Club
Certificate
2022

Boat

Slipfree

FIN11819

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.6°41.8°41.8°40.6°39.4°39.0°39.9°
Beat VMG3.133.804.334.754.945.035.04
52°4.845.766.476.867.057.137.17
60°5.156.086.717.047.237.327.39
75°5.396.346.897.197.417.597.79
90°5.326.326.977.317.487.728.16
110°5.256.397.077.447.788.118.50
120°5.096.226.977.377.728.108.84
135°4.605.686.597.127.477.838.64
150°3.914.975.886.667.147.478.17
Run VMG3.394.315.105.846.466.977.62
Gybe Angles146.0°150.5°152.0°156.5°166.4°177.2°179.0°

APH: 586.6

CDL: 8.613

GPH: 662.1

CertNo:

BOAT
ClassDufour 34DesignerUmberto FelciBuilderDufour YachtAge dateSeries date07/2002Offset fileDUF34PERF.offData fileFIN11819
HULL
Length Overall10.280 mMaximum Beam3.482 mDraft1.945 mDisplacement5,500 kgDLR6.4261IMS DivisionCruiser/RacerDynamic Allowance0.330%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.400m
CREW
Maximum weight530 kgMinimum weight398 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.6132.37Headsail Luffed32.7732.77Headsail FlyingSymmetric71.1271.12Asymmetric
STORM SAIL AREAS (m²)
Trysail9.31Storm Jib8.76Heavy Weather Jib23.63
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting Moment117.5 kg·mStability 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  041400025C7Issued on 16/06/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Slipfree

FIN11819

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1149.5947.0830.9758.2728.3715.9714.5
52°743.7625.3556.4524.4510.5505.1502.0
60°699.3592.3536.3511.2498.0491.5487.3
75°668.4567.8522.3500.6485.9474.4462.3
90°676.1569.5516.3492.3481.0466.1441.1
110°686.1563.2509.5484.0462.9444.0423.7
120°707.6578.6516.2488.2466.1444.3407.4
135°782.0633.7546.2505.5481.8459.6416.8
150°921.0724.3612.0540.2504.4482.2440.7
Run VMG1063.4836.1705.3616.3557.2516.7472.6
Selected Courses
Windward / Leeward1106.5891.6768.1687.2642.7616.3593.6
All purpose849.1694.9610.5562.0535.9518.7497.9
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward724.10.8286
All purpose586.61.0229
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7187
Downwind "popa"0.8809
70% up, 30% down "Ilhabela"0.7607
30% up, 70% down "Ilhabela-inverso"0.8250
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Predominantly Upwind636.80.9422
Predominantly Downwind596.91.0051
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low772.00.7772
Triple Number All Purpose Medium582.71.0297
Triple Number All Purpose High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Predominantly Upwind636.80.9422
Predominantly Downwind596.91.0051
Predominantly Upwind Low868.80.6906
Predominantly Upwind Medium656.60.9138
Predominantly Upwind High599.91.0001
Predominantly Downwind Low837.90.7160
Predominantly Downwind Medium589.81.0172
Predominantly Downwind High489.71.2251
Chicago-Mac Upwind0.9228
Chicago-Mac All Purpose0.9515
Chicago-Mac Downwind0.9871
Bayview-Mac Cove Island0.8784
Bayview-Mac Shore0.8864
Victoria-Maui1.0578
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance640.2
Triple Number Coastal/Long Distance Low772.0
Triple Number Coastal/Long Distance Medium582.7
Triple Number Coastal/Long Distance High515.2
Triple Number Windward/Leeward Low999.0
Triple Number Windward/Leeward Medium720.1
Triple Number Windward/Leeward High614.4
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7772
Triple Number Coastal/Long Distance Medium1.0297
Triple Number Coastal/Long Distance High1.1647
Triple Number Windward/Leeward Low0.6006
Triple Number Windward/Leeward Medium0.8332
Triple Number Windward/Leeward High0.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low772.0
Triple Number Coastal/Long Distance Medium582.7
Triple Number Coastal/Long Distance High515.2
Triple Number Windward/Leeward Low999.0
Triple Number Windward/Leeward Medium720.1
Triple Number Windward/Leeward High614.4
Predominantly Upwind636.8
Predominantly Downwind596.9
Predominantly Reaching571.8
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7772
Triple Number Coastal/Long Distance Medium1.0297
Triple Number Coastal/Long Distance High1.1647
Triple Number Windward/Leeward Low0.6006
Triple Number Windward/Leeward Medium0.8332
Triple Number Windward/Leeward High0.9766
Coastal/Long Distance0.9372
Predominantly Upwind0.9422
Predominantly Downwind1.0051
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9372
Tretall Distanseseilas Lite vind0.7772
Tretall Distanseseilas Mellomvind1.0297
Tretall Distanseseilas Mye vind1.1647
Tretall Pølsebane Lite vind0.6006
Tretall Pølsebane Mellomvind0.8332
Tretall Pølsebane Mye vind0.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Coastal/Long Distance640.20.9372
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind636.80.9422
Predominantly Downwind596.91.0051
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore600.40.9993
Cape Doctor Coastal504.11.1902
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7772
Triple Number Coastal/Long Distance Medium1.0297
Triple Number Coastal/Long Distance High1.1647
Triple Number Windward/Leeward Low0.6006
Triple Number Windward/Leeward Medium0.8332
Triple Number Windward/Leeward High0.9766
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.7772
Triple Number Coastal/Long Distance Medium1.0297
Triple Number Coastal/Long Distance High1.1647
Triple Number Windward/Leeward Low0.6006
Triple Number Windward/Leeward Medium0.8332
Triple Number Windward/Leeward High0.9766
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Predominantly Upwind636.80.9422
Predominantly Downwind596.91.0051
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance640.20.9372
Triple Number Coastal/Long Distance Low772.00.7772
Triple Number Coastal/Long Distance Medium582.71.0297
Triple Number Coastal/Long Distance High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1102.2836.5689.9600.1556.2524.3474.7
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low772.00.7772
Triple Number All Purpose Medium582.71.0297
Triple Number All Purpose High515.21.1647
Triple Number Windward/Leeward Low999.00.6006
Triple Number Windward/Leeward Medium720.10.8332
Triple Number Windward/Leeward High614.40.9766
Predominantly Upwind636.80.9422
Predominantly Downwind596.91.0051
Predominantly Upwind Low868.80.6906
Predominantly Upwind Medium656.60.9138
Predominantly Upwind High599.91.0001
Predominantly Downwind Low837.90.7160
Predominantly Downwind Medium589.81.0172
Predominantly Downwind High489.71.2251
Chicago-Mac Upwind0.9228
Chicago-Mac All Purpose0.9515
Chicago-Mac Downwind0.9871
Bayview-Mac Cove Island0.8784
Bayview-Mac Shore0.8864
Harvest Moon Regatta513.81.1677
Victoria-Maui1.0578
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low1089.90.5505
5-Band Low / Medium909.90.6594
5-Band Medium704.50.8517
5-Band Medium / High622.90.9632
5-Band High597.51.0042
ORC Ref  041400025C7Issued on 16/06/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Slipfree

FIN11819

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDufour 34MeasurementHINPlan reviewHull constructionSolidCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.280Max. Beam3.482Draft1.945Displacement5,500Wetted area23.88IMS L9.469LSM09.494Acc. length10.300Sink (kg/mm) 18.26
VCGD0.034VCGM0.048RM Measured (kg·m) 117.5RM Default (kg·m) 117.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0041
EDL2.000ST10.065ST20.180
ST30.180ST40.110ST50.350
RIG
Forestay tensionFixedInner stayFixedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders1
P11.820IG13.230ISP13.180MDT10.125MDL10.198MDT2MDL2TLMWGO
E4.500J3.740BAS1.430FSDSFJSPL3.750WPLTPS3.740BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG estimatedFlotation Date26/02/2020MeasurerComment
SFFP0.390FFMFF1.214LCFcl5.604SG
SAFP9.636FAMFA1.089LCFsh5.855HBI1.091
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  041400025C7Issued on 16/06/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Slipfree

FIN11819

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment20.200.981.732.863.7531.6115/06/2022wbUnknown
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment20.081.272.585.2612.47NoNo 32.77Unknown30.070.611.182.433.795.2312.58NoNo 31.7115/06/2022Unknown
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialComment112.9512.9512.956.5571.12
ORC Ref  041400025C7Issued on 16/06/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org