Club
Certificate
2023

Boat

RIPTIDE

USA 32122

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 Angles44.1°41.4°39.4°38.8°38.8°39.0°40.5°
Beat VMG3.334.034.424.544.594.604.53
52°5.125.936.296.446.526.566.57
60°5.396.126.466.666.766.826.87
75°5.556.246.636.947.147.277.42
90°5.426.206.667.057.417.718.08
110°5.266.246.827.367.868.289.04
120°5.106.126.727.317.938.6110.24
135°4.585.646.396.927.498.1810.42
150°3.824.885.766.446.937.458.81
Run VMG3.304.235.005.706.256.717.68
Gybe Angles144.2°146.9°151.4°159.2°173.6°175.4°169.4°

APH: 600.2

CDL: 7.139

GPH: 671.4

CertNo: US7596

BOAT
ClassExpress 27DesignerSchumakerBuilderAlsbergAge date01/1986Series date01/1982Offset fileUS18887.OFFData fileUSA7596
HULL
Length Overall8.309 mMaximum Beam2.463 mDraft1.337 mDisplacement1,136 kgDLR3.9279IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight385 kgMinimum weight289 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail16.9517.40Headsail Luffed18.7218.72Headsail FlyingSymmetric42.7142.71Asymmetric40.1140.11 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail4.82Storm Jib4.19Heavy Weather Jib11.30
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric SHALL NOT 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.
ORC Ref  04560002P6FIssued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RIPTIDE

USA 32122

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 VMG1080.1894.0815.0792.6784.9782.3794.9
52°703.3607.3571.9558.7552.4548.9548.3
60°667.7588.6557.1540.9532.7527.7523.8
75°649.1576.7543.1518.5504.3494.9485.0
90°663.6580.8540.4510.4485.7466.8445.6
110°685.1576.8528.0489.0458.2434.8398.2
120°706.1588.0535.4492.4454.2417.9351.5
135°785.9637.8563.8520.5480.9440.0345.6
150°943.4737.6624.7559.3519.5483.0408.5
Run VMG1089.4851.8720.6631.6576.3536.8468.8
Selected Courses
Windward / Leeward1084.7872.9767.8712.1680.6659.6631.9
All purpose831.4688.5620.7582.5557.9538.6508.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward742.40.8082
All purpose600.20.9997
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7066
Downwind "popa"0.8615
70% up, 30% down "Ilhabela"0.7469
30% up, 70% down "Ilhabela-inverso"0.8083
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Predominantly Upwind652.30.9199
Predominantly Downwind607.30.9880
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low760.00.7895
Triple Number All Purpose Medium598.01.0034
Triple Number All Purpose High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Predominantly Upwind652.30.9199
Predominantly Downwind607.30.9880
Predominantly Upwind Low836.20.7175
Predominantly Upwind Medium675.10.8887
Predominantly Upwind High647.20.9271
Predominantly Downwind Low838.90.7152
Predominantly Downwind Medium605.10.9915
Predominantly Downwind High487.81.2300
Chicago-Mac Upwind0.9049
Chicago-Mac All Purpose0.9356
Chicago-Mac Downwind0.9702
Bayview-Mac Cove Island0.8781
Bayview-Mac Shore0.8867
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching568.91.0546
Predominantly Reaching Low690.10.8695
Predominantly Reaching Medium566.11.0600
Predominantly Reaching High487.61.2306
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1068.40.5616
5-Band Low / Medium897.30.6687
5-Band Medium725.10.8275
5-Band Medium / High662.80.9052
5-Band High636.70.9424
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance652.4
Triple Number Coastal/Long Distance Low760.0
Triple Number Coastal/Long Distance Medium598.0
Triple Number Coastal/Long Distance High532.1
Triple Number Windward/Leeward Low978.8
Triple Number Windward/Leeward Medium736.2
Triple Number Windward/Leeward High654.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7895
Triple Number Coastal/Long Distance Medium1.0034
Triple Number Coastal/Long Distance High1.1277
Triple Number Windward/Leeward Low0.6130
Triple Number Windward/Leeward Medium0.8150
Triple Number Windward/Leeward High0.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low760.0
Triple Number Coastal/Long Distance Medium598.0
Triple Number Coastal/Long Distance High532.1
Triple Number Windward/Leeward Low978.8
Triple Number Windward/Leeward Medium736.2
Triple Number Windward/Leeward High654.5
Predominantly Upwind652.3
Predominantly Downwind607.3
Predominantly Reaching581.8
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7895
Triple Number Coastal/Long Distance Medium1.0034
Triple Number Coastal/Long Distance High1.1277
Triple Number Windward/Leeward Low0.6130
Triple Number Windward/Leeward Medium0.8150
Triple Number Windward/Leeward High0.9168
Coastal/Long Distance0.9197
Predominantly Upwind0.9199
Predominantly Downwind0.9880
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7895
Tretall Distanseseilas Mellomvind1.0034
Tretall Distanseseilas Mye vind1.1277
Tretall Pølsebane Lite vind0.6130
Tretall Pølsebane Mellomvind0.8150
Tretall Pølsebane Mye vind0.9168
Distanseseilas ett tall (OSN 8-16kn)0.9197
Distanseseilas ett tall (APH 6-20kn)0.9997
Enkeltall Motvind0.9199
Enkeltall Medvind0.9880
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Coastal/Long Distance652.40.9197
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind652.30.9199
Predominantly Downwind607.30.9880
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore640.20.9372
Cape Doctor Coastal517.41.1597
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7895
Triple Number Coastal/Long Distance Medium1.0034
Triple Number Coastal/Long Distance High1.1277
Triple Number Windward/Leeward Low0.6130
Triple Number Windward/Leeward Medium0.8150
Triple Number Windward/Leeward High0.9168
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7895
Triple Number Coastal/Long Distance Medium1.0034
Triple Number Coastal/Long Distance High1.1277
Triple Number Windward/Leeward Low0.6130
Triple Number Windward/Leeward Medium0.8150
Triple Number Windward/Leeward High0.9168
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Predominantly Upwind652.30.9199
Predominantly Downwind607.30.9880
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance652.40.9197
Triple Number Coastal/Long Distance Low760.00.7895
Triple Number Coastal/Long Distance Medium598.01.0034
Triple Number Coastal/Long Distance High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1085.2823.1695.7622.4579.6541.7475.2
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low760.00.7895
Triple Number All Purpose Medium598.01.0034
Triple Number All Purpose High532.11.1277
Triple Number Windward/Leeward Low978.80.6130
Triple Number Windward/Leeward Medium736.20.8150
Triple Number Windward/Leeward High654.50.9168
Predominantly Upwind652.30.9199
Predominantly Downwind607.30.9880
Predominantly Upwind Low836.20.7175
Predominantly Upwind Medium675.10.8887
Predominantly Upwind High647.20.9271
Predominantly Downwind Low838.90.7152
Predominantly Downwind Medium605.10.9915
Predominantly Downwind High487.81.2300
Chicago-Mac Upwind0.9049
Chicago-Mac All Purpose0.9356
Chicago-Mac Downwind0.9702
Bayview-Mac Cove Island0.8781
Bayview-Mac Shore0.8867
Harvest Moon Regatta508.71.1794
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy636.50.9427
San Francisco Bay Medium726.20.8263
Predominantly Reaching568.91.0546
Predominantly Reaching Low690.10.8695
Predominantly Reaching Medium566.11.0600
Predominantly Reaching High487.61.2306
Windward/Leeward 60-40 Low980.50.6120
Windward/Leeward 60-40 Medium760.10.7893
Windward/Leeward 60-40 High699.80.8574
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1068.40.5616
5-Band Low / Medium897.30.6687
5-Band Medium725.10.8275
5-Band Medium / High662.80.9052
5-Band High636.70.9424
ORC Ref  04560002P6FIssued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RIPTIDE

USA 32122

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassExpress 27MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.309Max. Beam2.463Draft1.337Displacement1,136Wetted area11.06IMS L7.179LSM06.613Acc. length8.004Sink (kg/mm) 8.27
VCGD0.002VCGM-0.033RM Rated (kg·m) 22.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeNo Propeller
Hydro generatorNo
PIPA0.0000
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P8.684IG8.773ISP8.773MDT10.078MDL10.129MDT20.072MDL20.091TL1.379MW0.091GO0.203
E3.170J2.740BAS1.150FSDFoilSFJ0.336SPL3.177WPLTPS3.050BD0.110MWT43.60MCG3.216
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered0.002Flotation Date28/01/2022MeasurerComment
SFFP0.378FFMFF0.917LCFcl4.438SG1.0000
SAFP7.736FAMFA0.691LCFsh4.603HBI0.867
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002P6FIssued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

RIPTIDE

USA 32122

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.140.721.292.142.7216.9512/10/2019
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentAP 10.050.541.042.073.134.208.95NoNo 18.7215/04/2022J30.080.410.751.371.982.619.05YesNo 12.2611/04/2020
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS29.819.819.815.235.2042.7117/11/2020
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA9.907.908.905.365.6096%40.1115/04/2022
ORC Ref  04560002P6FIssued on 26/06/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org