Club Certificate2025
La Bella IIBUL 4807
ORC Bulgaria
Varna
Mosrka Gara 1
orcratingbulgaria@gmail.com
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 Angles42.0°42.0°40.5°38.9°37.1°36.7°36.6°37.0°38.3°
Beat VMG2.202.983.553.974.234.354.404.414.35
52°3.344.465.215.615.835.966.036.096.09
60°3.524.655.375.745.956.096.186.266.30
75°3.624.765.465.846.076.256.396.566.64
90°3.494.705.555.976.236.406.516.796.98
110°3.484.695.535.986.296.576.817.257.54
120°3.314.515.385.896.226.526.807.408.01
135°2.874.004.935.646.036.336.627.248.07
150°2.403.454.385.175.746.086.366.917.58
Run VMG2.072.983.814.525.185.645.986.517.03
Gybe Angles148.7°148.7°153.4°157.3°164.8°173.6°178.3°178.6°178.1°
APH ToD:673.0CDL: 6.273APH ToT: 0.8916CertNo:030/25
BOAT
ClassConrad 25RTDesignerPetersonBuilderGdansk, PolandAge date06/1985Series date01/1976Offset fileC760.offData fileBUL4807
HULL
Length Overall7.650 mMaximum Beam2.756 mDraft1.572 mDisplacement1,984 kgDLR8.6238IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight384 kg(declared)Minimum weight254 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail18.0918.49Headsail Luffed15.6715.67Headsail FlyingSymmetric35.3435.34Asymmetric
STORM SAIL AREAS (m²)
Trysail5.22Storm Jib3.44Heavy Weather Jib9.27
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
La Bella IIBUL 4807
ORC Bulgaria
Varna
Mosrka Gara 1
orcratingbulgaria@gmail.com
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 VMG1638.21209.41013.1906.9850.6828.5818.5815.4828.2
52°1078.2807.7691.6641.5617.1603.7597.3591.5591.1
60°1023.2774.2670.6627.5604.9590.8582.4574.7571.8
75°994.8756.9659.1616.6592.8575.8563.3549.2541.9
90°1032.7765.4649.2602.6577.8562.1552.7530.5515.6
110°1033.6767.1651.1601.9571.9548.2528.5496.3477.6
120°1089.0798.9668.8611.3578.8552.3529.1486.2449.6
135°1254.2900.4730.6638.4597.4568.9544.1497.2446.1
150°1498.51044.6821.7695.9627.3592.3566.0520.7474.9
Run VMG1740.41206.2945.0796.2695.4638.1601.8552.9511.9
Selected Courses
Windward / Leeward1686.41207.8979.1851.5773.0733.3710.1684.2670.0
All purpose1286.1938.1777.4695.1649.1623.7607.0582.8565.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward812.40.7386
All purpose673.00.8916
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6519
Downwind "popa"0.7727
70% up, 30% down "Ilhabela"0.6840
30% up, 70% down "Ilhabela-inverso"0.7320
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Predominantly Upwind723.30.8295
Predominantly Downwind685.10.8757
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low857.70.6995
Triple Number AP Medium668.80.8971
Triple Number AP High602.10.9965
Triple Number Windward/Leeward Low1140.30.5262
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Single Number Predominant Upwind751.00.7990
Single Number Predominant Reaching673.80.8905
Single Number Predominant Downwind715.70.8383
Predominant Upwind - Low1019.90.5883
Predominant Upwind - Low/Med789.80.7597
Predominant Upwind - Medium700.90.8561
Predominant Upwind - Med/High658.20.9115
Predominant Upwind - High642.00.9346
Predominant Downwind Low1044.60.5744
Predominant Downwind Low/Med774.50.7747
Predominant Downwind Medium660.50.9084
Predominant Downwind Med/High594.21.0097
Predominant Downwind High556.61.0780
Predominant Reaching Low925.90.6480
Predominant Reaching Low/Med712.30.8423
Predominant Reaching Medium630.10.9522
Predominant Reaching Med/High584.81.0261
Predominant Reaching High557.51.0762
SA/DSPL Upwind21.34SA/DSPL Downwind33.76
Scoring OptionTODTOT
5-Band Windward/Leeward Low1271.00.4721
5-Band Windward/Leeward Low/Med937.40.6401
5-Band Windward/Leeward Medium791.50.7581
5-Band Windward/Leeward Med/High714.90.8392
5-Band Windward/Leeward High686.20.8744
Windward/Leeward 60-40 Low1270.30.4723
Windward/Leeward 60-40 Low/Med946.00.6342
Windward/Leeward 60-40 Medium806.60.7438
Windward/Leeward 60-40 Med/High736.40.8148
Windward/Leeward 60-40 High712.60.8420
5-Band AP Low948.80.6323
5-Band AP Low/Med753.10.7967
5-Band AP Medium659.70.9095
5-Band AP Med/High609.20.9848
5-Band AP High584.11.0273
5-Band SF Bay Tour - Low1098.90.5460
5-Band SF Bay Tour - Low/Med898.90.6675
5-Band SF Bay Tour - Medium768.80.7804
5-Band SF Bay Tour - Med/High702.00.8547
5-Band SF Bay Tour - High675.20.8886
Chicago-Mac Upwind0.7757
Chicago-Mac All Purpose0.7952
Chicago-Mac Downwind0.8092
Bayview-Mac Cove Island0.5874
Bayview-Mac Shore0.5920
Harvest Moon Regatta592.91.0119
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance728.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating728.90.8232
FinRating, kevyt tuuli1250.70.7995
FinRating, kova tuuli587.70.8508
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8232
Triple Number Coastal/Long Distance Low0.6995
Triple Number Coastal/Long Distance Medium0.8972
Triple Number Coastal/Long Distance High0.9965
Triple Number Windward/Leeward Low0.5487
Triple Number Windward/Leeward Medium0.7440
Triple Number Windward/Leeward High0.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
For information
General Purpose Handicap (GPH)753.7
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low857.8
Triple Number Coastal/Long Distance Medium668.7
Triple Number Coastal/Long Distance High602.1
Triple Number Windward/Leeward Low1093.5
Triple Number Windward/Leeward Medium806.5
Triple Number Windward/Leeward High706.2
Predominantly Upwind723.3
Predominantly Downwind685.1
Predominantly Reaching659.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6995
Triple Number Coastal/Long Distance Medium0.8972
Triple Number Coastal/Long Distance High0.9965
Triple Number Windward/Leeward Low0.5487
Triple Number Windward/Leeward Medium0.7440
Triple Number Windward/Leeward High0.8496
Coastal/Long Distance0.8232
Predominantly Upwind0.8295
Predominantly Downwind0.8757
For information
General Purpose Handicap (GPH)753.7
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.8916
Distanseseilas Trippeltall svak vind0.6995
Distanseseilas Trippeltall mellomvind0.8972
Distanseseilas Trippeltall sterk vind0.9965
Pølsebane Trippeltall svak vind0.5487
Pølsebane Trippeltall mellomvind0.7440
Pølsebane Trippeltall sterk vind0.8496
Motvind Singeltall0.8295
Medvind Singeltall0.8757
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Coastal/Long Distance728.90.8232
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind723.30.8295
Predominantly Downwind685.10.8757
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore674.30.8898
Cape Doctor Coastal571.01.0508
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6995
Triple Number Coastal/Long Distance Medium0.8972
Triple Number Coastal/Long Distance High0.9965
Triple Number Windward/Leeward Low0.5487
Triple Number Windward/Leeward Medium0.7440
Triple Number Windward/Leeward High0.8496
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6995
Triple Number Coastal/Long Distance Medium0.8972
Triple Number Coastal/Long Distance High0.9965
Triple Number Windward/Leeward Low0.5487
Triple Number Windward/Leeward Medium0.7440
Triple Number Windward/Leeward High0.8496
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Predominantly Upwind723.30.8295
Predominantly Downwind685.10.8757
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance728.90.8232
Triple Number Coastal/Long Distance Low857.80.6995
Triple Number Coastal/Long Distance Medium668.70.8972
Triple Number Coastal/Long Distance High602.10.9965
Triple Number Windward/Leeward Low1093.50.5487
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1791.01207.6923.8775.0688.9646.0614.0560.2540.0
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low857.70.6995
Triple Number AP Medium668.80.8971
Triple Number AP High602.10.9965
Triple Number Windward/Leeward Low1140.30.5262
Triple Number Windward/Leeward Medium806.50.7440
Triple Number Windward/Leeward High706.20.8496
Single Number Predominant Upwind751.00.7990
Single Number Predominant Reaching673.80.8905
Single Number Predominant Downwind715.70.8383
Predominant Upwind - Low1019.90.5883
Predominant Upwind - Low/Med789.80.7597
Predominant Upwind - Medium700.90.8561
Predominant Upwind - Med/High658.20.9115
Predominant Upwind - High642.00.9346
Predominant Downwind Low1044.60.5744
Predominant Downwind Low/Med774.50.7747
Predominant Downwind Medium660.50.9084
Predominant Downwind Med/High594.21.0097
Predominant Downwind High556.61.0780
Predominant Reaching Low925.90.6480
Predominant Reaching Low/Med712.30.8423
Predominant Reaching Medium630.10.9522
Predominant Reaching Med/High584.81.0261
Predominant Reaching High557.51.0762
SA/DSPL Upwind21.34SA/DSPL Downwind33.76
Scoring OptionTODTOT
5-Band Windward/Leeward Low1271.00.4721
5-Band Windward/Leeward Low/Med937.40.6401
5-Band Windward/Leeward Medium791.50.7581
5-Band Windward/Leeward Med/High714.90.8392
5-Band Windward/Leeward High686.20.8744
Windward/Leeward 60-40 Low1270.30.4723
Windward/Leeward 60-40 Low/Med946.00.6342
Windward/Leeward 60-40 Medium806.60.7438
Windward/Leeward 60-40 Med/High736.40.8148
Windward/Leeward 60-40 High712.60.8420
5-Band AP Low948.80.6323
5-Band AP Low/Med753.10.7967
5-Band AP Medium659.70.9095
5-Band AP Med/High609.20.9848
5-Band AP High584.11.0273
5-Band SF Bay Tour - Low1098.90.5460
5-Band SF Bay Tour - Low/Med898.90.6675
5-Band SF Bay Tour - Medium768.80.7804
5-Band SF Bay Tour - Med/High702.00.8547
5-Band SF Bay Tour - High675.20.8886
Chicago-Mac Upwind0.7757
Chicago-Mac All Purpose0.7952
Chicago-Mac Downwind0.8092
Bayview-Mac Cove Island0.5874
Bayview-Mac Shore0.5920
Harvest Moon Regatta592.91.0119
Club Certificate2025
La Bella IIBUL 4807
ORC Bulgaria
Varna
Mosrka Gara 1
orcratingbulgaria@gmail.com
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassConrad 25RTMeasurement20/05/2016HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA7.650Max. Beam2.756Draft1.572Displacement1,984Wetted area12.21IMS L6.382LSM06.127Acc. length7.650Sink (kg/mm) 8.94
VCGD0.103VCGM0.051RM Rated (kg·m) 31.6Limit of positive stability(°) N/AStability IndexN/ADefault crew weight342Declared crew weight384
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P9.200IG8.160ISP8.320MDT10.090MDL10.125MDT20.070MDL20.080TL1.200MW0.080GO0.120
E3.240J2.670BAS0.980FSD0.020SFJSPL2.640WPLTPSBDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date19/01/2017
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
La Bella IIBUL 4807
ORC Bulgaria
Varna
Mosrka Gara 1
orcratingbulgaria@gmail.com
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.711.242.112.8118.09
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.490.931.832.823.858.30NoNo 15.67
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment18.448.448.445.134.6035.34
CRUISER/RACER REQUIREMENTS*
Accommodation length7.7 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity17 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.