Club
Certificate
2023

Boat

Yotto

NOR 16122

Norges Seilforbund
Sognsveien 73
0854 OSLO
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles41.8°39.6°38.2°37.6°37.5°37.2°37.9°
Beat VMG3.484.124.464.594.674.714.72
52°5.225.946.256.396.476.526.56
60°5.446.096.396.546.626.686.74
75°5.576.206.516.706.846.937.06
90°5.466.186.546.776.967.137.42
110°5.306.206.646.947.217.497.90
120°5.126.076.586.927.227.568.31
135°4.595.606.306.717.047.388.24
150°3.834.885.766.366.737.057.73
Run VMG3.324.235.015.706.256.637.25
Gybe Angles145.7°151.0°154.1°164.6°177.2°179.0°179.0°

APH: 608.4

CDL: 7.398

GPH: 676.0

CertNo: 676147

BOAT
ClassX-95DesignerJeppesenBuilderNordsøe VerftAge dateSeries date01/1982Offset filex95.OFFData file676147
HULL
Length Overall9.259 mMaximum Beam3.234 mDraft1.780 mDisplacement3,290 kgDLR9.3398IMS DivisionCruiser/RacerDynamic Allowance0.030%Age Allowance0.487%
PROPELLER
InstallationPIPA entered directlyTypeN/APIPA0.0050
CREW
Maximum weight419 kgMinimum weight314 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail30.5331.37Headsail Luffed26.1426.14Headsail FlyingSymmetric58.1558.15Asymmetric
STORM SAIL AREAS (m²)
Trysail8.71Storm Jib5.58Heavy Weather Jib15.06
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Forenklet
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  03440002SVDIssued on 10/10/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Yotto

NOR 16122

Norges Seilforbund
Sognsveien 73
0854 OSLO
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1033.4873.7807.9783.7771.4763.9762.4
52°689.5606.4575.6563.2556.6552.5548.5
60°661.4590.7563.5550.5543.7539.0533.7
75°646.2580.2552.9537.0526.4519.4510.0
90°659.3582.6550.5531.5517.0504.6485.3
110°679.0580.3542.0518.7499.0480.8455.9
120°703.4593.1547.2520.4498.4476.1433.2
135°785.1642.9571.6536.9511.1488.0437.0
150°939.3737.9625.2566.2534.9510.6465.6
Run VMG1084.6851.6718.5631.4576.2542.8496.7
Selected Courses
Windward / Leeward1059.0862.7763.2707.5673.8653.4629.5
All purpose817.2685.7624.1591.6571.5556.6534.4
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward735.70.8156
All purpose608.40.9862
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7246
Downwind "popa"0.8568
70% up, 30% down "Ilhabela"0.7598
30% up, 70% down "Ilhabela-inverso"0.8124
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Predominantly Upwind653.30.9184
Predominantly Downwind616.80.9728
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low751.40.7985
Triple Number All Purpose Medium605.30.9913
Triple Number All Purpose High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Predominantly Upwind653.30.9184
Predominantly Downwind616.80.9728
Predominantly Upwind Low819.50.7322
Predominantly Upwind Medium674.20.8899
Predominantly Upwind High644.40.9311
Predominantly Downwind Low834.10.7193
Predominantly Downwind Medium612.40.9798
Predominantly Downwind High517.71.1591
Chicago-Mac Upwind0.9043
Chicago-Mac All Purpose0.9278
Chicago-Mac Downwind0.9568
Bayview-Mac Cove Island0.8751
Bayview-Mac Shore0.8825
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching581.61.0316
Predominantly Reaching Low687.40.8728
Predominantly Reaching Medium576.81.0403
Predominantly Reaching High519.71.1545
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1043.90.5748
5-Band Low / Medium884.40.6784
5-Band Medium719.50.8339
5-Band Medium / High657.30.9128
5-Band High633.70.9469
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance658.7
Triple Number Coastal/Long Distance Low751.4
Triple Number Coastal/Long Distance Medium605.3
Triple Number Coastal/Long Distance High552.0
Triple Number Windward/Leeward Low960.8
Triple Number Windward/Leeward Medium730.5
Triple Number Windward/Leeward High649.6
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7985
Triple Number Coastal/Long Distance Medium0.9913
Triple Number Coastal/Long Distance High1.0870
Triple Number Windward/Leeward Low0.6245
Triple Number Windward/Leeward Medium0.8213
Triple Number Windward/Leeward High0.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low751.4
Triple Number Coastal/Long Distance Medium605.3
Triple Number Coastal/Long Distance High552.0
Triple Number Windward/Leeward Low960.8
Triple Number Windward/Leeward Medium730.5
Triple Number Windward/Leeward High649.6
Predominantly Upwind653.3
Predominantly Downwind616.8
Predominantly Reaching594.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7985
Triple Number Coastal/Long Distance Medium0.9913
Triple Number Coastal/Long Distance High1.0870
Triple Number Windward/Leeward Low0.6245
Triple Number Windward/Leeward Medium0.8213
Triple Number Windward/Leeward High0.9237
Coastal/Long Distance0.9109
Predominantly Upwind0.9184
Predominantly Downwind0.9728
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.7985
Tretall Distanseseilas Mellomvind0.9913
Tretall Distanseseilas Mye vind1.0870
Tretall Pølsebane Lite vind0.6245
Tretall Pølsebane Mellomvind0.8213
Tretall Pølsebane Mye vind0.9237
Distanseseilas ett tall (OSN 8-16kn)0.9109
Distanseseilas ett tall (APH 6-20kn)0.9862
Enkeltall Motvind0.9184
Enkeltall Medvind0.9728
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Coastal/Long Distance658.70.9109
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind653.30.9184
Predominantly Downwind616.80.9728
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore636.70.9424
Cape Doctor Coastal541.01.1090
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7985
Triple Number Coastal/Long Distance Medium0.9913
Triple Number Coastal/Long Distance High1.0870
Triple Number Windward/Leeward Low0.6245
Triple Number Windward/Leeward Medium0.8213
Triple Number Windward/Leeward High0.9237
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7985
Triple Number Coastal/Long Distance Medium0.9913
Triple Number Coastal/Long Distance High1.0870
Triple Number Windward/Leeward Low0.6245
Triple Number Windward/Leeward Medium0.8213
Triple Number Windward/Leeward High0.9237
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Predominantly Upwind653.30.9184
Predominantly Downwind616.80.9728
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance658.70.9109
Triple Number Coastal/Long Distance Low751.40.7985
Triple Number Coastal/Long Distance Medium605.30.9913
Triple Number Coastal/Long Distance High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1061.6815.4695.2628.5592.1562.4511.3
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low751.40.7985
Triple Number All Purpose Medium605.30.9913
Triple Number All Purpose High552.01.0870
Triple Number Windward/Leeward Low960.80.6245
Triple Number Windward/Leeward Medium730.50.8213
Triple Number Windward/Leeward High649.60.9237
Predominantly Upwind653.30.9184
Predominantly Downwind616.80.9728
Predominantly Upwind Low819.50.7322
Predominantly Upwind Medium674.20.8899
Predominantly Upwind High644.40.9311
Predominantly Downwind Low834.10.7193
Predominantly Downwind Medium612.40.9798
Predominantly Downwind High517.71.1591
Chicago-Mac Upwind0.9043
Chicago-Mac All Purpose0.9278
Chicago-Mac Downwind0.9568
Bayview-Mac Cove Island0.8751
Bayview-Mac Shore0.8825
Harvest Moon Regatta536.21.1189
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy640.00.9375
San Francisco Bay Medium724.10.8286
Predominantly Reaching581.61.0316
Predominantly Reaching Low687.40.8728
Predominantly Reaching Medium576.81.0403
Predominantly Reaching High519.71.1545
Windward/Leeward 60-40 Low959.40.6254
Windward/Leeward 60-40 Medium752.90.7969
Windward/Leeward 60-40 High688.90.8710
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1043.90.5748
5-Band Low / Medium884.40.6784
5-Band Medium719.50.8339
5-Band Medium / High657.30.9128
5-Band High633.70.9469
ORC Ref  03440002SVDIssued on 10/10/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Yotto

NOR 16122

Norges Seilforbund
Sognsveien 73
0854 OSLO
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-95MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA9.259Max. Beam3.234Draft1.780Displacement3,290Wetted area17.28IMS L7.534LSM07.062Acc. length9.259Sink (kg/mm) 12.90
VCGD-0.025VCGM0.022RM Rated (kg·m) 62.9Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeEnter PIPA directly
Hydro generatorNo
PIPA0.0050
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays2Spreaders2Rotating mastNo
P11.570IG10.560ISP10.820MDT10.093MDL10.113MDT20.000MDL20.000TLTaperMW0.000GO0.000
E4.300J3.200BAS1.623FSDFoilSFJ0.000SPL3.360WPLTPS0.000BDMWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2015MeasurerComment
SFFP0.504FFMFF1.143LCFcl4.983SG
SAFP8.113FAMFA0.845LCFsh5.238HBI1.028
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03440002SVDIssued on 10/10/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

Yotto

NOR 16122

Norges Seilforbund
Sognsveien 73
0854 OSLO
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment1-2022060811090.000.000.000.000.0030.5308/06/2022
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment1-2022060811100.000.000.000.000.004.8010.70NoNo 26.1408/06/2022
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment1-20220608111010.9010.9010.906.490.0058.1508/06/2022
ORC Ref  03440002SVDIssued on 10/10/2023Valid until 31/03/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org