Club
Certificate
2024

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 24 kt
Beat Angles41.8°40.1°37.6°36.6°36.0°35.8°35.7°36.6°
Beat VMG3.354.014.434.614.704.744.794.74
52°5.045.796.136.306.396.446.506.49
60°5.265.946.246.426.546.596.696.71
75°5.376.016.336.556.736.867.027.12
90°5.255.966.336.596.827.027.337.54
110°5.095.996.456.787.087.347.717.95
120°4.945.886.376.757.097.438.188.82
135°4.495.506.126.516.867.228.1810.11
150°3.834.845.666.186.536.867.578.72
Run VMG3.324.194.945.546.056.417.037.72
Gybe Angles146.0°150.3°154.3°163.3°177.2°178.8°178.8°177.1°
APH ToD:619.1CDL: 7.240APH ToT: 0.9691CertNo: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 kg(declared)Minimum 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.

Club
Certificate
2024

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 24 kt
Beat VMG1074.2898.8812.4781.2766.4759.0752.1759.9
52°714.7621.5587.5571.1563.5559.3553.7554.6
60°684.9606.3577.3560.4550.9546.0538.1536.5
75°670.8598.6568.7549.5534.7524.8512.9505.7
90°685.5603.7568.7546.1528.2512.8491.0477.3
110°707.2600.8558.5530.8508.5490.4466.9452.7
120°728.1612.0564.8533.5507.7484.4439.9408.1
135°801.3654.9588.0553.2524.7498.4440.1355.9
150°940.1743.8636.0582.4551.1524.7475.5412.9
Run VMG1085.6858.7729.3649.7595.2561.9512.2466.1
Selected Courses
Windward / Leeward1079.9878.7770.8715.4680.8660.4632.1613.0
All purpose839.6702.2636.2601.6579.5563.7538.1516.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward744.50.8059
All purpose619.10.9691
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7187
Downwind "popa"0.8413
70% up, 30% down "Ilhabela"0.7515
30% up, 70% down "Ilhabela-inverso"0.8003
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Predominantly Upwind663.30.9045
Predominantly Downwind630.20.9521
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low770.90.7783
Triple Number AP Medium616.00.9740
Triple Number AP High558.11.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Single Number Predominant Upwind661.70.9067
Single Number Predominant Reaching598.51.0025
Single Number Predominant Downwind631.20.9506
Predominant Upwind - Low834.10.7194
Predominant Upwind - Low/Med714.60.8396
Predominant Upwind - Medium645.90.9289
Predominant Upwind - Med/High611.20.9817
Predominant Upwind - High592.91.0119
Predominant Downwind Low851.10.7049
Predominant Downwind Low/Med705.00.8511
Predominant Downwind Medium611.20.9817
Predominant Downwind Med/High550.11.0907
Predominant Downwind High507.51.1823
Predominant Reaching Low758.80.7907
Predominant Reaching Low/Med650.90.9218
Predominant Reaching Medium584.91.0258
Predominant Reaching Med/High541.91.1073
Predominant Reaching High510.41.1756
SA/DSPL Upwind27.88SA/DSPL Downwind43.02
Scoring OptionTODTOT
5-Band Windward/Leeward Low1034.20.5801
5-Band Windward/Leeward Low/Med846.20.7090
5-Band Windward/Leeward Medium727.80.8244
5-Band Windward/Leeward Med/High663.70.9040
5-Band Windward/Leeward High633.70.9468
Windward/Leeward 60-40 Low1034.30.5801
Windward/Leeward 60-40 Low/Med852.30.7040
Windward/Leeward 60-40 Medium740.60.8102
Windward/Leeward 60-40 Med/High683.10.8783
Windward/Leeward 60-40 High657.90.9120
5-Band AP Low808.40.7422
5-Band AP Low/Med684.30.8768
5-Band AP Medium608.80.9855
5-Band AP Med/High565.21.0615
5-Band AP High538.71.1137
5-Band SF Bay Tour - Low982.40.6108
5-Band SF Bay Tour - Low/Med810.80.7400
5-Band SF Bay Tour - Medium706.10.8497
5-Band SF Bay Tour - Med/High650.30.9227
5-Band SF Bay Tour - High620.80.9664
Chicago-Mac Upwind0.8908
Chicago-Mac All Purpose0.9113
Chicago-Mac Downwind0.9371
Bayview-Mac Cove Island0.8559
Bayview-Mac Shore0.8640
Harvest Moon Regatta548.01.0949
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance669.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7783
Triple Number Coastal/Long Distance Medium0.9740
Triple Number Coastal/Long Distance High1.0752
Triple Number Windward/Leeward Low0.6127
Triple Number Windward/Leeward Medium0.8121
Triple Number Windward/Leeward High0.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low770.9
Triple Number Coastal/Long Distance Medium616.0
Triple Number Coastal/Long Distance High558.0
Triple Number Windward/Leeward Low979.3
Triple Number Windward/Leeward Medium738.8
Triple Number Windward/Leeward High654.9
Predominantly Upwind663.3
Predominantly Downwind630.2
Predominantly Reaching607.5
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7783
Triple Number Coastal/Long Distance Medium0.9740
Triple Number Coastal/Long Distance High1.0752
Triple Number Windward/Leeward Low0.6127
Triple Number Windward/Leeward Medium0.8121
Triple Number Windward/Leeward High0.9162
Coastal/Long Distance0.8966
Predominantly Upwind0.9045
Predominantly Downwind0.9521
For information
General Purpose Handicap (GPH)689.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7783
Tretall Distanseseilas Mellomvind0.9740
Tretall Distanseseilas Mye vind1.0752
Tretall Pølsebane Lite vind0.6127
Tretall Pølsebane Mellomvind0.8121
Tretall Pølsebane Mye vind0.9162
Distanseseilas ett tall0.9691
Enkeltall Motvind0.9045
Enkeltall Medvind0.9521
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Coastal/Long Distance669.20.8966
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind663.30.9045
Predominantly Downwind630.20.9521
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore618.70.9698
Cape Doctor Coastal522.71.1479
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7783
Triple Number Coastal/Long Distance Medium0.9740
Triple Number Coastal/Long Distance High1.0752
Triple Number Windward/Leeward Low0.6127
Triple Number Windward/Leeward Medium0.8121
Triple Number Windward/Leeward High0.9162
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7783
Triple Number Coastal/Long Distance Medium0.9740
Triple Number Coastal/Long Distance High1.0752
Triple Number Windward/Leeward Low0.6127
Triple Number Windward/Leeward Medium0.8121
Triple Number Windward/Leeward High0.9162
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Predominantly Upwind663.30.9045
Predominantly Downwind630.20.9521
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance669.20.8966
Triple Number Coastal/Long Distance Low770.90.7783
Triple Number Coastal/Long Distance Medium616.00.9740
Triple Number Coastal/Long Distance High558.01.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1080.5831.3705.4637.9599.9569.7516.7495.5
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low770.90.7783
Triple Number AP Medium616.00.9740
Triple Number AP High558.11.0752
Triple Number Windward/Leeward Low979.30.6127
Triple Number Windward/Leeward Medium738.80.8121
Triple Number Windward/Leeward High654.90.9162
Single Number Predominant Upwind661.70.9067
Single Number Predominant Reaching598.51.0025
Single Number Predominant Downwind631.20.9506
Predominant Upwind - Low834.10.7194
Predominant Upwind - Low/Med714.60.8396
Predominant Upwind - Medium645.90.9289
Predominant Upwind - Med/High611.20.9817
Predominant Upwind - High592.91.0119
Predominant Downwind Low851.10.7049
Predominant Downwind Low/Med705.00.8511
Predominant Downwind Medium611.20.9817
Predominant Downwind Med/High550.11.0907
Predominant Downwind High507.51.1823
Predominant Reaching Low758.80.7907
Predominant Reaching Low/Med650.90.9218
Predominant Reaching Medium584.91.0258
Predominant Reaching Med/High541.91.1073
Predominant Reaching High510.41.1756
SA/DSPL Upwind27.88SA/DSPL Downwind43.02
Scoring OptionTODTOT
5-Band Windward/Leeward Low1034.20.5801
5-Band Windward/Leeward Low/Med846.20.7090
5-Band Windward/Leeward Medium727.80.8244
5-Band Windward/Leeward Med/High663.70.9040
5-Band Windward/Leeward High633.70.9468
Windward/Leeward 60-40 Low1034.30.5801
Windward/Leeward 60-40 Low/Med852.30.7040
Windward/Leeward 60-40 Medium740.60.8102
Windward/Leeward 60-40 Med/High683.10.8783
Windward/Leeward 60-40 High657.90.9120
5-Band AP Low808.40.7422
5-Band AP Low/Med684.30.8768
5-Band AP Medium608.80.9855
5-Band AP Med/High565.21.0615
5-Band AP High538.71.1137
5-Band SF Bay Tour - Low982.40.6108
5-Band SF Bay Tour - Low/Med810.80.7400
5-Band SF Bay Tour - Medium706.10.8497
5-Band SF Bay Tour - Med/High650.30.9227
5-Band SF Bay Tour - High620.80.9664
Chicago-Mac Upwind0.8908
Chicago-Mac All Purpose0.9113
Chicago-Mac Downwind0.9371
Bayview-Mac Cove Island0.8559
Bayview-Mac Shore0.8640
Harvest Moon Regatta548.01.0949

Club
Certificate
2024

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 L7.173LSM06.812Acc. length7.920Sink (kg/mm) 9.20
VCGD0.059VCGM-0.176RM Rated (kg·m) 34.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight398Declared crew weight521
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 FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders3Rotating 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 Date25/04/2020
BALLAST
TANKS
IdDescriptionCapacityLCGVCGSp.WghtLevel
Sailing
0.000.00
INVENTORY
IdDescriptionWeight SailingLCGVCGGAIdDescriptionWeight SailingLCGVCGGAa0.00   
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0

Club
Certificate
2024

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