Club Certificate2025
WHITE SNAKE-OSUI 1-O
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
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 Angles42.1°42.1°39.1°37.8°37.6°37.3°37.1°37.5°38.8°
Beat VMG3.434.394.905.185.345.445.505.535.41
52°5.356.617.097.367.537.657.747.847.77
60°5.706.967.367.627.827.978.088.218.18
75°5.937.287.758.058.288.498.678.878.96
90°5.807.318.018.438.749.019.279.7310.04
110°5.446.907.698.459.179.7610.2311.1011.67
120°5.016.637.718.519.099.6710.4311.8413.02
135°4.386.047.328.219.2110.3511.2313.0014.84
150°3.575.076.357.308.169.0710.1613.6416.94
Run VMG3.094.395.506.337.077.868.8011.8114.80
Gybe Angles141.8°141.8°146.2°152.0°150.5°148.3°146.7°146.9°151.3°
APH ToD:486.7CDL: 9.671APH ToT: 1.2328CertNo:SU1036
BOAT
ClassTODDesignerA.JUSTINBuilderPRELEXAge date09/2012Series date09/2012Offset fileTOD-05-03C.offData fileSUI1036-O
HULL
Length Overall9.980 mMaximum Beam2.980 mDraft2.434 mDisplacement2,269 kgDLR2.8914IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.422%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight370 kg(declared)Minimum weight240 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.0037.05Headsail Luffed29.1629.16Headsail Flying60.6660.66SymmetricAsymmetric122.58122.58 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail9.91Storm Jib8.48Heavy Weather Jib22.88
SAIL LIMITS
Headsails6Spinnakers5
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
WHITE SNAKE-OSUI 1-O
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
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 VMG1050.3820.4734.9695.0674.0661.7654.1651.3665.7
52°673.4544.3507.6489.2478.3470.8465.1459.3463.6
60°631.8516.9488.9472.4460.2451.7445.3438.7440.3
75°607.3494.3464.4447.1435.0423.8415.3405.6401.8
90°620.7492.6449.2426.9411.7399.5388.3370.1358.5
110°661.9521.7468.0426.2392.7368.8351.8324.4308.4
120°718.3543.0466.6423.2395.9372.3345.1304.0276.6
135°821.3595.6491.9438.6390.8347.9320.5276.9242.6
150°1008.7709.9567.3493.4441.3396.8354.4263.9212.6
Run VMG1163.8819.7655.1568.7509.3458.2409.2304.8243.2
Selected Courses
Windward / Leeward1101.9820.0695.0631.9591.7559.9531.6478.0454.5
All purpose824.8630.5550.1507.9478.8455.7436.4403.3388.0
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward603.40.9943
All purpose486.71.2328
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8587
Downwind "popa"1.1276
70% up, 30% down "Ilhabela"0.9248
30% up, 70% down "Ilhabela-inverso"1.0307
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Predominantly Upwind537.41.1165
Predominantly Downwind479.21.2521
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low590.31.0164
Triple Number AP Medium488.71.2278
Triple Number AP High428.81.3992
Triple Number Windward/Leeward Low786.10.7632
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Single Number Predominant Upwind548.21.0945
Single Number Predominant Reaching468.41.2809
Single Number Predominant Downwind492.81.2176
Predominant Upwind - Low682.10.8797
Predominant Upwind - Low/Med571.21.0505
Predominant Upwind - Medium527.01.1385
Predominant Upwind - Med/High495.21.2115
Predominant Upwind - High477.41.2568
Predominant Downwind Low697.50.8602
Predominant Downwind Low/Med541.21.1086
Predominant Downwind Medium467.71.2828
Predominant Downwind Med/High402.81.4894
Predominant Downwind High353.31.6982
Predominant Reaching Low610.30.9831
Predominant Reaching Low/Med499.11.2021
Predominant Reaching Medium449.31.3354
Predominant Reaching Med/High407.61.4721
Predominant Reaching High379.41.5816
SA/DSPL Upwind37.64SA/DSPL Downwind91.59
Scoring OptionTODTOT
5-Band Windward/Leeward Low860.50.6973
5-Band Windward/Leeward Low/Med675.90.8877
5-Band Windward/Leeward Medium596.61.0057
5-Band Windward/Leeward Med/High532.41.1270
5-Band Windward/Leeward High483.21.2417
Windward/Leeward 60-40 Low859.70.6979
Windward/Leeward 60-40 Low/Med685.60.8752
Windward/Leeward 60-40 Medium613.10.9787
Windward/Leeward 60-40 Med/High557.21.0767
Windward/Leeward 60-40 High517.41.1596
5-Band AP Low634.20.9461
5-Band AP Low/Med536.51.1183
5-Band AP Medium482.21.2444
5-Band AP Med/High437.61.3710
5-Band AP High406.41.4764
5-Band SF Bay Tour - Low751.50.7984
5-Band SF Bay Tour - Low/Med646.90.9275
5-Band SF Bay Tour - Medium574.91.0436
5-Band SF Bay Tour - Med/High518.01.1584
5-Band SF Bay Tour - High477.21.2574
Chicago-Mac Upwind1.0658
Chicago-Mac All Purpose1.1189
Chicago-Mac Downwind1.1668
Bayview-Mac Cove Island0.8611
Bayview-Mac Shore0.8690
Harvest Moon Regatta409.11.4668
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance531.1
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating531.11.1297
FinRating, kevyt tuuli840.01.1904
FinRating, kova tuuli406.91.2289
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.1297
Triple Number Coastal/Long Distance Low1.0164
Triple Number Coastal/Long Distance Medium1.2279
Triple Number Coastal/Long Distance High1.3992
Triple Number Windward/Leeward Low0.7921
Triple Number Windward/Leeward Medium0.9905
Triple Number Windward/Leeward High1.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
For information
General Purpose Handicap (GPH)538.0
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low590.3
Triple Number Coastal/Long Distance Medium488.6
Triple Number Coastal/Long Distance High428.8
Triple Number Windward/Leeward Low757.5
Triple Number Windward/Leeward Medium605.8
Triple Number Windward/Leeward High518.6
Predominantly Upwind537.4
Predominantly Downwind479.2
Predominantly Reaching461.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0164
Triple Number Coastal/Long Distance Medium1.2279
Triple Number Coastal/Long Distance High1.3992
Triple Number Windward/Leeward Low0.7921
Triple Number Windward/Leeward Medium0.9905
Triple Number Windward/Leeward High1.1570
Coastal/Long Distance1.1297
Predominantly Upwind1.1165
Predominantly Downwind1.2521
For information
General Purpose Handicap (GPH)538.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.2328
Distanseseilas Trippeltall svak vind1.0164
Distanseseilas Trippeltall mellomvind1.2279
Distanseseilas Trippeltall sterk vind1.3992
Pølsebane Trippeltall svak vind0.7921
Pølsebane Trippeltall mellomvind0.9905
Pølsebane Trippeltall sterk vind1.1570
Motvind Singeltall1.1165
Medvind Singeltall1.2521
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Coastal/Long Distance531.11.1297
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind537.41.1165
Predominantly Downwind479.21.2521
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore461.51.3000
Cape Doctor Coastal392.61.5284
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0164
Triple Number Coastal/Long Distance Medium1.2279
Triple Number Coastal/Long Distance High1.3992
Triple Number Windward/Leeward Low0.7921
Triple Number Windward/Leeward Medium0.9905
Triple Number Windward/Leeward High1.1570
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low1.0164
Triple Number Coastal/Long Distance Medium1.2279
Triple Number Coastal/Long Distance High1.3992
Triple Number Windward/Leeward Low0.7921
Triple Number Windward/Leeward Medium0.9905
Triple Number Windward/Leeward High1.1570
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Predominantly Upwind537.41.1165
Predominantly Downwind479.21.2521
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance531.11.1297
Triple Number Coastal/Long Distance Low590.31.0164
Triple Number Coastal/Long Distance Medium488.61.2279
Triple Number Coastal/Long Distance High428.81.3992
Triple Number Windward/Leeward Low757.50.7921
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1167.6820.0654.6570.6514.4476.4441.2381.7363.1
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low590.31.0164
Triple Number AP Medium488.71.2278
Triple Number AP High428.81.3992
Triple Number Windward/Leeward Low786.10.7632
Triple Number Windward/Leeward Medium605.80.9905
Triple Number Windward/Leeward High518.61.1570
Single Number Predominant Upwind548.21.0945
Single Number Predominant Reaching468.41.2809
Single Number Predominant Downwind492.81.2176
Predominant Upwind - Low682.10.8797
Predominant Upwind - Low/Med571.21.0505
Predominant Upwind - Medium527.01.1385
Predominant Upwind - Med/High495.21.2115
Predominant Upwind - High477.41.2568
Predominant Downwind Low697.50.8602
Predominant Downwind Low/Med541.21.1086
Predominant Downwind Medium467.71.2828
Predominant Downwind Med/High402.81.4894
Predominant Downwind High353.31.6982
Predominant Reaching Low610.30.9831
Predominant Reaching Low/Med499.11.2021
Predominant Reaching Medium449.31.3354
Predominant Reaching Med/High407.61.4721
Predominant Reaching High379.41.5816
SA/DSPL Upwind37.64SA/DSPL Downwind91.59
Scoring OptionTODTOT
5-Band Windward/Leeward Low860.50.6973
5-Band Windward/Leeward Low/Med675.90.8877
5-Band Windward/Leeward Medium596.61.0057
5-Band Windward/Leeward Med/High532.41.1270
5-Band Windward/Leeward High483.21.2417
Windward/Leeward 60-40 Low859.70.6979
Windward/Leeward 60-40 Low/Med685.60.8752
Windward/Leeward 60-40 Medium613.10.9787
Windward/Leeward 60-40 Med/High557.21.0767
Windward/Leeward 60-40 High517.41.1596
5-Band AP Low634.20.9461
5-Band AP Low/Med536.51.1183
5-Band AP Medium482.21.2444
5-Band AP Med/High437.61.3710
5-Band AP High406.41.4764
5-Band SF Bay Tour - Low751.50.7984
5-Band SF Bay Tour - Low/Med646.90.9275
5-Band SF Bay Tour - Medium574.91.0436
5-Band SF Bay Tour - Med/High518.01.1584
5-Band SF Bay Tour - High477.21.2574
Chicago-Mac Upwind1.0658
Chicago-Mac All Purpose1.1189
Chicago-Mac Downwind1.1668
Bayview-Mac Cove Island0.8611
Bayview-Mac Shore0.8690
Harvest Moon Regatta409.11.4668
Club Certificate2025
WHITE SNAKE-OSUI 1-O
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassTODMeasurement03/07/2017HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA9.980Max. Beam2.980Draft2.434Displacement2,269Wetted area18.62IMS L9.525LSM09.223Acc. length9.685Sink (kg/mm) 14.47
VCGD-0.372VCGM-0.410RM Rated (kg·m) 78.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight613Declared crew weight370
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P13.640IG13.016ISP14.890MDT10.112MDL10.221MDT2MDL2TLTaperMW0.202GO0.202
E4.150J3.905BAS1.500FSDFoilSFJ0.150SPLWPLTPS6.100BDMWTMCG
Flying Headsail Foretriangles IdISPTPS114.8904.895
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.372Flotation Date08/05/2018
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
WHITE SNAKE-OSUI 1-O
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.901.351.872.733.4536.0018/05/2017
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentC00.101.122.144.115.947.6115.20NoYes160.6604/05/2018J1T0.080.791.492.814.015.2115.22NoYes141.4926/02/2020Jib TopJ10.100.701.282.273.154.1513.29YesNo 29.1629/03/2022
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA117.1114.8816.009.288.86105%122.5812/05/2017