Club Certificate2025
BewitchedGBR 9908T
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles42.9°42.9°40.4°38.5°37.3°36.7°36.5°36.9°38.1°
Beat VMG2.563.534.294.825.085.205.285.345.28
52°3.995.356.296.837.117.247.337.447.47
60°4.225.616.517.007.307.477.597.757.80
75°4.345.756.667.137.507.828.028.298.43
90°4.345.826.827.297.567.938.318.839.16
110°4.445.967.007.638.178.548.879.4910.07
120°4.265.816.937.568.198.819.3310.1811.08
135°3.695.206.447.207.818.459.1611.0313.52
150°3.074.375.526.507.177.688.219.6212.81
Run VMG2.663.794.785.636.236.677.128.3311.10
Gybe Angles142.9°142.9°146.7°149.8°152.8°154.2°151.4°145.3°143.8°
APH ToD:543.7CDL: 9.114APH ToT: 1.1036CertNo:
BOAT
ClassGRAND SURPRISEDesignerJOUBERT/NIVELTBuilderARCHAMBAULTAge date06/2000Series date01/2000Offset fileGRANDSURPRISE31.OFFData fileGBR9908T
HULL
Length Overall9.550 mMaximum Beam2.964 mDraft2.087 mDisplacement2,826 kgDLR3.6113IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.382m
CREW
Maximum weight613 kg(default)Minimum weight483 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail32.1032.88Headsail Luffed22.4322.43Headsail FlyingSymmetricAsymmetric88.8088.80 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.28Storm Jib7.56Heavy Weather Jib20.41
SAIL LIMITS
Headsails5Spinnakers4
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 Certificate2025
BewitchedGBR 9908T
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1406.81019.5838.6747.6708.7691.9682.2673.7681.9
52°903.3673.4572.7526.7506.3497.1490.9483.7481.8
60°852.4642.2553.3514.4493.1481.8474.4464.8461.4
75°830.2625.7540.3505.2480.0460.7448.9434.4427.1
90°829.5618.1527.8494.1476.5453.7433.0407.5392.9
110°810.2603.8514.1472.1440.8421.6405.9379.3357.4
120°845.1619.4519.5476.0439.4408.8385.7353.6324.8
135°976.4691.8559.4500.0461.2426.0393.0326.5266.2
150°1172.5823.1651.6554.2502.3469.0438.3374.3281.0
Run VMG1354.6950.5752.4639.9577.4539.8505.7432.2324.5
Selected Courses
Windward / Leeward1380.2985.0795.5693.8643.0615.9594.0552.9503.2
All purpose1047.0760.2627.7562.6527.2504.4486.0454.8424.2
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward670.70.8946
All purpose543.71.1036
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7833
Downwind "popa"0.9550
70% up, 30% down "Ilhabela"0.8279
30% up, 70% down "Ilhabela-inverso"0.8960
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Predominantly Upwind592.11.0134
Predominantly Downwind548.91.0932
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low694.00.8646
Triple Number AP Medium541.71.1076
Triple Number AP High478.91.2529
Triple Number Windward/Leeward Low929.10.6458
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Single Number Predominant Upwind614.30.9767
Single Number Predominant Reaching538.41.1144
Single Number Predominant Downwind569.41.0536
Predominant Upwind - Low840.40.7139
Predominant Upwind - Low/Med646.70.9278
Predominant Upwind - Medium574.61.0442
Predominant Upwind - Med/High535.41.1206
Predominant Upwind - High512.81.1700
Predominant Downwind Low829.40.7234
Predominant Downwind Low/Med619.10.9692
Predominant Downwind Medium532.11.1275
Predominant Downwind Med/High469.61.2778
Predominant Downwind High416.61.4401
Predominant Reaching Low743.60.8068
Predominant Reaching Low/Med573.91.0455
Predominant Reaching Medium508.01.1811
Predominant Reaching Med/High459.51.3059
Predominant Reaching High422.71.4193
SA/DSPL Upwind27.19SA/DSPL Downwind60.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1036.60.5788
5-Band Windward/Leeward Low/Med765.00.7843
5-Band Windward/Leeward Medium655.50.9153
5-Band Windward/Leeward Med/High594.91.0086
5-Band Windward/Leeward High551.41.0881
Windward/Leeward 60-40 Low1043.50.5750
Windward/Leeward 60-40 Low/Med774.80.7744
Windward/Leeward 60-40 Medium668.60.8974
Windward/Leeward 60-40 Med/High612.80.9791
Windward/Leeward 60-40 High576.51.0408
5-Band AP Low763.70.7857
5-Band AP Low/Med609.40.9846
5-Band AP Medium534.21.1232
5-Band AP Med/High487.31.2313
5-Band AP High454.91.3190
5-Band SF Bay Tour - Low895.30.6702
5-Band SF Bay Tour - Low/Med731.70.8200
5-Band SF Bay Tour - Medium631.00.9509
5-Band SF Bay Tour - Med/High574.41.0445
5-Band SF Bay Tour - High535.41.1206
Chicago-Mac Upwind0.9476
Chicago-Mac All Purpose0.9826
Chicago-Mac Downwind1.0136
Bayview-Mac Cove Island0.7231
Bayview-Mac Shore0.7278
Harvest Moon Regatta467.11.2846
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance590.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating590.71.0157
FinRating, kevyt tuuli1017.00.9833
FinRating, kova tuuli454.71.0996
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0157
Triple Number Coastal/Long Distance Low0.8646
Triple Number Coastal/Long Distance Medium1.1077
Triple Number Coastal/Long Distance High1.2529
Triple Number Windward/Leeward Low0.6740
Triple Number Windward/Leeward Medium0.9011
Triple Number Windward/Leeward High1.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
For information
General Purpose Handicap (GPH)609.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low694.0
Triple Number Coastal/Long Distance Medium541.7
Triple Number Coastal/Long Distance High478.9
Triple Number Windward/Leeward Low890.2
Triple Number Windward/Leeward Medium665.9
Triple Number Windward/Leeward High584.1
Predominantly Upwind592.1
Predominantly Downwind548.9
Predominantly Reaching527.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8646
Triple Number Coastal/Long Distance Medium1.1077
Triple Number Coastal/Long Distance High1.2529
Triple Number Windward/Leeward Low0.6740
Triple Number Windward/Leeward Medium0.9011
Triple Number Windward/Leeward High1.0273
Coastal/Long Distance1.0157
Predominantly Upwind1.0134
Predominantly Downwind1.0932
For information
General Purpose Handicap (GPH)609.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1036
Distanseseilas Trippeltall svak vind0.8646
Distanseseilas Trippeltall mellomvind1.1077
Distanseseilas Trippeltall sterk vind1.2529
Pølsebane Trippeltall svak vind0.6740
Pølsebane Trippeltall mellomvind0.9011
Pølsebane Trippeltall sterk vind1.0273
Motvind Singeltall1.0134
Medvind Singeltall1.0932
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Coastal/Long Distance590.71.0157
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind592.11.0134
Predominantly Downwind548.91.0932
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore518.11.1580
Cape Doctor Coastal433.31.3846
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8646
Triple Number Coastal/Long Distance Medium1.1077
Triple Number Coastal/Long Distance High1.2529
Triple Number Windward/Leeward Low0.6740
Triple Number Windward/Leeward Medium0.9011
Triple Number Windward/Leeward High1.0273
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8646
Triple Number Coastal/Long Distance Medium1.1077
Triple Number Coastal/Long Distance High1.2529
Triple Number Windward/Leeward Low0.6740
Triple Number Windward/Leeward Medium0.9011
Triple Number Windward/Leeward High1.0273
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Predominantly Upwind592.11.0134
Predominantly Downwind548.91.0932
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance590.71.0157
Triple Number Coastal/Long Distance Low694.00.8646
Triple Number Coastal/Long Distance Medium541.71.1077
Triple Number Coastal/Long Distance High478.91.2529
Triple Number Windward/Leeward Low890.20.6740
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1460.1981.6749.0629.2562.1523.4489.7434.1403.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low694.00.8646
Triple Number AP Medium541.71.1076
Triple Number AP High478.91.2529
Triple Number Windward/Leeward Low929.10.6458
Triple Number Windward/Leeward Medium665.90.9011
Triple Number Windward/Leeward High584.11.0273
Single Number Predominant Upwind614.30.9767
Single Number Predominant Reaching538.41.1144
Single Number Predominant Downwind569.41.0536
Predominant Upwind - Low840.40.7139
Predominant Upwind - Low/Med646.70.9278
Predominant Upwind - Medium574.61.0442
Predominant Upwind - Med/High535.41.1206
Predominant Upwind - High512.81.1700
Predominant Downwind Low829.40.7234
Predominant Downwind Low/Med619.10.9692
Predominant Downwind Medium532.11.1275
Predominant Downwind Med/High469.61.2778
Predominant Downwind High416.61.4401
Predominant Reaching Low743.60.8068
Predominant Reaching Low/Med573.91.0455
Predominant Reaching Medium508.01.1811
Predominant Reaching Med/High459.51.3059
Predominant Reaching High422.71.4193
SA/DSPL Upwind27.19SA/DSPL Downwind60.27
Scoring OptionTODTOT
5-Band Windward/Leeward Low1036.60.5788
5-Band Windward/Leeward Low/Med765.00.7843
5-Band Windward/Leeward Medium655.50.9153
5-Band Windward/Leeward Med/High594.91.0086
5-Band Windward/Leeward High551.41.0881
Windward/Leeward 60-40 Low1043.50.5750
Windward/Leeward 60-40 Low/Med774.80.7744
Windward/Leeward 60-40 Medium668.60.8974
Windward/Leeward 60-40 Med/High612.80.9791
Windward/Leeward 60-40 High576.51.0408
5-Band AP Low763.70.7857
5-Band AP Low/Med609.40.9846
5-Band AP Medium534.21.1232
5-Band AP Med/High487.31.2313
5-Band AP High454.91.3190
5-Band SF Bay Tour - Low895.30.6702
5-Band SF Bay Tour - Low/Med731.70.8200
5-Band SF Bay Tour - Medium631.00.9509
5-Band SF Bay Tour - Med/High574.41.0445
5-Band SF Bay Tour - High535.41.1206
Chicago-Mac Upwind0.9476
Chicago-Mac All Purpose0.9826
Chicago-Mac Downwind1.0136
Bayview-Mac Cove Island0.7231
Bayview-Mac Shore0.7278
Harvest Moon Regatta467.11.2846
Club Certificate2025
BewitchedGBR 9908T
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassGRAND SURPRISEMeasurement02/05/2025HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.550Max. Beam2.964Draft2.087Displacement2,826Wetted area18.92IMS L9.349LSM09.214Acc. length9.550Sink (kg/mm) 14.54
VCGD-0.175VCGM-0.143RM Rated (kg·m) 69.1Limit of positive stability(°) N/AStability IndexN/ADefault crew weight613Declared crew weightN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.382PBW0.003PIPA0.0040
PSD0.025PHD0.069PHL0.115
PSA14.7°ESL0.875
ST10.015ST20.079ST30.082
ST40.047ST50.165
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P12.100IG12.294ISP13.560MDT10.106MDL10.161MDT2MDL2TLTaperMWGO
E4.380J3.420BAS1.344FSDFoilSFJ0.130SPLWPLTPS4.880BD0.144MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date03/02/2020
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
BewitchedGBR 9908T
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment010.160.991.772.863.7032.10
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment010.060.561.091.962.793.5411.84YesNo 22.43
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment0114.9313.2014.077.507.8895%88.80