Non Spin/HSFClub Certificate2025
Gulden RamNED 3600
Rated boat velocities in knots
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat Angles43.4°43.4°40.8°40.1°39.8°39.7°39.4°39.6°40.5°
Beat VMG2.323.183.834.254.504.624.704.734.66
52°3.624.835.676.206.496.646.726.786.78
60°3.835.085.916.416.676.836.927.007.02
75°3.985.266.096.576.847.037.167.327.40
90°3.895.186.056.576.887.107.287.567.74
110°3.434.715.706.416.827.097.337.768.13
120°3.204.445.446.226.707.007.257.718.15
135°2.703.874.905.736.376.777.057.538.00
150°2.233.314.315.165.886.446.817.317.77
Run VMG1.932.863.754.565.295.946.457.087.54
Gybe Angles149.2°149.2°154.6°173.9°175.7°176.6°178.1°178.9°178.9°
APH ToD:631.7CDL: 7.946APH ToT: 0.9498CertNo:
BOAT
ClassIMPALA 36DesignerJensenBuilderHOLLAND WERFAge date01/1992Series date01/1992Offset filei0014.bofData fileNED3600
HULL
Length Overall10.868 mMaximum Beam3.248 mDraft1.948 mDisplacement6,641 kgDLR9.3602IMS DivisionCruiser/RacerDynamic Allowance0.570%Age Allowance0.487%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.400m
CREW
Maximum weight350 kg(declared)Minimum weight220 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail36.0636.84Headsail Luffed27.2127.21Headsail FlyingSymmetricAsymmetric
STORM SAIL AREAS (m²)
Trysail10.38Storm Jib7.63Heavy Weather Jib20.60
SAIL LIMITS
Headsails1
✱ One set on the forestay
✱ Zero set flying
Spinnakers0
✱ Spinnaker pole aboard
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.
Non Spin/HSFClub Certificate2025
Gulden RamNED 3600
Time Allowances in secs/NM
Wind Velocity 4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Beat VMG1551.21132.2940.2847.1800.7778.8766.6761.1771.8
52°994.2744.7635.2580.6555.1542.0535.8530.6530.9
60°939.3708.3609.3562.0539.6527.1520.3514.2512.9
75°905.5684.4590.8547.9526.0512.4502.7491.8486.7
90°926.4695.2595.1547.6523.4507.4494.7476.2465.0
110°1050.7765.1631.8562.0528.2507.7491.4463.9442.9
120°1126.0811.7661.6578.8537.4514.0496.5467.0441.7
135°1331.9929.2734.1628.7565.5531.5510.4478.1450.2
150°1610.81089.1834.5697.9612.5559.2528.8492.4463.3
Run VMG1861.71257.6959.3790.1681.1606.5557.9508.7477.3
Selected Courses
Windward / Leeward1702.61194.9949.7818.6740.9692.7662.3634.9624.5
All purpose1271.1912.7743.4655.5606.8578.1560.0539.4528.1
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward777.20.7720
All purpose631.70.9498
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.6969
Downwind "popa"0.7834
70% up, 30% down "Ilhabela"0.7208
30% up, 70% down "Ilhabela-inverso"0.7553
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Predominantly Upwind673.50.8909
Predominantly Downwind654.30.9170
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low828.10.7246
Triple Number AP Medium627.30.9565
Triple Number AP High556.81.0776
Triple Number Windward/Leeward Low1122.60.5345
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Single Number Predominant Upwind700.30.8568
Single Number Predominant Reaching631.30.9504
Single Number Predominant Downwind688.70.8713
Predominant Upwind - Low969.40.6189
Predominant Upwind - Low/Med740.40.8104
Predominant Upwind - Medium650.50.9224
Predominant Upwind - Med/High605.70.9906
Predominant Upwind - High590.41.0163
Predominant Downwind Low1050.60.5711
Predominant Downwind Low/Med755.90.7938
Predominant Downwind Medium627.20.9566
Predominant Downwind Med/High551.51.0880
Predominant Downwind High517.81.1588
Predominant Reaching Low893.50.6715
Predominant Reaching Low/Med674.60.8894
Predominant Reaching Medium585.41.0250
Predominant Reaching Med/High536.11.1192
Predominant Reaching High513.31.1690
SA/DSPL Upwind17.80SA/DSPL Downwind17.80
Scoring OptionTODTOT
5-Band Windward/Leeward Low1261.50.4756
5-Band Windward/Leeward Low/Med908.80.6602
5-Band Windward/Leeward Medium756.60.7930
5-Band Windward/Leeward Med/High669.40.8963
5-Band Windward/Leeward High637.80.9407
Windward/Leeward 60-40 Low1247.00.4812
Windward/Leeward 60-40 Low/Med910.00.6593
Windward/Leeward 60-40 Medium768.00.7813
Windward/Leeward 60-40 Med/High689.70.8700
Windward/Leeward 60-40 High663.00.9049
5-Band AP Low928.20.6464
5-Band AP Low/Med717.20.8366
5-Band AP Medium617.50.9716
5-Band AP Med/High563.51.0648
5-Band AP High541.01.1090
5-Band SF Bay Tour - Low1077.70.5567
5-Band SF Bay Tour - Low/Med867.80.6914
5-Band SF Bay Tour - Medium732.00.8197
5-Band SF Bay Tour - Med/High657.60.9124
5-Band SF Bay Tour - High630.70.9513
Chicago-Mac Upwind0.8297
Chicago-Mac All Purpose0.8377
Chicago-Mac Downwind0.8364
Bayview-Mac Cove Island0.6018
Bayview-Mac Shore0.6088
Harvest Moon Regatta548.71.0935
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance689.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating (Coastal/Long Distance)689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.8705
Triple Number Coastal/Long Distance Low0.7246
Triple Number Coastal/Long Distance Medium0.9566
Triple Number Coastal/Long Distance High1.0776
Triple Number Windward/Leeward Low0.5595
Triple Number Windward/Leeward Medium0.7770
Triple Number Windward/Leeward High0.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
For information
General Purpose Handicap (GPH)712.4
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low828.0
Triple Number Coastal/Long Distance Medium627.2
Triple Number Coastal/Long Distance High556.8
Triple Number Windward/Leeward Low1072.4
Triple Number Windward/Leeward Medium772.2
Triple Number Windward/Leeward High659.6
Predominantly Upwind673.5
Predominantly Downwind654.3
Predominantly Reaching620.7
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7246
Triple Number Coastal/Long Distance Medium0.9566
Triple Number Coastal/Long Distance High1.0776
Triple Number Windward/Leeward Low0.5595
Triple Number Windward/Leeward Medium0.7770
Triple Number Windward/Leeward High0.9097
Coastal/Long Distance0.8705
Predominantly Upwind0.8909
Predominantly Downwind0.9170
For information
General Purpose Handicap (GPH)712.4
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)0.9498
Distanseseilas Trippeltall svak vind0.7246
Distanseseilas Trippeltall mellomvind0.9566
Distanseseilas Trippeltall sterk vind1.0776
Pølsebane Trippeltall svak vind0.5595
Pølsebane Trippeltall mellomvind0.7770
Pølsebane Trippeltall sterk vind0.9097
Motvind Singeltall0.8909
Medvind Singeltall0.9170
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Coastal/Long Distance689.30.8705
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind673.50.8909
Predominantly Downwind654.30.9170
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore627.60.9560
Cape Doctor Coastal531.51.1289
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7246
Triple Number Coastal/Long Distance Medium0.9566
Triple Number Coastal/Long Distance High1.0776
Triple Number Windward/Leeward Low0.5595
Triple Number Windward/Leeward Medium0.7770
Triple Number Windward/Leeward High0.9097
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.7246
Triple Number Coastal/Long Distance Medium0.9566
Triple Number Coastal/Long Distance High1.0776
Triple Number Windward/Leeward Low0.5595
Triple Number Windward/Leeward Medium0.7770
Triple Number Windward/Leeward High0.9097
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Predominantly Upwind673.50.8909
Predominantly Downwind654.30.9170
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance689.30.8705
Triple Number Coastal/Long Distance Low828.00.7246
Triple Number Coastal/Long Distance Medium627.20.9566
Triple Number Coastal/Long Distance High556.81.0776
Triple Number Windward/Leeward Low1072.40.5595
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1835.81201.2894.8738.7648.1600.0566.0516.8502.9
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low828.10.7246
Triple Number AP Medium627.30.9565
Triple Number AP High556.81.0776
Triple Number Windward/Leeward Low1122.60.5345
Triple Number Windward/Leeward Medium772.20.7770
Triple Number Windward/Leeward High659.60.9097
Single Number Predominant Upwind700.30.8568
Single Number Predominant Reaching631.30.9504
Single Number Predominant Downwind688.70.8713
Predominant Upwind - Low969.40.6189
Predominant Upwind - Low/Med740.40.8104
Predominant Upwind - Medium650.50.9224
Predominant Upwind - Med/High605.70.9906
Predominant Upwind - High590.41.0163
Predominant Downwind Low1050.60.5711
Predominant Downwind Low/Med755.90.7938
Predominant Downwind Medium627.20.9566
Predominant Downwind Med/High551.51.0880
Predominant Downwind High517.81.1588
Predominant Reaching Low893.50.6715
Predominant Reaching Low/Med674.60.8894
Predominant Reaching Medium585.41.0250
Predominant Reaching Med/High536.11.1192
Predominant Reaching High513.31.1690
SA/DSPL Upwind17.80SA/DSPL Downwind17.80
Scoring OptionTODTOT
5-Band Windward/Leeward Low1261.50.4756
5-Band Windward/Leeward Low/Med908.80.6602
5-Band Windward/Leeward Medium756.60.7930
5-Band Windward/Leeward Med/High669.40.8963
5-Band Windward/Leeward High637.80.9407
Windward/Leeward 60-40 Low1247.00.4812
Windward/Leeward 60-40 Low/Med910.00.6593
Windward/Leeward 60-40 Medium768.00.7813
Windward/Leeward 60-40 Med/High689.70.8700
Windward/Leeward 60-40 High663.00.9049
5-Band AP Low928.20.6464
5-Band AP Low/Med717.20.8366
5-Band AP Medium617.50.9716
5-Band AP Med/High563.51.0648
5-Band AP High541.01.1090
5-Band SF Bay Tour - Low1077.70.5567
5-Band SF Bay Tour - Low/Med867.80.6914
5-Band SF Bay Tour - Medium732.00.8197
5-Band SF Bay Tour - Med/High657.60.9124
5-Band SF Bay Tour - High630.70.9513
Chicago-Mac Upwind0.8297
Chicago-Mac All Purpose0.8377
Chicago-Mac Downwind0.8364
Bayview-Mac Cove Island0.6018
Bayview-Mac Shore0.6088
Harvest Moon Regatta548.71.0935
Non Spin/HSFClub Certificate2025
Gulden RamNED 3600
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassIMPALA 36Measurement08/02/2024HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
LOA10.868Max. Beam3.248Draft1.948Displacement6,641Wetted area24.99IMS L8.935LSM08.918Acc. length10.556Sink (kg/mm) 17.09
VCGD-0.038VCGM-0.029RM Rated (kg·m) 104.9Limit of positive stability(°) N/AStability IndexN/ADefault crew weight585Declared crew weight350
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.400PBWPIPA0.0006
EDLST1ST2
ST3ST4ST5
RIG
Forestay tensionAftInner stayNone FittedMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays1CheckstaysSpreaders2Rotating mastNo
P13.150IG12.350ISP12.450MDT10.250MDL10.150MDT2MDL2TLTaperMWGO
E4.510J3.900BAS1.250FSDSFJSPL3.980WPLTPS3.950BDMWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date08/02/2024
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Non Spin/HSFClub Certificate2025
Gulden RamNED 3600
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment10.171.001.802.963.8636.06
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateComment10.060.571.062.153.394.7112.05NoNo 27.21
CRUISER/RACER REQUIREMENTS*
Accommodation length10.6 mTable area0.44 m²Headroom1.74 mMinimum number of berths4Personal gear stowage0.16 m³Fresh water capacity92 lMinimum number of seats in cockpit4Food stowage0.24 m³Fuel capacity62 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.