International Certificate2026
Caveman IVNED 9550
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 Angles45.5°43.0°40.8°39.2°38.2°37.7°37.2°37.4°38.2°
Beat VMG3.054.345.305.886.176.356.476.626.59
52°4.776.617.878.538.818.989.109.259.29
60°5.156.978.198.819.099.269.389.569.63
75°5.447.248.409.039.409.659.8410.1210.28
90°5.397.348.569.139.449.8510.1910.6911.03
110°5.217.178.569.309.8110.3210.7511.4411.79
120°4.937.008.499.329.9710.4510.9612.1913.21
135°4.406.317.928.929.6010.3111.0912.8814.24
150°3.635.276.657.888.829.4410.0611.5613.98
Run VMG3.154.575.766.827.668.228.7210.0112.11
Gybe Angles138.8°141.3°141.8°146.5°152.3°153.4°151.4°146.5°145.2°
APH ToD:442.9CDL: 13.822APH ToT: 1.3547CertNo:
BOAT
ClassKNIERIM 50DesignerJUDEL/VROLIJKBuilderKNIERIM YACHTBAUAge date11/2011Series date06/2010Offset fileGER6550.OFFData fileNED9550
HULL
Length Overall15.365 mMaximum Beam4.376 mDraft3.189 mDisplacement13,273 kgDLR4.3307IMS DivisionCruiser/RacerDynamic Allowance0.090%Age Allowance0.520%RS Assessment-0.559%
PROPELLER
InstallationStrutTypeFolding 3 bladesDiameter0.508m
CREW
Maximum weight700 kg(declared)Minimum weight570 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail88.2789.68Headsail Luffed68.5768.57Headsail FlyingSymmetricAsymmetric271.74271.74 (1 asymmetric(s) with SHW/SFL < 85%)
STORM SAIL AREAS Maximum (m²)
Trysail26.66Storm Jib24.03Heavy Weather Jib64.86
SAIL LIMITS
Headsails8Spinnakers6
STABILITY
Righting Moment 486.9 kg·m Stability Index 143.3
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  04310004K9K Issued on 04/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
Caveman IVNED 9550
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 VMG1181.8829.0678.9612.4583.8567.2556.2543.6546.6
52°753.9544.6457.5422.1408.5400.8395.7389.3387.7
60°699.5516.2439.5408.5395.8388.8383.7376.7373.9
75°661.8497.4428.5398.7383.0372.9366.0355.6350.3
90°667.4490.6420.3394.2381.4365.5353.2336.8326.2
110°690.4501.9420.7387.2366.9348.8334.9314.7305.3
120°730.9514.1424.0386.2361.2344.5328.4295.3272.5
135°819.0570.3454.8403.8375.0349.1324.6279.6252.7
150°991.0682.5541.2456.9408.4381.3357.9311.3257.4
Run VMG1144.3788.1624.9527.6469.9437.8412.7359.5297.3
Selected Courses
Windward / Leeward1163.0808.5651.9570.0526.9502.5484.5451.5421.9
All purpose877.1620.7509.6456.9429.6411.4397.2373.0355.2
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward549.21.0925
All purpose442.91.3547
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.9609
Downwind "popa"1.1600
70% up, 30% down "Ilhabela"1.0130
30% up, 70% down "Ilhabela-inverso"1.0921
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Predominantly Upwind480.41.2488
Predominantly Downwind447.01.3421
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP459.91.3046 Predom. Rc High350.11.7138 5B SF Bay L/M597.01.0050 TriNum AP Low565.21.0616 Predom. Dn Low684.10.8771 5B SF Bay Med516.61.1613 TriNum AP Med440.91.3609 Predom. Dn L/M504.71.1889 5B SF Bay M/H469.41.2782 TriNum AP High391.71.5319 Predom. Dn Med432.71.3865 5B SF Bay High439.11.3663 TriNum W/L Low765.30.7840 Predom. Dn M/H384.21.5616 5B AP Low627.50.9562 TriNum W/L Med545.61.0998 Predom. Dn High348.01.7243 5B AP L/M495.61.2107 TriNum W/L Hig476.61.2589 ChiMac Up Low604.60.9924 5B AP Med435.01.3792 Predom. Upwind500.21.1994 ChiMac Up Med546.11.0986 5B AP M/H398.21.5066 Predom. Reaching437.71.3708 ChiMac Up High477.31.2571 5B AP High374.11.6039 Predom. Downwind466.31.2867 ChiMac Off Low588.61.0194 5B W/L Low858.00.6993 Predom. Up Low687.90.8722 ChiMac Off Med519.71.1544 5B W/L L/M627.60.9560 Predom. Up L/M523.81.1454 ChiMac Off High436.71.3740 5B W/L Med536.81.1177 Predom. Up Med466.81.2853 ChiMac AP Low593.61.0108 5B W/L M/H485.51.2358 Predom. Up M/H435.51.3777 ChiMac AP Med530.91.1301 5B W/L High452.11.3271 Predom. Up High417.91.4359 ChiMac AP High455.91.3162 W/L 60-40 Low862.30.6958 Predom. Rc Low606.40.9895 BayMac Cove Island684.20.8769 W/L 60-40 L/M634.80.9452 Predom. Rc L/M463.31.2951 BayMac Shore678.60.8842 W/L 60-40 Med547.71.0954 Predom. Rc Med410.91.4600 Harvest Moon386.51.5525 W/L 60-40 M/H500.11.1999 Predom. Rc M/H375.01.5998 5B SF Bay Low722.20.8308 W/L 60-40 High471.01.2740      SA/DSPL Up27.74SA/DSPL Dn63.67
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance482.9
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating482.91.2425
FinRating, kevyt tuuli843.91.1850
FinRating, kova tuuli375.01.3334
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance1.2425
Triple Number Coastal/Long Distance Low1.0616
Triple Number Coastal/Long Distance Medium1.3611
Triple Number Coastal/Long Distance High1.5319
Triple Number Windward/Leeward Low0.8217
Triple Number Windward/Leeward Medium1.0998
Triple Number Windward/Leeward High1.2589
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
For information
General Purpose Handicap (GPH)496.4
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Saronikos S All Purpose504.31.1897
Saronikos S Upwind569.31.0540
Saronikos S Downwind424.61.4131
Saronikos N All Purpose528.61.1352
Saronikos N Upwind592.91.0120
Saronikos N Downwind464.51.2918
Saronikos SW All Purpose505.31.1875
Saronikos SW Upwind583.61.0281
Saronikos SW Downwind427.81.4024
Saronikos NE All Purpose547.11.0966
Saronikos NE Upwind555.91.0794
Saronikos NE Downwind521.31.1511
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose459.91.3046
5-Band All Purpose Low682.40.8793
5-Band All Purpose L/M512.71.1702
5-Band All Purpose Med449.11.3360
5-Band All Purpose M/H409.61.4649
5-Band All Purpose High383.01.5666
Single Number Predominant Upwind479.41.2515
Single Number Predominant Reaching421.41.4238
Single Number Predominant Downwind447.81.3399
5-Band 50-50 Windward/Leeward Low858.00.6993
5-Band 50-50 Windward/Leeward L/M627.60.9560
5-Band 50-50 Windward/Leeward Med536.81.1177
5-Band 50-50 Windward/Leeward M/H485.51.2358
5-Band 50-50 Windward/Leeward High452.11.3271
5-Band 60-40 Windward/Leeward Low862.30.6958
5-Band 60-40 Windward/Leeward L/M634.80.9452
5-Band 60-40 Windward/Leeward Med547.71.0954
5-Band 60-40 Windward/Leeward M/H500.11.1999
5-Band 60-40 Windward/Leeward High471.01.2740
Triple Number 50-50 Windward/Leeward Low765.30.7840
Triple Number 50-50 Windward/Leeward Med545.61.0996
Triple Number 50-50 Windward/Leeward High476.61.2588
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward560.01.0714
Triple Number 60-40 Windward/Leeward Low770.30.7790
Triple Number 60-40 Windward/Leeward Med555.91.0792
Triple Number 60-40 Windward/Leeward High492.11.2192
Triple Number All-Purpose Low613.10.9786
Triple Number All-Purpose Med455.31.3179
Triple Number All-Purpose High402.41.4912
Triple Number Predominant Upwind Low625.80.9588
Triple Number Predominant Upwind Med473.91.2660
Triple Number Predominant Upwind High435.31.3785
Triple Number Predominant Reaching Low551.21.0886
Triple Number Predominant Reaching Med423.41.4172
Triple Number Predominant Reaching High360.81.6631
Triple Number Predominant Downwind Low610.80.9823
Triple Number Predominant Downwind Med440.71.3615
Triple Number Predominant Downwind High366.61.6366
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low565.2
Triple Number Coastal/Long Distance Medium440.8
Triple Number Coastal/Long Distance High391.7
Triple Number Windward/Leeward Low730.2
Triple Number Windward/Leeward Medium545.6
Triple Number Windward/Leeward High476.6
Predominantly Upwind480.4
Predominantly Downwind447.0
Predominantly Reaching427.9
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low1.0616
Triple Number Coastal/Long Distance Medium1.3611
Triple Number Coastal/Long Distance High1.5319
Triple Number Windward/Leeward Low0.8217
Triple Number Windward/Leeward Medium1.0998
Triple Number Windward/Leeward High1.2589
Coastal/Long Distance1.2425
Predominantly Upwind1.2488
Predominantly Downwind1.3421
For information
General Purpose Handicap (GPH)496.4
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)1.3547
Distanseseilas Trippeltall svak vind1.0616
Distanseseilas Trippeltall mellomvind1.3611
Distanseseilas Trippeltall sterk vind1.5319
Pølsebane Trippeltall svak vind0.8217
Pølsebane Trippeltall mellomvind1.0998
Pølsebane Trippeltall sterk vind1.2589
Motvind Singeltall1.2488
Medvind Singeltall1.3421
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Coastal/Long Distance482.91.2425
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind480.41.2488
Predominantly Downwind447.01.3421
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore430.81.3927
Cape Doctor Coastal360.61.6641
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low1.0616
Triple Number Coastal/Long Distance Medium1.3611
Triple Number Coastal/Long Distance High1.5319
Triple Number Windward/Leeward Low0.8217
Triple Number Windward/Leeward Medium1.0998
Triple Number Windward/Leeward High1.2589
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low1.0616
Triple Number Coastal/Long Distance Medium1.3611
Triple Number Coastal/Long Distance High1.5319
Triple Number Windward/Leeward Low0.8217
Triple Number Windward/Leeward Medium1.0998
Triple Number Windward/Leeward High1.2589
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Predominantly Upwind480.41.2488
Predominantly Downwind447.01.3421
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance482.91.2425
Triple Number Coastal/Long Distance Low565.21.0616
Triple Number Coastal/Long Distance Medium440.81.3611
Triple Number Coastal/Long Distance High391.71.5319
Triple Number Windward/Leeward Low730.20.8217
Triple Number Windward/Leeward Medium545.61.0998
Triple Number Windward/Leeward High476.61.2589
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1161.2806.5612.8514.2458.6427.7401.6356.8337.0
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP459.91.3046 Predom. Dn High348.01.7243 5B AP M/H398.21.5066 TriNum AP Low565.21.0616 Predom. Rc Low606.40.9895 5B AP High374.11.6039 TriNum AP Med440.91.3609 Predom. Rc L/M463.31.2951 5B SF Bay Low722.20.8308 TriNum AP High391.71.5319 Predom. Rc Med410.91.4600 5B SF Bay L/M597.01.0050 TriNum W/L Low765.30.7840 Predom. Rc M/H375.01.5998 5B SF Bay Med516.61.1613 TriNum W/L Med545.61.0998 Predom. Rc High350.11.7138 5B SF Bay M/H469.41.2782 TriNum W/L Hig476.61.2589 5B W/L Low858.00.6993 5B SF Bay High439.11.3663 Predom. Upwind500.21.1994 5B W/L L/M627.60.9560 ChiMac Up Low604.60.9924 Predom. Reaching437.71.3708 5B W/L Med536.81.1177 ChiMac Up Med546.11.0986 Predom. Downwind466.31.2867 5B W/L M/H485.51.2358 ChiMac Up High477.31.2571 Predom. Up Low687.90.8722 5B W/L High452.11.3271 ChiMac Off Low588.61.0194 Predom. Up L/M523.81.1454 W/L 60-40 Low862.30.6958 ChiMac Off Med519.71.1544 Predom. Up Med466.81.2853 W/L 60-40 L/M634.80.9452 ChiMac Off High436.71.3740 Predom. Up M/H435.51.3777 W/L 60-40 Med547.71.0954 ChiMac AP Low593.61.0108 Predom. Up High417.91.4359 W/L 60-40 M/H500.11.1999 ChiMac AP Med530.91.1301 Predom. Dn Low684.10.8771 W/L 60-40 High471.01.2740 ChiMac AP High455.91.3162 Predom. Dn L/M504.71.1889 5B AP Low627.50.9562 BayMac Cove Island684.20.8769 Predom. Dn Med432.71.3865 5B AP L/M495.61.2107 BayMac Shore678.60.8842 Predom. Dn M/H384.21.5616 5B AP Med435.01.3792 Harvest Moon386.51.5525      SA/DSPL Up27.74SA/DSPL Dn63.67
ORC Ref  04310004K9K Issued on 04/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
Caveman IVNED 9550
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassKNIERIM 50Measurement14/11/2011HINPlan reviewHull constructionCarbonCarbon rudderYesLight stanchionsNoTrim tabNo
Length overall15.365Maximum beam4.376Draft3.189Displacement13,273Wetted area50.36IMS L14.560LSM014.524Accomod. length14.222Sink (kg/mm) 36.94
VCGD-0.360VCGM-0.355 RM Rated (kg·m) 486.9Limit of positive stability(°) 135.3 Stability Index 143.3 BLR index 0.0000Default crew weight1,172 Declared crew weight 700
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 3 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.508PBWPIPA0.0041
EDL1.720ST10.065ST20.180
ST30.180ST40.112ST50.250
RIG
BackstayAdjustable (NMP)ForestayFixedInner forestayNot installedMast materialCarbonSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingYesBase of mastFixedRunning backstaysYes (NMP)CheckstaysNoSpreaders3Rotating mastNo
P21.260IG21.788ISP23.428MDT10.136MDL10.310MDT20.115MDL20.240TL1.450MW0.305GO0.340
E7.165J5.860BAS1.968FSD0.040SFJ0.426SPLWPLTPS7.680BD0.286MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS
FLOTATION AND STABILITY
Calculation methodPoles incliningFlotation Date14/11/2011
SFFP0.736FFM1.619FF1.637LCFcl8.585SG1.0000
SAFP15.355FAM1.260FA1.271LCFsh8.841HBI1.441
W1200.0W2200.0W3200.0W4200.0
PD1411.0PD2400.0PD3393.1PD4403.6
WD12.345PLM9000.00GSA1.0RSA1.0RM483.9
INVENTORY
Fixed Ballast Total0
TANKSIdDescriptionSp.WghtCapacityConditionLCGVCG1fuel steel main tankFuel21109.602fuel steel service tankFuel1051510.303water solid portside tank24707.704water solid starboard tank17407.10Total deductible1310.30
OTHER ITEMSIdKindDescriptionWeightLCGVCG1MiscellaneousHydraulic system at engine room2MiscellaneousGas bottles in locker1315.003MiscellaneousGenerator Fischer Panda 5000i10.704MiscellaneousRadar antenna at first spreader6.201Battery1*12V 50 Ah159.702Battery6*12V 105 Ah2405.201Engine (IC)VOLVO PENTA D2/551Deck Gearon cabin floor abaft mast125.86Total deductible125.86
ORC Ref  04310004K9K Issued on 04/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org
International Certificate2026
Caveman IVNED 9550
Watersportverbond
www.watersportverbond.nl
Wedstrijdsport@watersportverbond.nl
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentm10.251.492.574.425.8788.27
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.110.931.723.224.716.1521.53NoNo 68.5700.100.891.663.154.666.1821.70NoNo 68.30PO# 25479500.080.510.951.933.034.2816.35NoNo 33.25PO# 254802
ASYMMETRIC SPINNAKER
IdSLUSLESLSHWSFLRatioAreaMeas.DateComment024.8022.3523.5813.9413.40104%271.74A-2 0.9oz PO# 254804124.8022.3523.5813.9413.40104%271.74A-4 1.5oz PO#254806222.8021.0521.9311.0012.8086%207.56A-5 1.5oz PO# 255161202323.5021.9822.748.8411.6976%178.3207/12/2022
NON MANUAL POWER CONTROLS (NMP)
SheetsYesMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsYes
CRUISER/RACER REQUIREMENTS*
Accommodation length14.2 mTable area0.66 m²Headroom1.90 mMinimum number of berths6Personal gear stowage0.24 m³Fresh water capacity246 lMinimum number of seats in cockpit6Food stowage0.36 m³Fuel capacity134 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  04310004K9K Issued on 04/04/2026 Valid until 31/03/2027
VPP ver: 2026 1.00 | © ORC | www.orc.org