Club
Certificate
2023

Boat

KNEE DEEP

USA25006

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 Angles42.0°40.0°38.2°37.8°37.6°37.6°38.4°
Beat VMG3.564.224.594.734.794.834.81
52°5.356.096.456.606.676.716.74
60°5.586.256.586.756.846.896.94
75°5.716.346.696.917.067.167.27
90°5.646.396.807.067.247.377.64
110°5.446.306.797.127.427.728.29
120°5.236.206.737.117.467.818.57
135°4.755.816.466.887.257.678.66
150°4.045.115.966.526.907.258.08
Run VMG3.504.425.205.826.366.757.42
Gybe Angles145.7°150.2°154.1°162.8°175.4°178.1°178.4°

APH: 590.8

CDL: 7.852

GPH: 656.0

CertNo: US2500

BOAT
ClassJ 34DesignerR.JOHNSTONEBuilderTILLOTSON-PEARSONAge date12/1985Series date01/1984Offset fileUS18419_KneeDeep.OFFData fileUSA 25006
HULL
Length Overall10.378 mMaximum Beam3.469 mDraft1.839 mDisplacement3,648 kgDLR8.4982IMS DivisionPerformanceDynamic Allowance0.000%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.397m
CREW
Maximum weight460 kgMinimum weight345 kg * when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail25.3425.77Headsail Luffed39.1439.14Headsail FlyingSymmetric78.1178.11Asymmetric58.2361.13 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS (m²)
Trysail7.29Storm Jib9.20Heavy Weather Jib24.84
SAIL LIMITS
Headsails5  Spinnakers4 * Asymmetric may be tacked on the pole
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  04560002Q7KIssued on 13/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

KNEE DEEP

USA25006

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 VMG1011.8853.5784.2761.4751.2745.8748.3
52°672.9590.8558.5545.6539.6536.3534.0
60°645.1576.2547.2533.2526.7522.6518.9
75°630.0567.6538.4520.9509.6503.0495.2
90°638.5563.0529.7509.9497.1488.8471.4
110°661.2571.4530.5505.6485.2466.1434.2
120°688.3580.6535.1506.6482.4461.0420.1
135°758.1619.5557.0523.2496.4469.4415.7
150°891.1705.0603.6552.2521.8496.9445.5
Run VMG1029.0814.0692.7618.1566.4533.1485.4
Selected Courses
Windward / Leeward1020.4833.8738.4689.7658.8639.4616.9
All purpose791.2665.4605.5574.9555.5541.2518.8
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward715.60.8385
All purpose590.81.0155
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7425
Downwind "popa"0.8863
70% up, 30% down "Ilhabela"0.7805
30% up, 70% down "Ilhabela-inverso"0.8377
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Predominantly Upwind634.30.9460
Predominantly Downwind597.81.0037
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low728.30.8238
Triple Number All Purpose Medium587.81.0208
Triple Number All Purpose High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Predominantly Upwind634.30.9460
Predominantly Downwind597.81.0037
Predominantly Upwind Low796.90.7529
Predominantly Upwind Medium654.40.9168
Predominantly Upwind High628.10.9553
Predominantly Downwind Low801.50.7486
Predominantly Downwind Medium594.51.0093
Predominantly Downwind High503.51.1917
Chicago-Mac Upwind0.9316
Chicago-Mac All Purpose0.9573
Chicago-Mac Downwind0.9877
Bayview-Mac Cove Island0.9027
Bayview-Mac Shore0.9101
Scoring OptionTime On
Distance		Time On
Time
Predominantly Reaching563.01.0657
Predominantly Reaching Low665.10.9022
Predominantly Reaching Medium558.41.0745
Predominantly Reaching High503.01.1929
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1006.00.5964
5-Band Low / Medium854.60.7021
5-Band Medium700.40.8567
5-Band Medium / High643.10.9329
5-Band High620.80.9665
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance639.3
Triple Number Coastal/Long Distance Low728.3
Triple Number Coastal/Long Distance Medium587.8
Triple Number Coastal/Long Distance High536.4
Triple Number Windward/Leeward Low927.1
Triple Number Windward/Leeward Medium710.2
Triple Number Windward/Leeward High635.8
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8238
Triple Number Coastal/Long Distance Medium1.0208
Triple Number Coastal/Long Distance High1.1186
Triple Number Windward/Leeward Low0.6472
Triple Number Windward/Leeward Medium0.8448
Triple Number Windward/Leeward High0.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low728.3
Triple Number Coastal/Long Distance Medium587.8
Triple Number Coastal/Long Distance High536.4
Triple Number Windward/Leeward Low927.1
Triple Number Windward/Leeward Medium710.2
Triple Number Windward/Leeward High635.8
Predominantly Upwind634.3
Predominantly Downwind597.8
Predominantly Reaching575.2
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8238
Triple Number Coastal/Long Distance Medium1.0208
Triple Number Coastal/Long Distance High1.1186
Triple Number Windward/Leeward Low0.6472
Triple Number Windward/Leeward Medium0.8448
Triple Number Windward/Leeward High0.9437
Coastal/Long Distance0.9386
Predominantly Upwind0.9460
Predominantly Downwind1.0037
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8238
Tretall Distanseseilas Mellomvind1.0208
Tretall Distanseseilas Mye vind1.1186
Tretall Pølsebane Lite vind0.6472
Tretall Pølsebane Mellomvind0.8448
Tretall Pølsebane Mye vind0.9437
Distanseseilas ett tall (OSN 8-16kn)0.9386
Distanseseilas ett tall (APH 6-20kn)1.0155
Enkeltall Motvind0.9460
Enkeltall Medvind1.0037
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Coastal/Long Distance639.30.9386
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind634.30.9460
Predominantly Downwind597.81.0037
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore623.60.9621
Cape Doctor Coastal525.51.1418
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8238
Triple Number Coastal/Long Distance Medium1.0208
Triple Number Coastal/Long Distance High1.1186
Triple Number Windward/Leeward Low0.6472
Triple Number Windward/Leeward Medium0.8448
Triple Number Windward/Leeward High0.9437
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8238
Triple Number Coastal/Long Distance Medium1.0208
Triple Number Coastal/Long Distance High1.1186
Triple Number Windward/Leeward Low0.6472
Triple Number Windward/Leeward Medium0.8448
Triple Number Windward/Leeward High0.9437
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Predominantly Upwind634.30.9460
Predominantly Downwind597.81.0037
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance639.30.9386
Triple Number Coastal/Long Distance Low728.30.8238
Triple Number Coastal/Long Distance Medium587.81.0208
Triple Number Coastal/Long Distance High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance1021.3788.2673.3610.9575.6547.0496.9
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low728.30.8238
Triple Number All Purpose Medium587.81.0208
Triple Number All Purpose High536.41.1186
Triple Number Windward/Leeward Low927.10.6472
Triple Number Windward/Leeward Medium710.20.8448
Triple Number Windward/Leeward High635.80.9437
Predominantly Upwind634.30.9460
Predominantly Downwind597.81.0037
Predominantly Upwind Low796.90.7529
Predominantly Upwind Medium654.40.9168
Predominantly Upwind High628.10.9553
Predominantly Downwind Low801.50.7486
Predominantly Downwind Medium594.51.0093
Predominantly Downwind High503.51.1917
Chicago-Mac Upwind0.9316
Chicago-Mac All Purpose0.9573
Chicago-Mac Downwind0.9877
Bayview-Mac Cove Island0.9027
Bayview-Mac Shore0.9101
Harvest Moon Regatta519.61.1547
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy624.50.9607
San Francisco Bay Medium703.00.8535
Predominantly Reaching563.01.0657
Predominantly Reaching Low665.10.9022
Predominantly Reaching Medium558.41.0745
Predominantly Reaching High503.01.1929
Windward/Leeward 60-40 Low928.20.6464
Windward/Leeward 60-40 Medium732.00.8197
Windward/Leeward 60-40 High674.00.8902
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low1006.00.5964
5-Band Low / Medium854.60.7021
5-Band Medium700.40.8567
5-Band Medium / High643.10.9329
5-Band High620.80.9665
ORC Ref  04560002Q7KIssued on 13/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

KNEE DEEP

USA25006

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassJ 34MeasurementHINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.378Max. Beam3.469Draft1.839Displacement3,648Wetted area18.95IMS L8.011LSM07.543Acc. length10.378Sink (kg/mm) 14.22
VCGD0.051VCGM0.051RM Rated (kg·m) 84.4Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.397PBW0.105PIPA0.0042
PSD0.032PHD0.057PHL0.144
PSA22.4°ESL0.672
ST10.030ST20.089ST30.089
ST40.045ST50.177
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P11.607IG13.433ISP13.357MDT10.111MDL10.178MDT20.089MDL20.121TL1.007MW0.121GO0.158
E3.587J3.857BAS1.556FSD0.025SFJ0.000SPL3.855WPLTPSBD0.121MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/06/2023MeasurerComment
SFFP0.686FFMFF1.194LCFcl5.470SG
SAFP9.111FAMFA0.826LCFsh5.734HBI1.007
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04560002Q7KIssued on 13/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org

Club
Certificate
2023

Boat

KNEE DEEP

USA25006

US SAILING
1 ROGER WILLIAMS UNI WAY
BRISTOL, RI 02809
USA
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.200.831.352.353.1125.34
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentJ10.100.641.362.774.246.0013.69NoNo 39.14
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentS213.3113.3113.317.027.1378.1120/07/2017
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateCommentC013.5312.5913.065.026.6775%58.23
ORC Ref  04560002Q7KIssued on 13/07/2023Valid until 19/02/2024
VPP ver: 2023 1.03 | © ORC | www.orc.org