Club Certificate2025
RCN OspreyCAN 4510
Portsmouth Olympic Harbour
53 Yonge Street
Kingston, Ontario
Canada K7M 6G4
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 Angles44.9°44.9°43.0°41.5°40.4°40.1°39.8°39.9°40.5°
Beat VMG2.513.514.334.955.365.555.655.735.67
52°3.995.456.557.347.838.088.198.308.31
60°4.315.806.877.628.098.358.478.608.63
75°4.566.147.278.008.398.618.829.079.22
90°4.706.337.488.228.668.999.239.539.80
110°4.496.207.528.368.899.329.6610.2610.87
120°4.386.077.398.278.839.349.8410.6711.28
135°3.815.406.777.798.468.989.5010.6312.09
150°3.184.545.766.847.748.348.799.6610.63
Run VMG2.763.934.995.936.707.257.708.459.23
Gybe Angles142.6°142.6°146.6°147.7°150.4°152.5°156.7°159.7°155.0°
APH ToD:507.5CDL: 11.447APH ToT: 1.1823CertNo:BC2543
BOAT
ClassBavaria C45DesignerMaurizio CossuttiBuilderBavariaAge date01/2021Series date01/2018Offset fileBavaria C45_DV.offData fileCAN4510-RCN Osprey
HULL
Length Overall13.690 mMaximum Beam4.492 mDraft2.281 mDisplacement12,499 kgDLR5.7319IMS DivisionCruiser/RacerDynamic Allowance0.260%Age Allowance0.228%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight997 kg(default)Minimum weight848 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail58.8559.62Headsail Luffed58.7658.76Headsail Flying106.02106.02SymmetricAsymmetric187.10187.10 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail18.13Storm Jib16.93Heavy Weather Jib45.71
SAIL LIMITS
Headsails7Spinnakers5
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.
ORC Ref  03430003NKCIssued on 10/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
RCN OspreyCAN 4510
Portsmouth Olympic Harbour
53 Yonge Street
Kingston, Ontario
Canada K7M 6G4
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 VMG1433.01026.3832.1727.1671.4648.3636.6628.7635.0
52°901.6660.9549.7490.6459.7445.6439.5433.6433.4
60°835.4620.8524.0472.4444.8431.2425.1418.6417.0
75°789.3586.2495.3450.2429.2418.3408.0396.7390.6
90°766.1569.1481.3438.1415.5400.4390.1377.6367.3
110°802.4580.8478.6430.4405.1386.1372.7351.0331.3
120°821.4593.1486.9435.3407.8385.4365.8337.3319.2
135°944.9666.1532.0462.3425.5401.0378.8338.8297.7
150°1131.6792.5625.2526.1465.3431.5409.8372.7338.5
Run VMG1306.7915.1722.0607.5537.1496.4467.8425.9390.1
Selected Courses
Windward / Leeward1369.6970.7777.0667.3604.3572.3552.2527.3512.5
All purpose1028.5738.9601.2527.0486.3463.9449.0428.9414.9
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward637.00.9419
All purpose507.51.1823
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8123
Downwind "popa"1.0068
70% up, 30% down "Ilhabela"0.8623
30% up, 70% down "Ilhabela-inverso"0.9393
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Predominantly Upwind554.81.0815
Predominantly Downwind513.41.1686
Custom scoring options for Canada
Scoring OptionTODTOT
TriNum AP Low670.10.8954
TriNum AP Med503.91.1907
TriNum AP High445.21.3477
TriNum W/L Low912.50.6575
TriNum W/L Med631.70.9498
TriNum W/L Hig547.91.0951
Predom. Upwind579.31.0358
Predom. Reaching500.31.1992
Predom. Downwind536.61.1181
Predom. Up Low825.00.7273
Predom. Up L/M618.10.9707
Predom. Up Med533.91.1238
Predom. Up M/H493.11.2167
Predom. Up High477.81.2557
Predom. Dn Low799.50.7504
Predom. Dn L/M585.31.0251
Predom. Dn Med493.11.2168
Predom. Dn M/H438.51.3683
Predom. Dn High406.71.4751
Predom. Rc Low711.60.8432
Predom. Rc L/M535.91.1196
Predom. Rc Med464.11.2927
Predom. Rc M/H423.61.4164
Predom. Rc High401.31.4951
SA/DSPL Upwind21.66SA/DSPL Downwind45.28
Scoring OptionTODTOT
5B W/L Low1022.10.5870
5B W/L L/M741.40.8093
5B W/L Med619.50.9685
5B W/L M/H555.81.0796
5B W/L High529.01.1341
W/L 60-40 Low1033.50.5805
W/L 60-40 L/M753.10.7967
W/L 60-40 Med633.10.9477
W/L 60-40 M/H572.71.0477
W/L 60-40 High549.51.0920
5B AP Low737.00.8141
5B AP L/M578.41.0374
5B AP Med495.81.2101
5B AP M/H451.31.3296
5B AP High430.01.3955
5B SF Bay Low881.50.6807
5B SF Bay L/M708.40.8470
5B SF Bay Med596.01.0067
5B SF Bay M/H537.81.1157
5B SF Bay High512.91.1698
Chicago-Mac Upwind0.9995
Chicago-Mac All Purpose1.0410
Chicago-Mac Downwind1.0748
BayMac Cove Island803.50.7467
BayMac Shore797.80.7520
Harvest Moon431.81.3895
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance555.6
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating555.61.0800
FinRating, kevyt tuuli999.01.0010
FinRating, kova tuuli432.31.1567
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance1.0800
Triple Number Coastal/Long Distance Low0.8954
Triple Number Coastal/Long Distance Medium1.1908
Triple Number Coastal/Long Distance High1.3477
Triple Number Windward/Leeward Low0.6866
Triple Number Windward/Leeward Medium0.9498
Triple Number Windward/Leeward High1.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
For information
General Purpose Handicap (GPH)573.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low670.1
Triple Number Coastal/Long Distance Medium503.9
Triple Number Coastal/Long Distance High445.2
Triple Number Windward/Leeward Low873.9
Triple Number Windward/Leeward Medium631.7
Triple Number Windward/Leeward High547.9
Predominantly Upwind554.8
Predominantly Downwind513.4
Predominantly Reaching488.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8954
Triple Number Coastal/Long Distance Medium1.1908
Triple Number Coastal/Long Distance High1.3477
Triple Number Windward/Leeward Low0.6866
Triple Number Windward/Leeward Medium0.9498
Triple Number Windward/Leeward High1.0951
Coastal/Long Distance1.0800
Predominantly Upwind1.0815
Predominantly Downwind1.1686
For information
General Purpose Handicap (GPH)573.3
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.1823
Distanseseilas Trippeltall svak vind0.8954
Distanseseilas Trippeltall mellomvind1.1908
Distanseseilas Trippeltall sterk vind1.3477
Pølsebane Trippeltall svak vind0.6866
Pølsebane Trippeltall mellomvind0.9498
Pølsebane Trippeltall sterk vind1.0951
Motvind Singeltall1.0815
Medvind Singeltall1.1686
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Coastal/Long Distance555.61.0800
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind554.81.0815
Predominantly Downwind513.41.1686
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore516.91.1607
Cape Doctor Coastal419.11.4316
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8954
Triple Number Coastal/Long Distance Medium1.1908
Triple Number Coastal/Long Distance High1.3477
Triple Number Windward/Leeward Low0.6866
Triple Number Windward/Leeward Medium0.9498
Triple Number Windward/Leeward High1.0951
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8954
Triple Number Coastal/Long Distance Medium1.1908
Triple Number Coastal/Long Distance High1.3477
Triple Number Windward/Leeward Low0.6866
Triple Number Windward/Leeward Medium0.9498
Triple Number Windward/Leeward High1.0951
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Predominantly Upwind554.81.0815
Predominantly Downwind513.41.1686
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance555.61.0800
Triple Number Coastal/Long Distance Low670.10.8954
Triple Number Coastal/Long Distance Medium503.91.1908
Triple Number Coastal/Long Distance High445.21.3477
Triple Number Windward/Leeward Low873.90.6866
Triple Number Windward/Leeward Medium631.70.9498
Triple Number Windward/Leeward High547.91.0951
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1449.6965.1727.5597.8521.2481.8452.3407.2393.9
Custom scoring options for United States of America
Scoring OptionTODTOT
TriNum AP Low670.10.8954
TriNum AP Med503.91.1907
TriNum AP High445.21.3477
TriNum W/L Low912.50.6575
TriNum W/L Med631.70.9498
TriNum W/L Hig547.91.0951
Predom. Upwind579.31.0358
Predom. Reaching500.31.1992
Predom. Downwind536.61.1181
Predom. Up Low825.00.7273
Predom. Up L/M618.10.9707
Predom. Up Med533.91.1238
Predom. Up M/H493.11.2167
Predom. Up High477.81.2557
Predom. Dn Low799.50.7504
Predom. Dn L/M585.31.0251
Predom. Dn Med493.11.2168
Predom. Dn M/H438.51.3683
Predom. Dn High406.71.4751
Predom. Rc Low711.60.8432
Predom. Rc L/M535.91.1196
Predom. Rc Med464.11.2927
Predom. Rc M/H423.61.4164
Predom. Rc High401.31.4951
SA/DSPL Upwind21.66SA/DSPL Downwind45.28
Scoring OptionTODTOT
5B W/L Low1022.10.5870
5B W/L L/M741.40.8093
5B W/L Med619.50.9685
5B W/L M/H555.81.0796
5B W/L High529.01.1341
W/L 60-40 Low1033.50.5805
W/L 60-40 L/M753.10.7967
W/L 60-40 Med633.10.9477
W/L 60-40 M/H572.71.0477
W/L 60-40 High549.51.0920
5B AP Low737.00.8141
5B AP L/M578.41.0374
5B AP Med495.81.2101
5B AP M/H451.31.3296
5B AP High430.01.3955
5B SF Bay Low881.50.6807
5B SF Bay L/M708.40.8470
5B SF Bay Med596.01.0067
5B SF Bay M/H537.81.1157
5B SF Bay High512.91.1698
Chicago-Mac Upwind0.9995
Chicago-Mac All Purpose1.0410
Chicago-Mac Downwind1.0748
BayMac Cove Island803.50.7467
BayMac Shore797.80.7520
Harvest Moon431.81.3895
ORC Ref  03430003NKCIssued on 10/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
RCN OspreyCAN 4510
Portsmouth Olympic Harbour
53 Yonge Street
Kingston, Ontario
Canada K7M 6G4
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassBavaria C45MeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA13.690Max. Beam4.492Draft2.281Displacement12,499Wetted area43.90IMS L13.000LSM012.966Acc. length13.690Sink (kg/mm) 34.28
VCGD0.180VCGM0.187RM Rated (kg·m) 363.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight997Declared crew weightN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0039
EDL2.000ST10.040ST20.180
ST30.180ST40.110ST50.320
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0Checkstays0Spreaders2Rotating mastNo
P17.700IG18.400ISP18.850MDT10.130MDL10.280MDT2MDL2TLTaperMWGO
E5.850J5.250BAS1.880FSDNo FoilSFJ0.200SPL0.000WPLTPS6.010BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/04/2025
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03430003NKCIssued on 10/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org
Club Certificate2025
RCN OspreyCAN 4510
Portsmouth Olympic Harbour
53 Yonge Street
Kingston, Ontario
Canada K7M 6G4
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMN-A0.051.001.883.4858.85
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentHSF-A0.051.723.346.308.429.2819.00NoYes0106.02aka Code 0J1-A6.2118.59NoNo 58.76
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA2-A21.2918.9420.1210.8912.2589%187.10
CRUISER/RACER REQUIREMENTS*
Accommodation length13.7 mTable area0.66 m²Headroom1.88 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity231 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity124 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03430003NKCIssued on 10/04/2025Valid until 31/12/2025
VPP ver: 2025 1.01 | © ORC | www.orc.org