Club
Certificate
2023

Boat

ZELLA

USA 84044

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 Angles41.8°40.0°38.7°37.8°37.2°37.0°37.2°
Beat VMG3.534.204.624.804.894.954.98
52°5.286.106.516.706.786.836.88
60°5.506.276.656.846.947.007.06
75°5.636.376.756.987.147.257.37
90°5.506.316.777.027.237.407.65
110°5.466.456.947.267.527.707.99
120°5.316.356.907.287.607.888.37
135°4.825.926.647.087.457.818.51
150°4.125.176.026.556.887.157.68
Run VMG3.574.485.215.676.006.497.12
Gybe Angles145.7°147.8°148.0°149.2°168.5°174.5°176.3°

APH: 586.8

CDL: 8.191

GPH: 652.1

CertNo: US4288

BOAT
ClassC&C 35-3DesignerRob HallBuilderC&C YachtsAge date01/1985Series date05/1983Offset fileUS17890.OFFData fileUS4288
HULL
Length Overall10.611 mMaximum Beam3.432 mDraft1.998 mDisplacement4,995 kgDLR9.0300IMS DivisionCruiser/RacerDynamic Allowance0.140%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.433m
CREW
Maximum weight519 kgMinimum weight390 kg * when appliedNon Manual PowerNoCrew Arm Extension0.00 m
SAIL AREAS (m²)
MeasuredRatedMainsail28.0128.45Headsail Luffed43.1043.10Headsail FlyingSymmetricAsymmetric97.0697.06 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail8.25Storm Jib10.12Heavy Weather Jib27.33
SAIL LIMITS
Headsails5  Spinnakers4
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  04560002MPLIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZELLA

USA 84044

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 VMG1020.4856.2779.2750.0735.7727.5723.3
52°681.7589.9552.8537.6530.8526.7523.2
60°654.1574.1541.6526.3518.8514.2509.8
75°639.8565.2533.2515.5504.1496.8488.5
90°655.0570.3531.9512.7497.7486.3470.7
110°658.9558.2518.6495.7479.0467.6450.5
120°677.7567.3521.7494.5473.6456.8430.1
135°747.6608.6542.0508.6483.0461.0422.9
150°873.9696.1598.1549.6523.5503.8469.0
Run VMG1009.1803.8690.6634.6600.2555.0505.3
Selected Courses
Windward / Leeward1014.7830.0734.9692.3667.9641.3614.3
All purpose791.1661.4599.3570.3552.1537.5518.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward716.80.8370
All purpose586.81.0226
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7510
Downwind "popa"0.8753
70% up, 30% down "Ilhabela"0.7844
30% up, 70% down "Ilhabela-inverso"0.8339
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Predominantly Upwind629.10.9537
Predominantly Downwind596.01.0067
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low726.20.8262
Triple Number All Purpose Medium583.01.0291
Triple Number All Purpose High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Predominantly Upwind629.10.9537
Predominantly Downwind596.01.0067
Predominantly Upwind Low799.10.7509
Predominantly Upwind Medium648.20.9256
Predominantly Upwind High615.70.9744
Predominantly Downwind Low794.40.7552
Predominantly Downwind Medium595.01.0085
Predominantly Downwind High512.81.1700
Chicago-Mac Upwind0.9391
Chicago-Mac All Purpose0.9627
Chicago-Mac Downwind0.9914
Bayview-Mac Cove Island0.9058
Bayview-Mac Shore0.9139
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching559.91.0715
Predominantly Reaching Low665.60.9015
Predominantly Reaching Medium554.11.0829
Predominantly Reaching High499.01.2023
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1000.50.5997
5-Band Low / Medium850.80.7052
5-Band Medium702.50.8541
5-Band Medium / High645.70.9293
5-Band High619.00.9693
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance635.5
Triple Number Coastal/Long Distance Low726.2
Triple Number Coastal/Long Distance Medium583.0
Triple Number Coastal/Long Distance High534.1
Triple Number Windward/Leeward Low922.4
Triple Number Windward/Leeward Medium711.9
Triple Number Windward/Leeward High637.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8262
Triple Number Coastal/Long Distance Medium1.0291
Triple Number Coastal/Long Distance High1.1233
Triple Number Windward/Leeward Low0.6505
Triple Number Windward/Leeward Medium0.8428
Triple Number Windward/Leeward High0.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low726.2
Triple Number Coastal/Long Distance Medium583.0
Triple Number Coastal/Long Distance High534.1
Triple Number Windward/Leeward Low922.4
Triple Number Windward/Leeward Medium711.9
Triple Number Windward/Leeward High637.8
Predominantly Upwind629.1
Predominantly Downwind596.0
Predominantly Reaching572.4
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8262
Triple Number Coastal/Long Distance Medium1.0291
Triple Number Coastal/Long Distance High1.1233
Triple Number Windward/Leeward Low0.6505
Triple Number Windward/Leeward Medium0.8428
Triple Number Windward/Leeward High0.9407
Coastal/Long Distance0.9441
Predominantly Upwind0.9537
Predominantly Downwind1.0067
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8262
Tretall Distanseseilas Mellomvind1.0291
Tretall Distanseseilas Mye vind1.1233
Tretall Pølsebane Lite vind0.6505
Tretall Pølsebane Mellomvind0.8428
Tretall Pølsebane Mye vind0.9407
Distanseseilas ett tall (OSN 8-16kn)0.9441
Distanseseilas ett tall (APH 6-20kn)1.0226
Enkeltall Motvind0.9537
Enkeltall Medvind1.0067
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Coastal/Long Distance635.50.9441
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind629.10.9537
Predominantly Downwind596.01.0067
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore622.40.9640
Cape Doctor Coastal524.31.1443
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8262
Triple Number Coastal/Long Distance Medium1.0291
Triple Number Coastal/Long Distance High1.1233
Triple Number Windward/Leeward Low0.6505
Triple Number Windward/Leeward Medium0.8428
Triple Number Windward/Leeward High0.9407
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8262
Triple Number Coastal/Long Distance Medium1.0291
Triple Number Coastal/Long Distance High1.1233
Triple Number Windward/Leeward Low0.6505
Triple Number Windward/Leeward Medium0.8428
Triple Number Windward/Leeward High0.9407
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Predominantly Upwind629.10.9537
Predominantly Downwind596.01.0067
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance635.50.9441
Triple Number Coastal/Long Distance Low726.20.8262
Triple Number Coastal/Long Distance Medium583.01.0291
Triple Number Coastal/Long Distance High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1014.2784.4668.7607.0573.3543.7498.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low726.20.8262
Triple Number All Purpose Medium583.01.0291
Triple Number All Purpose High534.11.1233
Triple Number Windward/Leeward Low922.40.6505
Triple Number Windward/Leeward Medium711.90.8428
Triple Number Windward/Leeward High637.80.9407
Predominantly Upwind629.10.9537
Predominantly Downwind596.01.0067
Predominantly Upwind Low799.10.7509
Predominantly Upwind Medium648.20.9256
Predominantly Upwind High615.70.9744
Predominantly Downwind Low794.40.7552
Predominantly Downwind Medium595.01.0085
Predominantly Downwind High512.81.1700
Chicago-Mac Upwind0.9391
Chicago-Mac All Purpose0.9627
Chicago-Mac Downwind0.9914
Bayview-Mac Cove Island0.9058
Bayview-Mac Shore0.9139
Harvest Moon Regatta519.91.1541
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy621.30.9657
San Francisco Bay Medium698.20.8594
Predominantly Reaching559.91.0715
Predominantly Reaching Low665.60.9015
Predominantly Reaching Medium554.11.0829
Predominantly Reaching High499.01.2023
Windward/Leeward 60-40 Low925.60.6483
Windward/Leeward 60-40 Medium730.00.8219
Windward/Leeward 60-40 High668.50.8975
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1000.50.5997
5-Band Low / Medium850.80.7052
5-Band Medium702.50.8541
5-Band Medium / High645.70.9293
5-Band High619.00.9693
ORC Ref  04560002MPLIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZELLA

USA 84044

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassC&C 35-3MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.611Max. Beam3.432Draft1.998Displacement4,995Wetted area22.55IMS L8.453LSM08.208Acc. length10.611Sink (kg/mm) 15.95
VCGD-0.034VCGM0.024RM Rated (kg·m) 97.7Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.433PBW0.105PIPA0.0035
PSD0.025PHD0.046PHL0.165
PSA22.1°ESL0.738
ST10.022ST20.091ST30.091
ST40.046ST50.261
RIG
Forestay tensionAftInner stayAdjustableCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/CheckstaysSpreaders2Rotating mastNo
P12.345IG14.165ISP14.226MDT10.119MDL10.199MDT20.119MDL20.199TL0.000MW0.199GO0.217
E3.817J4.149BAS1.598FSD0.015SFJ0.433SPLWPL0.000TPS5.419BD0.156MWT0.00MCG0.000
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date23/05/2023MeasurerComment
SFFP0.835FFMFF1.312LCFcl6.008SG
SAFP9.921FAMFA0.977LCFsh6.253HBI1.055
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002MPLIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org

Club
Certificate
2023

Boat

ZELLA

USA 84044

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentMain0.160.821.452.443.1928.0124/02/2020
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentGenoa0.080.811.573.154.766.3313.60NoNo 43.1021/04/2021
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentA215.3413.3214.338.207.84105%97.0621/04/2021
ORC Ref  04560002MPLIssued on 25/05/2023Valid until 19/02/2024
VPP ver: 2023 1.02 | © ORC | www.orc.org