Club
Certificate
2023

Boat

VAYU

USA 51377

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.4°40.5°38.2°37.2°36.9°36.4°36.4°
Beat VMG3.964.775.285.525.655.725.79
52°5.986.957.447.677.797.877.95
60°6.277.157.597.847.988.088.19
75°6.457.277.708.008.248.408.60
90°6.327.217.708.048.348.619.02
110°5.927.107.748.198.598.959.51
120°5.736.927.638.118.558.999.91
135°5.136.357.237.778.208.649.63
150°4.305.466.457.227.738.148.97
Run VMG3.724.735.596.346.977.528.31
Gybe Angles143.0°146.6°150.5°156.8°166.4°177.2°178.4°

APH: 519.6

CDL: 10.525

GPH: 581.4

CertNo: US7533

BOAT
ClassFIRST 40.7DesignerBRUCE FARRBuilderBENETEAUAge date07/1999Series date12/1997Offset fileFIRST407.OFFData fileUS6974
HULL
Length Overall11.924 mMaximum Beam3.770 mDraft2.401 mDisplacement6,800 kgDLR6.3623IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.432m
CREW
Maximum weight930 kgMinimum weight698 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail48.2749.25Headsail Luffed54.3454.34Headsail FlyingSymmetric102.26102.26Asymmetric100.39100.39 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail14.66Storm Jib12.45Heavy Weather Jib33.62
SAIL LIMITS
Headsails6  Spinnakers5 * Asymmetric may be tacked on the pole
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
2023

Boat

VAYU

USA 51377

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG908.5755.2681.7652.6637.6628.9621.7
52°601.6518.0484.1469.2462.1457.6452.6
60°574.1503.5474.2459.0450.9445.5439.4
75°558.0495.4467.5449.8436.8428.5418.4
90°570.0499.2467.7447.8431.5418.1399.2
110°608.6507.1464.9439.6418.9402.1378.5
120°628.7520.0471.7444.0420.9400.6363.3
135°702.3566.7498.1463.3438.8416.6373.8
150°837.0659.5558.3498.6465.5442.1401.1
Run VMG966.5761.6644.5568.1516.4478.8433.0
Selected Courses
Windward / Leeward937.5758.4663.1610.4577.0553.9527.3
All purpose721.1597.6536.6503.6482.2466.8444.9
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward635.60.9440
All purpose519.61.1548
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.8596
Downwind "popa"0.9613
70% up, 30% down "Ilhabela"0.8878
30% up, 70% down "Ilhabela-inverso"0.9284
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Predominantly Upwind554.21.0827
Predominantly Downwind535.81.1198
Custom scoring options for Canada
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low659.30.9100
Triple Number All Purpose Medium517.11.1603
Triple Number All Purpose High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Predominantly Upwind554.21.0827
Predominantly Downwind535.81.1198
Predominantly Upwind Low715.90.8382
Predominantly Upwind Medium566.91.0583
Predominantly Upwind High532.31.1272
Predominantly Downwind Low738.30.8126
Predominantly Downwind Medium537.61.1161
Predominantly Downwind High446.51.3436
Chicago-Mac Upwind1.0652
Chicago-Mac All Purpose1.0800
Chicago-Mac Downwind1.0997
Bayview-Mac Cove Island1.0119
Bayview-Mac Shore1.0260
Scoring OptionTime On
Distance
Time On
Time
Predominantly Reaching496.51.2085
Predominantly Reaching Low600.80.9987
Predominantly Reaching Medium493.51.2157
Predominantly Reaching High436.31.3751
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low923.70.6495
5-Band Low / Medium776.90.7723
5-Band Medium621.10.9660
5-Band Medium / High558.11.0751
5-Band High531.91.1280
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance564.9
Triple Number Coastal/Long Distance Low659.3
Triple Number Coastal/Long Distance Medium517.1
Triple Number Coastal/Long Distance High462.5
Triple Number Windward/Leeward Low847.9
Triple Number Windward/Leeward Medium631.9
Triple Number Windward/Leeward High549.7
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9100
Triple Number Coastal/Long Distance Medium1.1603
Triple Number Coastal/Long Distance High1.2974
Triple Number Windward/Leeward Low0.7076
Triple Number Windward/Leeward Medium0.9495
Triple Number Windward/Leeward High1.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low659.3
Triple Number Coastal/Long Distance Medium517.1
Triple Number Coastal/Long Distance High462.5
Triple Number Windward/Leeward Low847.9
Triple Number Windward/Leeward Medium631.9
Triple Number Windward/Leeward High549.7
Predominantly Upwind554.2
Predominantly Downwind535.8
Predominantly Reaching510.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9100
Triple Number Coastal/Long Distance Medium1.1603
Triple Number Coastal/Long Distance High1.2974
Triple Number Windward/Leeward Low0.7076
Triple Number Windward/Leeward Medium0.9495
Triple Number Windward/Leeward High1.0915
Coastal/Long Distance1.0621
Predominantly Upwind1.0827
Predominantly Downwind1.1198
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.9100
Tretall Distanseseilas Mellomvind1.1603
Tretall Distanseseilas Mye vind1.2974
Tretall Pølsebane Lite vind0.7076
Tretall Pølsebane Mellomvind0.9495
Tretall Pølsebane Mye vind1.0915
Distanseseilas ett tall (OSN 8-16kn)1.0621
Distanseseilas ett tall (APH 6-20kn)1.1548
Enkeltall Motvind1.0827
Enkeltall Medvind1.1198
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Coastal/Long Distance564.91.0621
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind554.21.0827
Predominantly Downwind535.81.1198
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore535.31.1209
Cape Doctor Coastal451.51.3290
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9100
Triple Number Coastal/Long Distance Medium1.1603
Triple Number Coastal/Long Distance High1.2974
Triple Number Windward/Leeward Low0.7076
Triple Number Windward/Leeward Medium0.9495
Triple Number Windward/Leeward High1.0915
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.9100
Triple Number Coastal/Long Distance Medium1.1603
Triple Number Coastal/Long Distance High1.2974
Triple Number Windward/Leeward Low0.7076
Triple Number Windward/Leeward Medium0.9495
Triple Number Windward/Leeward High1.0915
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Predominantly Upwind554.21.0827
Predominantly Downwind535.81.1198
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance564.91.0621
Triple Number Coastal/Long Distance Low659.30.9100
Triple Number Coastal/Long Distance Medium517.11.1603
Triple Number Coastal/Long Distance High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance940.4715.8601.3536.0500.3471.9426.1
Custom scoring options for United States of America
Scoring OptionTime On
Distance
Time On
Time
Triple Number All Purpose Low659.30.9100
Triple Number All Purpose Medium517.11.1603
Triple Number All Purpose High462.51.2974
Triple Number Windward/Leeward Low847.90.7076
Triple Number Windward/Leeward Medium631.90.9495
Triple Number Windward/Leeward High549.71.0915
Predominantly Upwind554.21.0827
Predominantly Downwind535.81.1198
Predominantly Upwind Low715.90.8382
Predominantly Upwind Medium566.91.0583
Predominantly Upwind High532.31.1272
Predominantly Downwind Low738.30.8126
Predominantly Downwind Medium537.61.1161
Predominantly Downwind High446.51.3436
Chicago-Mac Upwind1.0652
Chicago-Mac All Purpose1.0800
Chicago-Mac Downwind1.0997
Bayview-Mac Cove Island1.0119
Bayview-Mac Shore1.0260
Harvest Moon Regatta455.71.3165
Scoring OptionTime On
Distance
Time On
Time
San Francisco Bay Heavy538.81.1135
San Francisco Bay Medium623.30.9626
Predominantly Reaching496.51.2085
Predominantly Reaching Low600.80.9987
Predominantly Reaching Medium493.51.2157
Predominantly Reaching High436.31.3751
Windward/Leeward 60-40 Low844.70.7103
Windward/Leeward 60-40 Medium643.90.9318
Windward/Leeward 60-40 High576.51.0408
5-Band
Windward/Leeward
Time On
Distance
Time On
Time
5-Band Low923.70.6495
5-Band Low / Medium776.90.7723
5-Band Medium621.10.9660
5-Band Medium / High558.11.0751
5-Band High531.91.1280

Club
Certificate
2023

Boat

VAYU

USA 51377

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassFIRST 40.7Measurement12/03/1999HINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA11.924Max. Beam3.770Draft2.401Displacement6,800Wetted area29.48IMS L10.580LSM010.223Acc. length11.924Sink (kg/mm) 21.94
VCGD-0.253VCGM-0.195RM Rated (kg·m) 196.2Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.432PBW0.115PIPA0.0031
EDL2.290ST10.049ST20.000
ST30.000ST40.098ST50.280
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders3Rotating mastNo
P14.800IG15.690ISP15.780MDT10.120MDL10.216MDT20.120MDL20.180TL0.700MW0.216GO0.241
E5.660J4.410BAS1.710FSD0.035SFJ0.000SPL4.488WPLTPS4.488BD0.190MWT222.10MCG5.850
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.245Flotation Date27/07/1999MeasurerComment
SFFP0.292FFMFF1.382LCFcl6.504SG1.0250
SAFP11.313FAMFA1.126LCFsh6.752HBI1.236
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG00.000.00Total deductible
OTHER ITEMSIdKindDescriptionWeightLCGVCGaAnchor00.00Total deductible0

Club
Certificate
2023

Boat

VAYU

USA 51377

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10043810.141.142.043.514.5748.27
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment31035490.080.881.713.405.126.8115.91NoNo 54.34LM2020
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment100437715.5115.5115.517.947.80102.26
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment100437516.4614.3915.437.787.9398%100.39A316.5014.6515.587.057.7591%93.3227/05/2021