Club
Certificate
Non Spinnaker
2023

Boat

PROBLEM CHILD

USA 83173

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 Angles41.8°40.0°37.6°36.4°36.0°35.7°35.8°
Beat VMG3.364.024.444.614.704.754.78
52°5.055.806.136.316.396.456.50
60°5.275.956.246.436.546.616.68
75°5.386.026.346.566.746.877.01
90°5.275.976.346.606.837.037.35
110°4.715.626.166.516.837.127.71
120°4.455.436.046.416.727.047.73
135°3.954.945.706.176.486.787.41
150°3.364.335.155.796.206.507.07
Run VMG2.913.764.505.185.756.166.72
Gybe Angles146.6°152.3°158.6°168.2°176.6°179.0°179.0°

APH: 637.4

CDL: 7.234

GPH: 713.4

CertNo: US6544

BOAT
ClassBC-27DesignerJonesBuilderBC BoatworksAge date01/1993Series date11/1992Offset filebc27.offData fileUS6544NS
HULL
Length Overall7.920 mMaximum Beam2.848 mDraft1.613 mDisplacement2,085 kgDLR6.5931IMS DivisionPerformanceDynamic Allowance0.090%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.300m
CREW
Maximum weight521 kgMinimum weight391 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail20.0520.50Headsail Luffed25.5725.57Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail5.88Storm Jib5.91Heavy Weather Jib15.94
SAIL LIMITS
Headsails5  Spinnakers0 * Spinnaker pole aboard
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  04560002I77Issued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

PROBLEM CHILD

USA 83173

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 VMG1071.1896.3811.3780.8765.9757.3752.6
52°712.4620.2586.8570.9563.2558.5554.0
60°682.7605.2576.7559.9550.7544.8538.9
75°668.9597.7568.1548.8534.0524.3513.3
90°683.6602.9568.0545.4527.4512.3490.1
110°764.3640.3584.0553.0527.4505.8466.8
120°809.0663.6595.7561.7535.5511.6465.9
135°910.7728.9631.8583.9555.2530.8486.0
150°1071.6831.1699.6622.1580.8553.9509.1
Run VMG1237.4958.3800.0695.2625.8584.9535.4
Selected Courses
Windward / Leeward1154.2927.3805.6738.0695.8671.1644.0
All purpose887.1733.8657.3616.6591.4574.2549.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward771.40.7778
All purpose637.40.9414
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7198
Downwind "popa"0.7725
70% up, 30% down "Ilhabela"0.7348
30% up, 70% down "Ilhabela-inverso"0.7559
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Predominantly Upwind672.70.8919
Predominantly Downwind663.20.9047
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low810.50.7403
Triple Number All Purpose Medium633.60.9469
Triple Number All Purpose High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Predominantly Upwind672.70.8919
Predominantly Downwind663.20.9047
Predominantly Upwind Low863.30.6950
Predominantly Upwind Medium683.20.8783
Predominantly Upwind High646.40.9282
Predominantly Downwind Low925.90.6480
Predominantly Downwind Medium666.30.9004
Predominantly Downwind High553.61.0837
Chicago-Mac Upwind0.8781
Chicago-Mac All Purpose0.8817
Chicago-Mac Downwind0.8881
Bayview-Mac Cove Island0.8272
Bayview-Mac Shore0.8420
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching610.50.9827
Predominantly Reaching Low742.80.8077
Predominantly Reaching Medium608.60.9858
Predominantly Reaching High541.11.1088
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1136.70.5278
5-Band Low / Medium950.40.6313
5-Band Medium752.30.7975
5-Band Medium / High676.30.8872
5-Band High648.70.9250
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance691.8
Triple Number Coastal/Long Distance Low810.5
Triple Number Coastal/Long Distance Medium633.6
Triple Number Coastal/Long Distance High569.3
Triple Number Windward/Leeward Low1040.8
Triple Number Windward/Leeward Medium765.8
Triple Number Windward/Leeward High667.1
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7403
Triple Number Coastal/Long Distance Medium0.9469
Triple Number Coastal/Long Distance High1.0540
Triple Number Windward/Leeward Low0.5765
Triple Number Windward/Leeward Medium0.7835
Triple Number Windward/Leeward High0.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low810.5
Triple Number Coastal/Long Distance Medium633.6
Triple Number Coastal/Long Distance High569.3
Triple Number Windward/Leeward Low1040.8
Triple Number Windward/Leeward Medium765.8
Triple Number Windward/Leeward High667.1
Predominantly Upwind672.7
Predominantly Downwind663.2
Predominantly Reaching630.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7403
Triple Number Coastal/Long Distance Medium0.9469
Triple Number Coastal/Long Distance High1.0540
Triple Number Windward/Leeward Low0.5765
Triple Number Windward/Leeward Medium0.7835
Triple Number Windward/Leeward High0.8994
Coastal/Long Distance0.8672
Predominantly Upwind0.8919
Predominantly Downwind0.9047
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7403
Tretall Distanseseilas Mellomvind0.9469
Tretall Distanseseilas Mye vind1.0540
Tretall Pølsebane Lite vind0.5765
Tretall Pølsebane Mellomvind0.7835
Tretall Pølsebane Mye vind0.8994
Distanseseilas ett tall (OSN 8-16kn)0.8672
Distanseseilas ett tall (APH 6-20kn)0.9414
Enkeltall Motvind0.8919
Enkeltall Medvind0.9047
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Coastal/Long Distance691.80.8672
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind672.70.8919
Predominantly Downwind663.20.9047
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore652.10.9201
Cape Doctor Coastal556.91.0773
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7403
Triple Number Coastal/Long Distance Medium0.9469
Triple Number Coastal/Long Distance High1.0540
Triple Number Windward/Leeward Low0.5765
Triple Number Windward/Leeward Medium0.7835
Triple Number Windward/Leeward High0.8994
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7403
Triple Number Coastal/Long Distance Medium0.9469
Triple Number Coastal/Long Distance High1.0540
Triple Number Windward/Leeward Low0.5765
Triple Number Windward/Leeward Medium0.7835
Triple Number Windward/Leeward High0.8994
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Predominantly Upwind672.70.8919
Predominantly Downwind663.20.9047
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance691.80.8672
Triple Number Coastal/Long Distance Low810.50.7403
Triple Number Coastal/Long Distance Medium633.60.9469
Triple Number Coastal/Long Distance High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1162.5877.0733.7654.6612.8581.2528.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low810.50.7403
Triple Number All Purpose Medium633.60.9469
Triple Number All Purpose High569.31.0540
Triple Number Windward/Leeward Low1040.80.5765
Triple Number Windward/Leeward Medium765.80.7835
Triple Number Windward/Leeward High667.10.8994
Predominantly Upwind672.70.8919
Predominantly Downwind663.20.9047
Predominantly Upwind Low863.30.6950
Predominantly Upwind Medium683.20.8783
Predominantly Upwind High646.40.9282
Predominantly Downwind Low925.90.6480
Predominantly Downwind Medium666.30.9004
Predominantly Downwind High553.61.0837
Chicago-Mac Upwind0.8781
Chicago-Mac All Purpose0.8817
Chicago-Mac Downwind0.8881
Bayview-Mac Cove Island0.8272
Bayview-Mac Shore0.8420
Harvest Moon Regatta564.21.0635
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy658.10.9118
San Francisco Bay Medium759.90.7896
Predominantly Reaching610.50.9827
Predominantly Reaching Low742.80.8077
Predominantly Reaching Medium608.60.9858
Predominantly Reaching High541.11.1088
Windward/Leeward 60-40 Low1029.30.5829
Windward/Leeward 60-40 Medium776.40.7728
Windward/Leeward 60-40 High697.90.8597
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1136.70.5278
5-Band Low / Medium950.40.6313
5-Band Medium752.30.7975
5-Band Medium / High676.30.8872
5-Band High648.70.9250
ORC Ref  04560002I77Issued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

PROBLEM CHILD

USA 83173

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBC-27Measurement25/04/2020HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA7.920Max. Beam2.848Draft1.613Displacement2,085Wetted area12.93IMS L7.152LSM06.812Acc. length7.920Sink (kg/mm) 9.20
VCGD0.059VCGM-0.176RM Rated (kg·m) 34.1Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBW0.083PIPA0.0039
PSD0.024PHD0.070PHL0.138
PSA10.6°ESL0.935
ST10.015ST20.090ST30.090
ST40.050ST50.145
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreaders3Rotating mastNo
P9.590IG10.816ISP10.846MDT10.080MDL10.126MDT20.073MDL20.082TL1.520MW0.082GO0.097
E3.500J3.254BAS1.106FSDSFJSPL3.428WPLTPSBD0.112MWT57.00MCG3.257
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.059Flotation Date25/04/2020MeasurerComment
SFFP0.299FFMFF1.121LCFcl4.533SG1.0050
SAFP7.919FAMFA0.758LCFsh4.750HBI0.870
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0
ORC Ref  04560002I77Issued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
Non Spinnaker
2023

Boat

PROBLEM CHILD

USA 83173

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment29595090.150.771.322.242.9620.052020 MAINSAIL
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment29595160.080.541.062.233.384.60NoNo 25.572020 Headsail
ORC Ref  04560002I77Issued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org