Club
Certificate
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°35.7°
Beat VMG3.364.014.444.614.704.754.78
52°5.055.806.136.306.396.456.50
60°5.275.956.246.436.546.616.68
75°5.386.026.346.566.746.867.01
90°5.265.976.346.606.827.027.34
110°5.106.006.456.797.087.357.74
120°4.955.896.386.767.107.458.23
135°4.505.516.136.526.887.258.23
150°3.844.855.676.196.556.887.61
Run VMG3.324.214.955.566.076.427.06
Gybe Angles146.0°150.5°155.0°164.6°177.2°179.0°179.0°

APH: 618.2

CDL: 7.233

GPH: 688.2

CertNo: US6544

BOAT
ClassBC-27DesignerJonesBuilderBC BoatworksAge date01/1993Series date01/1993Offset filebc27.offData fileUS6544
HULL
Length Overall7.920 mMaximum Beam2.848 mDraft1.613 mDisplacement2,085 kgDLR6.5931IMS DivisionPerformanceDynamic Allowance0.000%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 FlyingSymmetric50.3450.34Asymmetric
STORM SAIL AREAS (m²)
Trysail5.88Storm Jib5.91Heavy Weather Jib15.94
SAIL LIMITS
Headsails5  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  04560002I78Issued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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 VMG1071.7896.9811.6780.9766.0757.4752.5
52°712.8620.5587.0571.0563.3558.5554.0
60°683.2605.5576.8560.1550.8544.9538.9
75°669.3598.0568.3549.0534.2524.5513.3
90°684.0603.1568.2545.6527.6512.5490.3
110°706.5600.3558.0530.3508.2489.8465.1
120°727.0611.3564.3532.7506.7483.4437.6
135°799.9653.5587.2552.3523.6496.9437.4
150°937.7741.6634.4581.3549.9523.2473.3
Run VMG1082.8856.1727.1647.5593.5560.3510.2
Selected Courses
Windward / Leeward1077.2876.5769.3714.2679.7658.9631.3
All purpose837.8700.9635.1600.9578.8562.6537.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward743.00.8075
All purpose618.20.9706
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7196
Downwind "popa"0.8438
70% up, 30% down "Ilhabela"0.7528
30% up, 70% down "Ilhabela-inverso"0.8022
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Predominantly Upwind662.40.9058
Predominantly Downwind628.90.9541
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low769.30.7799
Triple Number All Purpose Medium615.10.9754
Triple Number All Purpose High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Predominantly Upwind662.40.9058
Predominantly Downwind628.90.9541
Predominantly Upwind Low841.50.7130
Predominantly Upwind Medium680.70.8814
Predominantly Upwind High644.50.9310
Predominantly Downwind Low845.40.7097
Predominantly Downwind Medium625.40.9594
Predominantly Downwind High528.41.1355
Chicago-Mac Upwind0.8920
Chicago-Mac All Purpose0.9128
Chicago-Mac Downwind0.9391
Bayview-Mac Cove Island0.8575
Bayview-Mac Shore0.8655
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching593.71.0106
Predominantly Reaching Low704.90.8511
Predominantly Reaching Medium589.81.0173
Predominantly Reaching High526.81.1390
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1061.80.5651
5-Band Low / Medium897.40.6686
5-Band Medium726.40.8260
5-Band Medium / High662.40.9058
5-Band High636.10.9433
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance668.0
Triple Number Coastal/Long Distance Low769.3
Triple Number Coastal/Long Distance Medium615.1
Triple Number Coastal/Long Distance High557.2
Triple Number Windward/Leeward Low976.9
Triple Number Windward/Leeward Medium737.5
Triple Number Windward/Leeward High653.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7799
Triple Number Coastal/Long Distance Medium0.9754
Triple Number Coastal/Long Distance High1.0769
Triple Number Windward/Leeward Low0.6142
Triple Number Windward/Leeward Medium0.8136
Triple Number Windward/Leeward High0.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low769.3
Triple Number Coastal/Long Distance Medium615.1
Triple Number Coastal/Long Distance High557.2
Triple Number Windward/Leeward Low976.9
Triple Number Windward/Leeward Medium737.5
Triple Number Windward/Leeward High653.7
Predominantly Upwind662.4
Predominantly Downwind628.9
Predominantly Reaching606.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7799
Triple Number Coastal/Long Distance Medium0.9754
Triple Number Coastal/Long Distance High1.0769
Triple Number Windward/Leeward Low0.6142
Triple Number Windward/Leeward Medium0.8136
Triple Number Windward/Leeward High0.9178
Coastal/Long Distance0.8982
Predominantly Upwind0.9058
Predominantly Downwind0.9541
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7799
Tretall Distanseseilas Mellomvind0.9754
Tretall Distanseseilas Mye vind1.0769
Tretall Pølsebane Lite vind0.6142
Tretall Pølsebane Mellomvind0.8136
Tretall Pølsebane Mye vind0.9178
Distanseseilas ett tall (OSN 8-16kn)0.8982
Distanseseilas ett tall (APH 6-20kn)0.9706
Enkeltall Motvind0.9058
Enkeltall Medvind0.9541
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Coastal/Long Distance668.00.8982
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind662.40.9058
Predominantly Downwind628.90.9541
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore639.60.9381
Cape Doctor Coastal544.91.1012
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7799
Triple Number Coastal/Long Distance Medium0.9754
Triple Number Coastal/Long Distance High1.0769
Triple Number Windward/Leeward Low0.6142
Triple Number Windward/Leeward Medium0.8136
Triple Number Windward/Leeward High0.9178
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7799
Triple Number Coastal/Long Distance Medium0.9754
Triple Number Coastal/Long Distance High1.0769
Triple Number Windward/Leeward Low0.6142
Triple Number Windward/Leeward Medium0.8136
Triple Number Windward/Leeward High0.9178
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Predominantly Upwind662.40.9058
Predominantly Downwind628.90.9541
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance668.00.8982
Triple Number Coastal/Long Distance Low769.30.7799
Triple Number Coastal/Long Distance Medium615.10.9754
Triple Number Coastal/Long Distance High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1077.8829.3704.2637.1599.2568.5515.8
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low769.30.7799
Triple Number All Purpose Medium615.10.9754
Triple Number All Purpose High557.21.0769
Triple Number Windward/Leeward Low976.90.6142
Triple Number Windward/Leeward Medium737.50.8136
Triple Number Windward/Leeward High653.70.9178
Predominantly Upwind662.40.9058
Predominantly Downwind628.90.9541
Predominantly Upwind Low841.50.7130
Predominantly Upwind Medium680.70.8814
Predominantly Upwind High644.50.9310
Predominantly Downwind Low845.40.7097
Predominantly Downwind Medium625.40.9594
Predominantly Downwind High528.41.1355
Chicago-Mac Upwind0.8920
Chicago-Mac All Purpose0.9128
Chicago-Mac Downwind0.9391
Bayview-Mac Cove Island0.8575
Bayview-Mac Shore0.8655
Harvest Moon Regatta547.01.0969
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy642.80.9335
San Francisco Bay Medium731.70.8200
Predominantly Reaching593.71.0106
Predominantly Reaching Low704.90.8511
Predominantly Reaching Medium589.81.0173
Predominantly Reaching High526.81.1390
Windward/Leeward 60-40 Low978.30.6133
Windward/Leeward 60-40 Medium757.80.7918
Windward/Leeward 60-40 High689.10.8707
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1061.80.5651
5-Band Low / Medium897.40.6686
5-Band Medium726.40.8260
5-Band Medium / High662.40.9058
5-Band High636.10.9433
ORC Ref  04560002I78Issued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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  04560002I78Issued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
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
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment295952410.4810.4810.485.795.6650.342020 Symm Spin
ORC Ref  04560002I78Issued on 17/04/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org