Club
Certificate
Double Handed
2023

Boat

Whisper

ISR1534

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
Rated boat velocities in knots
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat Angles43.5°41.8°41.1°40.6°40.6°40.2°40.9°
Beat VMG3.754.384.684.824.884.914.88
52°5.746.556.887.027.087.137.15
60°6.066.817.137.267.327.387.42
75°6.307.017.357.557.667.747.84
90°6.257.017.417.707.938.098.28
110°5.866.927.457.828.068.278.62
120°5.726.827.417.848.258.609.09
135°5.186.367.137.618.058.499.54
150°4.405.546.477.077.447.768.42
Run VMG3.814.805.606.126.456.987.71
Gybe Angles144.2°147.8°149.2°150.1°152.0°173.6°176.3°

APH: 555.3

CDL: 8.842

GPH: 614.4

CertNo: 31534D

BOAT
ClassDehler 35DesignerSimonis VoogdBuilderDehler YBAge date01/2010Series date01/2007Offset fileDE34SV.OFFData fileISR1534
HULL
Length Overall10.500 mMaximum Beam3.466 mDraft2.010 mDisplacement6,099 kgDLR6.6392IMS DivisionCruiser/RacerDynamic Allowance0.160%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.410m
CREW
Maximum weight170 kgMinimum weight120 kg * when appliedNon Manual PowerCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail40.3541.00Headsail Luffed33.6333.63Headsail Flying59.8159.81SymmetricAsymmetric107.97107.97 (All asymmetric spinnakers with SHW/SFL > 85%)
STORM SAIL AREAS (m²)
Trysail12.00Storm Jib10.98Heavy Weather Jib29.64
SAIL LIMITS
Headsails5  Spinnakers4
STABILITY
Righting MomentN/AStability IndexN/A
COMMENTS
changed ISP
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  04390002AUJIssued on 12/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Whisper

ISR1534

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
Time Allowances in secs/NM
Wind Velocity6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Beat VMG960.2822.5769.0746.7737.7733.0738.4
52°627.4549.4523.1513.1508.3504.9503.2
60°593.9528.3505.1496.1491.5488.0485.4
75°571.2513.6489.7477.0469.8465.2459.2
90°576.4513.5485.6467.7454.3445.0434.7
110°614.2520.3483.1460.3446.4435.4417.4
120°629.1528.0485.9459.1436.5418.5396.0
135°695.3566.1505.1473.4447.4423.9377.2
150°818.6649.9556.5509.1483.8464.1427.5
Run VMG945.2750.4642.6587.8557.8515.5466.7
Selected Courses
Windward / Leeward952.7786.4705.8667.2647.8624.3602.6
All purpose733.0618.7566.8540.8525.7512.2495.7
Single Number Scoring Options
CourseTime On
Distance		Time On
Time
Windward / Leeward689.70.8699
All purpose555.31.0805
 
Custom scoring options for Australia
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Custom scoring options for Austria
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7626
Downwind "popa"0.9404
70% up, 30% down "Ilhabela"0.8085
30% up, 70% down "Ilhabela-inverso"0.8789
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Predominantly Upwind600.60.9990
Predominantly Downwind556.41.0783
Custom scoring options for Canada
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low675.80.8878
Triple Number All Purpose Medium552.21.0865
Triple Number All Purpose High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Predominantly Upwind600.60.9990
Predominantly Downwind556.41.0783
Predominantly Upwind Low749.00.8010
Predominantly Upwind Medium627.30.9565
Predominantly Upwind High604.90.9919
Predominantly Downwind Low740.00.8108
Predominantly Downwind Medium553.91.0833
Predominantly Downwind High474.91.2633
Chicago-Mac Upwind0.9823
Chicago-Mac All Purpose1.0199
Chicago-Mac Downwind1.0615
Bayview-Mac Cove Island0.9684
Bayview-Mac Shore0.9734
Victoria-Maui1.1279
Custom scoring options for Cyprus
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Denmark
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance603.3
Triple Number Coastal/Long Distance Low675.8
Triple Number Coastal/Long Distance Medium552.2
Triple Number Coastal/Long Distance High509.4
Triple Number Windward/Leeward Low869.6
Triple Number Windward/Leeward Medium685.2
Triple Number Windward/Leeward High622.0
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Estonia
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Finland
Scoring OptionTime On
Distance		Time On
Time
FinRating (Coastal/Long Distance)603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for France
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Custom scoring options for Germany
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8878
Triple Number Coastal/Long Distance Medium1.0865
Triple Number Coastal/Long Distance High1.1779
Triple Number Windward/Leeward Low0.6900
Triple Number Windward/Leeward Medium0.8757
Triple Number Windward/Leeward High0.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Greece
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Hungary
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Custom scoring options for Israel
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Japan
Scoring OptionTime On
Distance		Time On
Time
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low675.8
Triple Number Coastal/Long Distance Medium552.2
Triple Number Coastal/Long Distance High509.4
Triple Number Windward/Leeward Low869.6
Triple Number Windward/Leeward Medium685.2
Triple Number Windward/Leeward High622.0
Predominantly Upwind600.6
Predominantly Downwind556.4
Predominantly Reaching532.6
Custom scoring options for Lithuania
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8878
Triple Number Coastal/Long Distance Medium1.0865
Triple Number Coastal/Long Distance High1.1779
Triple Number Windward/Leeward Low0.6900
Triple Number Windward/Leeward Medium0.8757
Triple Number Windward/Leeward High0.9646
Coastal/Long Distance0.9946
Predominantly Upwind0.9990
Predominantly Downwind1.0783
Custom scoring options for Norway
Scoring OptionTime On
Time
Tretall Distanseseilas Lite vind0.8878
Tretall Distanseseilas Mellomvind1.0865
Tretall Distanseseilas Mye vind1.1779
Tretall Pølsebane Lite vind0.6900
Tretall Pølsebane Mellomvind0.8757
Tretall Pølsebane Mye vind0.9646
Distanseseilas ett tall (OSN 8-16kn)0.9946
Distanseseilas ett tall (APH 6-20kn)1.0805
Enkeltall Motvind0.9990
Enkeltall Medvind1.0783
Custom scoring options for Portugal
Scoring OptionTime On
Distance		Time On
Time
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Coastal/Long Distance603.30.9946
Custom scoring options for Russia
Scoring OptionTime On
Distance		Time On
Time
Predominantly Upwind600.60.9990
Predominantly Downwind556.41.0783
Custom scoring options for South Africa
Scoring OptionTime On
Distance		Time On
Time
Cape Doctor Inshore609.10.9851
Cape Doctor Coastal500.61.1985
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8878
Triple Number Coastal/Long Distance Medium1.0865
Triple Number Coastal/Long Distance High1.1779
Triple Number Windward/Leeward Low0.6900
Triple Number Windward/Leeward Medium0.8757
Triple Number Windward/Leeward High0.9646
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8878
Triple Number Coastal/Long Distance Medium1.0865
Triple Number Coastal/Long Distance High1.1779
Triple Number Windward/Leeward Low0.6900
Triple Number Windward/Leeward Medium0.8757
Triple Number Windward/Leeward High0.9646
Custom scoring options for Sweden
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Predominantly Upwind600.60.9990
Predominantly Downwind556.41.0783
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for Ukraine
Scoring OptionTime On
Distance		Time On
Time
Coastal/Long Distance603.30.9946
Triple Number Coastal/Long Distance Low675.80.8878
Triple Number Coastal/Long Distance Medium552.21.0865
Triple Number Coastal/Long Distance High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Performance Curve6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt
Coastal/Long Distance951.9740.1637.0578.6545.9515.8470.5
Custom scoring options for United States of America
Scoring OptionTime On
Distance		Time On
Time
Triple Number All Purpose Low675.80.8878
Triple Number All Purpose Medium552.21.0865
Triple Number All Purpose High509.41.1779
Triple Number Windward/Leeward Low869.60.6900
Triple Number Windward/Leeward Medium685.20.8757
Triple Number Windward/Leeward High622.00.9646
Predominantly Upwind600.60.9990
Predominantly Downwind556.41.0783
Predominantly Upwind Low749.00.8010
Predominantly Upwind Medium627.30.9565
Predominantly Upwind High604.90.9919
Predominantly Downwind Low740.00.8108
Predominantly Downwind Medium553.91.0833
Predominantly Downwind High474.91.2633
Chicago-Mac Upwind0.9823
Chicago-Mac All Purpose1.0199
Chicago-Mac Downwind1.0615
Bayview-Mac Cove Island0.9684
Bayview-Mac Shore0.9734
Harvest Moon Regatta481.11.2471
Victoria-Maui1.1279
Scoring OptionTime On
Distance		Time On
Time
San Francisco Bay Heavy604.90.9918
San Francisco Bay Medium671.10.8941
Predominantly Reaching1.1507
Predominantly Reaching Low0.9815
Predominantly Reaching Medium1.1632
Predominantly Reaching High1.2898
Windward/Leeward 60-40 Low873.90.6866
Windward/Leeward 60-40 Medium710.00.8451
Windward/Leeward 60-40 High660.90.9079
5-Band
Windward/Leeward		Time On
Distance		Time On
Time
5-Band Low939.90.6384
5-Band Low / Medium806.50.7440
5-Band Medium676.80.8866
5-Band Medium / High628.30.9549
5-Band High606.30.9896
ORC Ref  04390002AUJIssued on 12/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Whisper

ISR1534

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassDehler 35Measurement18/09/2016HINPlan reviewHull constructionCoredCarbon RudderNoLight stanchionsNoTrim tabNo
LOA10.500Max. Beam3.466Draft2.010Displacement6,099Wetted area26.42IMS L9.685LSM09.720Acc. length10.500Sink (kg/mm) 19.95
VCGD-0.093VCGM-0.031RM Rated (kg·m) 144.5Limit of positive stability(°) N/AStability IndexN/A
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.410PBW0.105PIPA0.0035
EDL1.940ST10.042ST20.180
ST30.180ST40.112ST50.330
RIG
Forestay tensionAftInner stayNone FittedCarbon mastNoHeadsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoRunners/Checkstays0Spreaders2Rotating mastNo
P14.570IG14.815ISP15.225MDT10.111MDL10.212MDT20.105MDL20.145TL1.700MW0.200GO0.200
E4.705J4.350BAS1.590FSD0.030SFJ0.250SPLWPLTPS5.250BD0.170MWT195.00MCG5.519
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date18/01/2019MeasurerISR 1Comment
SFFP0.260FFMFF1.363LCFcl5.985SG1.0290
SAFP10.144FAMFA1.042LCFsh6.217HBI1.215
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG3H2O13008.00-0.202Holding5508.000.601Feul0.900088448.000.00Total deductible408.000.00
OTHER ITEMSIdKindDescriptionWeightLCGVCGMiscellaneous4MiscellaneousMicrowave155.003MiscellaneousDeep Freeze252.000.302MiscellaneousEspresso Machine103.000.601MiscellaneousAir Conditioner308.000.002Battery30Ah Litium Engine108.001Battery300Ah Litium House205.001EngineYanmar 2GM201ToolsTools505.000.001Deck Gear504.352Safety Equipment8 fenders204.35Total deductible1204.620.00
ORC Ref  04390002AUJIssued on 12/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org

Club
Certificate
Double Handed
2023

Boat

Whisper

ISR1534

IYC
IYC , P.O.Box 3299
Ramat Gan
Israel
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.150.951.713.003.9340.3523/12/2016MAIN0.150.981.732.963.8540.0218/10/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment30.062.084.055.957.8015.00NoYes059.8129/08/2018Code 010.130.701.272.373.414.4114.51YesNo 33.6320/09/201920.110.671.222.273.344.3814.55YesNo 32.9028/12/2016
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment015.9314.1315.038.608.7099%107.9728/12/2021115.6514.1514.908.578.7099%106.7315/09/2016
ORC Ref  04390002AUJIssued on 12/01/2023Valid until 28/02/2024
VPP ver: 2023 1.00 | © ORC | www.orc.org