Non Spin/HSFClub Certificate2025
Bo BrayaBUL 51
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 Angles46.6°46.6°44.7°43.0°41.9°41.2°41.0°41.0°41.9°
Beat VMG2.233.194.024.675.185.515.685.775.69
52°3.595.036.217.087.728.138.368.508.48
60°3.935.426.597.438.038.428.658.828.84
75°4.185.706.877.718.288.678.949.299.41
90°4.065.596.797.678.288.699.009.549.93
110°3.434.906.197.218.008.558.949.6410.31
120°3.184.605.886.927.768.378.809.5110.23
135°2.714.005.226.277.157.888.439.189.87
150°2.263.394.475.396.257.017.678.609.26
Run VMG1.982.943.874.775.646.437.158.319.05
Gybe Angles144.1°144.1°144.9°175.7°177.5°178.9°179.3°179.8°179.8°
APH ToD:558.9CDL: 11.538APH ToT: 1.0736CertNo:057/25
BOAT
ClassBavaria 51 CruiserDesignerFarrBuilderBavariaAge date12/2015Series date12/2015Offset fileBAVARIACR50.OFFData fileBUL51
HULL
Length Overall14.964 mMaximum Beam4.612 mDraft2.234 mDisplacement15,900 kgDLR6.1478IMS DivisionCruiser/RacerDynamic Allowance0.350%Age Allowance0.325%
PROPELLER
InstallationStrutTypeFolding 4 bladesDiameter0.508m
CREW
Maximum weight800 kg(declared)Minimum weight670 kg ✱ when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail61.7162.10Headsail Luffed54.1554.15Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail20.48Storm Jib19.15Heavy Weather Jib51.71
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
✱ Woven polyester sails
Spinnakers0
✱ No spinnaker pole aboard
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.
Non Spin/HSFClub Certificate2025
Bo BrayaBUL 51
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 VMG1613.61128.7894.8770.6695.0652.8633.7623.7632.9
52°1001.7715.2579.5508.6466.4442.8430.9423.7424.6
60°915.1663.9546.5484.3448.3427.4416.2408.2407.5
75°861.7631.2524.4466.9434.6415.4402.6387.5382.6
90°887.2644.3530.5469.3434.7414.3400.0377.4362.4
110°1050.6734.5581.4499.0449.8421.1402.6373.6349.3
120°1130.9781.9612.0519.9463.8430.0408.9378.4352.0
135°1327.2899.6689.7574.6503.5456.6427.0392.2364.8
150°1590.01061.9805.2668.1575.7513.6469.6418.4388.6
Run VMG1821.21226.2929.7754.1638.4559.8503.6433.4397.8
Selected Courses
Windward / Leeward1716.71177.4912.3762.4666.7606.3568.6528.6515.3
All purpose1272.4884.7696.5594.2530.5491.3467.1440.3427.5
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward707.10.8485
All purpose558.91.0736
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7779
Downwind "popa"0.8325
70% up, 30% down "Ilhabela"0.7935
30% up, 70% down "Ilhabela-inverso"0.8153
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Predominantly Upwind593.51.0110
Predominantly Downwind592.01.0136
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low790.60.7589
Triple Number AP Medium555.81.0794
Triple Number AP High463.11.2957
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Single Number Predominant Upwind623.00.9630
Single Number Predominant Reaching558.71.0739
Single Number Predominant Downwind625.90.9586
Predominant Upwind - Low947.80.6331
Predominant Upwind - Low/Med681.60.8803
Predominant Upwind - Medium565.41.0611
Predominant Upwind - Med/High501.51.1964
Predominant Upwind - High480.41.2489
Predominant Downwind Low1020.30.5881
Predominant Downwind Low/Med706.40.8494
Predominant Downwind Medium561.71.0682
Predominant Downwind Med/High470.41.2756
Predominant Downwind High428.11.4015
Predominant Reaching Low859.10.6984
Predominant Reaching Low/Med615.50.9749
Predominant Reaching Medium507.91.1813
Predominant Reaching Med/High444.21.3509
Predominant Reaching High415.91.4426
SA/DSPL Upwind18.16SA/DSPL Downwind18.16
Scoring OptionTODTOT
5-Band Windward/Leeward Low1246.10.4815
5-Band Windward/Leeward Low/Med862.20.6959
5-Band Windward/Leeward Medium684.80.8761
5-Band Windward/Leeward Med/High576.51.0408
5-Band Windward/Leeward High533.21.1253
Windward/Leeward 60-40 Low1235.20.4857
Windward/Leeward 60-40 Low/Med861.00.6969
Windward/Leeward 60-40 Medium690.30.8692
Windward/Leeward 60-40 Med/High589.21.0183
Windward/Leeward 60-40 High552.01.0870
5-Band AP Low896.40.6694
5-Band AP Low/Med663.60.9041
5-Band AP Medium543.11.1048
5-Band AP Med/High472.01.2713
5-Band AP High442.71.3553
5-Band SF Bay Tour - Low1055.50.5684
5-Band SF Bay Tour - Low/Med819.30.7323
5-Band SF Bay Tour - Medium657.30.9128
5-Band SF Bay Tour - Med/High561.01.0695
5-Band SF Bay Tour - High524.31.1443
Chicago-Mac Upwind0.9204
Chicago-Mac All Purpose0.9220
Chicago-Mac Downwind0.9104
Bayview-Mac Cove Island0.6256
Bayview-Mac Shore0.6332
Harvest Moon Regatta471.11.2735
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance617.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating617.20.9721
FinRating, kevyt tuuli1225.80.8158
FinRating, kova tuuli446.51.1198
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9721
Triple Number Coastal/Long Distance Low0.7589
Triple Number Coastal/Long Distance Medium1.0796
Triple Number Coastal/Long Distance High1.2957
Triple Number Windward/Leeward Low0.5742
Triple Number Windward/Leeward Medium0.8523
Triple Number Windward/Leeward High1.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
For information
General Purpose Handicap (GPH)641.2
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low790.6
Triple Number Coastal/Long Distance Medium555.8
Triple Number Coastal/Long Distance High463.1
Triple Number Windward/Leeward Low1044.9
Triple Number Windward/Leeward Medium704.0
Triple Number Windward/Leeward High563.0
Predominantly Upwind593.5
Predominantly Downwind592.0
Predominantly Reaching551.0
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7589
Triple Number Coastal/Long Distance Medium1.0796
Triple Number Coastal/Long Distance High1.2957
Triple Number Windward/Leeward Low0.5742
Triple Number Windward/Leeward Medium0.8523
Triple Number Windward/Leeward High1.0657
Coastal/Long Distance0.9721
Predominantly Upwind1.0110
Predominantly Downwind1.0136
For information
General Purpose Handicap (GPH)641.2
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0736
Distanseseilas Trippeltall svak vind0.7589
Distanseseilas Trippeltall mellomvind1.0796
Distanseseilas Trippeltall sterk vind1.2957
Pølsebane Trippeltall svak vind0.5742
Pølsebane Trippeltall mellomvind0.8523
Pølsebane Trippeltall sterk vind1.0657
Motvind Singeltall1.0110
Medvind Singeltall1.0136
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Coastal/Long Distance617.20.9721
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind593.51.0110
Predominantly Downwind592.01.0136
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore519.31.1554
Cape Doctor Coastal431.31.3910
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7589
Triple Number Coastal/Long Distance Medium1.0796
Triple Number Coastal/Long Distance High1.2957
Triple Number Windward/Leeward Low0.5742
Triple Number Windward/Leeward Medium0.8523
Triple Number Windward/Leeward High1.0657
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7589
Triple Number Coastal/Long Distance Medium1.0796
Triple Number Coastal/Long Distance High1.2957
Triple Number Windward/Leeward Low0.5742
Triple Number Windward/Leeward Medium0.8523
Triple Number Windward/Leeward High1.0657
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Predominantly Upwind593.51.0110
Predominantly Downwind592.01.0136
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance617.20.9721
Triple Number Coastal/Long Distance Low790.60.7589
Triple Number Coastal/Long Distance Medium555.81.0796
Triple Number Coastal/Long Distance High463.11.2957
Triple Number Windward/Leeward Low1044.90.5742
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1863.11182.3854.5679.5570.9512.0472.5419.7404.3
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low790.60.7589
Triple Number AP Medium555.81.0794
Triple Number AP High463.11.2957
Triple Number Windward/Leeward Low1097.10.5469
Triple Number Windward/Leeward Medium704.00.8523
Triple Number Windward/Leeward High563.01.0657
Single Number Predominant Upwind623.00.9630
Single Number Predominant Reaching558.71.0739
Single Number Predominant Downwind625.90.9586
Predominant Upwind - Low947.80.6331
Predominant Upwind - Low/Med681.60.8803
Predominant Upwind - Medium565.41.0611
Predominant Upwind - Med/High501.51.1964
Predominant Upwind - High480.41.2489
Predominant Downwind Low1020.30.5881
Predominant Downwind Low/Med706.40.8494
Predominant Downwind Medium561.71.0682
Predominant Downwind Med/High470.41.2756
Predominant Downwind High428.11.4015
Predominant Reaching Low859.10.6984
Predominant Reaching Low/Med615.50.9749
Predominant Reaching Medium507.91.1813
Predominant Reaching Med/High444.21.3509
Predominant Reaching High415.91.4426
SA/DSPL Upwind18.16SA/DSPL Downwind18.16
Scoring OptionTODTOT
5-Band Windward/Leeward Low1246.10.4815
5-Band Windward/Leeward Low/Med862.20.6959
5-Band Windward/Leeward Medium684.80.8761
5-Band Windward/Leeward Med/High576.51.0408
5-Band Windward/Leeward High533.21.1253
Windward/Leeward 60-40 Low1235.20.4857
Windward/Leeward 60-40 Low/Med861.00.6969
Windward/Leeward 60-40 Medium690.30.8692
Windward/Leeward 60-40 Med/High589.21.0183
Windward/Leeward 60-40 High552.01.0870
5-Band AP Low896.40.6694
5-Band AP Low/Med663.60.9041
5-Band AP Medium543.11.1048
5-Band AP Med/High472.01.2713
5-Band AP High442.71.3553
5-Band SF Bay Tour - Low1055.50.5684
5-Band SF Bay Tour - Low/Med819.30.7323
5-Band SF Bay Tour - Medium657.30.9128
5-Band SF Bay Tour - Med/High561.01.0695
5-Band SF Bay Tour - High524.31.1443
Chicago-Mac Upwind0.9204
Chicago-Mac All Purpose0.9220
Chicago-Mac Downwind0.9104
Bayview-Mac Cove Island0.6256
Bayview-Mac Shore0.6332
Harvest Moon Regatta471.11.2735
Non Spin/HSFClub Certificate2025
Bo BrayaBUL 51
ORC Bulgaria
Varna
Mosrka Gara 1
orcratingbulgaria@gmail.com
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBavaria 51 CruiserMeasurement15/05/2024HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA14.964Max. Beam4.612Draft2.234Displacement15,900Wetted area52.52IMS L13.843LSM013.725Acc. length14.964Sink (kg/mm) 40.31
VCGD0.222VCGM0.240RM Rated (kg·m) 508.5Limit of positive stability(°) N/AStability IndexN/ADefault crew weight1,081Declared crew weight800
PROPELLER
Propeller TypeFolding 4 blades
InstallationStrutTwin screwYesHydro generatorNo
PRD0.508PBWPIPA0.0090
EDL3.370ST10.065ST20.180
ST30.185ST40.110ST50.335
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerIn mastArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P18.400IG19.570ISP19.940MDT10.160MDL10.310MDT20.160MDL20.310TL0.000MWGO
E6.360J6.080BAS2.000FSD0.050SFJ0.000SPL0.000WPL0.000TPS0.000BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date23/09/2017
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
Bo BrayaBUL 51
ORC Bulgaria
Varna
Mosrka Gara 1
orcratingbulgaria@gmail.com
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.071.001.893.474.8361.71
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.080.681.352.894.546.1218.20NoNo 54.15
CRUISER/RACER REQUIREMENTS*
Accommodation length15.0 mTable area0.77 m²Headroom1.90 mMinimum number of berths7Personal gear stowage0.28 m³Fresh water capacity315 lMinimum number of seats in cockpit7Food stowage0.42 m³Fuel capacity150 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.