TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST

Club
Certificate
2024

Boat

Sila Vetra

RUS 2793

Novokolomiazhskii av 11-70
St-Petersburg
Russia
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.4°41.2°39.9°39.3°39.0°38.9°38.8°39.6°
Beat VMG2.893.513.934.144.234.284.334.28
52°4.415.205.675.906.006.066.126.12
60°4.635.415.846.056.166.226.306.31
75°4.745.555.976.216.356.456.576.64
90°4.635.506.006.246.436.576.796.94
110°4.675.636.156.446.656.847.097.22
120°4.525.506.096.426.686.927.407.71
135°4.085.075.816.236.536.817.418.13
150°3.494.475.295.896.266.547.077.73
Run VMG3.023.874.605.225.766.146.677.19
Gybe Angles146.6°150.5°153.7°160.6°174.5°178.3°179.0°178.6°
APH ToD:669.3CDL: 6.464APH ToT: 0.8964CertNo:2793.3
BOAT
ClassShipman 28DesignerOlle EnderleinBuilderShipman(SWE)Age date06.1972Series date01.1969Offset fileH4632E.OFFData fileRU2793_Silavetra
HULL
Length Overall8.860 mMaximum Beam2.570 mDraft1.544 mDisplacement3 090 kgDLR10.1338IMS DivisionPerformanceDynamic Allowance0.500%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeSolid 3 bladesDiameter0.300m
CREW
Maximum weight391 kg(default)Minimum weight261 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail17.0117.54Headsail Luffed24.0324.03Headsail FlyingSymmetric51.7851.78Asymmetric
STORM SAIL AREAS (m²)
Trysail5.15Storm Jib6.04Heavy Weather Jib16.31
SAIL LIMITS
Headsails1  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.
ORC Ref  TEST CERTIFICATE - NOT VALID FOR RACING
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TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST

Club
Certificate
2024

Boat

Sila Vetra

RUS 2793

Novokolomiazhskii av 11-70
St-Petersburg
Russia
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1244.21024.9916.9869.7850.7840.7831.9841.6
52°816.5692.1634.5610.0599.6594.3588.3588.3
60°777.3665.9616.8594.8584.0578.7571.7570.3
75°758.7649.2602.8580.1567.0558.3548.0542.4
90°778.0654.1599.8577.3560.2547.7530.2518.6
110°771.2639.4585.6559.0541.1526.5508.1498.7
120°796.6654.2591.4560.5538.6520.0486.2467.2
135°882.9710.6620.1577.8551.1528.6485.5442.7
150°1031.6805.8681.1611.3575.2550.8509.4466.0
Run VMG1191.2930.1783.3689.3625.4585.9539.5501.0
Selected Courses
Windward / Leeward1217.7977.5850.1779.5738.1713.3685.7671.3
All purpose943.9772.6687.8644.9620.8605.1583.4569.5
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward815.70.7355
All purpose669.30.8964
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6384
Downwind "popa"0.7858
70% up, 30% down "Ilhabela"0.6765
30% up, 70% down "Ilhabela-inverso"0.7349
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Predominantly Upwind724.80.8278
Predominantly Downwind676.30.8872
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low858.20.6991
Triple Number All Purpose Medium663.80.9039
Triple Number All Purpose High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Predominantly Upwind724.80.8278
Predominantly Downwind676.30.8872
Predominantly Upwind Low954.10.6289
Predominantly Upwind Medium747.90.8022
Predominantly Upwind High702.30.8543
Predominantly Downwind Low934.70.6419
Predominantly Downwind Medium666.40.9003
Predominantly Downwind High562.61.0666
Chicago-Mac Upwind0.8134
Chicago-Mac All Purpose0.8396
Chicago-Mac Downwind0.8720
Bayview-Mac Cove Island0.7811
Bayview-Mac Shore0.7878
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching638.80.9393
Predominantly Reaching Low782.70.7666
Predominantly Reaching Medium631.10.9507
Predominantly Reaching High564.31.0634
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1199.20.5003
5-Band Low / Medium1002.40.5986
5-Band Medium795.20.7545
5-Band Medium / High718.40.8352
5-Band High690.50.8689
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance726.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6991
Triple Number Coastal/Long Distance Medium0.9039
Triple Number Coastal/Long Distance High0.9985
Triple Number Windward/Leeward Low0.5467
Triple Number Windward/Leeward Medium0.7415
Triple Number Windward/Leeward High0.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low858.2
Triple Number Coastal/Long Distance Medium663.8
Triple Number Coastal/Long Distance High600.9
Triple Number Windward/Leeward Low1097.5
Triple Number Windward/Leeward Medium809.2
Triple Number Windward/Leeward High709.1
Predominantly Upwind724.8
Predominantly Downwind676.3
Predominantly Reaching652.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6991
Triple Number Coastal/Long Distance Medium0.9039
Triple Number Coastal/Long Distance High0.9985
Triple Number Windward/Leeward Low0.5467
Triple Number Windward/Leeward Medium0.7415
Triple Number Windward/Leeward High0.8461
Coastal/Long Distance0.8258
Predominantly Upwind0.8278
Predominantly Downwind0.8872
For information
General Purpose Handicap (GPH)750.8
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.6991
Tretall Distanseseilas Mellomvind0.9039
Tretall Distanseseilas Mye vind0.9985
Tretall Pølsebane Lite vind0.5467
Tretall Pølsebane Mellomvind0.7415
Tretall Pølsebane Mye vind0.8461
Distanseseilas ett tall (OSN 8-16kn)0.8258
Distanseseilas ett tall (APH 6-20kn)0.8964
Enkeltall Motvind0.8278
Enkeltall Medvind0.8872
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Coastal/Long Distance726.60.8258
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind724.80.8278
Predominantly Downwind676.30.8872
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore675.60.8881
Cape Doctor Coastal573.71.0459
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6991
Triple Number Coastal/Long Distance Medium0.9039
Triple Number Coastal/Long Distance High0.9985
Triple Number Windward/Leeward Low0.5467
Triple Number Windward/Leeward Medium0.7415
Triple Number Windward/Leeward High0.8461
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.6991
Triple Number Coastal/Long Distance Medium0.9039
Triple Number Coastal/Long Distance High0.9985
Triple Number Windward/Leeward Low0.5467
Triple Number Windward/Leeward Medium0.7415
Triple Number Windward/Leeward High0.8461
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Predominantly Upwind724.80.8278
Predominantly Downwind676.30.8872
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance726.60.8258
Triple Number Coastal/Long Distance Low858.20.6991
Triple Number Coastal/Long Distance Medium663.80.9039
Triple Number Coastal/Long Distance High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1215.1921.0770.2687.0643.6611.3558.6543.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low858.20.6991
Triple Number All Purpose Medium663.80.9039
Triple Number All Purpose High600.90.9985
Triple Number Windward/Leeward Low1097.50.5467
Triple Number Windward/Leeward Medium809.20.7415
Triple Number Windward/Leeward High709.10.8461
Predominantly Upwind724.80.8278
Predominantly Downwind676.30.8872
Predominantly Upwind Low954.10.6289
Predominantly Upwind Medium747.90.8022
Predominantly Upwind High702.30.8543
Predominantly Downwind Low934.70.6419
Predominantly Downwind Medium666.40.9003
Predominantly Downwind High562.61.0666
Chicago-Mac Upwind0.8134
Chicago-Mac All Purpose0.8396
Chicago-Mac Downwind0.8720
Bayview-Mac Cove Island0.7811
Bayview-Mac Shore0.7878
Harvest Moon Regatta585.21.0254
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy699.70.8575
San Francisco Bay Medium804.30.7460
Predominantly Reaching638.80.9393
Predominantly Reaching Low782.70.7666
Predominantly Reaching Medium631.10.9507
Predominantly Reaching High564.31.0634
Windward/Leeward 60-40 Low1105.00.5430
Windward/Leeward 60-40 Medium837.90.7161
Windward/Leeward 60-40 High753.60.7961
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1199.20.5003
5-Band Low / Medium1002.40.5986
5-Band Medium795.20.7545
5-Band Medium / High718.40.8352
5-Band High690.50.8689
ORC Ref  TEST CERTIFICATE - NOT VALID FOR RACING
VPP ver: 2024 1.00 | © ORC | www.orc.org
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST

Club
Certificate
2024

Boat

Sila Vetra

RUS 2793

Novokolomiazhskii av 11-70
St-Petersburg
Russia
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassShipman 28Measurement25.06.2023HIN4191Plan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.860Max. Beam2.570Draft1.544Displacement3 090Wetted area16.00IMS L7.032LSM06.730Acc. length8.352Sink (kg/mm) 10.40
VCGD-0.110VCGM-0.123RM Rated (kg·m) 41.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight391Declared crew weightN/A
PROPELLER
Propeller TypeSolid 3 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.300PBW0.100PIPA0.0112
PSDPHDPHL
PSAESL
ST1ST2ST3
ST4ST5
RIG
Forestay tensionInner stayMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunners/Checkstays0Spreaders1Rotating mastNo
P9.400IG10.920ISP10.920MDT10.085MDL10.190MDT2MDL2TLMW0.190GO0.210
E3.130J3.200BAS1.520FSD0.035SFJSPL3.240WPLTPSBD0.100MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date29.06.2023
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  TEST CERTIFICATE - NOT VALID FOR RACING
VPP ver: 2024 1.00 | © ORC | www.orc.org
TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST TEST

Club
Certificate
2024

Boat

Sila Vetra

RUS 2793

Novokolomiazhskii av 11-70
St-Petersburg
Russia
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment0010.060.601.091.962.5817.0125.06.2023
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment0020.000.500.982.033.144.37NoNo 24.03
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment0030.005.865.3051.7825.06.2023
ORC Ref  TEST CERTIFICATE - NOT VALID FOR RACING
VPP ver: 2024 1.00 | © ORC | www.orc.org