Club
Certificate
2023

Boat

OCESSE

ITA-1972S850

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles42.0°39.4°38.4°38.8°38.8°39.3°40.2°
Beat VMG3.854.414.624.714.754.754.71
52°5.806.426.636.746.816.856.83
60°6.076.666.887.027.127.187.19
75°6.346.917.267.487.657.777.89
90°6.527.077.507.908.198.428.71
110°6.337.187.898.388.859.279.97
120°6.036.957.778.629.329.9010.92
135°5.176.397.188.069.1610.3912.49
150°4.325.526.467.137.898.9011.63
Run VMG3.744.785.606.176.837.7110.07
Gybe Angles142.1°146.0°150.2°149.2°146.2°144.8°143.1°

APH: 547.7

CDL: 7.736

GPH: 606.8

CertNo: 23/1

BOAT
ClassEsse 850DesignerFelciBuilderSchuchter Sport B.Age date01/2018Series date01/2004Offset fileS850.OD.OFFData fileI1972850
HULL
Length Overall8.500 mMaximum Beam2.190 mDraft2.005 mDisplacement1,286 kgDLR3.1095IMS DivisionSportboatDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationNo PropellerTypeN/ADiameterN/A
CREW
Maximum weight280 kgMinimum weight195 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail27.0128.00Headsail Luffed17.4817.48Headsail Flying42.1242.12SymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail6.71Storm Jib5.07Heavy Weather Jib13.68
SAIL LIMITS
Headsails5  Spinnakers0 * No spinnaker pole aboard
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
Intestatario: Lanfranconi Oriano - HF
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  03190002BE3Issued on 24/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OCESSE

ITA-1972S850

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG934.2815.8779.8764.1757.8757.5764.7
52°620.4560.8543.0533.8528.4525.7527.1
60°593.3540.5523.2512.7505.6501.2500.5
75°567.9520.8495.9481.0470.8463.3456.4
90°551.8509.2480.0455.7439.4427.8413.3
110°568.3501.2456.5429.7406.7388.2361.2
120°597.2518.1463.5417.8386.4363.5329.6
135°696.1563.6501.2446.5393.0346.5288.3
150°833.6652.6557.2505.0456.2404.3309.6
Run VMG962.5753.5643.2583.1526.8466.9357.5
Selected Courses
Windward / Leeward948.4784.7711.5673.6642.3612.2561.1
All purpose721.5616.9567.7537.7513.5492.5461.3
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward688.00.8721
All purpose547.71.0956
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7535
Downwind "popa"0.9782
70% up, 30% down "Ilhabela"0.8093
30% up, 70% down "Ilhabela-inverso"0.8979
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Predominantly Upwind605.30.9913
Predominantly Downwind542.51.1061
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low669.20.8966
Triple Number All Purpose Medium548.31.0943
Triple Number All Purpose High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Predominantly Upwind605.30.9913
Predominantly Downwind542.51.1061
Predominantly Upwind Low741.80.8088
Predominantly Upwind Medium638.00.9404
Predominantly Upwind High616.80.9728
Predominantly Downwind Low741.30.8094
Predominantly Downwind Medium541.41.1082
Predominantly Downwind High417.31.4379
Chicago-Mac Upwind0.9752
Chicago-Mac All Purpose1.0268
Chicago-Mac Downwind1.0839
Bayview-Mac Cove Island0.9783
Bayview-Mac Shore0.9801
Victoria-Maui1.2043
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance597.5
Triple Number Coastal/Long Distance Low669.2
Triple Number Coastal/Long Distance Medium548.3
Triple Number Coastal/Long Distance High486.1
Triple Number Windward/Leeward Low866.6
Triple Number Windward/Leeward Medium687.7
Triple Number Windward/Leeward High600.5
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8966
Triple Number Coastal/Long Distance Medium1.0943
Triple Number Coastal/Long Distance High1.2344
Triple Number Windward/Leeward Low0.6924
Triple Number Windward/Leeward Medium0.8725
Triple Number Windward/Leeward High0.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low669.2
Triple Number Coastal/Long Distance Medium548.3
Triple Number Coastal/Long Distance High486.1
Triple Number Windward/Leeward Low866.6
Triple Number Windward/Leeward Medium687.7
Triple Number Windward/Leeward High600.5
Predominantly Upwind605.3
Predominantly Downwind542.5
Predominantly Reaching520.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8966
Triple Number Coastal/Long Distance Medium1.0943
Triple Number Coastal/Long Distance High1.2344
Triple Number Windward/Leeward Low0.6924
Triple Number Windward/Leeward Medium0.8725
Triple Number Windward/Leeward High0.9991
Coastal/Long Distance1.0042
Predominantly Upwind0.9913
Predominantly Downwind1.1061
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8966
Tretall Distanseseilas Mellomvind1.0943
Tretall Distanseseilas Mye vind1.2344
Tretall Pølsebane Lite vind0.6924
Tretall Pølsebane Mellomvind0.8725
Tretall Pølsebane Mye vind0.9991
Distanseseilas ett tall (OSN 8-16kn)1.0042
Distanseseilas ett tall (APH 6-20kn)1.0956
Enkeltall Motvind0.9913
Enkeltall Medvind1.1061
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Coastal/Long Distance597.51.0042
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind605.30.9913
Predominantly Downwind542.51.1061
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore576.41.0409
Cape Doctor Coastal470.61.2749
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8966
Triple Number Coastal/Long Distance Medium1.0943
Triple Number Coastal/Long Distance High1.2344
Triple Number Windward/Leeward Low0.6924
Triple Number Windward/Leeward Medium0.8725
Triple Number Windward/Leeward High0.9991
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8966
Triple Number Coastal/Long Distance Medium1.0943
Triple Number Coastal/Long Distance High1.2344
Triple Number Windward/Leeward Low0.6924
Triple Number Windward/Leeward Medium0.8725
Triple Number Windward/Leeward High0.9991
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Predominantly Upwind605.30.9913
Predominantly Downwind542.51.1061
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance597.51.0042
Triple Number Coastal/Long Distance Low669.20.8966
Triple Number Coastal/Long Distance Medium548.31.0943
Triple Number Coastal/Long Distance High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance949.8738.8640.2577.6534.7496.0433.4
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low669.20.8966
Triple Number All Purpose Medium548.31.0943
Triple Number All Purpose High486.11.2344
Triple Number Windward/Leeward Low866.60.6924
Triple Number Windward/Leeward Medium687.70.8725
Triple Number Windward/Leeward High600.50.9991
Predominantly Upwind605.30.9913
Predominantly Downwind542.51.1061
Predominantly Upwind Low741.80.8088
Predominantly Upwind Medium638.00.9404
Predominantly Upwind High616.80.9728
Predominantly Downwind Low741.30.8094
Predominantly Downwind Medium541.41.1082
Predominantly Downwind High417.31.4379
Chicago-Mac Upwind0.9752
Chicago-Mac All Purpose1.0268
Chicago-Mac Downwind1.0839
Bayview-Mac Cove Island0.9783
Bayview-Mac Shore0.9801
Harvest Moon Regatta453.31.3235
Victoria-Maui1.2043
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy584.41.0266
San Francisco Bay Medium669.00.8968
Predominantly Reaching1.1745
Predominantly Reaching Low0.9892
Predominantly Reaching Medium1.1784
Predominantly Reaching High1.3771
Windward/Leeward 60-40 Low868.20.6911
Windward/Leeward 60-40 Medium716.30.8376
Windward/Leeward 60-40 High654.90.9162
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low935.80.6412
5-Band Low / Medium806.10.7443
5-Band Medium678.70.8841
5-Band Medium / High613.90.9774
5-Band High569.91.0527
ORC Ref  03190002BE3Issued on 24/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OCESSE

ITA-1972S850

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassEsse 850Measurement01/01/2010HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA8.500Max. Beam2.190Draft2.005Displacement1,286Wetted area13.23IMS L7.835LSM07.449Acc. length7.117Sink (kg/mm) 9.98
VCGD-0.300VCGM-0.300RM Rated (kg·m) 36.6Limit 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
P10.500IG10.000ISP11.500MDT10.082MDL10.124MDT2MDL2TLNo TaperMW0.124GO0.144
E3.650J3.070BAS1.106FSDNo FoilSFJ0.260SPLWPLTPS4.920BD0.136MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodVCG entered directlyVCG entered-0.300Flotation Date01/01/2013MeasurerComment
SFFP0.060FFMFF0.817LCFcl4.506SG1.0005
SAFP8.000FAMFA0.720LCFsh4.628HBI0.749
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03190002BE3Issued on 24/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
2023

Boat

OCESSE

ITA-1972S850

FEDERAZIONE ITALIANA VELA
Distr.:UVAI  www.uvai.it
Tel. + 39068841273
E-mail  segreteria@uvai.it
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentA0.901.402.002.803.2427.0119/10/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentB0.151.002.104.005.005.6012.35NoYes042.1219/10/2018dummyA0.000.000.000.000.003.4010.10NoNo 17.4819/10/2018
ORC Ref  03190002BE3Issued on 24/01/2023Valid until 31/12/2023
VPP ver: 2023 1.00 | © ORC | www.orc.org