.6078
Triple Number Windward/Leeward Medium0.8102
Triple Number Windward/Leeward High0.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low774.8
Triple Number Coastal/Long Distance Medium604.5
Triple Number Coastal/Long Distance High546.4
Triple Number Windward/Leeward Low987.2
Triple Number Windward/Leeward Medium740.6
Triple Number Windward/Leeward High647.5
Predominantly Upwind660.1
Predominantly Downwind614.2
Predominantly Reaching592.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7744
Triple Number Coastal/Long Distance Medium0.9925
Triple Number Coastal/Long Distance High1.0980
Triple Number Windward/Leeward Low0.6078
Triple Number Windward/Leeward Medium0.8102
Triple Number Windward/Leeward High0.9267
Coastal/Long Distance0.9077
Predominantly Upwind0.9089
Predominantly Downwind0.9768
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7744
Tretall Distanseseilas Mellomvind0.9925
Tretall Distanseseilas Mye vind1.0980
Tretall Pølsebane Lite vind0.6078
Tretall Pølsebane Mellomvind0.8102
Tretall Pølsebane Mye vind0.9267
Distanseseilas ett tall (OSN 8-16kn)0.9077
Distanseseilas ett tall (APH 6-20kn)0.9858
Enkeltall Motvind0.9089
Enkeltall Medvind0.9768
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Coastal/Long Distance661.00.9077
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind660.10.9089
Predominantly Downwind614.20.9768
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore632.60.9485
Cape Doctor Coastal537.01.1173
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7744
Triple Number Coastal/Long Distance Medium0.9925
Triple Number Coastal/Long Distance High1.0980
Triple Number Windward/Leeward Low0.6078
Triple Number Windward/Leeward Medium0.8102
Triple Number Windward/Leeward High0.9267
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7744
Triple Number Coastal/Long Distance Medium0.9925
Triple Number Coastal/Long Distance High1.0980
Triple Number Windward/Leeward Low0.6078
Triple Number Windward/Leeward Medium0.8102
Triple Number Windward/Leeward High0.9267
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Predominantly Upwind660.10.9089
Predominantly Downwind614.20.9768
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance661.00.9077
Triple Number Coastal/Long Distance Low774.80.7744
Triple Number Coastal/Long Distance Medium604.50.9925
Triple Number Coastal/Long Distance High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1084.7836.5703.7626.5585.0554.6509.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low774.80.7744
Triple Number All Purpose Medium604.50.9925
Triple Number All Purpose High546.41.0980
Triple Number Windward/Leeward Low987.20.6078
Triple Number Windward/Leeward Medium740.60.8102
Triple Number Windward/Leeward High647.50.9267
Predominantly Upwind660.10.9089
Predominantly Downwind614.20.9768
Predominantly Upwind Low860.70.6971
Predominantly Upwind Medium682.80.8788
Predominantly Upwind High640.00.9375
Predominantly Downwind Low840.90.7135
Predominantly Downwind Medium606.40.9895
Predominantly Downwind High510.21.1760
Chicago-Mac Upwind0.8934
Chicago-Mac All Purpose0.9235
Chicago-Mac Downwind0.9599
Bayview-Mac Cove Island0.8616
Bayview-Mac Shore0.8684
Harvest Moon Regatta530.31.1315
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy638.70.9395
San Francisco Bay Medium733.80.8177
Predominantly Reaching579.81.0348
Predominantly Reaching Low707.00.8487
Predominantly Reaching Medium573.31.0466
Predominantly Reaching High510.51.1753
Windward/Leeward 60-40 Low994.00.6036
Windward/Leeward 60-40 Medium767.40.7819
Windward/Leeward 60-40 High689.20.8706
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1071.70.5599
5-Band Low / Medium906.60.6618
5-Band Medium727.90.8243
5-Band Medium / High656.20.9143
5-Band High629.20.9536
ORC Ref  03330002IPUIssued on 19/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Luna Blu

USA 1710

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBRISTOL 39 CB YAWLMeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.817Max. Beam3.328Draft2.142Displacement7,992Wetted area26.01IMS L8.698LSM08.366Acc. length10.817Sink (kg/mm) 19.00
VCGD0.222VCGM0.148RM Rated (kg·m) 121.0Limit of positive stability(°) N/AStability IndexN/A
Centerboard weight20.0
PROPELLER
Propeller TypeSolid 3 blades
InstallationIn ApertureTwin screwNoHydro generatorNo
PRD0.375PBWPIPA0.0098
APH0.436APT0.174APB0.158
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1Rotating mastNo
P12.802IG13.893ISP13.893MDT10.122MDL10.219MDT2MDL2TLNo TaperMW0.219GO0.250
E4.624J4.432BAS1.247FSD0.034SFJ0.000SPL3.814WPLTPSBD0.116MWTMCG
PY5.535MDT1Y0.091MDL1Y0.155MDT2Y0.091MDL2Y0.155TLY0.000BASY1.698EY2.057BDY0.128IY5.539EB5.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.220Flotation Date10/05/1983MeasurerComment
SFFP0.776FFMFF1.245LCFcl6.279SG1.0180
SAFP10.836FAMFA0.942LCFsh6.495HBI0.974
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  03330002IPUIssued on 19/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Luna Blu

USA 1710

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment21291250.120.821.542.813.9634.17Offshore Mainsail, Dacron
MIZZEN
IdMHBMUWMTWMHWMQWAreaMeas.DateComment21891800.120.410.741.261.696.60Offshore Mizzen 2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment21833690.050.791.563.194.896.6312.95NoNo 42.09Heavy #1 GENOA
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment15704500.000.000.0092.10
ORC Ref  03330002IPUIssued on 19/04/2023Valid until 31/12/2023
VPP ver: 2023 1.02 | © ORC | www.orc.org