Club
Certificate
2021

Boat

Matilda 4

EST-112

 
Offshore
Racing
Congress

Certificate number: 154/21
Rated boat velocities in knots
Wind Velocity6 kt8 kt10 kt12 kt14 kt16 kt20 kt
Beat Angles43.1°41.6°40.5°39.0°39.0°38.6°38.4°
Beat VMG3.534.294.895.195.315.365.47
52°5.436.477.127.397.507.557.65
60°5.776.787.317.587.727.797.87
75°6.057.017.477.788.038.228.38
90°6.027.147.597.828.158.498.98
110°6.137.267.818.268.608.889.41
120°5.977.157.738.258.799.289.98
135°5.326.617.417.908.439.0010.49
150°4.495.636.657.347.698.059.03
Run VMG3.894.875.766.366.697.248.00
Gybe Angles144.0°147.5°148.5°150.5°152.0°176.0°177.0°

GPH = 596.8

CDL = 9.663

BOAT
ClassJ-112E𝕚DesignerJOHNSTONEBuilderJ-BOATSAge Date07/2019Series Date10/2015Offset FileJ112-EST112.off
HULL
Length Overall11.000 mMaximum Beam3.598 mDraft2.049 mDisplacement5,243 kgDLR5.4499IMS DivisionCruiser/RacerDynamic Allowance0.122%Age Allowance0.195%
PROPELLER
InstallationStrut𝕚TypeFolding 2 blades𝕚Diameter0.380m
CREW
Maximum weight740 kg𝕚Minimum weight555 kg𝕚* when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRated Mainsail39.9340.82Headsail Luffed34.3934.39Headsail FlyingSymmetricAsymmetric120.43𝕚120.43𝕚
* All asymmetric spinnakers with SHW/SFL > 85%
SAIL LIMITATIONS
Headsails5 Spinnakers4 * Asymmetric SHALL NOT be tacked on the pole
STABILITY
Righting Moment131.1 kg·mStability IndexN/A
COMMENTS
RM measured with old rudder
OWNER




The owner certifies that he/she understands his/her responsibilities under ORC Rule and Regulations.
ORC Ref  03880001CC3Issued on 14/06/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org

Club
Certificate
2021

Boat

Matilda 4

EST-112

 
Offshore
Racing
Congress

Certificate number: 154/21
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG1019.9838.3735.9694.2678.4672.1658.4
52°663.0556.1505.8487.0480.1476.8470.9
60°623.8531.1492.2474.8466.4462.0457.2
75°595.4513.9482.1463.0448.1437.7429.6
90°598.0503.9474.2460.3441.7424.2400.8
110°587.5495.7461.2435.6418.7405.6382.6
120°603.0503.2465.7436.6409.4388.0360.6
135°677.0544.9485.5455.8427.3400.1343.2
150°802.1639.8541.0490.7468.4447.0398.5
Run VMG926.2738.8624.7566.2538.4497.2449.9
Selected Courses
Windward / Leeward973.1788.5680.3630.2608.4584.7554.1
All purpose745.5614.0547.2514.9496.5480.8455.6
Single Number Scoring Options
CourseTime On DistanceTime On Time
Windward / Leeward660.50.9084
All purpose532.71.1262
Custom scoring options for Australia
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Custom scoring options for Austria
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Bulgaria
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Predominantly Upwind579.11.0361
Predominantly Downwind538.41.1144
Custom scoring options for Canada
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low679.70.8827
Triple Number All Purpose Medium529.31.1335
Triple Number All Purpose High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Predominantly Upwind579.11.0361
Predominantly Downwind538.41.1144
Predominantly Upwind Low768.10.7812
Predominantly Upwind Medium598.51.0025
Predominantly Upwind High558.21.0749
Predominantly Downwind Low734.90.8164
Predominantly Downwind Medium535.01.1216
Predominantly Downwind High451.51.3290
Chicago-Mac Upwind1.0192
Chicago-Mac All Purpose1.0547
Chicago-Mac Downwind1.0973
Bayview-Mac Cove Island0.9814
Bayview-Mac Shore0.9877
Victoria-Maui1.1667
Custom scoring options for Cyprus
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Denmark
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Spain
Single NumberTime On Distance
Coastal/Long Distance580.9
Triple Number Coastal/Long Distance Low679.7
Triple Number Coastal/Long Distance Medium529.3
Triple Number Coastal/Long Distance High475.3
Triple Number Windward/Leeward Low880.8
Triple Number Windward/Leeward Medium654.7
Triple Number Windward/Leeward High579.2
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Estonia
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Finland
Single NumberTime On DistanceTime On Time
FinRating (Coastal/Long Distance)580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for France
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Custom scoring options for Germany
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8827
Triple Number Coastal/Long Distance Medium1.1335
Triple Number Coastal/Long Distance High1.2624
Triple Number Windward/Leeward Low0.6812
Triple Number Windward/Leeward Medium0.9165
Triple Number Windward/Leeward High1.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Greece
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Israel
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Italy
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Japan
Single NumberTime On DistanceTime On Time
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Korea
Single NumberTime On Distance
Triple Number Coastal/Long Distance Low679.7
Triple Number Coastal/Long Distance Medium529.3
Triple Number Coastal/Long Distance High475.3
Triple Number Windward/Leeward Low880.8
Triple Number Windward/Leeward Medium654.7
Triple Number Windward/Leeward High579.2
Predominantly Upwind579.1
Predominantly Downwind538.4
Predominantly Reaching515.8
Custom scoring options for Lithuania
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Custom scoring options for Netherlands
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8827
Triple Number Coastal/Long Distance Medium1.1335
Triple Number Coastal/Long Distance High1.2624
Triple Number Windward/Leeward Low0.6812
Triple Number Windward/Leeward Medium0.9165
Triple Number Windward/Leeward High1.0360
Coastal/Long Distance1.0329
Predominantly Upwind1.0361
Predominantly Downwind1.1144
Custom scoring options for Norway
Single NumberTime On Time
Distanseseilas (NOR-rating ett tall)1.0329
Tretall Distanseseilas Lite vind0.8827
Tretall Distanseseilas Mellomvind1.1335
Tretall Distanseseilas Mye vind1.2624
Tretall Pølsebane Lite vind0.6812
Tretall Pølsebane Mellomvind0.9165
Tretall Pølsebane Mye vind1.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Distanseseilas968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Portugal
Single NumberTime On DistanceTime On Time
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Custom scoring options for Russia
Single NumberTime On DistanceTime On Time
Predominantly Upwind579.11.0361
Predominantly Downwind538.41.1144
Custom scoring options for South Africa
Single NumberTime On DistanceTime On Time
Cape Doctor Inshore563.31.0652
Cape Doctor Coastal463.21.2954
Custom scoring options for Slovenia
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8827
Triple Number Coastal/Long Distance Medium1.1335
Triple Number Coastal/Long Distance High1.2624
Triple Number Windward/Leeward Low0.6812
Triple Number Windward/Leeward Medium0.9165
Triple Number Windward/Leeward High1.0360
Custom scoring options for Switzerland
Single NumberTime On Time
Triple Number Coastal/Long Distance Low0.8827
Triple Number Coastal/Long Distance Medium1.1335
Triple Number Coastal/Long Distance High1.2624
Triple Number Windward/Leeward Low0.6812
Triple Number Windward/Leeward Medium0.9165
Triple Number Windward/Leeward High1.0360
Custom scoring options for Sweden
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Predominantly Upwind579.11.0361
Predominantly Downwind538.41.1144
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for Ukraine
Single NumberTime On DistanceTime On Time
Coastal/Long Distance580.91.0329
Triple Number Coastal/Long Distance Low679.70.8827
Triple Number Coastal/Long Distance Medium529.31.1335
Triple Number Coastal/Long Distance High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance968.4739.7614.8549.5515.7484.8435.3
Custom scoring options for United States of America
Single NumberTime On DistanceTime On Time
Triple Number All Purpose Low679.70.8827
Triple Number All Purpose Medium529.31.1335
Triple Number All Purpose High475.31.2624
Triple Number Windward/Leeward Low880.80.6812
Triple Number Windward/Leeward Medium654.70.9165
Triple Number Windward/Leeward High579.21.0360
Predominantly Upwind579.11.0361
Predominantly Downwind538.41.1144
Predominantly Upwind Low768.10.7812
Predominantly Upwind Medium598.51.0025
Predominantly Upwind High558.21.0749
Predominantly Downwind Low734.90.8164
Predominantly Downwind Medium535.01.1216
Predominantly Downwind High451.51.3290
Chicago-Mac Upwind1.0192
Chicago-Mac All Purpose1.0547
Chicago-Mac Downwind1.0973
Bayview-Mac Cove Island0.9814
Bayview-Mac Shore0.9877
Harvest Moon Regatta468.81.2799
Victoria-Maui1.1667
ORC Ref  03880001CC3Issued on 14/06/2021Valid until 31/12/2021
VPP ver: 2021 1.00 | © ORC | www.orc.org