Club
Certificate
2024

Boat

TESSA

EST 324

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.2°41.1°39.6°38.2°37.6°37.1°36.9°37.2°
Beat VMG3.424.144.664.995.145.245.325.31
52°5.216.136.707.007.167.247.337.35
60°5.486.376.877.157.327.427.537.57
75°5.646.527.007.297.507.677.877.98
90°5.526.487.067.357.567.788.148.37
110°5.526.627.217.587.898.148.468.64
120°5.376.497.157.557.898.228.799.15
135°4.865.976.797.297.668.038.769.63
150°4.075.186.126.847.297.648.349.10
Run VMG3.534.485.306.026.617.097.778.43
Gybe Angles144.1°149.2°151.9°157.4°169.1°177.4°178.6°178.6°
APH ToD:566.6CDL: 9.181APH ToT: 1.0589CertNo:090/21
BOAT
ClassRidas 35DesignerLönngren/RidasBuilderRidas JahtAge date04/2002Series date06/1997Offset fileRIDAS35.OFFData fileEST324
HULL
Length Overall10.620 mMaximum Beam3.398 mDraft1.988 mDisplacement6,240 kgDLR6.7098IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight660 kg(declared)Minimum weight530 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail33.9334.44Headsail Luffed36.1236.12Headsail FlyingSymmetric92.0692.06Asymmetric
STORM SAIL AREAS (m²)
Trysail10.12Storm Jib9.68Heavy Weather Jib26.13
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

TESSA

EST 324

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1052.4869.2771.9722.2700.1687.6676.8677.7
52°691.0587.3537.5514.6503.1497.4491.4489.5
60°656.9565.2523.9503.6491.9485.2478.2475.3
75°638.1551.8514.0494.0480.0469.6457.5451.1
90°652.1555.8510.2489.9476.3462.8442.5430.2
110°652.0543.5499.1475.0456.4442.1425.8416.8
120°670.4554.9503.8477.1456.2438.2409.7393.6
135°740.7603.2530.0494.1469.9448.3410.8373.7
150°883.7695.5588.7526.4494.0471.3431.7395.8
Run VMG1020.4803.1678.9598.3544.9507.6463.1427.1
Selected Courses
Windward / Leeward1036.4836.2725.4660.2622.5597.6570.0552.4
All purpose799.2658.4585.8546.4523.4507.4486.1471.8
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward691.30.8679
All purpose566.61.0589
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7664
Downwind "popa"0.9098
70% up, 30% down "Ilhabela"0.8044
30% up, 70% down "Ilhabela-inverso"0.8615
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Predominantly Upwind610.90.9821
Predominantly Downwind577.41.0392
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low728.80.8233
Triple Number AP Medium563.21.0654
Triple Number AP High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Single Number Predominant Upwind609.70.9842
Single Number Predominant Reaching545.81.0993
Single Number Predominant Downwind577.91.0382
Predominant Upwind - Low800.70.7494
Predominant Upwind - Low/Med670.60.8947
Predominant Upwind - Medium591.01.0153
Predominant Upwind - Med/High550.81.0893
Predominant Upwind - High533.51.1247
Predominant Downwind Low800.80.7492
Predominant Downwind Low/Med653.30.9184
Predominant Downwind Medium556.71.0778
Predominant Downwind Med/High497.01.2071
Predominant Downwind High463.41.2949
Predominant Reaching Low716.80.8370
Predominant Reaching Low/Med601.10.9982
Predominant Reaching Medium529.81.1325
Predominant Reaching Med/High488.31.2287
Predominant Reaching High463.81.2938
SA/DSPL Upwind20.54SA/DSPL Downwind36.95
Scoring OptionTODTOT
5-Band Windward/Leeward Low991.00.6055
5-Band Windward/Leeward Low/Med800.60.7494
5-Band Windward/Leeward Medium674.20.8899
5-Band Windward/Leeward Med/High602.40.9960
5-Band Windward/Leeward High571.71.0495
Windward/Leeward 60-40 Low994.90.6031
Windward/Leeward 60-40 Low/Med808.50.7421
Windward/Leeward 60-40 Medium686.60.8739
Windward/Leeward 60-40 Med/High620.10.9676
Windward/Leeward 60-40 High593.11.0116
5-Band AP Low767.30.7820
5-Band AP Low/Med637.00.9419
5-Band AP Medium555.21.0808
5-Band AP Med/High509.81.1770
5-Band AP High487.31.2313
5-Band SF Bay Tour - Low940.80.6378
5-Band SF Bay Tour - Low/Med765.50.7838
5-Band SF Bay Tour - Medium651.80.9205
5-Band SF Bay Tour - Med/High589.51.0177
5-Band SF Bay Tour - High561.91.0679
Chicago-Mac Upwind0.9646
Chicago-Mac All Purpose0.9891
Chicago-Mac Downwind1.0211
Bayview-Mac Cove Island0.9191
Bayview-Mac Shore0.9282
Harvest Moon Regatta496.91.2075
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance615.9
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8233
Triple Number Coastal/Long Distance Medium1.0655
Triple Number Coastal/Long Distance High1.1919
Triple Number Windward/Leeward Low0.6408
Triple Number Windward/Leeward Medium0.8731
Triple Number Windward/Leeward High1.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low728.8
Triple Number Coastal/Long Distance Medium563.1
Triple Number Coastal/Long Distance High503.4
Triple Number Windward/Leeward Low936.3
Triple Number Windward/Leeward Medium687.2
Triple Number Windward/Leeward High593.5
Predominantly Upwind610.9
Predominantly Downwind577.4
Predominantly Reaching554.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8233
Triple Number Coastal/Long Distance Medium1.0655
Triple Number Coastal/Long Distance High1.1919
Triple Number Windward/Leeward Low0.6408
Triple Number Windward/Leeward Medium0.8731
Triple Number Windward/Leeward High1.0110
Coastal/Long Distance0.9742
Predominantly Upwind0.9821
Predominantly Downwind1.0392
For information
General Purpose Handicap (GPH)636.0
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8233
Tretall Distanseseilas Mellomvind1.0655
Tretall Distanseseilas Mye vind1.1919
Tretall Pølsebane Lite vind0.6408
Tretall Pølsebane Mellomvind0.8731
Tretall Pølsebane Mye vind1.0110
Distanseseilas ett tall1.0589
Enkeltall Motvind0.9821
Enkeltall Medvind1.0392
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Coastal/Long Distance615.90.9742
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind610.90.9821
Predominantly Downwind577.41.0392
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore557.71.0759
Cape Doctor Coastal476.11.2603
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8233
Triple Number Coastal/Long Distance Medium1.0655
Triple Number Coastal/Long Distance High1.1919
Triple Number Windward/Leeward Low0.6408
Triple Number Windward/Leeward Medium0.8731
Triple Number Windward/Leeward High1.0110
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8233
Triple Number Coastal/Long Distance Medium1.0655
Triple Number Coastal/Long Distance High1.1919
Triple Number Windward/Leeward Low0.6408
Triple Number Windward/Leeward Medium0.8731
Triple Number Windward/Leeward High1.0110
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Predominantly Upwind610.90.9821
Predominantly Downwind577.41.0392
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance615.90.9742
Triple Number Coastal/Long Distance Low728.80.8233
Triple Number Coastal/Long Distance Medium563.11.0655
Triple Number Coastal/Long Distance High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1034.8787.5656.8581.4542.7513.1467.7453.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low728.80.8233
Triple Number AP Medium563.21.0654
Triple Number AP High503.41.1919
Triple Number Windward/Leeward Low936.30.6408
Triple Number Windward/Leeward Medium687.20.8731
Triple Number Windward/Leeward High593.51.0110
Single Number Predominant Upwind609.70.9842
Single Number Predominant Reaching545.81.0993
Single Number Predominant Downwind577.91.0382
Predominant Upwind - Low800.70.7494
Predominant Upwind - Low/Med670.60.8947
Predominant Upwind - Medium591.01.0153
Predominant Upwind - Med/High550.81.0893
Predominant Upwind - High533.51.1247
Predominant Downwind Low800.80.7492
Predominant Downwind Low/Med653.30.9184
Predominant Downwind Medium556.71.0778
Predominant Downwind Med/High497.01.2071
Predominant Downwind High463.41.2949
Predominant Reaching Low716.80.8370
Predominant Reaching Low/Med601.10.9982
Predominant Reaching Medium529.81.1325
Predominant Reaching Med/High488.31.2287
Predominant Reaching High463.81.2938
SA/DSPL Upwind20.54SA/DSPL Downwind36.95
Scoring OptionTODTOT
5-Band Windward/Leeward Low991.00.6055
5-Band Windward/Leeward Low/Med800.60.7494
5-Band Windward/Leeward Medium674.20.8899
5-Band Windward/Leeward Med/High602.40.9960
5-Band Windward/Leeward High571.71.0495
Windward/Leeward 60-40 Low994.90.6031
Windward/Leeward 60-40 Low/Med808.50.7421
Windward/Leeward 60-40 Medium686.60.8739
Windward/Leeward 60-40 Med/High620.10.9676
Windward/Leeward 60-40 High593.11.0116
5-Band AP Low767.30.7820
5-Band AP Low/Med637.00.9419
5-Band AP Medium555.21.0808
5-Band AP Med/High509.81.1770
5-Band AP High487.31.2313
5-Band SF Bay Tour - Low940.80.6378
5-Band SF Bay Tour - Low/Med765.50.7838
5-Band SF Bay Tour - Medium651.80.9205
5-Band SF Bay Tour - Med/High589.51.0177
5-Band SF Bay Tour - High561.91.0679
Chicago-Mac Upwind0.9646
Chicago-Mac All Purpose0.9891
Chicago-Mac Downwind1.0211
Bayview-Mac Cove Island0.9191
Bayview-Mac Shore0.9282
Harvest Moon Regatta496.91.2075

Club
Certificate
2024

Boat

TESSA

EST 324

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassRidas 35Measurement04/07/2008HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.620Max. Beam3.398Draft1.988Displacement6,240Wetted area25.92IMS L9.810LSM09.760Acc. length10.620Sink (kg/mm) 19.50
VCGD0.020VCGM0.019RM Rated (kg·m) 124.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight665Declared crew weight660
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBWPIPA0.0007
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders2Rotating mastNo
P13.600IG13.910ISP14.210MDT10.113MDL10.185MDT20.000MDL20.000TLTaperMW0.000GO0.000
E4.250J4.400BAS1.440FSDFoilSFJ0.000SPL4.488WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date10/05/2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible

Club
Certificate
2024

Boat

TESSA

EST 324

Estonian Yachting Union
Purje 8, maja 3
11911 Tallinn
Estonia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.140.891.582.673.5233.93
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment20.080.681.302.583.935.3513.71NoNo 36.1209/07/201630.190.631.182.393.855.4513.35NoNo 34.3107/07/201710.090.561.062.093.134.1712.79NoNo 26.8507/03/2018
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment314.3414.3414.347.757.5292.0611/07/2008213.7613.7613.767.597.2486.2313/07/2013113.4413.4413.447.277.2781.4227/07/2011
CRUISER/RACER REQUIREMENTS*
Accommodation length10.6 mTable area0.44 m²Headroom1.74 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity92 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity62 l
*This list refers to the calculated requirements. See IMS Appendix 1 for the complete list of requirements.