Double HandedClub Certificate2026
THE FOXNED 3970
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 Angles46.3°43.3°41.3°40.6°40.0°39.7°39.6°39.9°41.2°
Beat VMG2.393.404.124.604.874.995.065.084.96
52°3.765.186.146.767.087.247.317.387.31
60°4.055.466.417.007.317.487.557.647.62
75°4.285.676.617.197.527.737.878.028.08
90°4.165.576.567.177.567.828.038.368.58
110°4.085.676.807.457.828.058.238.468.78
120°3.965.536.687.407.858.208.528.949.19
135°3.485.016.207.087.658.068.489.3410.18
150°2.914.275.436.427.187.698.098.969.88
Run VMG2.523.694.715.586.326.937.428.188.98
Gybe Angles140.6°145.3°149.6°152.5°157.9°163.7°169.6°174.5°173.6°
APH ToD:556.9CDL: 9.165APH ToT: 1.0774CertNo:13267
BOAT
ClassX-412DesignerN. JeppesenBuilderX-YachtsAge date01/1991Series date01/1990Offset filened3970.offData fileNED3970
HULL
Length Overall12.476 mMaximum Beam3.896 mDraft2.120 mDisplacement7,767 kgDLR8.2574IMS DivisionCruiser/RacerDynamic Allowance0.280%Age Allowance0.650%RS Assessment-0.305%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.440m
CREW
Maximum weight170 kg(default)Minimum weight120 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail39.0339.61Headsail Luffed39.5039.50Headsail FlyingSymmetric117.66117.66Asymmetric
STORM SAIL AREAS Maximum (m²)
Trysail11.79Storm Jib13.65Heavy Weather Jib36.85
SAIL LIMITS
Headsails5
✱ One set on the forestay
Spinnakers4
STABILITY
Righting Moment 167.0 kg·m Stability Index 120.6
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  04310004JN6 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
THE FOXNED 3970
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
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 VMG1505.81059.2873.6783.0738.7720.8711.8708.5725.3
52°957.4695.3586.6532.8508.2497.4492.5487.7492.3
60°888.5659.5561.7514.3492.3481.2476.5471.3472.4
75°842.0635.3544.5500.8478.6466.0457.5448.9445.5
90°865.4646.2549.0502.0476.2460.2448.2430.4419.5
110°882.4635.3529.2483.1460.1447.4437.5425.4409.9
120°908.5650.6539.0486.3458.9438.9422.4402.5391.8
135°1033.2718.5580.4508.5470.8446.5424.7385.4353.8
150°1239.0844.1662.6560.4501.6468.1444.8402.0364.6
Run VMG1430.7974.6765.1645.4569.6519.7485.4440.1401.0
Selected Courses
Windward / Leeward1468.31016.9819.4714.2654.2620.2598.6574.3563.1
All purpose1110.5786.8646.2574.7536.2514.9500.6482.0472.0
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward684.50.8766
All purpose556.91.0774
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.7506
Downwind "popa"0.9546
70% up, 30% down "Ilhabela"0.8020
30% up, 70% down "Ilhabela-inverso"0.8826
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Predominantly Upwind607.30.9880
Predominantly Downwind558.61.0740
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP579.51.0353 Predom. Rc High452.61.3256 5B SF Bay L/M751.90.7980 TriNum AP Low716.50.8374 Predom. Dn Low863.10.6952 5B SF Bay Med646.50.9280 TriNum AP Med553.01.0851 Predom. Dn L/M633.40.9473 5B SF Bay M/H590.11.0169 TriNum AP High497.21.2067 Predom. Dn Med538.31.1145 5B SF Bay High566.81.0586 TriNum W/L Low962.60.6233 Predom. Dn M/H480.71.2483 5B AP Low794.50.7551 TriNum W/L Med679.50.8830 Predom. Dn High448.21.3387 5B AP L/M625.50.9593 TriNum W/L Hig594.91.0086 ChiMac Up Low769.10.7801 5B AP Med545.21.1004 Predom. Upwind633.60.9470 ChiMac Up Med693.10.8657 5B AP M/H502.91.1931 Predom. Reaching554.81.0815 ChiMac Up High606.10.9900 5B AP High483.51.2410 Predom. Downwind584.71.0262 ChiMac Off Low739.60.8113 5B W/L Low1080.40.5554 Predom. Up Low877.60.6837 ChiMac Off Med651.50.9210 5B W/L L/M787.00.7624 Predom. Up L/M666.10.9008 ChiMac Off High548.01.0948 5B W/L Med667.60.8987 Predom. Up Med587.51.0213 ChiMac AP Low751.20.7988 5B W/L M/H602.80.9953 Predom. Up M/H550.21.0905 ChiMac AP Med670.10.8954 5B W/L High576.61.0406 Predom. Up High536.81.1178 ChiMac AP High575.71.0421 W/L 60-40 Low1089.20.5509 Predom. Rc Low775.60.7736 BayMac Cove Island864.30.6942 W/L 60-40 L/M799.40.7505 Predom. Rc L/M589.11.0184 BayMac Shore857.80.6994 W/L 60-40 Med684.50.8765 Predom. Rc Med516.51.1616 Harvest Moon486.91.2322 W/L 60-40 M/H625.30.9596 Predom. Rc M/H475.41.2622 5B SF Bay Low912.50.6575 W/L 60-40 High603.60.9940      SA/DSPL Up19.89SA/DSPL Dn39.68
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance605.2
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating605.20.9914
FinRating, kevyt tuuli1064.00.9399
FinRating, kova tuuli486.51.0277
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.9914
Triple Number Coastal/Long Distance Low0.8374
Triple Number Coastal/Long Distance Medium1.0852
Triple Number Coastal/Long Distance High1.2067
Triple Number Windward/Leeward Low0.6535
Triple Number Windward/Leeward Medium0.8830
Triple Number Windward/Leeward High1.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
For information
General Purpose Handicap (GPH)625.2
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Saronikos S All Purpose638.50.9397
Saronikos S Upwind726.20.8263
Saronikos S Downwind531.31.1292
Saronikos N All Purpose671.40.8937
Saronikos N Upwind759.60.7899
Saronikos N Downwind581.11.0325
Saronikos SW All Purpose644.60.9308
Saronikos SW Upwind746.10.8042
Saronikos SW Downwind541.91.1072
Saronikos NE All Purpose695.10.8632
Saronikos NE Upwind711.40.8435
Saronikos NE Downwind656.40.9140
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose579.51.0353
5-Band All Purpose Low866.70.6923
5-Band All Purpose L/M648.20.9256
5-Band All Purpose Med562.11.0673
5-Band All Purpose M/H514.91.1652
5-Band All Purpose High492.21.2191
Single Number Predominant Upwind606.10.9900
Single Number Predominant Reaching532.81.1261
Single Number Predominant Downwind559.31.0728
5-Band 50-50 Windward/Leeward Low1080.40.5554
5-Band 50-50 Windward/Leeward L/M787.00.7624
5-Band 50-50 Windward/Leeward Med667.60.8987
5-Band 50-50 Windward/Leeward M/H602.80.9953
5-Band 50-50 Windward/Leeward High576.61.0406
5-Band 60-40 Windward/Leeward Low1089.20.5509
5-Band 60-40 Windward/Leeward L/M799.40.7505
5-Band 60-40 Windward/Leeward Med684.50.8765
5-Band 60-40 Windward/Leeward M/H625.30.9596
5-Band 60-40 Windward/Leeward High603.60.9940
Triple Number 50-50 Windward/Leeward Low962.60.6233
Triple Number 50-50 Windward/Leeward Med679.60.8829
Triple Number 50-50 Windward/Leeward High594.91.0086
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward701.50.8554
Triple Number 60-40 Windward/Leeward Low972.40.6171
Triple Number 60-40 Windward/Leeward Med695.70.8624
Triple Number 60-40 Windward/Leeward High618.50.9701
Triple Number All-Purpose Low778.60.7707
Triple Number All-Purpose Med570.61.0516
Triple Number All-Purpose High508.31.1803
Triple Number Predominant Upwind Low797.90.7520
Triple Number Predominant Upwind Med597.41.0043
Triple Number Predominant Upwind High552.41.0863
Triple Number Predominant Reaching Low704.50.8516
Triple Number Predominant Reaching Med532.61.1266
Triple Number Predominant Reaching High460.31.3036
Triple Number Predominant Downwind Low770.40.7788
Triple Number Predominant Downwind Med547.71.0955
Triple Number Predominant Downwind High460.91.3018
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low716.5
Triple Number Coastal/Long Distance Medium552.9
Triple Number Coastal/Long Distance High497.2
Triple Number Windward/Leeward Low918.1
Triple Number Windward/Leeward Medium679.5
Triple Number Windward/Leeward High594.9
Predominantly Upwind607.3
Predominantly Downwind558.6
Predominantly Reaching539.3
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8374
Triple Number Coastal/Long Distance Medium1.0852
Triple Number Coastal/Long Distance High1.2067
Triple Number Windward/Leeward Low0.6535
Triple Number Windward/Leeward Medium0.8830
Triple Number Windward/Leeward High1.0086
Coastal/Long Distance0.9914
Predominantly Upwind0.9880
Predominantly Downwind1.0740
For information
General Purpose Handicap (GPH)625.2
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.0774
Distanseseilas Trippeltall svak vind0.8374
Distanseseilas Trippeltall mellomvind1.0852
Distanseseilas Trippeltall sterk vind1.2067
Pølsebane Trippeltall svak vind0.6535
Pølsebane Trippeltall mellomvind0.8830
Pølsebane Trippeltall sterk vind1.0086
Motvind Singeltall0.9880
Medvind Singeltall1.0740
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Coastal/Long Distance605.20.9914
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind607.30.9880
Predominantly Downwind558.61.0740
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore566.51.0592
Cape Doctor Coastal475.01.2632
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8374
Triple Number Coastal/Long Distance Medium1.0852
Triple Number Coastal/Long Distance High1.2067
Triple Number Windward/Leeward Low0.6535
Triple Number Windward/Leeward Medium0.8830
Triple Number Windward/Leeward High1.0086
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.8374
Triple Number Coastal/Long Distance Medium1.0852
Triple Number Coastal/Long Distance High1.2067
Triple Number Windward/Leeward Low0.6535
Triple Number Windward/Leeward Medium0.8830
Triple Number Windward/Leeward High1.0086
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Predominantly Upwind607.30.9880
Predominantly Downwind558.61.0740
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance605.20.9914
Triple Number Coastal/Long Distance Low716.50.8374
Triple Number Coastal/Long Distance Medium552.91.0852
Triple Number Coastal/Long Distance High497.21.2067
Triple Number Windward/Leeward Low918.10.6535
Triple Number Windward/Leeward Medium679.50.8830
Triple Number Windward/Leeward High594.91.0086
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1464.51012.7771.1645.3572.6533.9504.6459.6449.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP579.51.0353 Predom. Dn High448.21.3387 5B AP M/H502.91.1931 TriNum AP Low716.50.8374 Predom. Rc Low775.60.7736 5B AP High483.51.2410 TriNum AP Med553.01.0851 Predom. Rc L/M589.11.0184 5B SF Bay Low912.50.6575 TriNum AP High497.21.2067 Predom. Rc Med516.51.1616 5B SF Bay L/M751.90.7980 TriNum W/L Low962.60.6233 Predom. Rc M/H475.41.2622 5B SF Bay Med646.50.9280 TriNum W/L Med679.50.8830 Predom. Rc High452.61.3256 5B SF Bay M/H590.11.0169 TriNum W/L Hig594.91.0086 5B W/L Low1080.40.5554 5B SF Bay High566.81.0586 Predom. Upwind633.60.9470 5B W/L L/M787.00.7624 ChiMac Up Low769.10.7801 Predom. Reaching554.81.0815 5B W/L Med667.60.8987 ChiMac Up Med693.10.8657 Predom. Downwind584.71.0262 5B W/L M/H602.80.9953 ChiMac Up High606.10.9900 Predom. Up Low877.60.6837 5B W/L High576.61.0406 ChiMac Off Low739.60.8113 Predom. Up L/M666.10.9008 W/L 60-40 Low1089.20.5509 ChiMac Off Med651.50.9210 Predom. Up Med587.51.0213 W/L 60-40 L/M799.40.7505 ChiMac Off High548.01.0948 Predom. Up M/H550.21.0905 W/L 60-40 Med684.50.8765 ChiMac AP Low751.20.7988 Predom. Up High536.81.1178 W/L 60-40 M/H625.30.9596 ChiMac AP Med670.10.8954 Predom. Dn Low863.10.6952 W/L 60-40 High603.60.9940 ChiMac AP High575.71.0421 Predom. Dn L/M633.40.9473 5B AP Low794.50.7551 BayMac Cove Island864.30.6942 Predom. Dn Med538.31.1145 5B AP L/M625.50.9593 BayMac Shore857.80.6994 Predom. Dn M/H480.71.2483 5B AP Med545.21.1004 Harvest Moon486.91.2322      SA/DSPL Up19.89SA/DSPL Dn39.68
ORC Ref  04310004JN6 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
THE FOXNED 3970
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassX-412Measurement04/04/1996HINPlan reviewHull constructionCoredCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall12.476Maximum beam3.896Draft2.120Displacement7,767Wetted area30.19IMS L10.159LSM09.797Accomod. length12.476Sink (kg/mm) 21.51
VCGD-0.099VCGM0.039 RM Rated (kg·m) 167.0Limit of positive stability(°) 118.1 Stability Index 120.6 BLR index 0.0000Default crew weight170 Declared crew weight 710
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.440PBW0.121PIPA0.0038
EDL2.800ST10.070ST20.180
ST30.180ST40.112ST50.285
RIG
BackstayAdjustableForestayFixedInner forestayAdjustableMast materialAluminumSingle headsail furlerYesMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysYesCheckstaysNoSpreaders3Rotating mastNo
P14.390IG16.483ISP16.443MDT10.117MDL10.213MDT20.117MDL20.178TL1.500MW0.213GO0.224
E4.680J4.900BAS1.838FSD0.023SFJ0.000SPL5.080WPLTPSBD0.189MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodRM entered directlyRM entered169.5Flotation Date04/04/1996
SFFP0.432FFM1.290FF1.304LCFcl6.653SG1.0100
SAFP10.980FAM1.043FA1.053LCFsh6.928HBI1.180
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  04310004JN6 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
Double HandedClub Certificate2026
THE FOXNED 3970
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateComment20.150.941.672.903.8539.0302/02/2018
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentj10.080.751.382.543.654.6915.95YesNo 39.5025/02/202010.080.641.232.393.554.6815.95YesNo 37.9802/02/2018
SYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLAreaMeas.DateComment116.1416.1416.148.808.54117.66
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length12.5 mTable area0.55 m²Headroom1.83 mMinimum number of berths5Personal gear stowage0.20 m³Fresh water capacity162 lMinimum number of seats in cockpit5Food stowage0.30 m³Fuel capacity100 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04310004JN6 Issued on 01/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org