Club Certificate2025
LonestarNED 8571
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 Angles44.2°44.2°42.5°41.0°39.8°39.2°38.9°39.2°40.5°
Beat VMG2.383.273.974.474.784.924.984.984.86
52°3.745.045.966.536.836.997.067.097.04
60°4.005.336.216.727.007.167.257.307.29
75°4.165.516.386.867.157.357.507.657.71
90°4.035.406.356.917.187.417.617.948.13
110°4.035.516.587.127.467.737.928.218.40
120°3.905.376.477.087.477.808.108.578.92
135°3.454.856.026.827.297.658.018.779.72
150°2.884.135.266.226.907.327.668.379.24
Run VMG2.493.584.555.406.126.677.087.738.37
Gybe Angles145.9°145.9°150.2°151.9°159.4°166.4°172.7°176.8°175.4°
APH ToD:577.1CDL: 8.630APH ToT: 1.0396CertNo:
BOAT
ClassSpirit 36SDDesignerJ de RidderBuildervan HeygenAge date01/1992Series date01/1985Offset fileH038.BOFData fileNED8571
HULL
Length Overall11.010 mMaximum Beam3.694 mDraft1.753 mDisplacement6,190 kgDLR7.7824IMS DivisionCruiser/RacerDynamic Allowance0.300%Age Allowance0.487%
PROPELLER
InstallationShaft exposedTypeFolding 2 bladesDiameter0.420m
CREW
Maximum weight500 kg(declared)Minimum weight370 kg ✱ when appliedNon Manual PowerNoCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail29.7730.14Headsail Luffed40.3340.33Headsail FlyingSymmetric109.53109.53Asymmetric
STORM SAIL AREAS (m²)
Trysail8.90Storm Jib10.96Heavy Weather Jib29.58
SAIL LIMITS
Headsails5Spinnakers4
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.
Club Certificate2025
LonestarNED 8571
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 VMG1515.51100.7906.8805.0752.5732.0722.4723.3740.7
52°961.6714.4604.4551.3527.0515.3510.3507.9511.6
60°899.8675.7579.4535.8514.5502.8496.6493.0493.7
75°864.6653.0563.9524.5503.7489.8479.9470.3466.7
90°892.5666.5567.3521.1501.6485.8472.9453.6442.6
110°892.6653.2547.1505.3482.5465.9454.8438.7428.6
120°922.1670.1556.3508.4482.2461.7444.4420.0403.5
135°1043.3741.7598.5527.6494.2470.3449.3410.5370.5
150°1251.5871.7684.7578.5521.4492.0469.7430.2389.5
Run VMG1447.31006.6790.5666.8587.8540.0508.5465.5429.9
Selected Courses
Windward / Leeward1480.31053.6848.7735.9670.2636.0615.5594.4585.3
All purpose1122.6812.9668.5595.1555.8534.1519.7502.1491.6
Single Number Scoring Options
CourseTime On
Distance
Time On
Time
Windward / Leeward704.20.8520
All purpose577.11.0396
 
Custom scoring options for Australia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Austria
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Brazil
Scoring OptionTime On
Time
Upwind "bolina"0.7314
Downwind "popa"0.9199
70% up, 30% down "Ilhabela"0.7793
30% up, 70% down "Ilhabela-inverso"0.8539
Custom scoring options for Bulgaria
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Predominantly Upwind627.10.9567
Predominantly Downwind580.21.0342
Custom scoring options for Canada
Scoring OptionTODTOT
Triple Number AP Low740.70.8100
Triple Number AP Medium572.91.0473
Triple Number AP High516.71.1612
Triple Number Windward/Leeward Low992.90.6043
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Single Number Predominant Upwind653.20.9186
Single Number Predominant Reaching576.01.0416
Single Number Predominant Downwind606.00.9900
Predominant Upwind - Low900.10.6666
Predominant Upwind - Low/Med688.30.8717
Predominant Upwind - Medium606.50.9893
Predominant Upwind - Med/High568.41.0556
Predominant Upwind - High556.21.0788
Predominant Downwind Low885.30.6778
Predominant Downwind Low/Med655.00.9160
Predominant Downwind Medium559.21.0729
Predominant Downwind Med/High502.91.1932
Predominant Downwind High471.21.2733
Predominant Reaching Low796.30.7535
Predominant Reaching Low/Med609.70.9840
Predominant Reaching Medium538.01.1153
Predominant Reaching Med/High497.61.2058
Predominant Reaching High474.91.2635
SA/DSPL Upwind20.67SA/DSPL Downwind41.07
Scoring OptionTODTOT
5-Band Windward/Leeward Low1109.30.5409
5-Band Windward/Leeward Low/Med812.80.7382
5-Band Windward/Leeward Medium685.80.8749
5-Band Windward/Leeward Med/High620.00.9678
5-Band Windward/Leeward High596.51.0059
Windward/Leeward 60-40 Low1118.60.5364
Windward/Leeward 60-40 Low/Med825.50.7268
Windward/Leeward 60-40 Medium702.20.8544
Windward/Leeward 60-40 Med/High641.30.9356
Windward/Leeward 60-40 High622.40.9640
5-Band AP Low815.00.7362
5-Band AP Low/Med647.30.9270
5-Band AP Medium565.11.0618
5-Band AP Med/High522.21.1490
5-Band AP High503.31.1921
5-Band SF Bay Tour - Low958.90.6257
5-Band SF Bay Tour - Low/Med779.40.7699
5-Band SF Bay Tour - Medium665.00.9023
5-Band SF Bay Tour - Med/High607.50.9877
5-Band SF Bay Tour - High586.31.0234
Chicago-Mac Upwind0.8905
Chicago-Mac All Purpose0.9246
Chicago-Mac Downwind0.9554
Bayview-Mac Cove Island0.6780
Bayview-Mac Shore0.6821
Harvest Moon Regatta504.01.1904
Custom scoring options for Cyprus
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Denmark
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Spain
Scoring OptionTime On
Distance
Coastal/Long Distance626.7
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Estonia
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Finland
Scoring OptionTime On
Distance
Time On
Time
FinRating626.70.9574
FinRating, kevyt tuuli1088.60.9187
FinRating, kova tuuli506.90.9864
Custom scoring options for France
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Germany
Scoring OptionTime On
Time
Coastal/Long Distance0.9574
Triple Number Coastal/Long Distance Low0.8100
Triple Number Coastal/Long Distance Medium1.0474
Triple Number Coastal/Long Distance High1.1612
Triple Number Windward/Leeward Low0.6308
Triple Number Windward/Leeward Medium0.8591
Triple Number Windward/Leeward High0.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
For information
General Purpose Handicap (GPH)647.5
Custom scoring options for Greece
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Hungary
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Israel
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Japan
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Korea
Scoring OptionTime On
Distance
Triple Number Coastal/Long Distance Low740.7
Triple Number Coastal/Long Distance Medium572.8
Triple Number Coastal/Long Distance High516.7
Triple Number Windward/Leeward Low951.2
Triple Number Windward/Leeward Medium698.4
Triple Number Windward/Leeward High612.7
Predominantly Upwind627.1
Predominantly Downwind580.2
Predominantly Reaching561.1
Custom scoring options for Lithuania
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Netherlands
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8100
Triple Number Coastal/Long Distance Medium1.0474
Triple Number Coastal/Long Distance High1.1612
Triple Number Windward/Leeward Low0.6308
Triple Number Windward/Leeward Medium0.8591
Triple Number Windward/Leeward High0.9793
Coastal/Long Distance0.9574
Predominantly Upwind0.9567
Predominantly Downwind1.0342
For information
General Purpose Handicap (GPH)647.5
Custom scoring options for Norway
Scoring OptionTime On
Time
Distanseseilas Singeltall  (APH)1.0396
Distanseseilas Trippeltall svak vind0.8100
Distanseseilas Trippeltall mellomvind1.0474
Distanseseilas Trippeltall sterk vind1.1612
Pølsebane Trippeltall svak vind0.6308
Pølsebane Trippeltall mellomvind0.8591
Pølsebane Trippeltall sterk vind0.9793
Motvind Singeltall0.9567
Medvind Singeltall1.0342
Custom scoring options for Portugal
Scoring OptionTime On
Distance
Time On
Time
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Coastal/Long Distance626.70.9574
Custom scoring options for Russia
Scoring OptionTime On
Distance
Time On
Time
Predominantly Upwind627.10.9567
Predominantly Downwind580.21.0342
Custom scoring options for South Africa
Scoring OptionTime On
Distance
Time On
Time
Cape Doctor Inshore588.01.0203
Cape Doctor Coastal494.71.2128
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Custom scoring options for Slovenia
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8100
Triple Number Coastal/Long Distance Medium1.0474
Triple Number Coastal/Long Distance High1.1612
Triple Number Windward/Leeward Low0.6308
Triple Number Windward/Leeward Medium0.8591
Triple Number Windward/Leeward High0.9793
Custom scoring options for Switzerland
Scoring OptionTime On
Time
Triple Number Coastal/Long Distance Low0.8100
Triple Number Coastal/Long Distance Medium1.0474
Triple Number Coastal/Long Distance High1.1612
Triple Number Windward/Leeward Low0.6308
Triple Number Windward/Leeward Medium0.8591
Triple Number Windward/Leeward High0.9793
Custom scoring options for Sweden
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Predominantly Upwind627.10.9567
Predominantly Downwind580.21.0342
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for Ukraine
Scoring OptionTime On
Distance
Time On
Time
Coastal/Long Distance626.70.9574
Triple Number Coastal/Long Distance Low740.70.8100
Triple Number Coastal/Long Distance Medium572.81.0474
Triple Number Coastal/Long Distance High516.71.1612
Triple Number Windward/Leeward Low951.20.6308
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1563.01048.9798.3666.5591.8553.8524.9480.9468.8
Custom scoring options for United States of America
Scoring OptionTODTOT
Triple Number AP Low740.70.8100
Triple Number AP Medium572.91.0473
Triple Number AP High516.71.1612
Triple Number Windward/Leeward Low992.90.6043
Triple Number Windward/Leeward Medium698.40.8591
Triple Number Windward/Leeward High612.70.9793
Single Number Predominant Upwind653.20.9186
Single Number Predominant Reaching576.01.0416
Single Number Predominant Downwind606.00.9900
Predominant Upwind - Low900.10.6666
Predominant Upwind - Low/Med688.30.8717
Predominant Upwind - Medium606.50.9893
Predominant Upwind - Med/High568.41.0556
Predominant Upwind - High556.21.0788
Predominant Downwind Low885.30.6778
Predominant Downwind Low/Med655.00.9160
Predominant Downwind Medium559.21.0729
Predominant Downwind Med/High502.91.1932
Predominant Downwind High471.21.2733
Predominant Reaching Low796.30.7535
Predominant Reaching Low/Med609.70.9840
Predominant Reaching Medium538.01.1153
Predominant Reaching Med/High497.61.2058
Predominant Reaching High474.91.2635
SA/DSPL Upwind20.67SA/DSPL Downwind41.07
Scoring OptionTODTOT
5-Band Windward/Leeward Low1109.30.5409
5-Band Windward/Leeward Low/Med812.80.7382
5-Band Windward/Leeward Medium685.80.8749
5-Band Windward/Leeward Med/High620.00.9678
5-Band Windward/Leeward High596.51.0059
Windward/Leeward 60-40 Low1118.60.5364
Windward/Leeward 60-40 Low/Med825.50.7268
Windward/Leeward 60-40 Medium702.20.8544
Windward/Leeward 60-40 Med/High641.30.9356
Windward/Leeward 60-40 High622.40.9640
5-Band AP Low815.00.7362
5-Band AP Low/Med647.30.9270
5-Band AP Medium565.11.0618
5-Band AP Med/High522.21.1490
5-Band AP High503.31.1921
5-Band SF Bay Tour - Low958.90.6257
5-Band SF Bay Tour - Low/Med779.40.7699
5-Band SF Bay Tour - Medium665.00.9023
5-Band SF Bay Tour - Med/High607.50.9877
5-Band SF Bay Tour - High586.31.0234
Chicago-Mac Upwind0.8905
Chicago-Mac All Purpose0.9246
Chicago-Mac Downwind0.9554
Bayview-Mac Cove Island0.6780
Bayview-Mac Shore0.6821
Harvest Moon Regatta504.01.1904
Club Certificate2025
LonestarNED 8571
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassSpirit 36SDMeasurementHINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
LOA11.010Max. Beam3.694Draft1.753Displacement6,190Wetted area26.23IMS L9.385LSM09.265Acc. length11.010Sink (kg/mm) 19.17
VCGD-0.065VCGM0.043RM Rated (kg·m) 135.8Limit of positive stability(°) N/AStability IndexN/ADefault crew weight617Declared crew weight500
PROPELLER
Propeller TypeFolding 2 blades
InstallationShaft exposedTwin screwNoHydro generatorNo
PRD0.420PBW0.000PIPA0.0017
PSD0.000PHD0.000PHL0.000
PSA0.0°ESL0.000
ST10.000ST20.000ST30.000
ST40.000ST50.000
RIG
Forestay tensionAftInner stayFixedMast materialAluminumSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoAdjustable mast footNoRunning backstays0CheckstaysSpreaders2Rotating mastNo
P13.200IG14.800ISP14.850MDT10.110MDL10.210MDT20.000MDL20.000TLNo TaperMW0.000GO0.000
E3.850J4.660BAS1.340FSDFoilSFJ0.000SPL4.794WPLTPSBD0.000MWTMCG
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date01/01/2015
BALLAST
TANKS
INVENTORY
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
Club Certificate2025
LonestarNED 8571
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentORC0.140.781.402.423.2029.7723/07/2015* Copied from legacy *
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentORC0.060.741.432.784.416.0113.80NoNo 40.3323/07/2015* Copied from legacy *
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateCommentORC15.7915.7915.798.398.06109.53* Copied from legacy *
CRUISER/RACER REQUIREMENTS*
Accommodation length11.0 mTable area0.55 m²Headroom1.76 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity125 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity70 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.