Club
Certificate
2022

Boat

Pimu

FIN-10358

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 Angles42.6°40.8°40.5°38.8°38.2°38.1°38.4°
Beat VMG3.243.924.444.754.854.904.98
52°4.945.856.456.726.836.886.95
60°5.226.136.636.887.017.087.13
75°5.506.466.857.037.247.417.56
90°5.796.677.077.367.577.738.05
110°5.646.617.057.457.878.268.91
120°5.366.446.987.387.858.349.26
135°4.825.956.707.127.538.009.13
150°4.105.166.076.657.047.408.24
Run VMG3.554.475.265.886.476.907.60
Gybe Angles144.8°148.0°148.7°159.2°173.6°179.0°179.0°

APH: 582.8

CDL: 8.212

GPH: 652.8

CertNo:

BOAT
ClassRidas 31DesignerDieter BlankBuilderRidas YachtAge date01/2006Series date01/1999Offset fileCROSS31.OFFData fileFIN10358
HULL
Length Overall9.350 mMaximum Beam3.098 mDraft1.989 mDisplacement3,700 kgDLR5.6554IMS DivisionCruiser/RacerDynamic Allowance0.200%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameterm
CREW
Maximum weight460 kgMinimum weight345 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail31.4932.31Headsail Luffed20.1420.14Headsail FlyingSymmetric59.4260.69Asymmetric55.1060.69 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail8.94Storm Jib6.62Heavy Weather Jib17.86
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
STABILITY
Righting Moment71.5 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  041400021W7Issued on 11/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Pimu

FIN-10358

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 VMG1109.6919.3810.6758.5741.6734.8722.4
52°728.7614.9558.1535.8527.4523.4518.2
60°689.9587.4543.2523.4513.2508.5504.9
75°654.3557.5525.3512.2497.2486.0476.0
90°621.6539.8509.5489.3475.6465.8447.3
110°638.0545.0510.5483.2457.3435.6404.1
120°671.1558.7516.1487.6458.8431.5388.7
135°747.2605.2537.2505.8478.0449.8394.3
150°878.4698.2593.1541.2511.4486.7436.8
Run VMG1014.3806.3684.9612.0556.1521.5473.6
Selected Courses
Windward / Leeward1061.9862.8747.7685.3648.8628.1598.0
All purpose812.8672.9601.4563.6540.8524.9498.4
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward717.00.8368
All purpose582.81.0294
 
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Brazil
Single NumberTime On Time
Upwind "bolina"0.7245
Downwind "popa"0.8996
70% up, 30% down "Ilhabela"0.7695
30% up, 70% down "Ilhabela-inverso"0.8388
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Predominantly Upwind633.70.9468
Predominantly Downwind588.11.0202
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low742.90.8077
Triple Number All Purpose Medium579.61.0352
Triple Number All Purpose High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Predominantly Upwind633.70.9468
Predominantly Downwind588.11.0202
Predominantly Upwind Low839.30.7149
Predominantly Upwind Medium655.30.9156
Predominantly Upwind High611.70.9809
Predominantly Downwind Low803.70.7465
Predominantly Downwind Medium581.81.0312
Predominantly Downwind High487.51.2307
Chicago-Mac Upwind0.9305
Chicago-Mac All Purpose0.9642
Chicago-Mac Downwind1.0037
Bayview-Mac Cove Island0.8972
Bayview-Mac Shore0.9018
Victoria-Maui1.0749
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance635.4
Triple Number Coastal/Long Distance Low742.9
Triple Number Coastal/Long Distance Medium579.6
Triple Number Coastal/Long Distance High518.9
Triple Number Windward/Leeward Low962.3
Triple Number Windward/Leeward Medium711.7
Triple Number Windward/Leeward High622.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8077
Triple Number Coastal/Long Distance Medium1.0352
Triple Number Coastal/Long Distance High1.1562
Triple Number Windward/Leeward Low0.6235
Triple Number Windward/Leeward Medium0.8430
Triple Number Windward/Leeward High0.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Hungary
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low742.9
Triple Number Coastal/Long Distance Medium579.6
Triple Number Coastal/Long Distance High518.9
Triple Number Windward/Leeward Low962.3
Triple Number Windward/Leeward Medium711.7
Triple Number Windward/Leeward High622.0
Predominantly Upwind633.7
Predominantly Downwind588.1
Predominantly Reaching563.1
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8077
Triple Number Coastal/Long Distance Medium1.0352
Triple Number Coastal/Long Distance High1.1562
Triple Number Windward/Leeward Low0.6235
Triple Number Windward/Leeward Medium0.8430
Triple Number Windward/Leeward High0.9646
Coastal/Long Distance0.9443
Predominantly Upwind0.9468
Predominantly Downwind1.0202
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)0.9443
Tretall Distanseseilas Lite vind0.8077
Tretall Distanseseilas Mellomvind1.0352
Tretall Distanseseilas Mye vind1.1562
Tretall Pølsebane Lite vind0.6235
Tretall Pølsebane Mellomvind0.8430
Tretall Pølsebane Mye vind0.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Coastal/Long Distance635.40.9443
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind633.70.9468
Predominantly Downwind588.11.0202
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore607.00.9884
Cape Doctor Coastal506.41.1849
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8077
Triple Number Coastal/Long Distance Medium1.0352
Triple Number Coastal/Long Distance High1.1562
Triple Number Windward/Leeward Low0.6235
Triple Number Windward/Leeward Medium0.8430
Triple Number Windward/Leeward High0.9646
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8077
Triple Number Coastal/Long Distance Medium1.0352
Triple Number Coastal/Long Distance High1.1562
Triple Number Windward/Leeward Low0.6235
Triple Number Windward/Leeward Medium0.8430
Triple Number Windward/Leeward High0.9646
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Predominantly Upwind633.70.9468
Predominantly Downwind588.11.0202
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance635.40.9443
Triple Number Coastal/Long Distance Low742.90.8077
Triple Number Coastal/Long Distance Medium579.61.0352
Triple Number Coastal/Long Distance High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1057.2809.4675.5601.1561.2530.0476.1
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low742.90.8077
Triple Number All Purpose Medium579.61.0352
Triple Number All Purpose High518.91.1562
Triple Number Windward/Leeward Low962.30.6235
Triple Number Windward/Leeward Medium711.70.8430
Triple Number Windward/Leeward High622.00.9646
Predominantly Upwind633.70.9468
Predominantly Downwind588.11.0202
Predominantly Upwind Low839.30.7149
Predominantly Upwind Medium655.30.9156
Predominantly Upwind High611.70.9809
Predominantly Downwind Low803.70.7465
Predominantly Downwind Medium581.81.0312
Predominantly Downwind High487.51.2307
Chicago-Mac Upwind0.9305
Chicago-Mac All Purpose0.9642
Chicago-Mac Downwind1.0037
Bayview-Mac Cove Island0.8972
Bayview-Mac Shore0.9018
Harvest Moon Regatta513.81.1678
Victoria-Maui1.0749
5-Band
Windward/Leeward		Time On DistanceTime On Time
5-Band Low1046.60.5733
5-Band Low / Medium880.60.6814
5-Band Medium699.50.8577
5-Band Medium / High631.30.9504
5-Band High603.20.9947
ORC Ref  041400021W7Issued on 11/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Pimu

FIN-10358

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassRidas 31MeasurementHINPlan reviewHull constructionCoredAramid Hull CoreNoCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.350Max. Beam3.098Draft1.989Displacement3,700Wetted area19.07IMS L8.671LSM08.680Acc. length9.350Sink (kg/mm) 14.08
VCGD-0.002VCGM-0.092RM Measured (kg·m) 71.5RM Default (kg·m) 71.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRDPBWPIPA0.0032
EDL1.000ST10.042ST20.180
ST30.180ST40.112ST50.250
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2
P11.850IG11.500ISP11.640MDT10.104MDL10.150MDT2MDL2TLTaperMWGO
E4.310J3.300BAS1.530FSDFoilSFJ0.000SPL3.320WPLTPS4.950BDMWT94.00MCG4.200
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG estimatedFlotation Date01/01/2015MeasurerComment
SFFP0.275FFMFF1.040LCFcl5.130SG
SAFP8.975FAMFA0.898LCFsh5.337HBI0.991
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  041400021W7Issued on 11/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org

Club
Certificate
2022

Boat

Pimu

FIN-10358

Avomeripurjehtijat ry
c/o Mainoskauppa Oy
Melkonkatu 16 B
00210 HELSINKI
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateMakerMaterialComment10.991.742.873.7531.4910.250.991.722.883.6631.23
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateMakerMaterialComment10.070.480.921.752.573.4311.56YesNo 20.1426/05/2015North SailsCarbon
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateMakerMaterialComment111.2011.2011.206.465.9959.42111.4011.4011.405.9956.88
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateMakerMaterialComment112.6110.5411.585.446.8080%55.1002/05/2022Unknown
ORC Ref  041400021W7Issued on 11/05/2022Valid until 31/12/2022
VPP ver: 2022 1.02 | © ORC | www.orc.org