Club Certificate2026
MormorZ 4
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
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 Angles46.0°43.1°41.8°40.2°37.6°37.1°37.2°38.5°40.4°
Beat VMG1.902.663.203.603.843.903.923.903.82
52°2.984.044.755.145.335.405.445.495.49
60°3.194.254.915.255.455.565.625.695.72
75°3.334.385.015.345.605.805.936.076.17
90°3.254.324.995.385.696.016.246.506.67
110°2.954.094.885.325.635.956.307.108.09
120°2.763.894.715.215.535.856.186.978.64
135°2.383.464.324.955.345.645.956.617.78
150°2.012.993.804.484.995.335.606.176.82
Run VMG1.742.593.293.994.605.075.385.936.54
Gybe Angles144.4°146.2°147.2°177.5°178.4°179.2°179.5°179.5°179.3°
APH ToD:749.3CDL: 4.959APH ToT: 0.8007CertNo:SUI4
BOAT
ClassOne Off OldtimerDesignerW.BoeschBuilderBoeschAge date01/1942Series date01/1942Offset fileCBMormor.offData fileSUI4
HULL
Length Overall6.900 mMaximum Beam1.642 mDraft1.000 mDisplacement714 kgDLR7.7573IMS DivisionCruiser/RacerDynamic Allowance0.250%Age Allowance0.650%RS Assessment0.000%
PROPELLER
InstallationStrutTypeFolding 2 bladesDiameter0.250m
CREW
Maximum weight221 kgMinimum weight130 kg ✱ when appliedCrew Arm Extension
SAIL AREAS (m²)
MeasuredRatedMainsail12.8113.26Headsail Luffed5.175.17Headsail Flying8.178.17SymmetricAsymmetric
STORM SAIL AREAS Maximum (m²)
Trysail4.07Storm Jib1.63Heavy Weather Jib4.39
SAIL LIMITS
Headsails5
✱ Woven polyester sails
Spinnakers0
✱ No spinnaker pole aboard
STABILITY
Righting Moment 6.3 kg·m Stability Index 141.0
COMMENTS
Scaled from CBOdile.off
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  03080004P9H Issued on 10/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MormorZ 4
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
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 VMG1893.51351.41123.41001.1938.4923.0918.3923.0943.1
52°1209.0890.1757.2700.0676.0666.6662.0655.8655.5
60°1129.8847.2733.3685.4660.0647.2641.1632.3628.9
75°1082.4822.5718.9674.0642.8620.8607.2592.7583.8
90°1108.6834.1722.1669.0632.2598.7576.6553.8539.6
110°1219.1881.3738.3676.9639.4604.6571.3507.1445.2
120°1302.5925.9764.0690.5650.7615.8582.5516.8416.9
135°1512.81039.3833.9727.0674.1638.5605.4544.3462.9
150°1792.21204.1946.8803.8720.8675.2643.0583.6527.9
Run VMG2069.41390.31093.3902.2783.1710.8668.9606.8550.9
Selected Courses
Windward / Leeward1981.41370.81108.3951.6860.7816.9793.6764.9747.0
All purpose1491.61057.5873.1776.5721.8691.3670.7639.5611.3
Single Number Scoring Options
Course Time On
Distance 		Time On
Time
Windward / Leeward908.90.6601
All purpose749.30.8007
Custom scoring options for Australia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Custom scoring options for Austria
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Brazil
Scoring Option Time On
Time
Upwind "bolina"0.5851
Downwind "popa"0.6823
70% up, 30% down "Ilhabela"0.6112
30% up, 70% down "Ilhabela-inverso"0.6499
Custom scoring options for Bulgaria
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Predominantly Upwind801.70.7484
Predominantly Downwind768.00.7812
Custom scoring options for Canada
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP777.40.7718 Predom. Rc High603.30.9945 5B SF Bay L/M1007.20.5957 TriNum AP Low965.30.6216 Predom. Dn Low1200.30.4999 5B SF Bay Med859.00.6985 TriNum AP Med745.10.8052 Predom. Dn L/M875.40.6854 5B SF Bay M/H784.90.7645 TriNum AP High664.20.9034 Predom. Dn Med738.40.8126 5B SF Bay High754.50.7953 TriNum W/L Low1298.10.4622 Predom. Dn M/H656.00.9146 5B AP Low1078.10.5566 TriNum W/L Med900.80.6661 Predom. Dn High608.00.9869 5B AP L/M843.90.7110 TriNum W/L Hig788.60.7608 ChiMac Up Low1008.40.5950 5B AP Med734.20.8172 Predom. Upwind834.50.7190 ChiMac Up Med910.70.6588 5B AP M/H673.20.8913 Predom. Reaching747.30.8029 ChiMac Up High799.10.7509 5B AP High640.00.9375 Predom. Downwind804.00.7463 ChiMac Off Low1024.60.5856 5B W/L Low1457.90.4116 Predom. Up Low1147.80.5227 ChiMac Off Med899.20.6672 5B W/L L/M1055.20.5686 Predom. Up L/M877.10.6841 ChiMac Off High751.60.7983 5B W/L Med883.70.6790 Predom. Up Med775.00.7742 ChiMac AP Low1010.50.5938 5B W/L M/H798.30.7516 Predom. Up M/H728.20.8240 ChiMac AP Med900.50.6663 5B W/L High766.70.7825 Predom. Up High710.90.8440 ChiMac AP High772.20.7770 W/L 60-40 Low1452.30.4131 Predom. Rc Low1044.00.5747 BayMac Cove Island1163.70.5156 W/L 60-40 L/M1061.50.5653 Predom. Rc L/M796.20.7536 BayMac Shore1152.30.5207 W/L 60-40 Med899.00.6674 Predom. Rc Med697.60.8601 Harvest Moon661.40.9071 W/L 60-40 M/H822.90.7291 Predom. Rc M/H637.70.9409 5B SF Bay Low1225.20.4897 W/L 60-40 High798.50.7514      SA/DSPL Up22.53SA/DSPL Dn26.29
Custom scoring options for Cyprus
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Denmark
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Spain
Scoring Option Time On
Distance
Coastal/Long Distance814.3
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Estonia
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Custom scoring options for Finland
Scoring Option Time On
Distance 		Time On
Time
FinRating814.30.7369
FinRating, kevyt tuuli1438.40.6952
FinRating, kova tuuli641.50.7794
Custom scoring options for France
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Custom scoring options for Germany
Scoring Option Time On
Time
Coastal/Long Distance0.7369
Triple Number Coastal/Long Distance Low0.6216
Triple Number Coastal/Long Distance Medium0.8053
Triple Number Coastal/Long Distance High0.9034
Triple Number Windward/Leeward Low0.4840
Triple Number Windward/Leeward Medium0.6661
Triple Number Windward/Leeward High0.7608
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
For information
General Purpose Handicap (GPH)841.5
Custom scoring options for Greece
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Saronikos S All Purpose844.20.7107
Saronikos S Upwind936.30.6408
Saronikos S Downwind742.60.8080
Saronikos N All Purpose895.30.6702
Saronikos N Upwind979.20.6128
Saronikos N Downwind821.60.7303
Saronikos SW All Purpose855.40.7014
Saronikos SW Upwind961.50.6240
Saronikos SW Downwind760.20.7892
Saronikos NE All Purpose932.00.6437
Saronikos NE Upwind919.30.6526
Saronikos NE Downwind926.20.6478
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Hungary
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Custom scoring options for Ireland
Scoring OptionTODTOT
Single Number All-Purpose777.40.7718
5-Band All Purpose Low1166.70.5143
5-Band All Purpose L/M872.90.6874
5-Band All Purpose Med754.20.7955
5-Band All Purpose M/H689.40.8703
5-Band All Purpose High657.30.9128
Single Number Predominant Upwind799.40.7505
Single Number Predominant Reaching719.20.8343
Single Number Predominant Downwind769.40.7798
5-Band 50-50 Windward/Leeward Low1457.90.4116
5-Band 50-50 Windward/Leeward L/M1055.20.5686
5-Band 50-50 Windward/Leeward Med883.70.6790
5-Band 50-50 Windward/Leeward M/H798.30.7516
5-Band 50-50 Windward/Leeward High766.70.7825
5-Band 60-40 Windward/Leeward Low1452.30.4131
5-Band 60-40 Windward/Leeward L/M1061.50.5653
5-Band 60-40 Windward/Leeward Med899.00.6674
5-Band 60-40 Windward/Leeward M/H822.90.7291
5-Band 60-40 Windward/Leeward High798.50.7514
Triple Number 50-50 Windward/Leeward Low1298.10.4622
Triple Number 50-50 Windward/Leeward Med900.80.6660
Triple Number 50-50 Windward/Leeward High788.60.7608
Scoring OptionTODTOT
Single Number 60-40 Windward/Leeward924.00.6494
Triple Number 60-40 Windward/Leeward Low1296.60.4627
Triple Number 60-40 Windward/Leeward Med914.90.6558
Triple Number 60-40 Windward/Leeward High815.20.7360
Triple Number All-Purpose Low1048.40.5723
Triple Number All-Purpose Med766.00.7833
Triple Number All-Purpose High680.50.8817
Triple Number Predominant Upwind Low1049.00.5719
Triple Number Predominant Upwind Med788.10.7613
Triple Number Predominant Upwind High729.30.8227
Triple Number Predominant Reaching Low948.60.6325
Triple Number Predominant Reaching Med718.40.8352
Triple Number Predominant Reaching High617.70.9713
Triple Number Predominant Downwind Low1068.00.5618
Triple Number Predominant Downwind Med753.70.7960
Triple Number Predominant Downwind High632.40.9488
Custom scoring options for Israel
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Japan
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Korea
Scoring Option Time On
Distance
Triple Number Coastal/Long Distance Low965.3
Triple Number Coastal/Long Distance Medium745.1
Triple Number Coastal/Long Distance High664.2
Triple Number Windward/Leeward Low1239.7
Triple Number Windward/Leeward Medium900.8
Triple Number Windward/Leeward High788.6
Predominantly Upwind801.7
Predominantly Downwind768.0
Predominantly Reaching733.1
Custom scoring options for Lithuania
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Netherlands
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6216
Triple Number Coastal/Long Distance Medium0.8053
Triple Number Coastal/Long Distance High0.9034
Triple Number Windward/Leeward Low0.4840
Triple Number Windward/Leeward Medium0.6661
Triple Number Windward/Leeward High0.7608
Coastal/Long Distance0.7369
Predominantly Upwind0.7484
Predominantly Downwind0.7812
For information
General Purpose Handicap (GPH)841.5
Custom scoring options for Norway
Scoring Option Time On
Time
Distanseseilas Singeltall  (APH)0.8007
Distanseseilas Trippeltall svak vind0.6216
Distanseseilas Trippeltall mellomvind0.8053
Distanseseilas Trippeltall sterk vind0.9034
Pølsebane Trippeltall svak vind0.4840
Pølsebane Trippeltall mellomvind0.6661
Pølsebane Trippeltall sterk vind0.7608
Motvind Singeltall0.7484
Medvind Singeltall0.7812
Custom scoring options for Portugal
Scoring Option Time On
Distance 		Time On
Time
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Coastal/Long Distance814.30.7369
Custom scoring options for Russia
Scoring Option Time On
Distance 		Time On
Time
Predominantly Upwind801.70.7484
Predominantly Downwind768.00.7812
Custom scoring options for South Africa
Scoring Option Time On
Distance 		Time On
Time
Cape Doctor Inshore752.30.7975
Cape Doctor Coastal619.80.9681
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Custom scoring options for Slovenia
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6216
Triple Number Coastal/Long Distance Medium0.8053
Triple Number Coastal/Long Distance High0.9034
Triple Number Windward/Leeward Low0.4840
Triple Number Windward/Leeward Medium0.6661
Triple Number Windward/Leeward High0.7608
Custom scoring options for Switzerland
Scoring Option Time On
Time
Triple Number Coastal/Long Distance Low0.6216
Triple Number Coastal/Long Distance Medium0.8053
Triple Number Coastal/Long Distance High0.9034
Triple Number Windward/Leeward Low0.4840
Triple Number Windward/Leeward Medium0.6661
Triple Number Windward/Leeward High0.7608
Custom scoring options for Sweden
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Predominantly Upwind801.70.7484
Predominantly Downwind768.00.7812
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for Ukraine
Scoring Option Time On
Distance 		Time On
Time
Coastal/Long Distance814.30.7369
Triple Number Coastal/Long Distance Low965.30.6216
Triple Number Coastal/Long Distance Medium745.10.8053
Triple Number Coastal/Long Distance High664.20.9034
Triple Number Windward/Leeward Low1239.70.4840
Triple Number Windward/Leeward Medium900.80.6661
Triple Number Windward/Leeward High788.60.7608
Performance Curve4 kt 6 kt 8 kt 10 kt 12 kt 14 kt 16 kt 20 kt 24 kt
Coastal/Long Distance1990.21372.81045.0866.6766.9716.8678.2609.4571.5
Custom scoring options for United States of America
Scoring OptionTODTOT Scoring OptionTODTOT Scoring OptionTODTOT Single Number AP777.40.7718 Predom. Dn High608.00.9869 5B AP M/H673.20.8913 TriNum AP Low965.30.6216 Predom. Rc Low1044.00.5747 5B AP High640.00.9375 TriNum AP Med745.10.8052 Predom. Rc L/M796.20.7536 5B SF Bay Low1225.20.4897 TriNum AP High664.20.9034 Predom. Rc Med697.60.8601 5B SF Bay L/M1007.20.5957 TriNum W/L Low1298.10.4622 Predom. Rc M/H637.70.9409 5B SF Bay Med859.00.6985 TriNum W/L Med900.80.6661 Predom. Rc High603.30.9945 5B SF Bay M/H784.90.7645 TriNum W/L Hig788.60.7608 5B W/L Low1457.90.4116 5B SF Bay High754.50.7953 Predom. Upwind834.50.7190 5B W/L L/M1055.20.5686 ChiMac Up Low1008.40.5950 Predom. Reaching747.30.8029 5B W/L Med883.70.6790 ChiMac Up Med910.70.6588 Predom. Downwind804.00.7463 5B W/L M/H798.30.7516 ChiMac Up High799.10.7509 Predom. Up Low1147.80.5227 5B W/L High766.70.7825 ChiMac Off Low1024.60.5856 Predom. Up L/M877.10.6841 W/L 60-40 Low1452.30.4131 ChiMac Off Med899.20.6672 Predom. Up Med775.00.7742 W/L 60-40 L/M1061.50.5653 ChiMac Off High751.60.7983 Predom. Up M/H728.20.8240 W/L 60-40 Med899.00.6674 ChiMac AP Low1010.50.5938 Predom. Up High710.90.8440 W/L 60-40 M/H822.90.7291 ChiMac AP Med900.50.6663 Predom. Dn Low1200.30.4999 W/L 60-40 High798.50.7514 ChiMac AP High772.20.7770 Predom. Dn L/M875.40.6854 5B AP Low1078.10.5566 BayMac Cove Island1163.70.5156 Predom. Dn Med738.40.8126 5B AP L/M843.90.7110 BayMac Shore1152.30.5207 Predom. Dn M/H656.00.9146 5B AP Med734.20.8172 Harvest Moon661.40.9071      SA/DSPL Up22.53SA/DSPL Dn26.29
ORC Ref  03080004P9H Issued on 10/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MormorZ 4
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
Data in meters/kilograms (Metric)
HULL AND APPENDAGES (Lightship Trim)
ClassOne Off OldtimerMeasurement25/03/2026HINPlan reviewHull constructionSolidCarbon rudderNoLight stanchionsNoTrim tabNo
Length overall6.900Maximum beam1.642Draft1.000Displacement714Wetted area7.90IMS L4.853LSM04.515Accomod. length5.337Sink (kg/mm) 3.93
VCGD-0.359VCGM-0.325 RM Rated (kg·m) 6.3Limit of positive stability(°) 142.8 Stability Index 141.0 BLR index 0.0000Default crew weight221 Declared crew weight
Centerboard weightList angleCanting keel angle
PROPELLER
Propeller TypeFolding 2 blades
InstallationStrutTwin screwNoHydro generatorNo
PRD0.250PBWPIPA0.0002
EDLST1ST2
ST3ST4ST5
RIG
BackstayFixedForestayFixedInner forestayNot installedMast materialWoodSingle headsail furlerNoMainsail furlerNoArticulated bowspritNoNon-circular riggingNoFiber riggingNoBase of mastFixedRunning backstaysNoCheckstaysNoSpreaders1Rotating mastNo
P7.000IG5.700ISP5.780MDT10.090MDL10.110MDT2MDL2TLMWGO
E3.320J1.620BAS0.950FSDNo FoilSFJ1.040SPLWPLTPSBD0.080MWTMCG
PYMDT1YMDL1YMDT2YMDL2YTLYBASYEYBDYIYEB
Flying Headsail Foretriangles IdISPTPS15.7801.630
FLOTATION AND STABILITY
Calculation methodRM estimatedFlotation Date03/04/2026
SFFP0.468FFM0.761FF0.761LCFcl3.808SG
SAFP6.890FAM0.682FA0.682LCFsh3.895HBI0.724
INVENTORY
Fixed Ballast Total0
Total deductible
Total deductible
ORC Ref  03080004P9H Issued on 10/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org
Club Certificate2026
MormorZ 4
Swiss Rating Office ABC
Bruno Frank
Haldengässli 76
8706 Feldmeilen
MAINSAIL
IdMHBMUWMTWMHWMQWAreaMeas.DateCommentM10.130.621.091.892.6112.8128/04/2026
HEADSAIL
IdHHBHUWHTWHHWHQWHLPHLUBtnFlyingFTAreaMeas.DateCommentG10.050.380.721.472.283.125.38NoYes18.1728/04/2026G20.050.220.430.911.452.085.33NoNo 5.1728/04/2026
NON MANUAL POWER CONTROLS (NMP)
SheetsNoMainsail cunninghamNoJib trackNoSpinnaker retrieverNoBoomvangNoHeadsail cunninghamNoTack lineNoOuthaulNoMain travellerNoHalyardsNo
CRUISER/RACER REQUIREMENTS*
Accommodation length5.3 mTable area0.22 m²Headroom1.40 mMinimum number of berths2Personal gear stowage0.08 m³Fresh water capacity-7 lMinimum number of seats in cockpit2Food stowage0.12 m³Fuel capacity20 lCabin soleStovesSinksGalley gear stowageToiletWash basinNavigation areaHanging locker
*This list is a summary of the requirements. See IMS Appendix 1 for details.
ORC Ref  03080004P9H Issued on 10/05/2026 Valid until 31/12/2026
VPP ver: 2026 1.00 | © ORC | www.orc.org